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How to Blocking VoIP ( H.323) ?
by Joe Shen 14 Nov '04

14 Nov '04

Hi, How could it be done to block VoIP at access router? I've thought about using ACL to block UDP port 1719,but this could be overcome by modifying protocol port number. regards Joe __________________________________________________ Do You Yahoo!? Log on to Messenger with your mobile phone! http://sg.messenger.yahoo.com

16 28

The Cidr Report
by cidr-report＠potaroo.net 14 Nov '04

14 Nov '04

This report has been generated at Fri Nov 12 21:44:35 2004 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 05-11-04 156315 103806 06-11-04 156228 103992 07-11-04 156318 103854 08-11-04 156312 102177 09-11-04 148311 102028 10-11-04 148405 102407 11-11-04 148646 102468 12-11-04 148794 102646 AS Summary 18360 Number of ASes in routing system 7492 Number of ASes announcing only one prefix 1406 Largest number of prefixes announced by an AS AS7018 : ATTW AT&T WorldNet Services 86853120 Largest address span announced by an AS (/32s) AS721 : DNIC DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 12Nov04 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 148874 102650 46224 31.0% All ASes AS18566 751 6 745 99.2% CVAD Covad Communications AS4134 825 178 647 78.4% CHINANET-BACKBONE No.31,Jin-rong Street AS4323 794 223 571 71.9% TWTC Time Warner Telecom AS7018 1406 1002 404 28.7% ATTW AT&T WorldNet Services AS6197 814 430 384 47.2% BNS-14 BellSouth Network Solutions, Inc AS22773 401 17 384 95.8% CXA Cox Communications Inc. AS27364 413 45 368 89.1% ARMC Armstrong Cable Services AS701 1230 884 346 28.1% UU UUNET Technologies, Inc. AS22909 412 81 331 80.3% CMCS Comcast Cable Communications, Inc. AS6478 426 98 328 77.0% ATTW AT&T WorldNet Services AS1239 930 620 310 33.3% SPRN Sprint AS17676 372 63 309 83.1% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS9929 335 33 302 90.1% CNCNET-CN China Netcom Corp. AS7843 497 208 289 58.1% ADELPH-13 Adelphia Corp. AS4355 384 99 285 74.2% ERSD EARTHLINK, INC AS4766 531 268 263 49.5% KIXS-AS-KR Korea Telecom AS14654 261 6 255 97.7% WAYPOR-3 Wayport AS21502 253 3 250 98.8% ASN-NUMERICABLE NUMERICABLE is a cabled network in France, AS9443 358 109 249 69.6% INTERNETPRIMUS-AS-AP Primus Telecommunications AS15557 361 121 240 66.5% LDCOMNET LDCOM NETWORKS AS6140 370 133 237 64.1% IMPSA ImpSat AS721 1023 792 231 22.6% DNIC DoD Network Information Center AS2386 849 620 229 27.0% ADCS-1 AT&T Data Communications Services AS25844 244 16 228 93.4% SASMFL-2 Skadden, Arps, Slate, Meagher & Flom LLP AS1221 801 578 223 27.8% ASN-TELSTRA Telstra Pty Ltd AS6198 435 221 214 49.2% BNS-14 BellSouth Network Solutions, Inc AS4814 208 6 202 97.1% CHINA169-BBN CNCGROUP IP network¡ªChina169 Beijing Broadband Network AS5668 414 223 191 46.1% CIH-12 CenturyTel Internet Holdings, Inc. AS15270 226 36 190 84.1% PDP-14 PaeTec.net -a division of PaeTecCommunications, Inc. AS6517 300 116 184 61.3% YIPS Yipes Communications, Inc. Total 16624 7235 9389 56.5% Top 30 total Possible Bogus Routes 24.138.80.0/20 AS11260 AHSICHCL Andara High Speed Internet c/o Halifax Cable Ltd. 24.246.0.0/17 AS7018 ATTW AT&T WorldNet Services 24.246.38.0/24 AS25994 NPGCAB NPG Cable, INC 24.246.128.0/18 AS7018 ATTW AT&T WorldNet Services 64.46.27.0/24 AS8674 NETNOD-IX Netnod Internet Exchange Sverige AB 64.57.160.0/19 AS3561 CWU Cable & Wireless USA 64.92.128.0/19 AS3561 CWU Cable & Wireless USA 64.127.0.0/18 AS7018 ATTW AT&T WorldNet Services 64.209.192.0/18 AS3561 CWU Cable & Wireless USA 69.26.32.0/19 AS17307 VIRTEL-15 Virtela Communications 132.0.0.0/10 AS721 DNIC DoD Network Information Center 137.0.0.0/13 AS721 DNIC DoD Network Information Center 138.136.0.0/13 AS721 DNIC DoD Network Information Center 158.0.0.0/13 AS721 DNIC DoD Network Information Center 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.30.127.0/24 AS719 LANLINK Elisa Oyj 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.70.164.0/24 AS25689 NRCC-2 National Research Council of Canada 192.81.182.0/24 AS719 LANLINK Elisa Oyj 192.81.183.0/24 AS719 LANLINK Elisa Oyj 192.81.184.0/24 AS719 LANLINK Elisa Oyj 192.119.135.0/24 AS270 NASA National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS4004 GLOBALONE-EQUANT-UK Equant UK & Greece Autonomous System 192.135.50.0/24 AS7018 ATTW AT&T WorldNet Services 192.153.144.0/21 AS721 DNIC DoD Network Information Center 192.172.0.0/19 AS721 DNIC DoD Network Information Center 192.188.208.0/20 AS721 DNIC DoD Network Information Center 192.243.32.0/23 AS2044 PALINA Palin Aquisitions Inc. 196.2.95.0/24 AS8668 TELONE-AS TelOne Zimbabwe P/L 198.23.26.0/24 AS4390 BELLAT-7 Bell Atlantic, Inc. 198.97.72.0/21 AS721 DNIC DoD Network Information Center 198.97.80.0/20 AS721 DNIC DoD Network Information Center 198.97.88.0/24 AS89 NUSC-1 Naval Underwater Systems Center 198.97.240.0/20 AS721 DNIC DoD Network Information Center 198.97.247.0/24 AS3475 DEPART-52 Department of the Navy 198.101.4.0/22 AS721 DNIC DoD Network Information Center 198.136.32.0/20 AS19329 MCBCC Martin County Board of County Commissioners 198.144.32.0/19 AS3998 CITY CityNet, Inc. 198.161.87.0/24 AS6539 GTGR GT Group Telecom Services Corp. 198.161.165.0/24 AS852 AGTA Telus Advanced Communications 198.163.155.0/24 AS684 MRN Manitoba Regional Network 198.167.0.0/16 AS7456 INS-51 Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 198.168.0.0/16 AS701 UU UUNET Technologies, Inc. 198.169.0.0/16 AS803 SASK SaskTel 198.232.133.0/24 AS23075 SKOTOS Skotos Tech, Inc 199.10.0.0/16 AS721 DNIC DoD Network Information Center 199.60.0.0/20 AS271 UBC-3 University of British Columbia 199.96.44.0/23 AS19092 360NE-1 360Networks (USA) Inc. 199.96.46.0/24 AS19092 360NE-1 360Networks (USA) Inc. 199.114.0.0/18 AS568 DISOUN DISO-UNRRA 199.114.0.0/21 AS721 DNIC DoD Network Information Center 199.114.128.0/18 AS721 DNIC DoD Network Information Center 199.114.130.0/24 AS721 DNIC DoD Network Information Center 199.114.132.0/24 AS721 DNIC DoD Network Information Center 199.114.134.