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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 26 20:50:52 CEST 2012
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 27 Oct, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 429634 Prefixes after maximum aggregation: 179531 Deaggregation factor: 2.39 Unique aggregates announced to Internet: 211158 Total ASes present in the Internet Routing Table: 42474 Prefixes per ASN: 10.12 Origin-only ASes present in the Internet Routing Table: 33773 Origin ASes announcing only one prefix: 15820 Transit ASes present in the Internet Routing Table: 5659 Transit-only ASes present in the Internet Routing Table: 145 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 40 Max AS path prepend of ASN ( 22394) 36 Prefixes from unregistered ASNs in the Routing Table: 871 Unregistered ASNs in the Routing Table: 322 Number of 32-bit ASNs allocated by the RIRs: 3412 Number of 32-bit ASNs visible in the Routing Table: 3042 Prefixes from 32-bit ASNs in the Routing Table: 8244 Special use prefixes present in the Routing Table: 13 Prefixes being announced from unallocated address space: 159 Number of addresses announced to Internet: 2608859500 Equivalent to 155 /8s, 128 /16s and 9 /24s Percentage of available address space announced: 70.5 Percentage of allocated address space announced: 70.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.8 Total number of prefixes smaller than registry allocations: 150954 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 103698 Total APNIC prefixes after maximum aggregation: 32582 APNIC Deaggregation factor: 3.18 Prefixes being announced from the APNIC address blocks: 104472 Unique aggregates announced from the APNIC address blocks: 42967 APNIC Region origin ASes present in the Internet Routing Table: 4783 APNIC Prefixes per ASN: 21.84 APNIC Region origin ASes announcing only one prefix: 1249 APNIC Region transit ASes present in the Internet Routing Table: 779 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: 340 Number of APNIC addresses announced to Internet: 712220960 Equivalent to 42 /8s, 115 /16s and 161 /24s Percentage of available APNIC address space announced: 83.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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: 154902 Total ARIN prefixes after maximum aggregation: 78361 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 155759 Unique aggregates announced from the ARIN address blocks: 69605 ARIN Region origin ASes present in the Internet Routing Table: 15296 ARIN Prefixes per ASN: 10.18 ARIN Region origin ASes announcing only one prefix: 5788 ARIN Region transit ASes present in the Internet Routing Table: 1600 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1087370112 Equivalent to 64 /8s, 207 /16s and 243 /24s Percentage of available ARIN address space announced: 57.5 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, 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: 108872 Total RIPE prefixes after maximum aggregation: 57549 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 111543 Unique aggregates announced from the RIPE address blocks: 72153 RIPE Region origin ASes present in the Internet Routing Table: 16922 RIPE Prefixes per ASN: 6.59 RIPE Region origin ASes announcing only one prefix: 8139 RIPE Region transit ASes present in the Internet Routing Table: 2750 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1984 Number of RIPE addresses announced to Internet: 648338212 Equivalent to 38 /8s, 164 /16s and 219 /24s Percentage of available RIPE address space announced: 94.3 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, 196608-199679 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: 44124 Total LACNIC prefixes after maximum aggregation: 8743 LACNIC Deaggregation factor: 5.05 Prefixes being announced from the LACNIC address blocks: 47539 Unique aggregates announced from the LACNIC address blocks: 22817 LACNIC Region origin ASes present in the Internet Routing Table: 1686 LACNIC Prefixes per ASN: 28.20 LACNIC Region origin ASes announcing only one prefix: 471 LACNIC Region transit ASes present in the Internet Routing Table: 315 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 696 Number of LACNIC addresses announced to Internet: 118264488 Equivalent to 7 /8s, 12 /16s and 146 /24s Percentage of available LACNIC address space announced: 70.5 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 9678 Total AfriNIC prefixes after maximum aggregation: 2242 AfriNIC Deaggregation factor: 4.32 Prefixes being announced from the AfriNIC address blocks: 10162 Unique aggregates announced from the AfriNIC address blocks: 3476 AfriNIC Region origin ASes present in the Internet Routing Table: 567 AfriNIC Prefixes per ASN: 17.92 AfriNIC Region origin ASes announcing only one prefix: 173 AfriNIC Region transit ASes present in the Internet Routing Table: 124 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 42372864 Equivalent to 2 /8s, 134 /16s and 143 /24s Percentage of available AfriNIC address space announced: 42.1 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 2972 11558 900 Korea Telecom (KIX) 17974 2418 829 55 PT TELEKOMUNIKASI INDONESIA 7545 1785 301 86 TPG Internet Pty Ltd 4755 1610 375 158 TATA Communications formerly 9829 1398 1152 36 BSNL National Internet Backbo 9583 1187 88 509 Sify Limited 4808 1112 2056 314 CNCGROUP IP network: China169 7552 1105 1062 11 Vietel Corporation 24560 1035 385 162 Bharti Airtel Ltd., Telemedia 9498 1027 310 74 BHARTI Airtel Ltd. 