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 If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 Apr, 2006 Analysis Summary ---------------- BGP routing table entries examined: 187662 Prefixes after maximum aggregation: 103564 Unique aggregates announced to Internet: 91730 Total ASes present in the Internet Routing Table: 22024 Origin-only ASes present in the Internet Routing Table: 19168 Origin ASes announcing only one prefix: 9112 Transit ASes present in the Internet Routing Table: 2856 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1531037600 Equivalent to 91 /8s, 65 /16s and 199 /24s Percentage of available address space announced: 41.3 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 92560 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 39444 Total APNIC prefixes after maximum aggregation: 16495 Prefixes being announced from the APNIC address blocks: 37144 Unique aggregates announced from the APNIC address blocks: 18237 APNIC Region origin ASes present in the Internet Routing Table: 2544 APNIC Region origin ASes announcing only one prefix: 715 APNIC Region transit ASes present in the Internet Routing Table: 390 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 224866528 Equivalent to 13 /8s, 103 /16s and 48 /24s Percentage of available APNIC address space announced: 70.3 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, 121/8, 122/7, 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: 97490 Total ARIN prefixes after maximum aggregation: 57569 Prefixes being announced from the ARIN address blocks: 71609 Unique aggregates announced from the ARIN address blocks: 26260 ARIN Region origin ASes present in the Internet Routing Table: 10653 ARIN Region origin ASes announcing only one prefix: 3984 ARIN Region transit ASes present in the Internet Routing Table: 982 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 288908288 Equivalent to 17 /8s, 56 /16s and 100 /24s Percentage of available ARIN address space announced: 74.9 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 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 37378 Total RIPE prefixes after maximum aggregation: 24958 Prefixes being announced from the RIPE address blocks: 34408 Unique aggregates announced from the RIPE address blocks: 23164 RIPE Region origin ASes present in the Internet Routing Table: 7926 RIPE Region origin ASes announcing only one prefix: 4142 RIPE Region transit ASes present in the Internet Routing Table: 1301 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 247025088 Equivalent to 14 /8s, 185 /16s and 77 /24s Percentage of available RIPE address space announced: 77.5 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 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 11217 Total LACNIC prefixes after maximum aggregation: 3641 Prefixes being announced from the LACNIC address blocks: 9325 Unique aggregates announced from the LACNIC address blocks: 5400 LACNIC Region origin ASes present in the Internet Routing Table: 682 LACNIC Region origin ASes announcing only one prefix: 223 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 26742272 Equivalent to 1 /8s, 152 /16s and 14 /24s Percentage of available LACNIC address space announced: 39.8 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 2131 Total AfriNIC prefixes after maximum aggregation: 901 Prefixes being announced from the AfriNIC address blocks: 1457 Unique aggregates announced from the AfriNIC address blocks: 948 AfriNIC Region origin ASes present in the Internet Routing Table: 155 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4057344 Equivalent to 0 /8s, 61 /16s and 233 /24s Percentage of available AfriNIC address space announced: 12.1 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 4134 1124 7073 221 CHINANET-BACKBONE 9583 896 109 16 Sify Limited 4755 768 257 66 Videsh Sanchar Nigam Ltd. Aut 4766 680 4436 307 Korea Telecom (KIX) 1221 617 1556 472 Telstra Pty Ltd 9498 576 212 72 BHARTI BT INTERNET LTD. 7545 527 108 69 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 486 7029 108 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 4802 382 81 176 Wantree Development 17849 346 22 113 Telecommunications Technology 18101 340 69 18 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 17557 326 27 158 Pakistan Telecom 9929 323 221 57 China Netcom Corp. 17974 307 120 28 PT TELEKOMUNIKASI INDONESIA 7474 298 211 228 SingTel Optus Pty Ltd 9800 274 410 67 CHINA UNICOM 9837 265 78 158 Powertel Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1503 6252 977 AT&T WorldNet Services 4323 1289 732 252 Time Warner Telecom 6197 1008 618 472 BellSouth Network Solutions, 721 1004 21945 305 DLA Systems Automation Center 174 962 5787 909 Cogent Communications 19029 953 151 111 New Edge Networks 18566 936 272 8 Covad Communications 701 933 8030 773 UUNET Technologies, Inc. 2386 876 537 668 AT&T Data Communications Serv 1239 844 2804 597 Sprint 209 717 3616 559 Qwest 19262 691 2021 162 Verizon Global Networks 20115 680 595 362 Charter Communications 22773 654 1737 44 Cox Communications, Inc. 7011 632 217 413 Citizens Utilities 11492 629 86 20 Cable One 852 582 1085 384 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 