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Routing Table Report 00:00 GMT Sun 26 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215206 Prefixes after maximum aggregation: 112628 Unique aggregates announced to Internet: 99012 Total ASes present in the Internet Routing Table: 23840 Origin-only ASes present in the Internet Routing Table: 20711 Origin ASes announcing only one prefix: 9989 Transit ASes present in the Internet Routing Table: 3129 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 32 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 19 Unregistered ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 8 Number of addresses announced to Internet: 1658650616 Equivalent to 98 /8s, 220 /16s and 255 /24s Percentage of available address space announced: 44.8 Percentage of allocated address space announced: 63.5 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 111922
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46847 Total APNIC prefixes after maximum aggregation: 18552 Prefixes being announced from the APNIC address blocks: 44325 Unique aggregates announced from the APNIC address blocks: 18826 APNIC Region origin ASes present in the Internet Routing Table: 2788 APNIC Region origin ASes announcing only one prefix: 773 APNIC Region transit ASes present in the Internet Routing Table: 425 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 270323600 Equivalent to 16 /8s, 28 /16s and 207 /24s Percentage of available APNIC address space announced: 84.5
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: 109103 Total ARIN prefixes after maximum aggregation: 61452 Prefixes being announced from the ARIN address blocks: 81291 Unique aggregates announced from the ARIN address blocks: 28438 ARIN Region origin ASes present in the Internet Routing Table: 11180 ARIN Region origin ASes announcing only one prefix: 4250 ARIN Region transit ASes present in the Internet Routing Table: 1048 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 311047136 Equivalent to 18 /8s, 138 /16s and 51 /24s Percentage of available ARIN address space announced: 68.7
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, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 43269 Total RIPE prefixes after maximum aggregation: 27788 Prefixes being announced from the RIPE address blocks: 40299 Unique aggregates announced from the RIPE address blocks: 25803 RIPE Region origin ASes present in the Internet Routing Table: 8870 RIPE Region origin ASes announcing only one prefix: 4669 RIPE Region transit ASes present in the Internet Routing Table: 1457 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 278339328 Equivalent to 16 /8s, 151 /16s and 31 /24s Percentage of available RIPE address space announced: 75.4
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 40960-41983 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 13428 Total LACNIC prefixes after maximum aggregation: 3866 Prefixes being announced from the LACNIC address blocks: 11408 Unique aggregates announced from the LACNIC address blocks: 6644 LACNIC Region origin ASes present in the Internet Routing Table: 752 LACNIC Region origin ASes announcing only one prefix: 247 LACNIC Region transit ASes present in the Internet Routing Table: 136 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35123712 Equivalent to 2 /8s, 23 /16s and 242 /24s Percentage of available LACNIC address space announced: 52.3
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: 2541 Total AfriNIC prefixes after maximum aggregation: 970 Prefixes being announced from the AfriNIC address blocks: 1768 Unique aggregates announced from the AfriNIC address blocks: 997 AfriNIC Region origin ASes present in the Internet Routing Table: 172 AfriNIC Region origin ASes announcing only one prefix: 50 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 4483584 Equivalent to 0 /8s, 68 /16s and 106 /24s Percentage of available AfriNIC address space announced: 13.4
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 1263 8509 249 CHINANET-BACKBONE 4755 1045 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 968 97 71 Sify Limited 9498 885 212 62 BHARTI BT INTERNET LTD. 23577 779 35 709 KRNIC 4766 742 4945 304 Korea Telecom (KIX) 4538 677 2846 35 China Education and Research 1221 623 1714 461 Telstra Pty Ltd 17488 553 34 19 Hathway IP Over Cable Interne 7545 549 126 74 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 487 86 21 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 9942 442 82 133 COMindico Australia 4812 439 751 64 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 411 86 149 Wantree Development 17557 371 32 176 Pakistan Telecom 7474 370 211 228 SingTel Optus Pty Ltd 17974 368 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1928 425 UUNET - Commercial IP service 3215 403 1972 94 France Telecom Transpac 24863 378 44 15 LINKdotNET AS number 3301 309 1215 293 TeliaNet Sweden 3320 297 4992 245 Deutsche Telekom AG 8220 277 