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Routing Table Report 00:00 GMT Thu 30 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215570 Prefixes after maximum aggregation: 112835 Unique aggregates announced to Internet: 99616 Total ASes present in the Internet Routing Table: 23887 Origin-only ASes present in the Internet Routing Table: 20674 Origin ASes announcing only one prefix: 10008 Transit ASes present in the Internet Routing Table: 3213 Transit-only ASes present in the Internet Routing Table: 87 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 29 Unregistered ASNs in the Routing Table: 21 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 7 Number of addresses announced to Internet: 1642250412 Equivalent to 97 /8s, 226 /16s and 192 /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: 112132
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47173 Total APNIC prefixes after maximum aggregation: 18703 Prefixes being announced from the APNIC address blocks: 44639 Unique aggregates announced from the APNIC address blocks: 19342 APNIC Region origin ASes present in the Internet Routing Table: 2796 APNIC Region origin ASes announcing only one prefix: 783 APNIC Region transit ASes present in the Internet Routing Table: 433 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 270269184 Equivalent to 16 /8s, 27 /16s and 251 /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: 109193 Total ARIN prefixes after maximum aggregation: 61489 Prefixes being announced from the ARIN address blocks: 81347 Unique aggregates announced from the ARIN address blocks: 28480 ARIN Region origin ASes present in the Internet Routing Table: 11199 ARIN Region origin ASes announcing only one prefix: 4248 ARIN Region transit ASes present in the Internet Routing Table: 1101 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 311285088 Equivalent to 18 /8s, 141 /16s and 213 /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: 43117 Total RIPE prefixes after maximum aggregation: 27738 Prefixes being announced from the RIPE address blocks: 40191 Unique aggregates announced from the RIPE address blocks: 25853 RIPE Region origin ASes present in the Internet Routing Table: 8881 RIPE Region origin ASes announcing only one prefix: 4680 RIPE Region transit ASes present in the Internet Routing Table: 1475 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 278768064 Equivalent to 16 /8s, 157 /16s and 169 /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: 13533 Total LACNIC prefixes after maximum aggregation: 3940 Prefixes being announced from the LACNIC address blocks: 11516 Unique aggregates announced from the LACNIC address blocks: 6658 LACNIC Region origin ASes present in the Internet Routing Table: 753 LACNIC Region origin ASes announcing only one prefix: 245 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 35222528 Equivalent to 2 /8s, 25 /16s and 116 /24s Percentage of available LACNIC address space announced: 52.5
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: 2526 Total AfriNIC prefixes after maximum aggregation: 965 Prefixes being announced from the AfriNIC address blocks: 1763 Unique aggregates announced from the AfriNIC address blocks: 997 AfriNIC Region origin ASes present in the Internet Routing Table: 171 AfriNIC Region origin ASes announcing only one prefix: 52 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 4488704 Equivalent to 0 /8s, 68 /16s and 126 /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 1049 384 67 Videsh Sanchar Nigam Ltd. Aut 9583 989 95 177 Sify Limited 4538 950 2846 35 China Education and Research 9498 883 212 61 BHARTI BT INTERNET LTD. 23577 779 35 709 KRNIC 4766 743 4945 305 Korea Telecom (KIX) 1221 620 1698 458 Telstra Pty Ltd 17488 555 35 19 Hathway IP Over Cable Interne 7545 550 126 75 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 4812 442 753 65 China Telecom (Shanghai) 9942 438 81 131 