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Routing Table Report 04:00 +10GMT Fri 03 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 180477 Prefixes after maximum aggregation: 100796 Unique aggregates announced to Internet: 88151 Total ASes present in the Internet Routing Table: 21422 Origin-only ASes present in the Internet Routing Table: 18628 Origin ASes announcing only one prefix: 8837 Transit ASes present in the Internet Routing Table: 2794 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: 23 Prefixes from unregistered ASNs in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1487063328 Equivalent to 88 /8s, 162 /16s and 201 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 87635
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37885 Total APNIC prefixes after maximum aggregation: 16006 Prefixes being announced from the APNIC address blocks: 35657 Unique aggregates announced from the APNIC address blocks: 17427 APNIC Region origin ASes present in the Internet Routing Table: 2459 APNIC Region origin ASes announcing only one prefix: 688 APNIC Region transit ASes present in the Internet Routing Table: 381 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 211675616 Equivalent to 12 /8s, 157 /16s and 233 /24s Percentage of available APNIC address space announced: 66.2
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: 94918 Total ARIN prefixes after maximum aggregation: 56468 Prefixes being announced from the ARIN address blocks: 74215 Unique aggregates announced from the ARIN address blocks: 28414 ARIN Region origin ASes present in the Internet Routing Table: 10486 ARIN Region origin ASes announcing only one prefix: 3913 ARIN Region transit ASes present in the Internet Routing Table: 971 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 285816064 Equivalent to 17 /8s, 9 /16s and 53 /24s Percentage of available ARIN address space announced: 71.0
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: 35502 Total RIPE prefixes after maximum aggregation: 23938 Prefixes being announced from the RIPE address blocks: 32534 Unique aggregates announced from the RIPE address blocks: 21916 RIPE Region origin ASes present in the Internet Routing Table: 7592 RIPE Region origin ASes announcing only one prefix: 3974 RIPE Region transit ASes present in the Internet Routing Table: 1257 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 230651776 Equivalent to 13 /8s, 191 /16s and 119 /24s Percentage of available RIPE address space announced: 68.7
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: 10297 Total LACNIC prefixes after maximum aggregation: 3508 Prefixes being announced from the LACNIC address blocks: 8496 Unique aggregates announced from the LACNIC address blocks: 5305 LACNIC Region origin ASes present in the Internet Routing Table: 667 LACNIC Region origin ASes announcing only one prefix: 218 LACNIC Region transit ASes present in the Internet Routing Table: 121 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 25048064 Equivalent to 1 /8s, 126 /16s and 52 /24s Percentage of available LACNIC address space announced: 37.3
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: 1867 Total AfriNIC prefixes after maximum aggregation: 876 Prefixes being announced from the AfriNIC address blocks: 1233 Unique aggregates announced from the AfriNIC address blocks: 871 AfriNIC Region origin ASes present in the Internet Routing Table: 145 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3041280 Equivalent to 0 /8s, 46 /16s and 104 /24s Percentage of available AfriNIC address space announced: 9.1
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 982 6462 204 CHINANET-BACKBONE 9583 851 109 15 Sify Limited 4755 800 258 63 Videsh Sanchar Nigam Ltd. Aut 4766 710 3927 301 Korea Telecom (KIX) 1221 668 1428 476 Telstra Pty Ltd 7545 516 108 70 TPG Internet Pty Ltd 9498 516 211 70 BHARTI BT INTERNET LTD. 17676 480 6949 104 Softbank BB Corp. 17488 449 27 7 Hathway IP Over Cable Interne 9443 411 94 85 Primus Telecommunications 4802 369 75 160 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 7474 330 227 228 SingTel Optus Pty Ltd 18101 328 68 26 Reliance Infocom Ltd Internet 17974 315 77 37 PT TELEKOMUNIKASI INDONESIA 17557 312 25 161 Pakistan Telecom 4780 282 226 16 Digital United Inc. 9837 271 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1466 6263 947 AT&T WorldNet Services 4323 1208 720 236 Time Warner Telecom 174 1033 5789 947 Cogent Communications 721 1029 21970 310 DLA Systems Automation Center 6197 985 619 457 BellSouth Network Solutions, 701 949 8064 793 UUNET Technologies, Inc. 18566 900 272 8 Covad Communications 2386 884 501 691 AT&T Data Communications Serv 1239 853 2792 602 Sprint 209 673 3606 537 Qwest 20115 673 547 352 Charter Communications 6198 635 449 238 