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@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 07 Dec, 2019 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 786402 Prefixes after maximum aggregation (per Origin AS): 299700 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 379353 Total ASes present in the Internet Routing Table: 66387 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 57073 Origin ASes announcing only one prefix: 24314 Transit ASes present in the Internet Routing Table: 9314 Transit-only ASes present in the Internet Routing Table: 280 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 34 Max AS path prepend of ASN ( 8697) 27 Prefixes from unregistered ASNs in the Routing Table: 37 Number of instances of unregistered ASNs: 37 Number of 32-bit ASNs allocated by the RIRs: 29818 Number of 32-bit ASNs visible in the Routing Table: 24419 Prefixes from 32-bit ASNs in the Routing Table: 111748 Number of bogon 32-bit ASNs visible in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 299 Number of addresses announced to Internet: 2848342528 Equivalent to 169 /8s, 198 /16s and 66 /24s Percentage of available address space announced: 76.9 Percentage of allocated address space announced: 76.9 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: 262844 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 209658 Total APNIC prefixes after maximum aggregation: 61192 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 203735 Unique aggregates announced from the APNIC address blocks: 85025 APNIC Region origin ASes present in the Internet Routing Table: 10212 APNIC Prefixes per ASN: 19.95 APNIC Region origin ASes announcing only one prefix: 2838 APNIC Region transit ASes present in the Internet Routing Table: 1524 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5237 Number of APNIC addresses announced to Internet: 772498816 Equivalent to 46 /8s, 11 /16s and 101 /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: 231045 Total ARIN prefixes after maximum aggregation: 107155 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 228353 Unique aggregates announced from the ARIN address blocks: 109316 ARIN Region origin ASes present in the Internet Routing Table: 18651 ARIN Prefixes per ASN: 12.24 ARIN Region origin ASes announcing only one prefix: 6931 ARIN Region transit ASes present in the Internet Routing Table: 1914 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3042 Number of ARIN addresses announced to Internet: 1072398080 Equivalent to 63 /8s, 235 /16s and 127 /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: 221483 Total RIPE prefixes after maximum aggregation: 103546 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 218381 Unique aggregates announced from the RIPE address blocks: 129300 RIPE Region origin ASes present in the Internet Routing Table: 26693 RIPE Prefixes per ASN: 8.18 RIPE Region origin ASes announcing only one prefix: 11693 RIPE Region transit ASes present in the Internet Routing Table: 3751 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: 8763 Number of RIPE addresses announced to Internet: 723573120 Equivalent to 43 /8s, 32 /16s and 217 /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: 102186 Total LACNIC prefixes after maximum aggregation: 23346 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 103294 Unique aggregates announced from the LACNIC address blocks: 45068 LACNIC Region origin ASes present in the Internet Routing Table: 9174 LACNIC Prefixes per ASN: 11.26 LACNIC Region origin ASes announcing only one prefix: 2373 LACNIC Region transit ASes present in the Internet Routing Table: 1730 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6735 Number of LACNIC addresses announced to