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"Using Cloud Resources to Dramatically Improve Internet Routing"
by Phil Pishioneri 20 Oct '19

20 Oct '19

[Came up in some digest summary I receive] Using Cloud Resources to Dramatically Improve Internet Routing UMass Amherst researchers to use cloud-based ‘logically centralized control’ https://www.umass.edu/newsoffice/article/using-cloud-resources-dramatically… -Phil

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Request comment: list of IPs to block outbound
by Stephen Satchell 20 Oct '19

20 Oct '19

After reviewing the comments from people on NANOG and some other locations, I have updated my list of routes to blackhole. The information at the end of this contribution is taken from the RHEL/CentOS NetworkManager dispatcher.d source file, which I use to install and remove the blackhole routes when the WAN interface is started and stopped. First, let me expand on what I'm trying to do. The NetFilter NFTABLES includes in its tests the ability to determine if the source address of a packet is routeable, and further classifies the result as LOCAL, BROADCAST, UNICAST, BLACKHOLE, and PROHIBITED, among others, as well as the interface that would be selected. By using the routing table in this way, maintaining the configuration of the firewall is simplified, particularly when interfaces are brought up or taken down. There is no coding change to the firewall. The fact that I can't send packets upstream with bad destinations is not the goal here. The goal is to detect packets inbound with bad source addresses that would affect my network, as well as ensuring that outbound packets have good source addresses. Herewith is the revised information for your constructive criticism: > # Default IPv6 routing table (sorted by ipv6 address): > # ==================================================== > # $ route -n6 > # Kernel IPv6 routing table > # Destination Next Hop Flag Met Ref Use If > # ------------------------------ -------- ---- --- --- --- ------- > # ::/0 :: !n -1 1 0 lo > # ::/0 :: !n -1 1 0 lo > # ::1/128 :: U 256 1 0 lo > # ::1/128 :: Un 0 4 0 lo > # fe80::/64 :: U 256 1 0 enp37s0 > # fe80::7285:c2ff:fec0:bdff/128 :: Un 0 2 0 enp37s0 > # ff00::/8 :: U 256 6 0 enp37s0 > > # [-] -- not included in blacklist, part of default routes > # [#] -- not included in blacklist, policy > > # investigate https://www.team-cymru.com/bogon-reference-http.html > # need to better understand Terendo tunneling > # rp_filter does the same at nftables source routing check > > > nets=" > 0.0.0.0/8 Software Current network (only valid as \ > source address). > 10.0.0.0/8 Private network Used for local communications \ > within a private network. > -100.64.0.0/10 Private network Shared address space for \ > communications between a \ > service provider and its \ > subscribers when using a \ > carrier-grade NAT. > 127.0.0.0/8 Host Used for loopback addresses \ > to the local host. > 169.254.0.0/16 Subnet Used for link-local addresses \ > between two hosts on a single \ > link when no IP address is \ > otherwise specified, such as \ > would have normally been \ > retrieved from a DHCP server. > 172.16.0.0/12 Private network Used for local communications \ > within a private network. > 192.0.0.0/24 Private network IETF Protocol Assignments. > 192.0.2.0/24 Documentation Assigned as TEST-NET-1, \ > documentation and examples. > 192.88.99.0/24 Internet Reserved. Formerly used for \ > IPv6 to IPv4 relay (2002::/16). > 192.168.0.0/16 Private network Used for local communications \ > within a private network. > 198.18.0.0/15 Private network Used for benchmark testing of \ > inter-network communications \ > between two separate subnets. > 198.51.100.0/24 Documentation Assigned as TEST-NET-2, \ > documentation and examples. > 203.0.113.0/24 Documentation Assigned as TEST-NET-3, \ > documentation and examples. > 224.0.0.0/4 Internet In use for IP multicast. \ > (Former Class D network). > 240.0.0.0/4 Internet Reserved for future use. \ > (Former Class E network). > 255.255.255.255/32 Subnet Reserved for the 'limited \ > broadcast' destination address. > -::/0 Routing Default route. > ::/128 Software Unspecified address. > -::1/128 Host Loopback address to the local \ > host. > ::ffff:0:0/96 Software IPv4 mapped addresses. > ::ffff:0:0:0/96 Software IPv4 translated addresses. > 64:ff9b::/96 Global Internet IPv4/IPv6 translation. > 100::/64 Routing Discard prefix. > -2001::/32 Global Internet Teredo tunneling. > 2001:20::/28 Software ORCHIDv2. > 2001:db8::/32 Documentation Addresses used in documentation \ > and example source code. > 2002::/16 Global Internet The 6to4 addressing scheme \ > (now deprecated). > fc00::/7 Private network Unique local address. > -fe80::/10 Link Link-local address. > -ff00::/8 Global Internet Multicast address. > "