BellSouth Network Solutions, 11492 628 81 12 Cable One 22773 615 1478 37 Cox Communications, Inc. 19262 612 1768 149 Verizon Global Networks 855 573 243 65 Canadian Research Network 852 569 1092 379 Telus Advanced Communications 19916 563 49 54 OLM LLC 3602 521 127 106 Sprint Canada, Inc. 5668 516 143 24 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 589 1954 465 UUNET - Commercial IP service 3301 304 1071 290 TeliaNet Sweden 3352 303 1500 34 Ibernet, Internet Access Netw 3320 281 3485 235 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 3246 229 487 219 Song Networks 8708 222 274 206 Romania Data Systems S.A. 6746 217 85 190 Dynamic Network Technologies, 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 177 840 125 Sonera Solution Autonomous Sy 8866 174 37 13 Bulgarian Telecommunication C 786 173 1794 173 The JANET IP Service 3215 168 1382 82 France Telecom Transpac 24863 168 38 9 LINKdotNET AS number 3300 165 171 94 AUCS Communications Services 5400 164 328 134 BT Ignite European Backbone 6830 160 669 33 UPC Distribution Services 12479 157 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 569 1048 217 UniNet S.A. de C.V. 22047 379 141 44 VTR PUNTO NET S.A. 11172 304 110 77 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 13999 187 51 26 Mega Cable S.A. de C.V. 14117 184 11 6 Telefonica del Sur S.A. 7303 155 73 19 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 118 148 79 AVANTEL, S.A. 21826 115 15 21 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 107 88 79 Global One Communicaoes Ltda 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 19429 96 52 49 E.T.B. 11311 95 8 23 Sinectis S.A. 4270 92 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 159 60 7 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 67 71 10 Itissalat Al-MAGHRIB 20928 58 16 2 Noor Advanced Technologies AS 24835 55 34 6 RAYA Telecom - Egypt 5713 38 166 34 Telkom SA Ltd 33774 37 9 28 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 12455 28 6 5 Jambonet Autonomous system 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1208 972 Time Warner Telecom 18566 900 892 Covad Communications 9583 851 836 Sify Limited 4134 982 778 CHINANET-BACKBONE 4755 800 737 Videsh Sanchar Nigam Ltd. Aut 721 1029 719 DLA Systems Automation Center 11492 628 616 Cable One 22773 615 578 Cox Communications, Inc. 6197 985 528 BellSouth Network Solutions, 19916 563 509 OLM LLC 855 573 508 Canadian Research Network 5668 516 492 CenturyTel Internet Holdings, 19262 612 463 Verizon Global Networks 7545 516 446 TPG Internet Pty Ltd 9498 516 446 BHARTI BT INTERNET LTD. 7757 461 442 AT&T Broadband 17488 449 442 Hathway IP Over Cable Interne 3602 521 415 Sprint Canada, Inc. 812 438 410 Rogers WAVE 4766 710 409 Korea Telecom (KIX)
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
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 /12:87 /13:199 /14:346 /15:690 /16:8684 /17:2986 /18:5006 /19:11249 /20:12434 /21:10818 /22:13778 /23:14987 /24:98163 /25:331 /26:283 /27:201 /28:63 /29:24 /30:55 /31:3 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 883 900 Covad Communications 6197 782 985 BellSouth Network Solutions, 7018 747 1466 AT&T WorldNet Services 9583 669 851 Sify Limited 11492 620 628 Cable One 2386 617 884 AT&T Data Communications Serv 4323 582 1208 Time Warner Telecom 19916 557 563 OLM LLC 4766 514 710 Korea Telecom (KIX) 6198 500 635 BellSouth Network Solutions, 855 445 573 Canadian Research Network 7757 443 461 AT&T Broadband 7011 408 476 Citizens Utilities 5668 402 516 CenturyTel Internet Holdings, 702 375 589 UUNET - Commercial IP service 1239 369 853 Sprint 6517 343 369 Yipes Communications, Inc. 15270 339 367 PaeTec.net -a division of Pae 22773 320 615 Cox Communications, Inc. 812 317 438 Rogers WAVE
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:44 12:1631 13:1 15:11 16:3 17:3 18:4 20:42 24:857 25:1 30:2 32:66 38:195 40:54 44:3 47:3 52:4 55:1 56:3 57:34 58:117 59:165 60:178 61:823 62:764 63:1896 64:2967 65:2228 66:3069 67:579 68:669 69:1428 70:296 71:55 72:601 73:23 74:1 80:753 81:599 82:495 83:359 84:343 85:425 86:288 87:159 88:17 89:13 124:11 125:199 128:151 129:170 130:103 131:310 132:33 133:7 134:145 135:46 136:169 137:60 138:182 139:85 140:450 141:132 142:414 143:144 144:224 145:39 146:309 147:135 148:323 149:185 150:113 151:73 152:61 153:102 154:6 155:186 156:89 157:120 158:158 159:180 160:88 161:66 162:218 163:176 164:178 165:196 166:145 167:236 168:470 169:139 170:315 171:12 190:30 192:5757 193:3352 194:2486 195:1750 196:751 198:3895 199:3270 200:4234 201:578 202:6442 203:6756 204:3884 205:2101 206:2417 207:2923 208:2003 209:3525 210:1904 211:803 212:1286 213:1491 214:328 215:40 216:3861 217:1169 218:237 219:136 220:641 221:339 222:146
End of report
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