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.136.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.138.0/24 AS721 DNIC DoD Network Information Center 199.114.140.0/24 AS3544 DISAUN DISA/UNRRA 199.114.142.0/24 AS721 DNIC DoD Network Information Center 199.114.148.0/24 AS721 DNIC DoD Network Information Center 199.114.150.0/24 AS721 DNIC DoD Network Information Center 199.114.152.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.154.0/24 AS1733 ADP-41 AF DDN PMO 199.114.156.0/24 AS1913 DLA-8 Defense Logistics Agency 199.114.160.0/24 AS1733 ADP-41 AF DDN PMO 199.120.32.0/19 AS16582 NXLI NEXTLEVEL INTERNET, INC. 199.121.0.0/16 AS721 DNIC DoD Network Information Center 199.123.0.0/18 AS721 DNIC DoD Network Information Center 199.123.16.0/20 AS721 DNIC DoD Network Information Center 199.123.80.0/21 AS721 DNIC DoD Network Information Center 199.189.32.0/19 AS7332 IQUEST IQuest Internet 199.197.8.0/22 AS21814 PARSON-18 Parsons Corp. 199.202.0.0/16 AS701 UU UUNET Technologies, Inc. 202.47.1.0/24 AS7491 PI-PH-AS-AP PI-PHILIPINES 202.70.28.0/24 AS4515 ERX-STAR Star Internet Services Ltd. 202.72.64.0/21 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.64.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.65.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.66.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.67.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.68.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.69.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.70.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.71.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.72.0/21 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.72.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.73.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.74.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.75.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.76.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.77.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.78.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.72.79.0/24 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 202.73.128.0/22 AS4058 LINKAGENET-AP CPCNet Hong Kong Ltd. 202.93.0.0/20 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street 202.160.128.0/23 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.131.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.132.0/22 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.136.0/22 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.142.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.144.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.145.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.146.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.147.0/24 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.148.0/22 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.156.0/23 AS9282 LEXICON-AS Lexicon Systems Pty Ltd 202.160.158.0/23 AS17642 RDSL-NATIONAL-AS Request Broadband BGP AS number 202.164.128.0/19 AS9654 CYBERSPACE-AP P/H Padilla Bldg., Emerald Avenue 202.164.224.0/19 AS7599 IPXC-AS-AP IP Exchange 203.32.4.0/23 AS7617 203.62.0.0/17 AS7572 AARNET-ACT-RNO Australian Academic and Reasearch Network (AARNet) 203.84.192.0/19 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.192.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.84.208.0/20 AS17433 PHILWEB-AP PhilWeb.Com, Inc. 203.99.0.0/19 AS17746 ORCONINTERNET-NZ-AP Orcon Internet 203.170.14.0/23 AS6648 ASN-SKYINTERNET Autonomous System Number peering of Sky Internet - BAYANTEL Inc. - Philppines 203.210.69.0/24 AS17536 PRODIGY-AS-AP Prodidgy Telecommunications 204.154.125.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLAB-1 TELLABS Operations, Inc. 204.194.110.0/23 AS30653 EXOBI Exobit Networks Inc. 205.150.0.0/15 AS701 UU UUNET Technologies, Inc. 206.167.57.0/24 AS376 RISQR-3 Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ACCA-2 Allstream Corp. Corporation Allstream 206.251.69.0/24 AS27429 TIL-33 Telesat International Ltd. 206.253.190.0/23 AS8123 POLYBA Polybase 207.47.254.0/24 AS701 UU UUNET Technologies, Inc. 207.231.96.0/19 AS11194 NUNETI NuNet Inc 208.81.187.0/24 AS19194 SNL-8 Sentris Network LLC 209.172.0.0/18 AS7770 TRTI Triton Technologies, Inc. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INS-52 Inter-Pacific Network Services 209.213.48.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.49.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.213.50.0/24 AS10629 INS-52 Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM-1 SISCOM, Inc 216.37.110.0/23 AS4264 CERFN California Education and Research Federation Network 216.96.128.0/18 AS7018 ATTW AT&T WorldNet Services 216.145.156.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.158.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.176.0/21 AS20304 JIS-32 JVLNET Internet Services 216.145.177.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.178.0/24 AS20304 JIS-32 JVLNET Internet Services 216.145.184.0/21 AS10758 INWAVE INWave Internet, Inc 216.145.200.0/21 AS20304 JIS-32 JVLNET Internet Services 216.171.96.0/20 AS3356 LEVEL3 Level 3 Communications 216.186.151.0/24 AS3356 LEVEL3 Level 3 Communications 216.186.152.0/21 AS3356 LEVEL3 Level 3 Communications 216.186.160.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.164.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.192.0/22 AS3356 LEVEL3 Level 3 Communications 216.186.198.0/23 AS3356 LEVEL3 Level 3 Communications 216.186.248.0/23 AS3356 LEVEL3 Level 3 Communications Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org swinog(a)swinog.ch

