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Routing Table Report 00:00 GMT Mon 27 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215033 Prefixes after maximum aggregation: 112832 Unique aggregates announced to Internet: 99194 Total ASes present in the Internet Routing Table: 23851 Origin-only ASes present in the Internet Routing Table: 20733 Origin ASes announcing only one prefix: 9992 Transit ASes present in the Internet Routing Table: 3118 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 28 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: 1641590012 Equivalent to 97 /8s, 216 /16s and 172 /24s Percentage of available address space announced: 44.3 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 111785
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46821 Total APNIC prefixes after maximum aggregation: 18670 Prefixes being announced from the APNIC address blocks: 44296 Unique aggregates announced from the APNIC address blocks: 18972 APNIC Region origin ASes present in the Internet Routing Table: 2792 APNIC Region origin ASes announcing only one prefix: 773 APNIC Region transit ASes present in the Internet Routing Table: 432 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 270176912 Equivalent to 16 /8s, 26 /16s and 146 /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: 109078 Total ARIN prefixes after maximum aggregation: 61518 Prefixes being announced from the ARIN address blocks: 81255 Unique aggregates announced from the ARIN address blocks: 28453 ARIN Region origin ASes present in the Internet Routing Table: 11196 ARIN Region origin ASes announcing only one prefix: 4254 ARIN Region transit ASes present in the Internet Routing Table: 1047 Average ARIN Region AS path length visible: 3.2 Max ARIN Region AS path length visible: 28 Number of ARIN addresses announced to Internet: 311052512 Equivalent to 18 /8s, 138 /16s and 72 /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: 43168 Total RIPE prefixes after maximum aggregation: 27777 Prefixes being announced from the RIPE address blocks: 40195 Unique aggregates announced from the RIPE address blocks: 25812 RIPE Region origin ASes present in the Internet Routing Table: 8867 RIPE Region origin ASes announcing only one prefix: 4672 RIPE Region transit ASes present in the Internet Routing Table: 1447 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 278231552 Equivalent to 16 /8s, 149 /16s and 122 /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: 13459 Total LACNIC prefixes after maximum aggregation: 3906 Prefixes being announced from the LACNIC address blocks: 11443 Unique aggregates announced from the LACNIC address blocks: 6650 LACNIC Region origin ASes present in the Internet Routing Table: 749 LACNIC Region origin ASes announcing only one prefix: 244 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 35127808 Equivalent to 2 /8s, 24 /16s and 2 /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: 2488 Total AfriNIC prefixes after maximum aggregation: 961 Prefixes being announced from the AfriNIC address blocks: 1735 Unique aggregates announced from the AfriNIC address blocks: 996 AfriNIC Region origin ASes present in the Internet Routing Table: 169 AfriNIC Region origin ASes announcing only one prefix: 49 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 4442624 Equivalent to 0 /8s, 67 /16s and 202 /24s Percentage of available AfriNIC address space announced: 13.2
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 1044 384 67 Videsh Sanchar Nigam Ltd. Aut 9583 968 97 71 Sify Limited 9498 888 212 62 BHARTI BT INTERNET LTD. 23577 780 35 710 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 550 126 75 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 441 82 134 COMindico Australia 4812 438 751 64 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 411 86 149 Wantree Development 17557 371 32 177 Pakistan Telecom 7474 370 211 228 SingTel Optus Pty Ltd 2907 336 1749 311 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 545 1912 424 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 296 4992 244 Deutsche Telekom AG 8220 279 472 266 COLT Telecommunications 6746 258 92 235 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 8708 221 279 208 Romania Data Systems S.A. 3246 213 370 200 Song Networks 8551 209 197 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 180 171 95 AUCS Communications Services 2856 172 2316 129 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4905 6706 774 UUNET Technologies, Inc. 7018 1563 10293 988 AT&T WorldNet Services 705 1374 550 639 UUNET Technologies, Inc. 2386 1102 571 735 AT&T Data Communications Serv 4323 1039 804 295 Time Warner Telecom 6197 1025 629 498 BellSouth Network Solutions, 18566 979 272 8 Covad Communications 174 940 6805 863 Cogent Communications 1239 843 2763 586 Sprint 721 842 21921 301 DLA Systems Automation Center 11492 810 98 15 Cable One 7046 807 251 662 UUNET Technologies, Inc. 19262 783 2452 177 Verizon Global Networks 20115 766 685 411 Charter Communications 22773 711 1742 38 Cox Communications, Inc. 209 706 3762 552 Qwest 7011 692 213 432 Citizens Utilities 852 607 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 1044 977 Videsh Sanchar Nigam Ltd. Aut 18566 979 971 Covad Communications 9583 968 897 Sify Limited 9498 888 826 BHARTI BT INTERNET LTD. 11492 810 795 Cable One 4323 1039 744 Time Warner Telecom 705 1374 735 UUNET Technologies, Inc. 22773 711 673 Cox Communications, Inc. 4538 677 642 China Education and Research 19262 783 606 Verizon Global Networks 7018 1563 575 AT&T WorldNet Services 8151 759 549 UniNet S.A. de C.V. 721 842 541 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 550 475 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 /8:19 /9:10 /10:13 /11:30 /12:113 /13:234 /14:400 /15:798 /16:9129 /17:3685 /18:5936 /19:12898 /20:14577 /21:13280 /22:16834 /23:18341 /24:116144 /25:754 /26:536 /27:451 /28:190 /29:150 /30:459 /31:0 /32:52
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3652 4905 UUNET Technologies, Inc. 18566 962 979 Covad Communications 705 839 1374 UUNET Technologies, Inc. 7018 827 1563 AT&T WorldNet Services 2386 823 1102 AT&T Data Communications Serv 6197 802 1025 BellSouth Network Solutions, 9583 799 968 Sify Limited 11492 796 810 Cable One 23577 766 780 KRNIC 7011 597 692 Citizens Utilities 19916 562 567 OLM LLC 7046 560 807 UUNET Technologies, Inc. 4766 553 742 Korea Telecom (KIX) 9498 539 888 BHARTI BT INTERNET LTD. 4755 471 1044 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 421 843 Sprint 18101 420 487 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:66 9:1 12:1661 13:1 15:15 16:3 17:3 18:4 20:39 24:840 25:1 32:177 38:268 40:57 41:31 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:278 59:358 60:224 61:964 62:1195 63:3294 64:3315 65:3639 66:3203 67:684 68:658 69:1725 70:399 71:112 72:1017 74:112 75:32 76:14 80:844 81:766 82:677 83:379 84:496 85:763 86:418 87:427 88:252 89:619 90:1 91:85 97:1 121:81 122:32 123:3 124:475 125:730 128:289 129:205 130:125 131:324 132:46 133:11 134:177 135:42 136:173 137:114 138:186 139:102 140:526 141:134 142:368 143:197 144:253 145:67 146:324 147:143 148:359 149:178 150:109 151:118 152:83 153:120 154:6 155:262 156:148 157:165 158:152 159:139 160:103 161:90 162:217 163:162 164:283 165:236 166:244 167:272 168:488 169:123 170:393 171:11 172:1 190:307 192:5826 193:3615 194:2879 195:2266 196:964 198:3933 199:3373 200:4624 201:959 202:7164 203:7220 204:4099 205:2225 206:2642 207:3159 208:3054 209:3688 210:2269 211:987 212:1455 213:1508 214:382 215:39 216:4276 217:1358 218:368 219:293 220:812 221:364 222:247
End of report
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