This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 26 Jan, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 243794 Prefixes after maximum aggregation: 124576 Deaggregation factor: 1.96 Unique aggregates announced to Internet: 119269 Total ASes present in the Internet Routing Table: 27200 Prefixes per ASN: 8.96 Origin-only ASes present in the Internet Routing Table: 23719 Origin ASes announcing only one prefix: 11517 Transit ASes present in the Internet Routing Table: 3481 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN (29642) 15 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 12 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1822105376 Equivalent to 108 /8s, 155 /16s and 31 /24s Percentage of available address space announced: 49.2 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 114971 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 55917 Total APNIC prefixes after maximum aggregation: 21083 APNIC Deaggregation factor: 2.65 Prefixes being announced from the APNIC address blocks: 53423 Unique aggregates announced from the APNIC address blocks: 23898 APNIC Region origin ASes present in the Internet Routing Table: 3111 APNIC Prefixes per ASN: 17.17 APNIC Region origin ASes announcing only one prefix: 812 APNIC Region transit ASes present in the Internet Routing Table: 466 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 326665632 Equivalent to 19 /8s, 120 /16s and 133 /24s Percentage of available APNIC address space announced: 74.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 114/7, 116/6, 120/6, 124/7, 126/8 202/7, 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 114924 Total ARIN prefixes after maximum aggregation: 65330 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83810 Unique aggregates announced from the ARIN address blocks: 33376 ARIN Region origin ASes present in the Internet Routing Table: 12093 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4664 ARIN Region transit ASes present in the Internet Routing Table: 1144 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 358115712 Equivalent to 21 /8s, 88 /16s and 105 /24s Percentage of available ARIN address space announced: 79.1 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 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 51160 Total RIPE prefixes after maximum aggregation: 32412 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 48451 Unique aggregates announced from the RIPE address blocks: 32314 RIPE Region origin ASes present in the Internet Routing Table: 10810 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 5683 RIPE Region transit ASes present in the Internet Routing Table: 1648 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 340946688 Equivalent to 20 /8s, 82 /16s and 111 /24s Percentage of available RIPE address space announced: 78.2 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 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 18403 Total LACNIC prefixes after maximum aggregation: 4632 LACNIC Deaggregation factor: 3.97 Prefixes being announced from the LACNIC address blocks: 16596 Unique aggregates announced from the LACNIC address blocks: 9066 LACNIC Region origin ASes present in the Internet Routing Table: 897 LACNIC Prefixes per ASN: 18.50 LACNIC Region origin ASes announcing only one prefix: 290 LACNIC Region transit ASes present in the Internet Routing Table: 150 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 47317568 Equivalent to 2 /8s, 210 /16s and 2 /24s Percentage of available LACNIC address space announced: 47.0 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 3375 Total AfriNIC prefixes after maximum aggregation: 1101 AfriNIC Deaggregation factor: 3.07 Prefixes being announced from the AfriNIC address blocks: 2543 Unique aggregates announced from the AfriNIC address blocks: 1445 AfriNIC Region origin ASes present in the Internet Routing Table: 220 AfriNIC Prefixes per ASN: 11.56 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8256000 Equivalent to 0 /8s, 125 /16s and 250 /24s Percentage of available AfriNIC address space announced: 24.6 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4755 1550 384 74 Videsh Sanchar Nigam Ltd. Aut 9583 1120 83 439 Sify Limited 9498 1110 549 61 BHARTI BT INTERNET LTD. 17488 961 62 87 Hathway