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VDSL
by Rod Beck 19 Oct '19

19 Oct '19

Hi, I discovered that the Budapest cable company was using VDLS to provide services up to 500 megs into the buildings where my flats are located. VDSL is a pretty old standard. I recollect people talking about it back in 1998. Is it being heavily deployed in Last Mile networks state side? Roderick Beck VP of Business Development United Cable Company www.unitedcablecompany.com<http://www.unitedcablecompany.com> New York City & Budapest rod.beck(a)unitedcablecompany.com 36-70-605-5144 [1467221477350_image005.png]

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Weekly Routing Table Report
by cscora＠apnic.net 18 Oct '19

18 Oct '19

This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. Routing Table Report 04:00 +10GMT Sat 19 Oct, 2019 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 779749 Prefixes after maximum aggregation (per Origin AS): 297110 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 374872 Total ASes present in the Internet Routing Table: 65913 Prefixes per ASN: 11.83 Origin-only ASes present in the Internet Routing Table: 56659 Origin ASes announcing only one prefix: 24237 Transit ASes present in the Internet Routing Table: 9254 Transit-only ASes present in the Internet Routing Table: 277 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 42 Max AS path prepend of ASN ( 27978) 31 Prefixes from unregistered ASNs in the Routing Table: 30 Number of instances of unregistered ASNs: 30 Number of 32-bit ASNs allocated by the RIRs: 29125 Number of 32-bit ASNs visible in the Routing Table: 23851 Prefixes from 32-bit ASNs in the Routing Table: 108145 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 323 Number of addresses announced to Internet: 2841942656 Equivalent to 169 /8s, 100 /16s and 154 /24s Percentage of available address space announced: 76.8 Percentage of allocated address space announced: 76.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.4 Total number of prefixes smaller than registry allocations: 260164 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 209506 Total APNIC prefixes after maximum aggregation: 60778 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 203864 Unique aggregates announced from the APNIC address blocks: 84786 APNIC Region origin ASes present in the Internet Routing Table: 10095 APNIC Prefixes per ASN: 20.19 APNIC Region origin ASes announcing only one prefix: 2808 APNIC Region transit ASes present in the Internet Routing Table: 1506 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5126 Number of APNIC addresses announced to Internet: 771040896 Equivalent to 45 /8s, 245 /16s and 38 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-141625 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 229089 Total ARIN prefixes after maximum aggregation: 106880 ARIN Deaggregation factor: 2.14 Prefixes being announced from the ARIN address blocks: 227231 Unique aggregates announced from the ARIN address blocks: 108281 ARIN Region origin ASes present in the Internet Routing Table: 18626 ARIN Prefixes per ASN: 12.20 ARIN Region origin ASes announcing only one prefix: 6906 ARIN Region transit ASes present in the Internet Routing Table: 1920 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 42 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2962 Number of ARIN addresses announced to Internet: 1068162432 Equivalent to 63 /8s, 170 /16s and 221 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-399260 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 218327 Total RIPE prefixes after maximum aggregation: 101976 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 214677 Unique aggregates announced from the RIPE address blocks: 126944 RIPE Region origin ASes present in the Internet Routing Table: 26559 RIPE Prefixes per ASN: 8.08 RIPE Region origin ASes announcing only one prefix: 11688 RIPE Region transit ASes present in the Internet Routing Table: 3756 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 8595 Number of RIPE addresses announced to Internet: 722487680 Equivalent to 43 /8s, 16 /16s and 73 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-210331 