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Routing Table Report 04:00 +10GMT Wed 04 Jan, 2006
Analysis Summary ----------------
BGP routing table entries examined: 177401 Prefixes after maximum aggregation: 99764 Unique aggregates announced to Internet: 86161 Total ASes present in the Internet Routing Table: 21276 Origin-only ASes present in the Internet Routing Table: 18513 Origin ASes announcing only one prefix: 8784 Transit ASes present in the Internet Routing Table: 2763 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1476250304 Equivalent to 87 /8s, 253 /16s and 202 /24s Percentage of available address space announced: 39.8 Percentage of allocated address space announced: 60.0 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 85423
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37237 Total APNIC prefixes after maximum aggregation: 15787 Prefixes being announced from the APNIC address blocks: 35022 Unique aggregates announced from the APNIC address blocks: 17126 APNIC Region origin ASes present in the Internet Routing Table: 2457 APNIC Region origin ASes announcing only one prefix: 700 APNIC Region transit ASes present in the Internet Routing Table: 375 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 208831680 Equivalent to 12 /8s, 114 /16s and 132 /24s Percentage of available APNIC address space announced: 77.5
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, 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: 93347 Total ARIN prefixes after maximum aggregation: 56111 Prefixes being announced from the ARIN address blocks: 72729 Unique aggregates announced from the ARIN address blocks: 27856 ARIN Region origin ASes present in the Internet Routing Table: 10409 ARIN Region origin ASes announcing only one prefix: 3872 ARIN Region transit ASes present in the Internet Routing Table: 958 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 281230336 Equivalent to 16 /8s, 195 /16s and 60 /24s Percentage of available ARIN address space announced: 69.8
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, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 34857 Total RIPE prefixes after maximum aggregation: 23612 Prefixes being announced from the RIPE address blocks: 31824 Unique aggregates announced from the RIPE address blocks: 21437 RIPE Region origin ASes present in the Internet Routing Table: 7528 RIPE Region origin ASes announcing only one prefix: 3952 RIPE Region transit ASes present in the Internet Routing Table: 1238 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 228964416 Equivalent to 13 /8s, 165 /16s and 184 /24s Percentage of available RIPE address space announced: 68.2
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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 10120 Total LACNIC prefixes after maximum aggregation: 3393 Prefixes being announced from the LACNIC address blocks: 8354 Unique aggregates announced from the LACNIC address blocks: 4817 LACNIC Region origin ASes present in the Internet Routing Table: 661 LACNIC Region origin ASes announcing only one prefix: 212 LACNIC Region transit ASes present in the Internet Routing Table: 125 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 23482880 Equivalent to 1 /8s, 102 /16s and 82 /24s Percentage of available LACNIC address space announced: 35.0
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: 1834 Total AfriNIC prefixes after maximum aggregation: 861 Prefixes being announced from the AfriNIC address blocks: 1212 Unique aggregates announced from the AfriNIC address blocks: 827 AfriNIC Region origin ASes present in the Internet Routing Table: 146 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: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2972672 Equivalent to 0 /8s, 45 /16s and 92 /24s Percentage of available AfriNIC address space announced: 8.9
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 995 6453 206 CHINANET-BACKBONE 9583 834 77 14 Sify Limited 4755 760 258 64 Videsh Sanchar Nigam Ltd. Aut 4766 695 3930 295 Korea Telecom (KIX) 1221 662 1364 472 Telstra Pty Ltd 7545 514 108 70 TPG Internet Pty Ltd 17676 475 6853 99 Softbank BB Corp. 17488 436 26 9 Hathway IP Over Cable Interne 9498 407 211 67 BHARTI BT INTERNET LTD. 9443 399 89 85 Primus Telecommunications 4802 353 74 159 Wantree Development 2907 338 1763 315 SINET Japan 9929 332 217 50 China Netcom Corp. 7474 329 227 227 SingTel Optus Pty Ltd 18101 324 69 18 Reliance Infocom Ltd Internet 17557 308 25 162 Pakistan Telecom 17974 293 69 24 PT TELEKOMUNIKASI INDONESIA 4780 282 226 16 Digital United Inc. 9837 270 78 169 Powertel Ltd 9800 256 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1452 6311 952 AT&T WorldNet Services 4323 1200 722 235 Time Warner Telecom 174 1050 5826 968 Cogent Communications 721 1029 21935 311 DLA Systems Automation Center 701 972 8117 817 UUNET Technologies, Inc. 6197 966 434 504 BellSouth Network Solutions, 2386 912 517 685 AT&T Data Communications Serv 18566 887 240 7 Covad Communications 1239 847 2803 601 Sprint 209 663 3590 529 Qwest 20115 655 535 337 Charter Communications 11492 635 89 11 Cable One 22773 600 1478 33 Cox Communications, Inc. 19262 592 1703 145 Verizon Global Networks 852 571 1092 379 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 562 243 65 Canadian Research Network 3602 523 127 106 