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Routing Table Report 04:00 +10GMT Wed 08 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 181497 Prefixes after maximum aggregation: 100938 Unique aggregates announced to Internet: 88224 Total ASes present in the Internet Routing Table: 21459 Origin-only ASes present in the Internet Routing Table: 18639 Origin ASes announcing only one prefix: 8852 Transit ASes present in the Internet Routing Table: 2820 Transit-only ASes present in the Internet Routing Table: 73 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: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1489063328 Equivalent to 88 /8s, 193 /16s and 77 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88387
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37958 Total APNIC prefixes after maximum aggregation: 16035 Prefixes being announced from the APNIC address blocks: 35722 Unique aggregates announced from the APNIC address blocks: 17468 APNIC Region origin ASes present in the Internet Routing Table: 2460 APNIC Region origin ASes announcing only one prefix: 687 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: 212096736 Equivalent to 12 /8s, 164 /16s and 86 /24s Percentage of available APNIC address space announced: 66.3
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: 95677 Total ARIN prefixes after maximum aggregation: 56502 Prefixes being announced from the ARIN address blocks: 75063 Unique aggregates announced from the ARIN address blocks: 28377 ARIN Region origin ASes present in the Internet Routing Table: 10493 ARIN Region origin ASes announcing only one prefix: 3924 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: 17 Number of ARIN addresses announced to Internet: 286932224 Equivalent to 17 /8s, 26 /16s and 61 /24s Percentage of available ARIN address space announced: 71.3
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: 35645 Total RIPE prefixes after maximum aggregation: 24042 Prefixes being announced from the RIPE address blocks: 32674 Unique aggregates announced from the RIPE address blocks: 22017 RIPE Region origin ASes present in the Internet Routing Table: 7618 RIPE Region origin ASes announcing only one prefix: 3979 RIPE Region transit ASes present in the Internet Routing Table: 1276 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 231617408 Equivalent to 13 /8s, 206 /16s and 51 /24s Percentage of available RIPE address space announced: 69.0
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: 10337 Total LACNIC prefixes after maximum aggregation: 3485 Prefixes being announced from the LACNIC address blocks: 8532 Unique aggregates announced from the LACNIC address blocks: 5133 LACNIC Region origin ASes present in the Internet Routing Table: 670 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 123 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 25081856 Equivalent to 1 /8s, 126 /16s and 184 /24s Percentage of available LACNIC address space announced: 37.4
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: 1874 Total AfriNIC prefixes after maximum aggregation: 874 Prefixes being announced from the AfriNIC address blocks: 1233 Unique aggregates announced from the AfriNIC address blocks: 870 AfriNIC Region origin ASes present in the Internet Routing Table: 146 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: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3106304 Equivalent to 0 /8s, 47 /16s and 102 /24s Percentage of available AfriNIC address space announced: 9.3
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 984 6480 204 CHINANET-BACKBONE 9583 850 109 16 Sify Limited 4755 807 258 64 Videsh Sanchar Nigam Ltd. Aut 4766 710 3927 301 Korea Telecom (KIX) 1221 667 1412 474 Telstra Pty Ltd 9498 524 211 73 BHARTI BT INTERNET LTD. 7545 515 108 70 TPG Internet Pty Ltd 17676 480 6949 104 Softbank BB Corp. 17488 451 27 7 Hathway IP Over Cable Interne 9443 411 94 85 Primus Telecommunications 4802 366 75 157 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 7474 329 211 227 SingTel Optus Pty Ltd 18101 325 68 26 Reliance Infocom Ltd Internet 17974 317 77 38 PT TELEKOMUNIKASI INDONESIA 17557 311 25 161 Pakistan Telecom 4780 282 226 16 Digital United Inc. 9837 273 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 1471 6264 952 AT&T WorldNet Services 4323 1211 720 238 Time Warner Telecom 174 1028 5788 941 Cogent Communications 721 1022 21954 309 DLA Systems Automation Center 6197 986 595 475 BellSouth Network Solutions, 19029 976 152 114 New Edge Networks 701 951 8064 793 UUNET Technologies, Inc. 18566 903 272 8 Covad Communications 2386 888 505 665 AT&T Data Communications Serv 1239 855 2792 614 Sprint 209 681 3606 537 Qwest 20115 662 564 354 Charter Communications 6198 636 449 238 BellSouth Network Solutions, 11492 628 81 12 Cable One 22773 