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Routing Table Report 04:00 +10GMT Fri 24 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184807 Prefixes after maximum aggregation: 102395 Unique aggregates announced to Internet: 89894 Total ASes present in the Internet Routing Table: 21801 Origin-only ASes present in the Internet Routing Table: 18938 Origin ASes announcing only one prefix: 9019 Transit ASes present in the Internet Routing Table: 2863 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 24 Prefixes from unregistered ASNs in the Routing Table: 77 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1513667904 Equivalent to 90 /8s, 56 /16s and 189 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90474
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38938 Total APNIC prefixes after maximum aggregation: 16311 Prefixes being announced from the APNIC address blocks: 36730 Unique aggregates announced from the APNIC address blocks: 17780 APNIC Region origin ASes present in the Internet Routing Table: 2518 APNIC Region origin ASes announcing only one prefix: 710 APNIC Region transit ASes present in the Internet Routing Table: 395 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 218058432 Equivalent to 12 /8s, 255 /16s and 78 /24s Percentage of available APNIC address space announced: 68.2
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: 96595 Total ARIN prefixes after maximum aggregation: 57115 Prefixes being announced from the ARIN address blocks: 75792 Unique aggregates announced from the ARIN address blocks: 28918 ARIN Region origin ASes present in the Internet Routing Table: 10598 ARIN Region origin ASes announcing only one prefix: 3964 ARIN Region transit ASes present in the Internet Routing Table: 975 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293021952 Equivalent to 17 /8s, 119 /16s and 41 /24s Percentage of available ARIN address space announced: 72.8
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: 36743 Total RIPE prefixes after maximum aggregation: 24530 Prefixes being announced from the RIPE address blocks: 33770 Unique aggregates announced from the RIPE address blocks: 22773 RIPE Region origin ASes present in the Internet Routing Table: 7794 RIPE Region origin ASes announcing only one prefix: 4083 RIPE Region transit ASes present in the Internet Routing Table: 1305 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242507264 Equivalent to 14 /8s, 116 /16s and 94 /24s Percentage of available RIPE address space announced: 72.3
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 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: 10433 Total LACNIC prefixes after maximum aggregation: 3553 Prefixes being announced from the LACNIC address blocks: 8608 Unique aggregates announced from the LACNIC address blocks: 5147 LACNIC Region origin ASes present in the Internet Routing Table: 680 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26026240 Equivalent to 1 /8s, 141 /16s and 33 /24s Percentage of available LACNIC address space announced: 38.8
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: 2015 Total AfriNIC prefixes after maximum aggregation: 886 Prefixes being announced from the AfriNIC address blocks: 1364 Unique aggregates announced from the AfriNIC address blocks: 903 AfriNIC Region origin ASes present in the Internet Routing Table: 147 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 3941376 Equivalent to 0 /8s, 60 /16s and 36 /24s Percentage of available AfriNIC address space announced: 11.7
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 993 6945 211 CHINANET-BACKBONE 4755 888 258 68 Videsh Sanchar Nigam Ltd. Aut 9583 874 109 16 Sify Limited 4766 677 3923 302 Korea Telecom (KIX) 1221 624 1428 477 Telstra Pty Ltd 9498 559 212 72 BHARTI BT INTERNET LTD. 7545 524 108 71 TPG Internet Pty Ltd 17488 513 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 373 75 169 Wantree Development 2907 336 1749 312 SINET Japan 17974 334 89 30 PT TELEKOMUNIKASI INDONESIA 9929 328 218 53 China Netcom Corp. 18101 322 68 23 Reliance Infocom Ltd Internet 17557 319 25 163 Pakistan Telecom 17849 315 20 104 Telecommunications Technology 7474 304 211 232 SingTel Optus Pty Ltd 4780 279 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1505 6265 965 AT&T WorldNet Services 4323 1238 714 243 Time Warner Telecom 721 1012 21961 306 DLA Systems Automation Center 6197 1005 620 469 BellSouth Network Solutions, 174 962 5784 909 Cogent Communications 701 945 8048 781 UUNET Technologies, Inc. 18566 923 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 854 2805 602 Sprint 19029 781 152 112 New Edge Networks 209 698 3607 541 Qwest 20115 674 591 363 Charter