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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 20 20:51:00 CEST 2013
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, AusNOG, SANOG, PacNOG, LacNOG, TRNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 21 Sep, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 467671 Prefixes after maximum aggregation: 188636 Deaggregation factor: 2.48 Unique aggregates announced to Internet: 232499 Total ASes present in the Internet Routing Table: 45041 Prefixes per ASN: 10.38 Origin-only ASes present in the Internet Routing Table: 35179 Origin ASes announcing only one prefix: 16272 Transit ASes present in the Internet Routing Table: 5915 Transit-only ASes present in the Internet Routing Table: 163 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 30 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5180 Unregistered ASNs in the Routing Table: 810 Number of 32-bit ASNs allocated by the RIRs: 5066 Number of 32-bit ASNs visible in the Routing Table: 3947 Prefixes from 32-bit ASNs in the Routing Table: 12287 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 496 Number of addresses announced to Internet: 2643702548 Equivalent to 157 /8s, 147 /16s and 179 /24s Percentage of available address space announced: 71.4 Percentage of allocated address space announced: 71.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.0 Total number of prefixes smaller than registry allocations: 163839 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110877 Total APNIC prefixes after maximum aggregation: 33651 APNIC Deaggregation factor: 3.29 Prefixes being announced from the APNIC address blocks: 112862 Unique aggregates announced from the APNIC address blocks: 46676 APNIC Region origin ASes present in the Internet Routing Table: 4868 APNIC Prefixes per ASN: 23.18 APNIC Region origin ASes announcing only one prefix: 1213 APNIC Region transit ASes present in the Internet Routing Table: 832 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 680 Number of APNIC addresses announced to Internet: 727933184 Equivalent to 43 /8s, 99 /16s and 97 /24s Percentage of available APNIC address space announced: 85.1 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 162664 Total ARIN prefixes after maximum aggregation: 81384 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 163181 Unique aggregates announced from the ARIN address blocks: 75892 ARIN Region origin ASes present in the Internet Routing Table: 15900 ARIN Prefixes per ASN: 10.26 ARIN Region origin ASes announcing only one prefix: 6025 ARIN Region transit ASes present in the Internet Routing Table: 1657 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 21 Number of ARIN addresses announced to Internet: 1071770368 Equivalent to 63 /8s, 225 /16s and 235 /24s Percentage of available ARIN address space announced: 56.7 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, 393216-394239 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, 45/8, 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: 118739 Total RIPE prefixes after maximum aggregation: 61170 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 122602 Unique aggregates announced from the RIPE address blocks: 79354 RIPE Region origin ASes present in the Internet Routing Table: 17428 RIPE Prefixes per ASN: 7.03 RIPE Region origin ASes announcing only one prefix: 8266 RIPE Region transit ASes present in the Internet Routing Table: 2816 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2399 Number of RIPE addresses announced to Internet: 656991204 Equivalent to 39 /8s, 40 /16s and 227 /24s Percentage of available RIPE address space announced: 95.5 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, 196608-200191 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: 51331 Total LACNIC prefixes after maximum aggregation: 9822 LACNIC Deaggregation factor: 5.23 Prefixes being announced from the LACNIC address blocks: 56287 Unique aggregates announced from the LACNIC address blocks: 26187 LACNIC Region origin ASes present in the Internet Routing Table: 2026 LACNIC Prefixes per ASN: 27.78 LACNIC Region origin ASes announcing only one prefix: 576 LACNIC Region transit ASes present in the Internet Routing Table: 379 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 841 Number of LACNIC addresses announced to Internet: 139185200 Equivalent to 8 /8s, 75 /16s and 204 /24s Percentage of available LACNIC address space announced: 83.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus 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: 11638 Total AfriNIC prefixes after maximum aggregation: 2533 AfriNIC Deaggregation factor: 4.59 Prefixes being announced from the AfriNIC address blocks: 12243 Unique aggregates announced from the AfriNIC address blocks: 3950 AfriNIC Region origin ASes present in the Internet Routing Table: 654 AfriNIC Prefixes per ASN: 18.72 AfriNIC Region origin ASes announcing only one prefix: 192 AfriNIC Region transit ASes present in the Internet Routing Table: 135 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 46651136 Equivalent to 2 /8s, 199 /16s and 215 /24s Percentage of available AfriNIC address space announced: 46.3 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 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 4766 2923 11561 924 Korea Telecom (KIX) 17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA 7545 2081 321 112 TPG Internet Pty Ltd 4755 1770 391 188 TATA Communications formerly 9829 1550 1238 40 BSNL National Internet Backbo 9583 1232 92 505 Sify Limited 4808 1188 2133 348 CNCGROUP IP network: China169 9498 1188 309 70 BHARTI Airtel Ltd. 7552 1163 1080 13 Vietel Corporation 24560 1089 380 164 