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 101149 Total LACNIC prefixes after maximum aggregation: 23095 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 102279 Unique aggregates announced from the LACNIC address blocks: 44960 LACNIC Region origin ASes present in the Internet Routing Table: 9000 LACNIC Prefixes per ASN: 11.36 LACNIC Region origin ASes announcing only one prefix: 2363 LACNIC Region transit ASes present in the Internet Routing Table: 1688 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6548 Number of LACNIC addresses announced to Internet: 173984256 Equivalent to 10 /8s, 94 /16s and 202 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-270748 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 21647 Total AfriNIC prefixes after maximum aggregation: 4357 AfriNIC Deaggregation factor: 4.97 Prefixes being announced from the AfriNIC address blocks: 31375 Unique aggregates announced from the AfriNIC address blocks: 9629 AfriNIC Region origin ASes present in the Internet Routing Table: 1339 AfriNIC Prefixes per ASN: 23.43 AfriNIC Region origin ASes announcing only one prefix: 472 AfriNIC Region transit ASes present in the Internet Routing Table: 259 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 23 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 620 Number of AfriNIC addresses announced to Internet: 105941504 Equivalent to 6 /8s, 80 /16s and 138 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7545 5039 626 598 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4677 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3233 1331 26 VIETEL-AS-AP Viettel Group, VN 45899 3074 1767 112 VNPT-AS-VN VNPT Corp, VN 9829 2773 1495 530 BSNL-NIB National Internet Backbone, IN 7713 2625 801 479 TELKOMNET-AS-AP PT Telekomunikasi Indon 9808 2611 9043 63 CMNET-GD Guangdong Mobile Communication 4766 2556 11123 766 KIXS-AS-KR Korea Telecom, KR 9498 2192 432 207 BBIL-AP BHARTI Airtel Ltd., IN 4755 2146 442 197 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7155 4056 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 3753 247 694 CABLEONE - CABLE ONE, INC., US 22773 3481 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3422 1324 93 SHAW - Shaw Communications Inc., CA 16509 3213 7157 1548 AMAZON-02 - Amazon.com, Inc., US 16625 2842 1498 2035 AKAMAI-AS - Akamai Technologies, Inc., 30036 2228 353 135 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 20115 2133 2769 517 CHARTER-20115 - Charter Communications, 18566 2076 405 104 MEGAPATH5-US - MegaPath Corporation, US 5650 2061 3073 1454 FRONTIER-FRTR - Frontier Communications Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 5592 1617 135 UNI2-AS, ES 39891 4034 219 19 ALJAWWALSTC-AS, SA 8551 2953 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2770 484 1943 AKAMAI-ASN1, US 31334 2620 484 13 KABELDEUTSCHLAND-AS, DE 12389 2403 2232 691 ROSTELECOM-AS, RU 9121 2232 1692 18 TTNET, TR 34984 2159 350 536 TELLCOM-AS, TR 9009 1861 201 1019 M247, GB 13188 1604 100 47 TRIOLAN, UA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 6285 3353 590 Uninet S.A. de C.V., MX 10620 3362 534 453 Telmex Colombia S.A., CO 11830 2695 370 54 Instituto Costarricense de Electricidad 6503 1760 387 400 Axtel, S.A.B. de C.V., MX 7303 1476 1024 276 Telecom Argentina S.A., AR 28573 1182 2232 194 CLARO S.A., BR 6147 1090 380 37 Telefonica del Peru S.A.A., PE 13999 1090 491 252 Mega Cable, S.A. de C.V., MX 3816 1064 548 127 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 932 110 59 Alestra, S. de R.L. de C.V., MX Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1168 393 23 LINKdotNET-AS, EG 36992 1020 1535 73 ETISALAT-MISR, EG 24835 971 618 25 RAYA-AS, EG 36903 868 438 95 MT-MPLS, MA 8452 674 1857 19 TE-AS TE-AS, EG 6713 626 1863 34 IAM-AS, MA 29571 527 68 11 ORANGE-COTE-IVOIRE, CI 15399 407 45 10 WANANCHI-, KE 37342 402 32 1 MOVITEL, MZ 23889 366 231 15 MauritiusTelecom, MU Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 6285 3353 590 Uninet S.A. de C.V., MX 12479 5592 1617 135 UNI2-AS, ES 7545 5039 626 598 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4677 4192 74 ERX-CERNET-BKB China Education and Rese 7155 4056 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 