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Routing Table Report 04:00 +10GMT Sun 26 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184829 Prefixes after maximum aggregation: 102420 Unique aggregates announced to Internet: 89990 Total ASes present in the Internet Routing Table: 21792 Origin-only ASes present in the Internet Routing Table: 18931 Origin ASes announcing only one prefix: 9004 Transit ASes present in the Internet Routing Table: 2861 Transit-only ASes present in the Internet Routing Table: 67 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: 11 Number of addresses announced to Internet: 1514392800 Equivalent to 90 /8s, 67 /16s and 204 /24s Percentage of available address space announced: 40.9 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90513
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38917 Total APNIC prefixes after maximum aggregation: 16297 Prefixes being announced from the APNIC address blocks: 36714 Unique aggregates announced from the APNIC address blocks: 17899 APNIC Region origin ASes present in the Internet Routing Table: 2518 APNIC Region origin ASes announcing only one prefix: 708 APNIC Region transit ASes present in the Internet Routing Table: 393 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 218983136 Equivalent to 13 /8s, 13 /16s and 106 /24s Percentage of available APNIC address space announced: 68.5
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, 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: 96577 Total ARIN prefixes after maximum aggregation: 57105 Prefixes being announced from the ARIN address blocks: 75808 Unique aggregates announced from the ARIN address blocks: 28934 ARIN Region origin ASes present in the Internet Routing Table: 10590 ARIN Region origin ASes announcing only one prefix: 3951 ARIN Region transit ASes present in the Internet Routing Table: 976 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293221120 Equivalent to 17 /8s, 122 /16s and 51 /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: 36706 Total RIPE prefixes after maximum aggregation: 24546 Prefixes being announced from the RIPE address blocks: 33742 Unique aggregates announced from the RIPE address blocks: 22729 RIPE Region origin ASes present in the Internet Routing Table: 7793 RIPE Region origin ASes announcing only one prefix: 4080 RIPE Region transit ASes present in the Internet Routing Table: 1303 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242620544 Equivalent to 14 /8s, 118 /16s and 24 /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: 10521 Total LACNIC prefixes after maximum aggregation: 3586 Prefixes being announced from the LACNIC address blocks: 8688 Unique aggregates announced from the LACNIC address blocks: 5161 LACNIC Region origin ASes present in the Internet Routing Table: 678 LACNIC Region origin ASes announcing only one prefix: 221 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: 26076416 Equivalent to 1 /8s, 141 /16s and 229 /24s Percentage of available LACNIC address space announced: 38.9
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: 2025 Total AfriNIC prefixes after maximum aggregation: 886 Prefixes being announced from the AfriNIC address blocks: 1368 Unique aggregates announced from the AfriNIC address blocks: 901 AfriNIC Region origin ASes present in the Internet Routing Table: 148 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3944960 Equivalent to 0 /8s, 60 /16s and 50 /24s Percentage of available AfriNIC address space announced: 11.8
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 994 6945 211 CHINANET-BACKBONE 4755 888 258 67 Videsh Sanchar Nigam Ltd. Aut 9583 875 109 16 Sify Limited 4766 676 3923 301 Korea Telecom (KIX) 1221 618 1428 474 Telstra Pty Ltd 9498 558 212 72 BHARTI BT INTERNET LTD. 7545 524 108 71 TPG Internet Pty Ltd 17488 499 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 331 89 32 PT TELEKOMUNIKASI INDONESIA 18101 324 68 23 Reliance Infocom Ltd Internet 9929 318 218 53 China Netcom Corp. 17557 317 25 162 Pakistan Telecom 17849 317 20 105 Telecommunications Technology 7474 305 211 232 SingTel Optus Pty Ltd 4780 280 226 16 Digital United Inc. 9837 270 77 166 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1506 6264 965 AT&T WorldNet Services 4323 1241 714 245 Time Warner Telecom 721 1010 21962 307 DLA Systems Automation Center 6197 1005 620 469 BellSouth Network Solutions, 174 960 5784 907 Cogent Communications 701 945 8048 781 