Communications 19262 665 1956 154 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 624 86 20 Cable One 7011 610 212 397 Citizens Utilities 6198 583 506 239 BellSouth Network Solutions, 852 577 1088 383 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 585 1951 460 UUNET - Commercial IP service 3301 307 1071 292 TeliaNet Sweden 3352 307 1564 31 Ibernet, Internet Access Netw 8220 288 473 267 COLT Telecommunications 3320 280 3477 231 Deutsche Telekom AG 680 243 2025 240 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 228 89 200 Dynamic Network Technologies, 8708 217 276 202 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 194 2085 75 TELECOM ITALIA 3215 186 1542 88 France Telecom Transpac 786 172 1778 172 The JANET IP Service 8866 170 37 14 Bulgarian Telecommunication C 5400 167 328 136 BT Ignite European Backbone 6830 166 765 35 UPC Distribution Services 9121 162 931 27 TTnet Autonomous System 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 600 1051 227 UniNet S.A. de C.V. 22047 384 142 10 VTR PUNTO NET S.A. 11172 314 107 81 Servicios Alestra S.A de C.V 16814 276 18 7 NSS, S.A. 14117 185 12 6 Telefonica del Sur S.A. 7303 160 75 21 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 19169 124 8 30 Telconet 6503 123 149 76 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 23216 100 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 19429 95 52 42 E.T.B. 4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 803 233 The Internet Solution 8452 162 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 124 314 105 Tertiary Education Network 15475 123 84 4 Nile Online 5536 121 8 18 Internet Egypt Network 24835 79 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 20 13 17 SONATEL-AS Autonomous System 21280 20 5 5 Swift Global Kenya Ltd.Is an 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1238 995 Time Warner Telecom 18566 923 915 Covad Communications 9583 874 858 Sify Limited 4755 888 820 Videsh Sanchar Nigam Ltd. Aut 4134 993 782 CHINANET-BACKBONE 721 1012 706 DLA Systems Automation Center 19029 781 669 New Edge Networks 11492 624 604 Cable One 22773 641 601 Cox Communications, Inc. 6197 1005 536 BellSouth Network Solutions, 19262 665 511 Verizon Global Networks 19916 563 509 OLM LLC 17488 513 506 Hathway IP Over Cable Interne 5668 524 499 CenturyTel Internet Holdings, 9498 559 487 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7757 473 454 AT&T Broadband 7545 524 453 TPG Internet Pty Ltd 3602 538 429 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.19.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.23.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
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 192.72.0.0/18 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 /9:9 /10:8 /11:26 /12:87 /13:198 /14:353 /15:694 /16:8756 /17:3129 /18:5150 /19:11439 /20:12839 /21:11070 /22:14184 /23:15319 /24:100565 /25:341 /26:248 /27:219 /28:63 /29:25 /30:35 /31:0 /32:32
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 906 923 Covad Communications 7018 798 1505 AT&T WorldNet Services 6197 794 1005 BellSouth Network Solutions, 19029 709 781 New Edge Networks 9583 693 874 Sify Limited 11492 615 624 Cable One 4323 600 1238 Time Warner Telecom 2386 594 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 522 610 Citizens Utilities 4766 486 677 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 441 583 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 404 524 CenturyTel Internet Holdings, 1239 381 854 Sprint 702 368 585 UUNET - Commercial IP service 15270 362 392 PaeTec.net -a division of Pae 6517 347 377 Yipes Communications, Inc. 22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:38 12:1618 13:1 15:12 16:3 17:3 18:4 20:43 24:871 25:1 30:2 32:67 38:206 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:148 59:187 60:178 61:827 62:808 63:1919 64:3107 65:2226 66:3072 67:613 68:678 69:1431 70:311 71:63 72:649 73:23 74:26 80:754 81:615 82:543 83:374 84:363 85:490 86:376 87:258 88:48 89:95 124:194 125:282 128:158 129:174 130:108 131:318 132:33 133:8 134:150 135:47 136:175 137:67 138:191 139:73 140:489 141:137 142:393 143:156 144:232 145:40 146:321 147:134 148:335 149:188 150:114 151:79 152:64 153:107 154:6 155:194 156:95 157:119 158:166 159:166 160:86 161:70 162:218 163:145 164:179 165:180 166:147 167:238 168:477 169:135 170:321 171:12 172:1 183:1 190:37 192:5761 193:3407 194:2557 195:1796 196:773 198:3878 199:3262 200:4279 201:663 202:6564 203:6898 204:3926 205:2092 206:2424 207:2934 208:2027 209:3698 210:1932 211:816 212:1246 213:1467 214:341 215:42 216:4084 217:1160 218:257 219:179 220:651 221:373 222:160
End of report
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