621 1479 38 Cox Communications, Inc. 19262 620 1769 150 Verizon Global Networks 855 573 243 65 Canadian Research Network 852 572 1092 381 Telus Advanced Communications 19916 563 49 54 OLM LLC 3602 521 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 591 1955 467 UUNET - Commercial IP service 3301 305 1071 290 TeliaNet Sweden 3352 302 1484 33 Ibernet, Internet Access Netw 3320 280 3477 234 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 3246 228 487 219 Song Networks 8708 222 274 205 Romania Data Systems S.A. 6746 218 85 191 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 786 173 1794 173 The JANET IP Service 8866 173 37 13 Bulgarian Telecommunication C 3215 171 1406 84 France Telecom Transpac 24863 168 38 9 LINKdotNET AS number 5400 165 328 135 BT Ignite European Backbone 3300 164 170 93 AUCS Communications Services 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 568 1048 217 UniNet S.A. de C.V. 22047 383 142 10 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 183 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 116 148 77 AVANTEL, S.A. 21826 115 15 21 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 11311 95 8 23 Sinectis S.A. 4270 92 17 9 Red de Interconexion Universi 23216 91 23 10 RAMtelecom Telecomunicaciones
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 68 71 10 Itissalat Al-MAGHRIB 20928 58 16 2 Noor Advanced Technologies AS 24835 57 50 7 RAYA Telecom - Egypt 5713 38 166 34 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 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 1211 973 Time Warner Telecom 18566 903 895 Covad Communications 19029 976 862 New Edge Networks 9583 850 834 Sify Limited 4134 984 780 CHINANET-BACKBONE 4755 807 743 Videsh Sanchar Nigam Ltd. Aut 721 1022 713 DLA Systems Automation Center 11492 628 616 Cable One 22773 621 583 Cox Communications, Inc. 6197 986 511 BellSouth Network Solutions, 19916 563 509 OLM LLC 855 573 508 Canadian Research Network 5668 515 491 CenturyTel Internet Holdings, 19262 620 470 Verizon Global Networks 9498 524 451 BHARTI BT INTERNET LTD. 7545 515 445 TPG Internet Pty Ltd 17488 451 444 Hathway IP Over Cable Interne 7757 461 442 AT&T Broadband 3602 521 415 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 36381 UNALLOCATED 12.147.156.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.147.157.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.147.158.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.147.159.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.244.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.245.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.246.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.247.0/24 7018 AT&T WorldNet Servic 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65518 PRIVATE 211.144.192.0/19 24421 *
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 /9:9 /10:8 /11:22 /12:87 /13:198 /14:345 /15:688 /16:8690 /17:3002 /18:5057 /19:11266 /20:12492 /21:10861 /22:13867 /23:15110 /24:98804 /25:318 /26:267 /27:204 /28:62 /29:25 /30:55 /31:3 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 19029 898 976 New Edge Networks 18566 886 903 Covad Communications 6197 784 986 BellSouth Network Solutions, 7018 749 1471 AT&T WorldNet Services 9583 669 850 Sify Limited 11492 620 628 Cable One 2386 618 888 AT&T Data Communications Serv 4323 583 1211 Time Warner Telecom 19916 557 563 OLM LLC 4766 514 710 Korea Telecom (KIX) 6198 501 636 BellSouth Network Solutions, 855 445 573 Canadian Research Network 7757 443 461 AT&T Broadband 7011 417 485 Citizens Utilities 5668 402 515 CenturyTel Internet Holdings, 702 375 591 UUNET - Commercial IP service 1239 370 855 Sprint 15270 341 370 PaeTec.net -a division of Pae 6517 339 365 Yipes Communications, Inc. 22773 324 621 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:44 12:1638 13:1 15:12 16:3 17:3 18:4 20:44 24:857 25:1 30:2 32:66 38:196 40:53 44:3 47:3 52:4 55:1 56:3 57:33 58:117 59:166 60:179 61:825 62:765 63:1896 64:3062 65:2241 66:3079 67:577 68:664 69:1409 70:299 71:50 72:609 73:23 74:4 80:746 81:587 82:508 83:359 84:345 85:427 86:308 87:164 88:18 89:16 124:11 125:199 128:151 129:170 130:103 131:315 132:33 133:7 134:146 135:46 136:169 137:60 138:181 139:85 140:383 141:132 142:414 143:145 144:224 145:39 146:309 147:135 148:321 149:186 150:115 151:74 152:61 153:102 154:6 155:186 156:91 157:120 158:158 159:181 160:88 161:67 162:219 163:142 164:173 165:203 166:145 167:236 168:471 169:139 170:315 171:12 190:30 192:5764 193:3359 194:2501 195:1762 196:749 198:3904 199:3264 200:4248 201:575 202:6454 203:6777 204:3896 205:2107 206:2434 207:2923 208:1990 209:3838 210:1910 211:804 212:1278 213:1465 214:326 215:40 216:4077 217:1150 218:237 219:137 220:633 221:339 222:148
End of report
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