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RE: The Cidr Report
by Geoff Huston 14 Nov '04

14 Nov '04

Interestingly enough what Covad appears to be saying is: If we had a way to announce two things 1 - here are the advertisements for covering aggregates for Covad AND 2 - do not believe any more specifics for these address blocks, as they are NOT part of Covad's routing policy for these prefixes then we would not be seeing this unfortunate case of unauthorized route leakage being resolved in a way that seems to have unfortunate bgp implications in terms of more specifics appearing. So its an interesting question. How could Covad achieve a routing policy announcement of the form as stated in 2 above? regards, Geoff

3 2

Re: IPV6 renumbering painless?
by John Curran 13 Nov '04

13 Nov '04

At 12:32 PM -0600 11/13/04, Stephen Sprunk wrote: >So you're claiming that any IPv6 PI applicant without your political connections to the IESG, ARIN, IANA, etc. can get a /32? I don't know exactly how many subnets/hosts ISC has, but I seriously doubt ISC could even get a PI /48 if you weren't buddies with the folks making allocation decisions. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 The initial allocation size for IPv6 was set by the public policy process to be /32. Association with various Internet bodies has no effect (either way :-) on the received allocation size. From <http://www.arin.net/policy>: ... 6.5.1.2. Initial allocation size Organizations that meet the initial allocation criteria are eligible to receive a minimum allocation of /32. I have no public comment regarding the ULA proposal, but want to be clear that it is ARIN's goal to apply policies fairly and equitably to all existing and potential members of the Internet community. I am not aware of any complaints in this area in the history of the organization, and so I'm definitely interested from hearing from anyone who feels otherwise. /John John Curran Chair, American Registry for Internet Numbers (ARIN) -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBQZZ7jYdtk0FNoZyOEQL7+gCgslGVJSFLsXAlBcgnTz6QmVD0vygAoIj0 RFK60W+OsZvN+4WCnqXP9zva =xTvs -----END PGP SIGNATURE-----