IP Over Cable Interne 4134 863 11761 311 CHINANET-BACKBONE 4766 841 5494 340 Korea Telecom (KIX) 23577 817 34 696 Korea Telecom (ATM-MPLS) 18101 609 128 65 Reliance Infocom Ltd Internet 4780 596 309 46 Digital United Inc. 9829 584 449 11 BSNL National Internet Backbo 4812 546 938 84 China Telecom (Shanghai) 1221 545 1952 420 Telstra Pty Ltd 4808 530 821 125 CNCGROUP IP network: China169 4668 523 68 10 LG-EDS Systems Inc. 17676 506 10919 64 Softbank BB Corp. 7545 497 147 94 TPG Internet Pty Ltd 4802 470 128 151 Wantree Development 9443 437 121 71 Primus Telecommunications 17974 402 145 17 PT TELEKOMUNIKASI INDONESIA 7474 385 202 271 SingTel Optus Pty Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1461 6073 989 AT&T WorldNet Services 4323 1384 1012 366 Time Warner Telecom 2386 1346 633 827 AT&T Data Communications Serv 11492 1210 135 17 Cable One 6478 1101 331 121 AT&T Worldnet Services 18566 1041 296 10 Covad Communications 6197 1033 739 510 BellSouth Network Solutions, 7011 1030 300 592 Citizens Utilities 174 971 6834 813 Cogent Communications 701 900 6560 690 UUNET Technologies, Inc. 19262 877 3227 149 Verizon Global Networks 20115 866 797 471 Charter Communications 22773 844 2139 58 Cox Communications, Inc. 3356 840 10909 413 Level 3 Communications, LLC 1239 794 2672 553 Sprint 209 744 3910 596 Qwest 5668 668 177 21 CenturyTel Internet Holdings, 15270 635 193 55 PaeTec.net -a division of Pae 6517 619 151 42 Yipes Communications, Inc. 6140 606 110 155 ImpSat RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 394 1650 359 TDC Tele Danmark 3301 330 1458 301 TeliaNet Sweden 3320 319 6019 265 Deutsche Telekom AG 8452 295 188 7 TEDATA 8866 282 78 24 Bulgarian Telecommunication C 8551 279 267 42 Bezeq International 8708 272 420 240 Romania Data Systems S.A. 680 271 2046 256 DFN-IP service G-WiN 3215 270 2583 92 France Telecom Transpac 6746 270 128 248 Dynamic Network Technologies, 8220 253 422 227 COLT Telecommunications 3352 241 1948 40 Ibernet, Internet Access Netw 3269 233 3085 70 TELECOM ITALIA 5462 229 666 27 Telewest Broadband 9155 214 45 10 QualityNet AS number 3300 211 172 100 AUCS Communications Services 9121 207 1444 25 TTnet Autonomous System 1257 199 1196 182 SWIPnet Swedish IP Network 29357 199 17 4 WATANIYA TELECOM 2856 195 2307 162 BTnet UK Regional network LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1150 2390 218 UniNet S.A. de C.V. 11830 547 299 9 Instituto Costarricense de El 7303 427 208 54 Telecom Argentina Stet-France 16814 427 27 10 NSS, S.A. 11172 396 115 62 Servicios Alestra S.A de C.V 6471 394 85 39 ENTEL CHILE S.A. 10620 352 92 26 TVCABLE BOGOTA 14117 351 23 16 Telefonica del Sur S.A. 22047 322 254 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 6147 257 214 21 Telefonica Del Peru 7738 244 602 25 Telecomunicacoes da Bahia S.A 11556 237 128 5 Cable-Wireless Panama 23216 232 17 49 RAMtelecom Telecomunicaciones 28573 230 322 24 NET Servicos de Comunicao S.A 20299 227 33 30 NEWCOM AMERICAS 6503 219 180 85 AVANTEL, S.A. 10834 194 76 41 ADVANCE TELECOMUNICACIONES S. 19169 191 12 20 Telconet 21826 187 33 48 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 408 60 30 LINKdotNET AS number 3741 279 869 225 The Internet Solution 20858 202 34 3 EgyNet 6713 145 135 11 Itissalat Al-MAGHRIB 2018 142 268 114 Tertiary Education Network 33783 129 9 15 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 99 6 7 Starcomms Nigeria Limited 15475 93 84 4 Nile Online 24835 88 48 6 RAYA Telecom - Egypt 23889 78 24 16 MAURITIUS TELECOM 29571 77 13 7 Ci Telecom Autonomous system 2905 76 174 73 The Internetworking Company o 20484 71 5 4 Yalla Online Autonomous Syste 15706 58 12 4 Sudatel Internet Exchange Aut 5713 51 455 41 Telkom SA Ltd 33774 51 37 28 AS Number for Telecom Algeria 16637 47 21 28 Johnnic e-Ventures 8524 33 2 8 AUCEGYPT Autonomous System 21152 32 2 1 AS for the uplinks of Soficom Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 11492 1210 1193 Cable One 9498 1110 1049 BHARTI BT INTERNET LTD. 18566 1041 1031 Covad Communications 4323 1384 1018 Time Warner Telecom 6478 1101 980 AT&T Worldnet Services 8151 1150 932 UniNet S.A. de C.V. 17488 961 874 Hathway IP Over Cable Interne 22773 844 786 Cox Communications, Inc. 19262 877 728 Verizon Global Networks 9583 1120 681 Sify Limited 5668 668 