219 19 ALJAWWALSTC-AS, SA 11492 3753 247 694 CABLEONE - CABLE ONE, INC., US 22773 3481 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3422 1324 93 SHAW - Shaw Communications Inc., CA 10620 3362 534 453 Telmex Colombia S.A., CO Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 12479 5592 5457 UNI2-AS, ES 4538 4677 4603 ERX-CERNET-BKB China Education and Research Net 7545 5039 4441 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4056 4029 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 4015 ALJAWWALSTC-AS, SA 6327 3422 3329 SHAW - Shaw Communications Inc., CA 22773 3481 3325 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 3233 3207 VIETEL-AS-AP Viettel Group, VN 11492 3753 3059 CABLEONE - CABLE ONE, INC., US 45899 3074 2962 VNPT-AS-VN VNPT Corp, VN Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 64501 DOCUMENT 45.174.25.0/24 267817 UNKNOWN 260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR 266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN 65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR 65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR 65541 DOCUMENT 103.141.175.0/24 58689 ICCNET-DHK-BD ICC Communicatio 65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN 64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US 64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.136.224.0/24 15206 6X7 - 6x7 Networks LLC, ZZ 27.100.7.0/24 56096 UNKNOWN 27.126.156.0/22 55827 UNKNOWN 27.126.156.0/23 55827 UNKNOWN 27.126.158.0/23 55827 UNKNOWN 41.67.192.0/18 15964 CAMNET-AS, CM 41.67.192.0/24 15964 CAMNET-AS, CM 41.67.200.0/24 15964 CAMNET-AS, CM 41.67.201.0/24 15964 CAMNET-AS, CM 41.67.202.0/24 15964 CAMNET-AS, CM Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:10 /9:11 /10:38 /11:100 /12:291 /13:573 /14:1148 /15:1924 /16:13307 /17:8074 /18:13957 /19:25717 /20:40434 /21:47468 /22:97352 /23:78780 /24:449016 /25:1549 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 4550 5592 UNI2-AS, ES 6327 3209 3422 SHAW - Shaw Communications Inc., CA 7155 3148 4056 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 2946 4034 ALJAWWALSTC-AS, SA 11492 2920 3753 CABLEONE - CABLE ONE, INC., US 22773 2706 3481 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 31334 2476 2620 KABELDEUTSCHLAND-AS, DE 8551 2412 2953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11830 2042 2695 Instituto Costarricense de Electricidad y Telec 8151 2001 6285 Uninet S.A. de C.V., MX Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1544 2:1122 3:6 4:21 5:3105 6:49 7:1 8:1363 9:1 12:1797 13:426 14:2143 15:50 16:7 17:270 18:78 20:56 23:2967 24:2600 25:4 27:2481 31:2761 32:105 35:36 36:921 37:3145 38:1816 39:305 40:126 41:3401 42:642 43:2098 44:179 45:11613 46:3355 47:270 49:1426 50:1118 51:347 52:1065 54:263 55:692 56:6 57:48 58:2029 59:1116 60:624 61:2225 62:2111 63:1881 64:5017 65:2257 66:4852 67:2734 68:1224 69:3614 70:1391 71:671 72:2708 74:2679 75:1290 76:597 77:2569 78:2016 79:2169 80:1822 81:1523 82:1194 83:941 84:1195 85:2415 86:563 87:1595 88:1143 89:2590 90:239 91:6649 92:1433 93:2473 94:2615 95:3715 96:959 97:339 98:969 99:833 100:82 101:1093 102:698 103:22386 104:3646 105:331 106:831 107:1818 108:683 109:3609 110:1797 111:2053 112:1551 113:1379 114:1443 115:1813 116:1808 117:1958 118:2172 119:1663 120:1085 121:1055 122:2311 123:1848 124:1550 125:2010 128:1388 129:860 130:552 131:1801 132:756 133:241 134:1105 135:258 136:614 137:824 138:2115 139:965 140:665 141:891 142:793 143:1100 144:895 145:285 146:1435 147:926 148:1870 149:1029 150:828 151:1286 152:1403 153:365 154:4424 155:889 156:2769 157:1059 158:705 159:1945 160:1635 161:1025 162:3005 163:854 164:1304 165:1158 166:523 167:1444 168:3585 169:484 170:4239 171:707 172:1760 173:2299 174:1035 175:996 176:2526 177:4105 178:2777 179:1433 180:2196 181:2362 182:2813 183:1119 184:2289 185:15668 186:3797 187:2585 188:3417 189:2084 190:8321 191:1467 192:10101 193:6823 194:5556 195:4190 196:3177 197:1827 198:6057 199:5960 200:7145 201:5152 202:10429 203:10210 204:4587 205:3084 206:3237 207:3280 208:3976 209:4320 210:3947 211:2033 212:3303 213:2947 214:1154 215:54 216:5872 217:2262 218:884 219:604 220:1925 221:975 222:1015 223:1396 End of report