1 0

Re: anycast roots
by Hank Nussbacher 13 Nov '04

13 Nov '04

And we, the users, appreciate the info being kept up to date. Thanks for the work, -Hank > > >bmanning(a)vacation.karoshi.com wrote: > > > > > > > > for those nodes that choose to use root-servers.org as a > > > > publication method, ... > > > > > > > > > >as far as i know, the root-servers.org web site is 100% accurate, and has > > >100% participation amongst root server operators wrt publishing accurate > > >information. if bill knows otherwise, i'd like him to say so, and offer > > >specifics both as to what information is not present, and where it can be > > >found today, and where it can be found in the future. > > > > > >if bill is not actually aware of any missing information, i'd like him to > > >say so, since it's possible to infer from his comments here that the web > > >site is inaccurate or out-of-date in some way he's directly aware of, and > > >i just don't think that's true. > > >-- > > >Paul Vixie

1 0

Any Sprint BGP people out there
by Todd Christell 13 Nov '04

13 Nov '04

Greetings, We have a customer that has Internet access through SBC. They lost their connection yesterday morning and are about ready to go out of business. We got additional fiber to their location and are now trying to announce their prefixes to Sprint. Of course they don't belong to us and wondering what I have to do to prove it is a legit request. A contact off list would be greatly appreciated. tlc Todd Christell Network Manager SpringNet www.springnet.net 417.831.8688 Key fingerprint = 4F26 A0B4 5AAD 7FCA 48DD 7F40 A57E 9235 5202 D508

4 5

I want my own IPs
by Philip Lavine 13 Nov '04

13 Nov '04

I have recently been turned down by ARIN for an address block. I currently have 4 /24's from ISP's and would like IP independence. How do I convince ARIN to give me a block -- /20 I guess? The form I filled out does not make it easy. Philip __________________________________ Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com

5 4

RE: The Cidr Report
by Roldan, Brad 13 Nov '04

13 Nov '04

[snip] > > ASnum NetsNow NetsAggr NetGain % Gain Description > > > > AS18566 751 6 745 99.2% CVAD Covad Communications [snip] > not to justify the expense, but perhaps covad is renumbering from one > block to another? Looking at their advertisments I see lots of /23 or /24 > blocks inside their larger covering routes... So either they deaggregated > to renumber more gracefully, or they forgot their prefix-list outbound to > williams and exodus ? > perhaps covad can explain? or silently cover up the 'mistake' (which is > acceptable as well...) I've been secretly hoping no one would notice Covad's ascension to the number one spot (which we've held for well over a month now ;). I actually made it through the last NANOG without a single mention of Covad's route bloat! There are no mistakes or excuses here. And there's definitely no renumbering going on. We were actually fully aggregated until an unfortunate incident this past May involving a distant service provider leaking our specifics. Gigs of traffic somehow vanished into Eastern Europe. The net result was deaggregation. It's unlikely we will aggregate down to less than 10 netblocks again. However, we do make every effort to aggregate where possible. Our superblocks are also being advertised, for those of you that want to filter our routes. Want to discuss further? Great. Call me or email me directly. Contact info is below. Think you can do it better? Even better. It turns out I'm hiring. :) Regards, Brad -- Covad Communications 408-434-2048 broldan(a)covad.com

3 2

Rack + IP trading sites
by Nathan Allen Stratton 13 Nov '04

13 Nov '04

Anyone know of good sites where you can trade rack space and IP bandwidth? I am looking for rack space and IP in London and trade if for space and IP in one of our US datacenters. I found lots of sites for trading raw capacity, but can't seem to find a good site for trading space with IP. ><> Co Founder, CTO Nathan Stratton BroadVoice, Inc. nathan at robotics.net Talk IS Cheap http://www.robotics.net http://www.broadvoice.com

3 2

Slightly OT: Flannery VS RSA
by Mike Lyon 12 Nov '04

12 Nov '04

I haven't heard much lately about Flannery. Have their been any implementations or benchmarks of the flannery Cayley-Purser algorithm in comparison to RSA in the real world? -Mike

2 1