647 CenturyTel Internet Holdings, 15270 635 580 PaeTec.net -a division of Pae 6517 619 577 Yipes Communications, Inc. 9829 584 573 BSNL National Internet Backbo 4134 863 552 CHINANET-BACKBONE 4780 596 550 Digital United Inc. 18101 609 544 Reliance Infocom Ltd Internet 11830 547 538 Instituto Costarricense de El 6197 1033 523 BellSouth Network Solutions, 19916 563 521 OLM LLC List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15190 UNALLOCATED 63.98.176.0/24 701 UUNET Technologies, 18506 UNALLOCATED 63.107.123.0/24 33286 Turlock Irrigation D 14699 UNALLOCATED 63.238.252.0/24 30517 Great Lakes Comnet, 14699 UNALLOCATED 63.238.253.0/24 30517 Great Lakes Comnet, 14699 UNALLOCATED 64.85.144.0/22 30517 Great Lakes Comnet, 33526 UNALLOCATED 64.128.26.0/24 4323 Time Warner Telecom 14699 UNALLOCATED 65.112.79.0/24 30517 Great Lakes Comnet, 21624 UNALLOCATED 65.163.176.0/24 701 UUNET Technologies, 14699 UNALLOCATED 72.35.42.0/24 30517 Great Lakes Comnet, 14699 UNALLOCATED 72.35.43.0/24 30517 Great Lakes Comnet, 14699 UNALLOCATED 72.35.44.0/22 30517 Great Lakes Comnet, 14699 UNALLOCATED 72.35.60.0/24 30517 Great Lakes Comnet, 65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA 65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA 65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA 65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA 65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA 14699 UNALLOCATED 208.25.96.0/24 30517 Great Lakes Comnet, 14699 UNALLOCATED 208.25.97.0/24 30517 Great Lakes Comnet, 21624 UNALLOCATED 208.246.136.0/24 701 UUNET Technologies, 21624 UNALLOCATED 208.248.233.0/24 701 UUNET Technologies, 14699 UNALLOCATED 209.165.242.0/23 30517 Great Lakes Comnet, Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.31.31.0/24 9730 The Best ISP to go Multimedia 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.33.1.0/24 7018 AT&T WorldNet Services 173.173.173.0/24 9730 The Best ISP to go Multimedia 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.153.136.0/21 721 DLA Systems Automation Center 192.172.0.0/19 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:9 /10:15 /11:39 /12:136 /13:275 /14:490 /15:974 /16:9750 /17:4218 /18:6957 /19:14934 /20:17118 /21:16251 /22:20453 /23:21579 /24:127936 /25:874 /26:1095 /27:552 /28:102 /29:9 /30:1 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1200 1210 Cable One 6478 1100 1101 AT&T Worldnet Services 2386 1047 1346 AT&T Data Communications Serv 18566 1022 1041 Covad Communications 9583 965 1120 Sify Limited 7011 914 1030 Citizens Utilities 4755 911 1550 Videsh Sanchar Nigam Ltd. Aut 23577 808 817 Korea Telecom (ATM-MPLS) 7018 800 1461 AT&T WorldNet Services 9498 782 1110 BHARTI BT INTERNET LTD. 6197 776 1033 BellSouth Network Solutions, 17488 776 961 Hathway IP Over Cable Interne 4766 624 841 Korea Telecom (KIX) 4323 587 1384 Time Warner Telecom 15270 587 635 PaeTec.net -a division of Pae 6517 582 619 Yipes Communications, Inc. 19916 558 563 OLM LLC 5668 524 668 CenturyTel Internet Holdings, 4668 513 523 LG-EDS Systems Inc. 18101 496 609 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:98 12:1953 13:2 15:21 16:3 17:6 18:14 20:35 22:1 24:1012 25:1 31:1 32:61 33:4 38:386 40:65 41:467 44:2 47:8 52:3 55:3 56:3 57:22 58:508 59:419 60:408 61:982 62:1056 63:1969 64:3364 65:2368 66:3624 67:1058 68:636 69:2090 70:471 71:102 72:1462 73:7 74:801 75:171 76:186 77:484 78:460 79:70 80:885 81:792 82:582 83:350 84:525 85:949 86:375 87:611 88:287 89:1095 90:42 91:945 92:72 93:54 96:2 97:7 98:36 114:1 115:1 116:494 117:247 118:62 119:98 121:408 122:664 123:265 124:779 125:1071 128:309 129:199 130:130 131:393 132:68 133:9 134:188 135:36 136:216 137:97 138:156 139:81 140:495 141:106 142:377 143:266 144:322 145:51 146:334 147:130 148:485 149:178 150:118 151:139 152:94 153:130 154:11 155:284 156:198 157:250 158:164 159:215 160:212 161:96 162:198 163:185 164:560 165:417 166:292 167:308 168:564 169:132 170:430 171:28 172:3 173:1 189:143 190:1312 192:5754 193:4083 194:3241 195:2314 196:961 198:3787 199:3192 200:5431 201:1273 202:7508 203:7919 204:3971 205:2062 206:2432 207:2739 208:3118 209:3636 210:2636 211:1023 212:1287 213:1588 214:444 215:47 216:4136 217:1216 218:336 219:398 220:1006 221:413 222:300 End of report
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