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NimbusDDOS
by JASON BOTHE 18 Oct '19

18 Oct '19

Hi folks Does anyone have any experience with NimbusDDOS mitigation testing? If so, what are your thoughts? Thanks! J~

1 0

Friendly contact at Comcast about possible RF leaks
by Brandon Martin 18 Oct '19

18 Oct '19

Anyone know a friendly contact at Comcast regarding possible RF leaks on their HFC plant? I'm not a Comcast customer, so I can't get in via front line support (not that it would probably do me much good, anyway), and I'm not looking to lodge a formal complaint or anything. I just want to give a heads-up about some issues I've noticed locally that haven't been addressed for a while and hopefully let things get addressed. I'm in Central Indiana, if anyone wants to try to route me directly to the right people. A general contact is fine, too. -- Brandon Martin

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Re: Viability of GNS3 network simulation for testing features/configurations.
by rylandkremeier 18 Oct '19

18 Oct '19

We have 9 ASR's so I don't think it would be too hard to host them in the GNS3 vm insurance we're using. The main problem I've run into is our IOS isn't supported, which is where Cisco IOSv comes in, hoping it could be configured in a way to act very closely like our deployed hardware. I'm not so much worried about hardware faults, more so network configurations and testing of new methods. In a perfect world I would be able to copy the running configs from deployed hardware into GNS3. At least that's how closely I would like GNS3 running. Not a ton of info out there on IOSv, so I'm curious as to how it's configured. If it's the "universal" IOS that I would imagine it should be, then it could work. Thanks for the links, those are both things I didn't run across during initial research.-- Ryland Kremeier null

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Viability of GNS3 network simulation for testing features/configurations.
by Ryland Kremeier 18 Oct '19

18 Oct '19

Hello, I'm currently in the process of setting up a near identical network to our own in GNS3 for testing purposes. Has anyone here tried this before to any success? We need to buy the Cisco IOSv image to continue with the sim so I figured I would inquire here first before diving in. All info is appreciated, -- Ryland Kremeier

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asymmetric routing issue on microsoft torix ix
by Samir Rana 18 Oct '19

18 Oct '19

Greetings, We have asymmetric routing issues from Microsoft TORIX connection between Microsoft and CANARIE and Microsoft and SHAW. We are sending traffic via Cybera-CANARIE-Microsoft ( SIX ) and receiving via Microsoft-Shaw-Cybera ( SIX ). if anyone from Microsoft is available please contact me offline. Regards, Samir 403.210.5382

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Its hard to believe that it has been 21 years...
by Rodney Joffe 17 Oct '19

17 Oct '19

Twenty-one years ago today, Jon Postel passed away in Santa Monica, CA. Almost all of us get to do what we do today, because of his vision, guidance, and leadership. He is one of many giants on whose shoulders we stand today (some are still active here in NANOG), but he was the compass that guided most of us. For those of you who are too young to recognize his name, or don’t realize who that " J. Postel" is at the end of all of those RFCs you look at and quote: https://www.ietf.org/rfc/rfc2468.txt https://en.wikipedia.org/wiki/Jon_Postel https://www.internetsociety.org/grants-and-awards/postel-service-award/ten-… /rlj

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