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Routing Table Report 00:00 GMT Wed 29 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215512 Prefixes after maximum aggregation: 112769 Unique aggregates announced to Internet: 99516 Total ASes present in the Internet Routing Table: 23851 Origin-only ASes present in the Internet Routing Table: 20719 Origin ASes announcing only one prefix: 9986 Transit ASes present in the Internet Routing Table: 3132 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 30 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 24 Unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 8 Number of addresses announced to Internet: 1642078524 Equivalent to 97 /8s, 224 /16s and 33 /24s Percentage of available address space announced: 44.3 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112084
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47212 Total APNIC prefixes after maximum aggregation: 18702 Prefixes being announced from the APNIC address blocks: 44670 Unique aggregates announced from the APNIC address blocks: 19274 APNIC Region origin ASes present in the Internet Routing Table: 2791 APNIC Region origin ASes announcing only one prefix: 773 APNIC Region transit ASes present in the Internet Routing Table: 431 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 270432144 Equivalent to 16 /8s, 30 /16s and 119 /24s Percentage of available APNIC address space announced: 84.6
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: 109178 Total ARIN prefixes after maximum aggregation: 61467 Prefixes being announced from the ARIN address blocks: 81290 Unique aggregates announced from the ARIN address blocks: 28470 ARIN Region origin ASes present in the Internet Routing Table: 11195 ARIN Region origin ASes announcing only one prefix: 4251 ARIN Region transit ASes present in the Internet Routing Table: 1050 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 311218400 Equivalent to 18 /8s, 140 /16s and 208 /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: 43114 Total RIPE prefixes after maximum aggregation: 27702 Prefixes being announced from the RIPE address blocks: 40192 Unique aggregates announced from the RIPE address blocks: 25824 RIPE Region origin ASes present in the Internet Routing Table: 8870 RIPE Region origin ASes announcing only one prefix: 4668 RIPE Region transit ASes present in the Internet Routing Table: 1445 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 278597952 Equivalent to 16 /8s, 155 /16s and 17 /24s Percentage of available RIPE address space announced: 75.5
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: 13441 Total LACNIC prefixes after maximum aggregation: 3932 Prefixes being announced from the LACNIC address blocks: 11490 Unique aggregates announced from the LACNIC address blocks: 6634 LACNIC Region origin ASes present in the Internet Routing Table: 751 LACNIC Region origin ASes announcing only one prefix: 243 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35131136 Equivalent to 2 /8s, 24 /16s and 15 /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: 2545 Total AfriNIC prefixes after maximum aggregation: 966 Prefixes being announced from the AfriNIC address blocks: 1784 Unique aggregates announced from the AfriNIC address blocks: 1022 AfriNIC Region origin ASes present in the Internet Routing Table: 171 AfriNIC Region origin ASes announcing only one prefix: 51 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4493824 Equivalent to 0 /8s, 68 /16s and 146 /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 1264 8509 249 CHINANET-BACKBONE 4755 1047 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 979 94 183 Sify Limited 4538 949 2846 35 China Education and Research 9498 885 212 61 BHARTI BT INTERNET LTD. 23577 780 35 710 KRNIC 4766 743 4945 305 Korea Telecom (KIX) 1221 624 1698 461 Telstra Pty Ltd 17488 555 35 19 Hathway IP Over Cable Interne 7545 548 126 73 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 489 87 23 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 9942 440 81 132 COMindico Australia 4812 437 751 63 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 411 86 149 Wantree Development 7474 370 211 228 SingTel Optus Pty Ltd 17557 370 32 176 Pakistan Telecom 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 407 2004 96 France Telecom Transpac 24863 379 44 15 LINKdotNET AS number 3301 309 1215 293 TeliaNet Sweden 3320 299 4992 246 Deutsche Telekom AG 8220 271 468 261 COLT Telecommunications 6746 259 92 236 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 5089 