Internet: 173884928 Equivalent to 10 /8s, 93 /16s and 70 /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: 21992 Total AfriNIC prefixes after maximum aggregation: 4434 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 32340 Unique aggregates announced from the AfriNIC address blocks: 10394 AfriNIC Region origin ASes present in the Internet Routing Table: 1360 AfriNIC Prefixes per ASN: 23.78 AfriNIC Region origin ASes announcing only one prefix: 479 AfriNIC Region transit ASes present in the Internet Routing Table: 273 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: 642 Number of AfriNIC addresses announced to Internet: 105689856 Equivalent to 6 /8s, 76 /16s and 179 /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 5145 635 595 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4683 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3280 1331 26 VIETEL-AS-AP Viettel Group, VN 45899 3103 1780 114 VNPT-AS-VN VNPT Corp, VN 7713 2702 798 487 TELKOMNET-AS-AP PT Telekomunikasi Indon 9829 2667 1495 530 BSNL-NIB National Internet Backbone, IN 9808 2622 9043 62 CMNET-GD Guangdong Mobile Communication 4766 2391 11112 670 KIXS-AS-KR Korea Telecom, KR 9498 2212 433 213 BBIL-AP BHARTI Airtel Ltd., IN 4755 2151 442 195 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 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 3836 252 654 CABLEONE - CABLE ONE, INC., US 16509 3756 7444 1669 AMAZON-02 - Amazon.com, Inc., US 22773 3501 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3366 1324 93 SHAW - Shaw Communications Inc., CA 16625 2949 1547 2112 AKAMAI-AS - Akamai Technologies, Inc., 30036 2268 356 103 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2168 5075 536 CENTURYLINK-US-LEGACY-QWEST - CenturyLi 20115 2133 2769 517 CHARTER-20115 - Charter Communications, 18566 2064 405 103 MEGAPATH5-US - MegaPath Corporation, US 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 5784 1635 135 UNI2-AS, ES 39891 4034 219 19 ALJAWWALSTC-AS, SA 31334 3333 484 13 KABELDEUTSCHLAND-AS, DE 8551 3100 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2788 465 1950 AKAMAI-ASN1, US 12389 2461 2234 710 ROSTELECOM-AS, RU 34984 2155 350 542 TELLCOM-AS, TR 9009 1987 214 1088 M247, GB 9121 1947 1691 18 TTNET, TR 13188 1605 100 46 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 6138 3283 609 Uninet S.A. de C.V., MX 10620 3359 533 467 Telmex Colombia S.A., CO 11830 2685 369 63 Instituto Costarricense de Electricidad 6503 1680 323 390 Axtel, S.A.B. de C.V., MX 7303 1480 1026 267 Telecom Argentina S.A., AR 28573 1207 2232 199 CLARO S.A., BR 13999 1143 495 265 Mega Cable, S.A. de C.V., MX 3816 1122 560 134 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1104 380 36 Telefonica del Peru S.A.A., PE 11172 938 111 62 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 1227 393 23 LINKdotNET-AS, EG 36992 1033 1535 73 ETISALAT-MISR, EG 24835 979 570 24 RAYA-AS, EG 36903 868 438 98 MT-MPLS, MA 8452 685 1857 19 TE-AS TE-AS, EG 6713 626 1863 34 IAM-AS, MA 29571 558 68 11 ORANGE-COTE-IVOIRE, CI 37342 482 32 1 MOVITEL, MZ 15399 375 45 10 WANANCHI-, KE 36935 355 522 41 Vodafone-, EG 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 6138 3283 609 Uninet S.A. de C.V., MX 12479 5784 1635 135 UNI2-AS, ES 7545 5145 635 595 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4683 4192 73 ERX-CERNET-BKB China Education and Rese 7155 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 219 19 ALJAWWALSTC-AS, SA 11492 3836 252 654 CABLEONE - CABLE ONE, INC., US 16509 3756 7444 1669 AMAZON-02 - Amazon.com, Inc., US 22773 3501 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3366 1324 93 SHAW - Shaw Communications Inc., CA 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 5784 