Sprint Canada, Inc. 3356 519 10617 399 Level 3 Communications, LLC 6478 518 1435 285 AT&T Worldnet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 590 1954 468 UUNET - Commercial IP service 3301 304 1071 290 TeliaNet Sweden 3320 285 3486 240 Deutsche Telekom AG 8220 273 474 267 COLT Telecommunications 680 244 2024 238 DFN-IP service G-WiN 3246 227 486 220 Song Networks 8708 223 274 206 Romania Data Systems S.A. 6746 204 52 176 Dynamic Network Technologies, 1257 189 712 170 SWIPnet Swedish IP Network 3269 184 1893 69 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 8866 172 37 11 Bulgarian Telecommunication C 5400 166 328 135 BT Ignite European Backbone 24863 166 38 9 LINKdotNET AS number 3215 162 1326 82 France Telecom Transpac 6830 162 669 33 UPC Distribution Services 3300 159 169 90 AUCS Communications Services 12479 157 322 5 Uni2 Autonomous System 25186 150 211 105 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 542 776 214 UniNet S.A. de C.V. 22047 380 141 43 VTR PUNTO NET S.A. 16814 293 18 6 NSS, S.A. 11172 291 108 77 Servicios Alestra S.A de C.V 14117 184 11 6 Telefonica del Sur S.A. 13999 175 52 9 Mega Cable S.A. de C.V. 7303 153 73 18 Telecom Argentina Stet-France 6147 150 118 21 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 127 8 25 Telconet 10481 121 48 8 Prima S.A. 6503 114 148 77 AVANTEL, S.A. 21826 113 14 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 107 88 80 Global One Communicaoes Ltda 11311 99 8 10 Sinectis S.A. 18822 99 8 10 TELEFONICA MANQUEHUE 14522 97 12 8 SatNet S.A. 4270 93 17 9 Red de Interconexion Universi 23216 88 23 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 272 812 230 The Internet Solution 8452 123 60 6 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 102 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 24835 65 34 6 RAYA Telecom - Egypt 20928 61 16 2 Noor Advanced Technologies AS 5713 39 167 35 Telkom SA Ltd 33774 33 4 24 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 16637 22 10 20 Johnnic e-Ventures 21280 22 4 4 Swift Global Kenya Ltd.Is an 8346 19 14 18 SONATEL-AS Autonomous System 12455 19 6 5 Jambonet Autonomous system 12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1200 965 Time Warner Telecom 18566 887 880 Covad Communications 9583 834 820 Sify Limited 4134 995 789 CHINANET-BACKBONE 721 1029 718 DLA Systems Automation Center 4755 760 696 Videsh Sanchar Nigam Ltd. Aut 11492 635 624 Cable One 22773 600 567 Cox Communications, Inc. 19916 563 509 OLM LLC 855 562 497 Canadian Research Network 5668 498 474 CenturyTel Internet Holdings, 6197 966 462 BellSouth Network Solutions, 19262 592 447 Verizon Global Networks 7545 514 444 TPG Internet Pty Ltd 17488 436 427 Hathway IP Over Cable Interne 3602 523 417 Sprint Canada, Inc. 4766 695 400 Korea Telecom (KIX) 17676 475 376 Softbank BB Corp. 6467 402 356 E.Spire Communications, Inc. 812 370 343 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s 38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s 38972 UNALLOCATED 80.251.144.0/21 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.152.0/23 28947 CJSC InT, Ekaterinbu 29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto
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 192.43.230.0/24 7575 Australian Academic and Rease 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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 /9:5 /10:8 /11:20 /12:86 /13:194 /14:346 /15:670 /16:8632 /17:2939 /18:4946 /19:11169 /20:12297 /21:10424 /22:13566 /23:14722 /24:96387 /25:338 /26:250 /27:199 /28:62 /29:26 /30:55 /31:3 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 871 887 Covad Communications 6197 782 966 BellSouth Network Solutions, 7018 719 1452 AT&T WorldNet Services 9583 655 834 Sify Limited 2386 635 912 AT&T Data Communications Serv 11492 626 635 Cable One 4323 575 1200 Time Warner Telecom 19916 557 563 OLM LLC 4766 499 695 Korea Telecom (KIX) 855 434 562 Canadian Research Network 7011 401 467 Citizens Utilities 5668 387 498 CenturyTel Internet Holdings, 702 373 590 UUNET - Commercial IP service 1239 366 847 Sprint 6198 355 498 BellSouth Network Solutions, 6517 329 355 Yipes Communications, Inc. 15270 329 356 PaeTec.net -a division of Pae 22773 310 600 Cox Communications, Inc. 13609 285 328 Choice One Communications Inc 701 281 972 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:41 12:1626 13:1 15:11 16:3 17:3 18:3 20:42 24:711 25:1 30:2 32:67 38:188 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:109 59:127 60:175 61:771 62:778 63:1892 64:2924 65:2134 66:2967 67:594 68:696 69:1322 70:262 71:41 72:515 73:11 80:695 81:570 82:507 83:346 84:335 85:419 86:245 87:125 125:147 128:149 129:167 130:101 131:305 132:33 133:1 134:151 135:45 136:162 137:63 138:178 139:92 140:445 141:136 142:403 143:146 144:225 145:39 146:310 147:135 148:347 149:189 150:109 151:71 152:115 153:98 154:6 155:183 156:90 157:119 158:152 159:176 160:87 161:67 162:245 163:175 164:165 165:171 166:148 167:237 168:471 169:142 170:312 171:12 192:5710 193:3340 194:2455 195:1694 196:737 198:3897 199:3245 200:4233 201:544 202:6382 203:6685 204:3820 205:2089 206:2406 207:2895 208:2020 209:3454 210:1857 211:800 212:1242 213:1416 214:316 215:40 216:3801 217:1160 218:234 219:129 220:639 221:327 222:137
End of report
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