UUNET Technologies, Inc. 18566 923 272 8 Covad Communications 2386 874 520 664 AT&T Data Communications Serv 1239 854 2805 602 Sprint 19029 783 152 112 New Edge Networks 209 698 3607 541 Qwest 20115 675 591 364 Charter Communications 19262 664 1964 155 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 624 86 20 Cable One 7011 611 212 398 Citizens Utilities 6198 583 506 239 BellSouth Network Solutions, 852 576 1088 385 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 702 584 1951 459 UUNET - Commercial IP service 3301 307 1071 292 TeliaNet Sweden 3352 307 1564 31 Ibernet, Internet Access Netw 8220 289 473 268 COLT Telecommunications 3320 278 3476 230 Deutsche Telekom AG 680 243 2025 240 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 230 89 202 Dynamic Network Technologies, 8708 216 276 201 Romania Data Systems S.A. 8551 201 196 26 Bezeq International 24863 201 40 10 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 194 2085 75 TELECOM ITALIA 3215 186 1542 88 France Telecom Transpac 9121 175 931 27 TTnet Autonomous System 786 171 1778 171 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 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 599 1051 226 UniNet S.A. de C.V. 22047 384 142 10 VTR PUNTO NET S.A. 11172 320 110 83 Servicios Alestra S.A de C.V 16814 279 18 7 NSS, S.A. 14117 185 12 6 Telefonica del Sur S.A. 7303 157 75 18 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 122 8 32 Telconet 6503 121 149 75 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 21826 121 16 20 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 276 803 232 The Internet Solution 8452 165 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 124 314 105 Tertiary Education Network 15475 122 84 4 Nile Online 5536 121 8 18 Internet Egypt Network 24835 83 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 38 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 7 20 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 1241 996 Time Warner Telecom 18566 923 915 Covad Communications 9583 875 859 Sify Limited 4755 888 821 Videsh Sanchar Nigam Ltd. Aut 4134 994 783 CHINANET-BACKBONE 721 1010 703 DLA Systems Automation Center 19029 783 671 New Edge Networks 11492 624 604 Cable One 22773 641 601 Cox Communications, Inc. 6197 1005 536 BellSouth Network Solutions, 19262 664 509 Verizon Global Networks 19916 563 509 OLM LLC 5668 526 501 CenturyTel Internet Holdings, 17488 499 492 Hathway IP Over Cable Interne 9498 558 486 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7757 473 454 AT&T Broadband 7545 524 453 TPG Internet Pty Ltd 3602 537 428 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 192.172.0.0/19 721 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 /11:27 /12:87 /13:199 /14:353 /15:695 /16:8764 /17:3145 /18:5153 /19:11438 /20:12846 /21:11084 /22:14184 /23:15313 /24:100500 /25:347 /26:248 /27:218 /28:66 /29:57 /30:36 /31:0 /32:34
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 906 923 Covad Communications 7018 800 1506 AT&T WorldNet Services 6197 794 1005 BellSouth Network Solutions, 19029 710 783 New Edge Networks 9583 694 875 Sify Limited 11492 615 624 Cable One 4323 599 1241 Time Warner Telecom 2386 598 874 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 523 611 Citizens Utilities 4766 485 676 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 441 583 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 406 526 CenturyTel Internet Holdings, 1239 380 854 Sprint 702 368 584 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 38:204 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:149 59:190 60:177 61:828 62:806 63:1918 64:3115 65:2225 66:3067 67:614 68:678 69:1430 70:314 71:63 72:648 73:23 74:26 80:752 81:611 82:547 83:372 84:361 85:493 86:390 87:259 88:48 89:96 124:195 125:283 128:159 129:174 130:108 131:319 132:33 133:8 134:150 135:47 136:169 137:68 138:194 139:75 140:471 141:137 142:393 143:157 144:232 145:40 146:324 147:133 148:334 149:190 150:114 151:79 152:64 153:107 154:6 155:195 156:98 157:120 158:165 159:166 160:87 161:69 162:218 163:143 164:172 165:180 166:146 167:238 168:478 169:134 170:320 171:12 172:1 183:1 190:35 192:5751 193:3392 194:2543 195:1795 196:775 198:3870 199:3258 200:4294 201:669 202:6558 203:6861 204:3937 205:2088 206:2427 207:2928 208:2034 209:3695 210:1927 211:816 212:1242 213:1474 214:339 215:42 216:4086 217:1160 218:257 219:180 220:654 221:373 222:160
End of report
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