244 1657 52 NTL Group Limited 1257 228 1073 173 SWIPnet Swedish IP Network 8708 228 282 214 Romania Data Systems S.A. 9116 228 134 23 Goldenlines main autonomous s 3246 209 370 197 Song Networks 3269 208 2357 75 TELECOM ITALIA 5416 205 13 9 BATELCO-BH 30890 202 18 82 SC Kappa Invexim SRL 8551 199 197 24 Bezeq International 6830 185 823 39 UPC Distribution Services 3300 181 171 96 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 4904 6708 781 UUNET Technologies, Inc. 7018 1560 10276 981 AT&T WorldNet Services 705 1434 555 633 UUNET Technologies, Inc. 2386 1107 570 735 AT&T Data Communications Serv 4323 1044 805 297 Time Warner Telecom 6197 1020 628 497 BellSouth Network Solutions, 18566 979 272 8 Covad Communications 174 945 6821 867 Cogent Communications 1239 832 2746 581 Sprint 721 815 21905 300 DLA Systems Automation Center 11492 813 98 15 Cable One 7046 807 251 662 UUNET Technologies, Inc. 19262 783 2452 177 Verizon Global Networks 20115 766 686 413 Charter Communications 22773 715 1744 41 Cox Communications, Inc. 209 714 3763 556 Qwest 7011 693 213 432 Citizens Utilities 852 610 1091 389 Telus Advanced Communications 19916 567 48 57 OLM LLC 6198 551 527 258 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1264 1015 CHINANET-BACKBONE 4755 1047 979 Videsh Sanchar Nigam Ltd. Aut 18566 979 971 Covad Communications 4538 949 914 China Education and Research 9498 885 824 BHARTI BT INTERNET LTD. 705 1434 801 UUNET Technologies, Inc. 11492 813 798 Cable One 9583 979 796 Sify Limited 4323 1044 747 Time Warner Telecom 22773 715 674 Cox Communications, Inc. 19262 783 606 Verizon Global Networks 7018 1560 579 AT&T WorldNet Services 8151 756 545 UniNet S.A. de C.V. 17488 555 536 Hathway IP Over Cable Interne 5668 548 529 CenturyTel Internet Holdings, 6197 1020 523 BellSouth Network Solutions, 721 815 515 DLA Systems Automation Center 19916 567 510 OLM LLC 11830 505 496 Instituto Costarricense de El 7545 548 475 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64599 PRIVATE 64.200.115.0/24 32083 Omnispring 65509 PRIVATE 84.221.16.0/23 3257 Tiscali Intl Network 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 64984 PRIVATE 168.224.4.0/23 29487 PFIZER 41985 UNALLOCATED 195.10.214.0/24 33885 Ownit Broadband AB 41653 UNALLOCATED 195.14.22.0/24 31216 BSOCOM Network 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 0.0.0.0/0 286 KPNQwest Backbone AS 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) -------------------------------------------------------
!!Default route being announced!!
/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 /16:9157 /17:3677 /18:5939 /19:12906 /20:14599 /21:13369 /22:16927 /23:18343 /24:116387 /25:729 /26:529 /27:451 /28:200 /29:151 /30:469 /31:0 /32:61
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3646 4904 UUNET Technologies, Inc. 18566 962 979 Covad Communications 705 896 1434 UUNET Technologies, Inc. 7018 830 1560 AT&T WorldNet Services 2386 829 1107 AT&T Data Communications Serv 9583 813 979 Sify Limited 11492 799 813 Cable One 6197 798 1020 BellSouth Network Solutions, 23577 766 780 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 7046 560 807 UUNET Technologies, Inc. 4766 554 743 Korea Telecom (KIX) 9498 539 885 BHARTI BT INTERNET LTD. 4538 528 949 China Education and Research 4755 474 1047 Videsh Sanchar Nigam Ltd. Aut 15270 458 488 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 5668 423 548 CenturyTel Internet Holdings, 18101 421 489 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:66 9:1 12:1673 13:1 15:15 16:3 17:3 18:4 20:39 24:849 25:1 32:177 38:269 40:57 41:32 44:2 47:8 52:4 53:1 55:1 56:3 57:52 58:283 59:363 60:207 61:966 62:1197 63:3357 64:3298 65:3636 66:3206 67:685 68:657 69:1717 70:399 71:113 72:1013 74:112 75:34 76:14 80:842 81:767 82:669 83:375 84:496 85:761 86:409 87:427 88:253 89:625 90:1 91:95 97:1 121:81 122:33 123:3 124:468 125:732 128:290 129:205 130:126 131:325 132:48 133:11 134:177 135:42 136:179 137:114 138:187 139:100 140:524 141:134 142:368 143:201 144:254 145:67 146:324 147:143 148:365 149:178 150:109 151:118 152:83 153:121 154:6 155:262 156:148 157:134 158:152 159:139 160:103 161:90 162:217 163:162 164:280 165:237 166:244 167:274 168:488 169:124 170:387 171:11 172:1 190:309 192:5794 193:3600 194:2849 195:2274 196:977 198:3941 199:3355 200:4636 201:958 202:7210 203:7278 204:4100 205:2224 206:2646 207:3161 208:3050 209:3679 210:2411 211:986 212:1468 213:1517 214:382 215:39 216:4259 217:1361 218:379 219:286 220:812 221:367 222:262
End of report
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