Bharti Airtel Ltd., Telemedia 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 6389 3067 3689 62 BellSouth.net Inc. 18566 2065 382 184 Covad Communications 22773 2043 2933 124 Cox Communications, Inc. 1785 2018 679 126 PaeTec Communications, Inc. 20115 1679 1650 627 Charter Communications 4323 1611 1103 409 Time Warner Telecom 701 1531 11152 796 UUNET Technologies, Inc. 30036 1349 304 632 Mediacom Communications Corp 7018 1315 11261 828 AT&T WorldNet Services 22561 1236 386 201 Digital Teleport, Inc 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 8402 1729 544 16 OJSC "Vimpelcom" 34984 1361 244 220 TELLCOM ILETISIM HIZMETLERI A 20940 1031 378 795 Akamai Technologies European 31148 987 43 17 FreeNet ISP 6830 894 2367 426 UPC Distribution Services 13188 847 99 70 TOV "Bank-Inform" 8551 745 370 41 Bezeq International 12479 676 799 49 Uni2 Autonomous System 35228 528 246 16 Avatar Broadband Limited 35819 512 597 70 Bayanat Al-Oula For Network S 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 28573 3287 1728 99 NET Servicos de Comunicao S.A 10620 2573 420 250 TVCABLE BOGOTA 7303 1712 1134 226 Telecom Argentina Stet-France 18881 1432 844 20 Global Village Telecom 8151 1317 2787 407 UniNet S.A. de C.V. 11830 865 364 15 Instituto Costarricense de El 27947 836 93 94 Telconet S.A 6503 823 434 64 AVANTEL, S.A. 7738 780 1498 36 Telecomunicacoes da Bahia S.A 3816 722 303 92 Empresa Nacional de Telecomun 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 36998 1864 112 5 Sudanese Mobile Telephone (ZA 24863 876 274 30 LINKdotNET AS number 6713 554 633 26 Itissalat Al-MAGHRIB 8452 426 956 9 TEDATA 24835 291 80 8 RAYA Telecom - Egypt 3741 258 921 216 The Internet Solution 29571 222 17 12 Ci Telecom Autonomous system 36992 222 501 28 Etisalat MISR 15706 221 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 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 28573 3287 1728 99 NET Servicos de Comunicao S.A 6389 3067 3689 62 BellSouth.net Inc. 4766 2923 11561 924 Korea Telecom (KIX) 17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA 10620 2573 420 250 TVCABLE BOGOTA 7545 2081 321 112 TPG Internet Pty Ltd 18566 2065 382 184 Covad Communications 22773 2043 2933 124 Cox Communications, Inc. 1785 2018 679 126 PaeTec Communications, Inc. 36998 1864 112 5 Sudanese Mobile Telephone (ZA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 3067 3005 BellSouth.net Inc. 17974 2679 2588 PT TELEKOMUNIKASI INDONESIA 10620 2573 2323 TVCABLE BOGOTA 4766 2923 1999 Korea Telecom (KIX) 7545 2081 1969 TPG Internet Pty Ltd 22773 2043 1919 Cox Communications, Inc. 1785 2018 1892 PaeTec Communications, Inc. 18566 2065 1881 Covad Communications 36998 1864 1859 Sudanese Mobile Telephone (ZA 8402 1729 1713 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic 62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.100.0.0/24 4847 China Networks Inter-Exchange Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.90.128.0/18 27418 OUTOFWALL INC. 23.90.192.0/18 36086 Broad Communications Technolo 23.91.0.0/19 40676 Psychz Networks 23.91.32.0/19 36315 Servpac Inc. 23.91.96.0/20 40676 Psychz Networks 23.91.112.0/21 32475 MidPhase Inc. 23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c 23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c 23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c 23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c 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 /8:16 /9:11 /10:31 /11:93 /12:250 /13:479 /14:915 /15:1627 /16:12794 /17:6704 /18:11144 /19:22955 /20:32528 /21:35151 /22:49644 /23:43016 /24:247837 /25:844 /26:992 /27:481 /28:47 /29:79 /30:19 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2016 2065 Covad Communications 36998 1829 1864 Sudanese Mobile Telephone (ZA 6389 1712 3067 BellSouth.net Inc. 8402 1440 1729 OJSC "Vimpelcom" 22773 1329 2043 Cox Communications, Inc. 30036 1209 1349 Mediacom Communications Corp 11492 1187 1228 Cable One 1785 1084 2018 PaeTec Communications, Inc. 6983 1025 1152 ITC^Deltacom 22561 960 1236 Digital Teleport, Inc Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:812 2:838 3:3 4:17 5:967 6:19 8:607 12:1894 13:3 14:869 15:11 16:3 17:12 18:19 20:21 23:405 24:1744 27:1579 31:1463 32:45 33:2 34:5 36:80 37:1829 38:907 39:3 40:179 41:3287 42:253 44:13 46:2004 47:6 49:673 50:844 52:12 54:39 55:5 57:26 58:1169 59:605 60:343 61:1417 62:1196 63:1988 64:4566 65:2365 66:4175 67:2084 68:1086 69:3307 70:868 71:495 72:2008 74:2559 75:330 76:303 77:1176 78:1056 79:630 80:1318 81:1030 82:631 83:582 84:585 85:1265 86:487 87:1045 88:554 89:1802 90:158 91:5708 92:599 93:1641 94:2026 95:1572 96:518 97:342 98:1041 99:43 100:31 101:609 103:3311 105:519 106:142 107:208 108:507 109:1870 110:965 111:1123 112:574 113:798 114:724 115:1005 116:972 117:823 118:1161 119:1284 120:363 121:741 122:1879 123:1254 124:1386 125:1425 128:627 129:321 130:322 131:674 132:347 133:161 134:546 135:67 136:272 137:268 138:348 139:178 140:206 141:324 142:553 143:408 144:504 145:100 146:516 147:490 148:698 149:356 150:157 151:584 152:413 153:195 154:46 155:486 156:279 157:421 158:285 159:763 160:350 161:450 162:705 163:229 164:625 165:573 166:258 167:611 168:1049 169:127 170:1087 171:193 172:25 173:1609 174:663 175:499 176:1209 177:2289 178:1884 179:145 180:1526 181:719 182:1269 183:464 184:655 185:871 186:2553 187:1456 188:1901 189:1327 190:6989 192:6939 193:5662 194:4064 195:3336 196:1323 197:980 198:4685 199:5460 200:5980 201:2507 202:8975 203:8921 204:4518 205:2636 206:2845 207:2899 208:4002 209:3607 210:2947 211:1554 212:2287 213:2052 214:930 215:99 216:5303 217:1658 218:623 219:314 220:1277 221:558 222:326 223:500 End of report
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