472 264 COLT Telecommunications 6746 257 92 234 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 5089 244 1657 52 NTL Group Limited 1257 229 1073 174 SWIPnet Swedish IP Network 9116 228 134 23 Goldenlines main autonomous s 3246 227 409 214 Song Networks 8708 221 279 208 Romania Data Systems S.A. 8551 210 198 31 Bezeq International 3269 208 2357 75 TELECOM ITALIA 5416 205 13 9 BATELCO-BH 30890 202 18 82 SC Kappa Invexim SRL 6830 185 823 39 UPC Distribution Services 3300 182 171 97 AUCS Communications Services 786 171 1779 171 The JANET IP Service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4915 6707 779 UUNET Technologies, Inc. 7018 1544 6180 973 AT&T WorldNet Services 705 1437 556 636 UUNET Technologies, Inc. 2386 1104 571 735 AT&T Data Communications Serv 4323 1036 804 291 Time Warner Telecom 6197 1025 629 498 BellSouth Network Solutions, 18566 979 272 8 Covad Communications 174 938 6804 861 Cogent Communications 1239 848 2764 591 Sprint 721 841 21921 300 DLA Systems Automation Center 7046 810 251 665 UUNET Technologies, Inc. 11492 810 98 15 Cable One 19262 783 2452 177 Verizon Global Networks 20115 766 685 411 Charter Communications 22773 711 1743 39 Cox Communications, Inc. 209 708 3762 553 Qwest 7011 692 213 432 Citizens Utilities 852 608 1087 387 Telus Advanced Communications 19916 567 48 57 OLM LLC 5668 552 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1263 1014 CHINANET-BACKBONE 4755 1045 977 Videsh Sanchar Nigam Ltd. Aut 18566 979 971 Covad Communications 9583 968 897 Sify Limited 9498 885 823 BHARTI BT INTERNET LTD. 705 1437 801 UUNET Technologies, Inc. 11492 810 795 Cable One 4323 1036 745 Time Warner Telecom 22773 711 672 Cox Communications, Inc. 4538 677 642 China Education and Research 19262 783 606 Verizon Global Networks 7018 1544 571 AT&T WorldNet Services 8151 758 550 UniNet S.A. de C.V. 721 841 541 DLA Systems Automation Center 17488 553 534 Hathway IP Over Cable Interne 5668 552 533 CenturyTel Internet Holdings, 6197 1025 527 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 549 475 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65010 PRIVATE 135.196.7.112/29 8190 VIATEL 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 65016 PRIVATE 212.2.26.64/29 8190 VIATEL 65016 PRIVATE 212.2.31.184/30 8190 VIATEL 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 65018 PRIVATE 213.235.24.216/29 8190 VIATEL 65010 PRIVATE 213.235.29.224/29 8190 VIATEL 65013 PRIVATE 213.235.33.0/27 8190 VIATEL 65017 PRIVATE 213.235.48.96/28 8190 VIATEL 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.0.2.0/24 2854 RoSprint AS (Global One Russi 192.168.83.0/24 292 Energy Sciences Network 198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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 172.33.1.0/24 7018 AT&T WorldNet Services 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 192.172.0.0/19 721 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 /8:20 /9:10 /10:13 /11:30 /12:113 /13:234 /14:400 /15:803 /16:9139 /17:3689 /18:5946 /19:12905 /20:14574 /21:13299 /22:16848 /23:18329 /24:116256 /25:751 /26:535 /27:451 /28:193 /29:150 /30:458 /31:0 /32:60
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3659 4915 UUNET Technologies, Inc. 18566 962 979 Covad Communications 705 897 1437 UUNET Technologies, Inc. 2386 828 1104 AT&T Data Communications Serv 7018 820 1544 AT&T WorldNet Services 6197 802 1025 BellSouth Network Solutions, 9583 799 968 Sify Limited 11492 796 810 Cable One 23577 765 779 KRNIC 7011 597 692 Citizens Utilities 7046 563 810 UUNET Technologies, Inc. 19916 562 567 OLM LLC 4766 553 742 Korea Telecom (KIX) 9498 537 885 BHARTI BT INTERNET LTD. 4755 471 1045 Videsh Sanchar Nigam Ltd. Aut 15270 457 487 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 5668 428 552 CenturyTel Internet Holdings, 1239 422 848 Sprint 18101 420 487 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:66 9:1 12:1664 13:1 15:15 16:3 17:3 18:4 20:39 24:839 25:1 32:177 38:268 40:57 41:31 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:276 59:358 60:216 61:961 62:1195 63:3352 64:3315 65:3637 66:3205 67:684 68:658 69:1725 70:399 71:112 72:1017 74:112 75:32 76:14 80:843 81:766 82:679 83:380 84:497 85:764 86:422 87:427 88:252 89:625 90:1 91:85 97:1 121:81 122:31 123:3 124:475 125:730 128:285 129:205 130:125 131:324 132:46 133:11 134:177 135:42 136:179 137:114 138:186 139:102 140:529 141:134 142:368 143:198 144:253 145:67 146:324 147:143 148:360 149:178 150:109 151:118 152:83 153:121 154:6 155:261 156:148 157:165 158:152 159:138 160:101 161:90 162:217 163:162 164:283 165:236 166:244 167:272 168:489 169:123 170:394 171:11 172:1 190:307 192:5826 193:3615 194:2877 195:2258 196:963 198:3933 199:3375 200:4604 201:959 202:7173 203:7212 204:4096 205:2223 206:2641 207:3160 208:3049 209:3686 210:2268 211:984 212:1493 213:1539 214:383 215:39 216:4280 217:1361 218:368 219:293 220:812 221:364 222:260
End of report
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