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 3178 3724 164 bellsouth.net, inc. 7029 3132 989 161 Windstream Communications Inc 18566 2084 382 180 Covad Communications 1785 1928 678 126 PaeTec Communications, Inc. 22773 1909 2931 128 Cox Communications, Inc. 20115 1665 1586 617 Charter Communications 4323 1592 1155 393 Time Warner Telecom 30036 1373 274 726 Mediacom Communications Corp 7018 1276 10290 849 AT&T WorldNet Services 7011 1222 334 692 Citizens Utilities 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 1847 544 16 Corbina telecom 12479 853 776 64 Uni2 Autonomous System 34984 822 207 198 BILISIM TELEKOM 31148 726 37 9 FreeNet ISP 6830 724 2314 446 UPC Distribution Services 13188 707 93 134 Educational Network 20940 699 223 548 Akamai Technologies European 2118 664 97 14 EUnet/RELCOM Autonomous Syste 58113 601 66 364 LIR DATACENTER TELECOM SRL 8551 595 364 61 Bezeq International 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 10620 2224 378 227 TVCABLE BOGOTA 28573 2138 1276 77 NET Servicos de Comunicao S.A 7303 1661 1131 201 Telecom Argentina Stet-France 8151 1590 3030 356 UniNet S.A. de C.V. 6503 1524 435 68 AVANTEL, S.A. 27947 739 74 96 Telconet S.A 3816 652 309 69 Empresa Nacional de Telecomun 14420 593 89 103 CORPORACION NACIONAL DE TELEC 11172 589 85 65 Servicios Alestra S.A de C.V 7738 585 1178 33 Telecomunicacoes da Bahia S.A 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 899 275 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 651 958 13 TEDATA 6713 516 650 19 Itissalat Al-MAGHRIB 24835 287 80 8 RAYA Telecom - Egypt 3741 267 906 225 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 172 697 88 MTN Network Solutions 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 6389 3178 3724 164 bellsouth.net, inc. 7029 3132 989 161 Windstream Communications Inc 4766 2972 11558 900 Korea Telecom (KIX) 17974 2418 829 55 PT TELEKOMUNIKASI INDONESIA 10620 2224 378 227 TVCABLE BOGOTA 28573 2138 1276 77 NET Servicos de Comunicao S.A 18566 2084 382 180 Covad Communications 1785 1928 678 126 PaeTec Communications, Inc. 22773 1909 2931 128 Cox Communications, Inc. 8402 1847 544 16 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7029 3132 2971 Windstream Communications Inc 17974 2418 2363 PT TELEKOMUNIKASI INDONESIA 4766 2972 2072 Korea Telecom (KIX) 28573 2138 2061 NET Servicos de Comunicao S.A 10620 2224 1997 TVCABLE BOGOTA 18566 2084 1904 Covad Communications 8402 1847 1831 Corbina telecom 1785 1928 1802 PaeTec Communications, Inc. 22773 1909 1781 Cox Communications, Inc. 7545 1785 1699 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 61408 UNALLOCATED 5.56.0.0/22 174 Cogent Communication 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59521 UNALLOCATED 5.134.192.0/21 29518 Labs2 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.24.0/21 41794 Altline LLC 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 >>UNKNOWN<< 128.0.160.0/21 23456 32-bit ASN transition 128.0.168.0/21 15772 W-NET Kiev Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 27.112.114.0/24 23884 Proimage Engineering and Comm 41.220.80.0/24 38925 DAC AS Germany 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 /8:18 /9:14 /10:29 /11:87 /12:241 /13:478 /14:850 /15:1549 /16:12459 /17:6510 /18:10856 /19:21231 /20:30542 /21:32534 /22:43081 /23:40258 /24:224641 /25:1358 /26:1692 /27:907 /28:180 /29:77 /30:17 /31:0 /32:25 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2622 3132 Windstream Communications Inc 18566 2034 2084 Covad Communications 6389 1791 3178 bellsouth.net, inc. 8402 1549 1847 Corbina telecom 30036 1294 1373 Mediacom Communications Corp 22773 1249 1909 Cox Communications, Inc. 11492 1149 1184 Cable One 6503 1054 1524 AVANTEL, S.A. 1785 1018 1928 PaeTec Communications, Inc. 7011 957 1222 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:645 2:785 3:1 4:13 5:581 6:3 8:478 12:1979 13:3 14:681 15:11 16:3 17:6 20:27 23:207 24:1787 27:1370 31:1030 32:54 33:2 34:2 36:7 37:917 38:835 39:2 40:136 41:2788 42:175 44:3 46:1638 47:2 49:461 50:612 52:12 54:25 55:7 56:4 57:27 58:983 59:546 60:237 61:1301 62:972 63:2005 64:4282 65:2228 66:4531 67:2083 68:1159 69:3228 70:986 71:506 72:1882 74:2614 75:478 76:308 77:975 78:1009 79:506 80:1234 81:982 82:623 83:542 84:526 85:1153 86:485 87:942 88:360 89:1810 90:303 91:5281 92:588 93:1445 94:1676 95:1264 96:395 97:325 98:967 99:39 100:30 101:292 103:1702 105:512 106:122 107:201 108:473 109:1612 110:810 111:977 112:436 113:734 114:632 115:869 116:888 117:758 118:948 119:1227 120:360 121:693 122:1694 123:1161 124:1339 125:1284 128:574 129:197 130:284 131:645 132:309 133:142 134:252 135:62 136:220 137:238 138:337 139:170 140:492 141:289 142:491 143:377 144:494 145:82 146:517 147:267 148:727 149:330 150:158 151:204 152:450 153:182 154:21 155:436 156:227 157:371 158:286 159:664 160:337 161:414 162:365 163:191 164:710 165:449 166:512 167:560 168:998 169:126 170:908 171:152 172:7 173:1702 174:611 175:452 176:779 177:1342 178:1619 180:1357 181:162 182:1108 183:314 184:610 185:42 186:2210 187:1374 188:1707 189:1598 190:5892 192:6040 193:5546 194:4275 195:3459 196:1234 197:248 198:3911 199:5083 200:6009 201:1962 202:8709 203:8720 204:4412 205:2521 206:2745 207:2805 208:4056 209:3626 210:2833 211:1536 212:2073 213:1830 214:884 215:87 216:5131 217:1559 218:572 219:307 220:1257 221:533 222:338 223:405 End of report
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