5649 UNI2-AS, ES 4538 4683 4610 ERX-CERNET-BKB China Education and Research Net 7545 5145 4550 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4055 4028 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 4015 ALJAWWALSTC-AS, SA 22773 3501 3345 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 31334 3333 3320 KABELDEUTSCHLAND-AS, DE 6327 3366 3273 SHAW - Shaw Communications Inc., CA 7552 3280 3254 VIETEL-AS-AP Viettel Group, VN 11492 3836 3182 CABLEONE - CABLE ONE, INC., US 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 267874 UNALLOCATED 45.175.152.0/22 52361 ARSAT - Empresa Argentina de S 267874 UNALLOCATED 45.175.152.0/24 52361 ARSAT - Empresa Argentina de S 267874 UNALLOCATED 45.175.153.0/24 52361 ARSAT - Empresa Argentina de S 267874 UNALLOCATED 45.175.154.0/24 52361 ARSAT - Empresa Argentina de S 267874 UNALLOCATED 45.175.155.0/24 52361 ARSAT - Empresa Argentina de S 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 65595 UNALLOCATED 46.234.9.0/24 15924 BORUSANTELEKOM-AS, TR 65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR 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 31.217.248.0/23 209372 IPMEN, GB 31.217.250.0/23 209372 IPMEN, GB 31.217.252.0/23 209372 IPMEN, GB 31.217.254.0/23 209372 IPMEN, GB 37.77.148.0/23 209372 IPMEN, GB 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 /12:290 /13:581 /14:1164 /15:1926 /16:13354 /17:8092 /18:13857 /19:25673 /20:40292 /21:47431 /22:98101 /23:79919 /24:454247 /25:1316 /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 4740 5784 UNI2-AS, ES 31334 3178 3333 KABELDEUTSCHLAND-AS, DE 6327 3154 3366 SHAW - Shaw Communications Inc., CA 7155 3147 4055 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 2989 3836 CABLEONE - CABLE ONE, INC., US 39891 2946 4034 ALJAWWALSTC-AS, SA 22773 2721 3501 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2559 3100 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11830 2033 2685 Instituto Costarricense de Electricidad y Telec 30036 2018 2268 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1533 2:1147 3:12 4:19 5:3167 6:48 8:1362 9:1 12:1795 13:472 14:2175 15:54 16:9 17:278 18:79 20:56 23:3136 24:2608 25:4 27:2500 31:2783 32:105 35:37 36:929 37:3210 38:1793 39:317 40:133 41:3344 42:849 43:2120 44:188 45:12417 46:3244 47:271 49:1420 50:1135 51:344 52:1128 54:270 55:671 56:6 57:47 58:1898 59:1114 60:658 61:2218 62:2125 63:1919 64:5006 65:2302 66:4779 67:2809 68:1225 69:3625 70:1394 71:671 72:2748 74:2691 75:1423 76:670 77:2526 78:1973 79:2341 80:1829 81:1531 82:1190 83:981 84:1211 85:2468 86:580 87:1635 88:1053 89:2608 90:260 91:7424 92:1449 93:2437 94:2591 95:3711 96:938 97:339 98:959 99:963 100:85 101:1097 102:702 103:22798 104:3609 105:370 106:836 107:1855 108:689 109:3625 110:1769 111:1934 112:1565 113:1380 114:1451 115:1815 116:1794 117:2011 118:2069 119:1677 120:888 121:1038 122:2318 123:1871 124:1568 125:2010 128:1403 129:902 130:576 131:1823 132:765 133:254 134:1263 135:273 136:593 137:847 138:2175 139:975 140:654 141:850 142:815 143:1102 144:938 145:289 146:1454 147:994 148:1890 149:1037 150:838 151:1282 152:1450 153:369 154:4408 155:892 156:2947 157:1065 158:719 159:1939 160:1670 161:1046 162:3023 163:868 164:1292 165:1198 166:536 167:1460 168:3587 169:488 170:4205 171:706 172:1843 173:2333 174:1034 175:1000 176:2706 177:4238 178:2818 179:1406 180:2180 181:2380 182:2824 183:1107 184:2307 185:15837 186:3770 187:2545 188:3449 189:2046 190:8336 191:1508 192:10156 193:7187 194:5753 195:4214 196:3306 197:1949 198:6075 199:5930 200:7177 201:5162 202:10420 203:10215 204:4565 205:3081 206:3264 207:3241 208:3997 209:4331 210:3983 211:1994 212:3310 213:3015 214:1121 215:52 216:5860 217:2306 218:901 219:612 220:1962 221:943 222:973 223:1353 End of report