550 244 63 Canadian Research Network 3602 538 127 109 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 580 1951 456 UUNET - Commercial IP service 3352 310 1612 29 Ibernet, Internet Access Netw 3301 309 1072 294 TeliaNet Sweden 3320 289 3989 239 Deutsche Telekom AG 8220 289 474 267 COLT Telecommunications 680 245 2025 242 DFN-IP service G-WiN 3246 231 504 221 Song Networks 6746 226 88 201 Dynamic Network Technologies, 8708 218 276 201 Romania Data Systems S.A. 24863 207 40 9 LINKdotNET AS number 8551 202 198 24 Bezeq International 1257 196 742 170 SWIPnet Swedish IP Network 3215 196 1662 93 France Telecom Transpac 3269 196 2070 73 TELECOM ITALIA 8866 181 37 16 Bulgarian Telecommunication C 786 171 1778 171 The JANET IP Service 5400 171 363 140 BT Ignite European Backbone 6830 169 765 35 UPC Distribution Services 9121 168 931 27 TTnet Autonomous System 30890 163 15 62 SC Kappa Invexim SRL LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 701 1067 227 UniNet S.A. de C.V. 22047 408 158 11 VTR PUNTO NET S.A. 11172 323 110 84 Servicios Alestra S.A de C.V 16814 316 20 8 NSS, S.A. 6147 261 124 23 Telefonica Del Peru 14117 205 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 160 75 18 Telecom Argentina Stet-France 21826 133 16 19 INTERCABLE 5639 132 12 9 Telecommunications Services o 11556 132 80 4 Cable-Wireless Panama 6503 127 149 79 AVANTEL, S.A. 19169 126 8 24 Telconet 14259 114 10 12 GTD Internet S.A. 23216 109 21 9 RAMtelecom Telecomunicaciones 6505 106 88 78 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 19429 103 58 44 E.T.B. 14522 99 13 7 SatNet S.A. 14571 97 25 3 Internet Group do Brasil AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 803 233 The Internet Solution 8452 170 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 123 314 104 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 117 50 7 RAYA Telecom - Egypt 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 73 155 66 The Internetworking Company o 15475 57 84 4 Nile Online 20928 57 16 2 Noor Advanced Technologies AS 12455 42 6 7 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 20 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 Johnnic e-Ventures 23889 23 6 16 MAURITIUS TELECOM 10798 22 1 13 Standard Bank of South Africa 2561 19 6 2 Egyptian Universities Network 21491 19 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1289 1037 Time Warner Telecom 18566 936 928 Covad Communications 4134 1124 903 CHINANET-BACKBONE 9583 896 880 Sify Limited 19029 953 842 New Edge Networks 4755 768 702 Videsh Sanchar Nigam Ltd. Aut 721 1004 699 DLA Systems Automation Center 22773 654 610 Cox Communications, Inc. 11492 629 609 Cable One 6197 1008 536 BellSouth Network Solutions, 19262 691 529 Verizon Global Networks 19916 563 509 OLM LLC 9498 576 504 BHARTI BT INTERNET LTD. 5668 533 503 CenturyTel Internet Holdings, 17488 501 494 Hathway IP Over Cable Interne 855 550 487 Canadian Research Network 8151 701 474 UniNet S.A. de C.V. 7545 527 458 TPG Internet Pty Ltd 7757 477 458 AT&T Broadband 3602 538 429 Sprint Canada, Inc. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65241 PRIVATE 65.90.71.0/24 10794 Bank of America 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 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 /8:18 /9:9 /10:9 /11:28 /12:89 /13:199 /14:361 /15:701 /16:8816 /17:3192 /18:5247 /19:11601 /20:13076 /21:11333 /22:14521 /23:15601 /24:101786 /25:382 /26:272 /27:225 /28:61 /29:70 /30:35 /31:0 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 919 936 Covad Communications 19029 884 953 New Edge Networks 6197 797 1008 BellSouth Network Solutions, 7018 797 1503 AT&T WorldNet Services 9583 724 896 Sify Limited 4323 631 1289 Time Warner Telecom 11492 620 629 Cable One 2386 596 876 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 541 632 Citizens Utilities 4766 490 680 Korea Telecom (KIX) 7757 459 477 AT&T Broadband 855 425 550 Canadian Research Network 5668 414 533 CenturyTel Internet Holdings, 1239 380 844 Sprint 15270 376 407 PaeTec.net -a division of Pae 702 360 580 UUNET - Commercial IP service 6198 356 505 BellSouth Network Solutions, 6517 354 384 Yipes Communications, Inc. 17849 346 346 Telecommunications Technology Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 8:40 12:1629 13:1 15:12 16:3 17:3 18:4 20:43 24:887 25:1 30:2 32:58 38:208 40:54 41:1 44:3 45:2 47:6 52:4 55:1 56:3 57:31 58:150 59:185 60:177 61:831 62:765 63:1929 64:3158 65:2209 66:3091 67:598 68:677 69:1486 70:327 71:77 72:678 73:23 74:30 80:786 81:631 82:601 83:376 84:377 85:530 86:385 87:323 88:75 89:160 124:253 125:373 128:165 129:181 130:108 131:320 132:32 133:8 134:157 135:46 136:178 137:71 138:198 139:67 140:465 141:133 142:384 143:164 144:222 145:43 146:324 147:138 148:330 149:186 150:114 151:81 152:64 153:107 154:6 155:196 156:97 157:141 158:168 159:167 160:87 161:74 162:252 163:145 164:179 165:194 166:163 167:246 168:483 169:134 170:331 171:13 183:1 190:58 192:5775 193:3351 194:2597 195:1830 196:850 198:3906 199:3245 200:4430 201:911 202:6608 203:6823 204:3881 205:2090 206:2409 207:2936 208:2064 209:3795 210:1914 211:691 212:1260 213:1463 214:350 215:41 216:4103 217:1170 218:272 219:181 220:655 221:358 222:147 End of report