COMindico Australia 17849 423 36 126 Telecommunications Technology 4802 413 86 151 Wantree Development 7474 370 211 228 SingTel Optus Pty Ltd 17974 367 129 12 PT TELEKOMUNIKASI INDONESIA 17557 365 32 176 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1912 425 UUNET - Commercial IP service 3215 408 2020 96 France Telecom Transpac 24863 378 44 14 LINKdotNET AS number 3301 309 1215 293 TeliaNet Sweden 3320 296 4992 244 Deutsche Telekom AG 8220 275 468 264 COLT Telecommunications 6746 260 92 237 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 5089 244 1657 52 NTL Group Limited 8708 228 282 214 Romania Data Systems S.A. 9116 227 134 23 Goldenlines main autonomous s 1257 224 1073 169 SWIPnet Swedish IP Network 3246 213 370 200 Song Networks 3269 208 2357 75 TELECOM ITALIA 5416 205 13 9 BATELCO-BH 8551 199 197 24 Bezeq International 30890 197 17 80 SC Kappa Invexim SRL 6830 185 823 39 UPC Distribution Services 3300 184 171 98 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 4883 6705 768 UUNET Technologies, Inc. 7018 1552 10266 983 AT&T WorldNet Services 705 1435 556 634 UUNET Technologies, Inc. 2386 1106 570 734 AT&T Data Communications Serv 4323 1040 805 294 Time Warner Telecom 6197 1020 629 497 BellSouth Network Solutions, 18566 979 272 8 Covad Communications 174 946 6821 868 Cogent Communications 721 839 21921 301 DLA Systems Automation Center 1239 831 2731 581 Sprint 11492 829 98 15 Cable One 7046 805 251 660 UUNET Technologies, Inc. 19262 785 2452 177 Verizon Global Networks 20115 769 688 417 Charter Communications 22773 714 1744 41 Cox Communications, Inc. 209 713 3765 557 Qwest 7011 691 213 430 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 1049 982 Videsh Sanchar Nigam Ltd. Aut 18566 979 971 Covad Communications 4538 950 915 China Education and Research 9498 883 822 BHARTI BT INTERNET LTD. 11492 829 814 Cable One 9583 989 812 Sify Limited 705 1435 801 UUNET Technologies, Inc. 4323 1040 746 Time Warner Telecom 22773 714 673 Cox Communications, Inc. 19262 785 608 Verizon Global Networks 7018 1552 569 AT&T WorldNet Services 8151 760 549 UniNet S.A. de C.V. 721 839 538 DLA Systems Automation Center 17488 555 536 Hathway IP Over Cable Interne 5668 548 529 CenturyTel Internet Holdings, 6197 1020 523 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 64599 PRIVATE 64.200.115.0/24 32083 Omnispring 64512 PRIVATE 72.14.21.0/24 26446 FASTFREEDOM 64515 PRIVATE 72.14.22.0/24 26446 FASTFREEDOM 64516 PRIVATE 72.14.23.0/24 26446 FASTFREEDOM 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 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 65526 PRIVATE 213.205.19.128/28 3257 Tiscali Intl Network 65526 PRIVATE 213.205.19.144/28 3257 Tiscali Intl Network 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 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 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 192.172.0.0/19 721 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 /13:233 /14:401 /15:801 /16:9162 /17:3685 /18:5953 /19:12915 /20:14602 /21:13375 /22:16952 /23:18366 /24:116347 /25:730 /26:528 /27:453 /28:202 /29:151 /30:468 /31:0 /32:60
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3636 4883 UUNET Technologies, Inc. 18566 962 979 Covad Communications 705 897 1435 UUNET Technologies, Inc. 2386 829 1106 AT&T Data Communications Serv 9583 823 989 Sify Limited 7018 819 1552 AT&T WorldNet Services 11492 815 829 Cable One 6197 798 1020 BellSouth Network Solutions, 23577 765 779 KRNIC 7011 596 691 Citizens Utilities 19916 562 567 OLM LLC 7046 559 805 UUNET Technologies, Inc. 4766 554 743 Korea Telecom (KIX) 9498 537 883 BHARTI BT INTERNET LTD. 4538 529 950 China Education and Research 4755 475 1049 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 12:1669 13:1 15:15 16:3 17:3 18:4 20:39 24:856 25:1 32:177 38:269 40:57 41:32 44:2 47:8 52:4 53:1 55:1 56:3 57:52 58:280 59:363 60:203 61:970 62:1167 63:3352 64:3300 65:3631 66:3205 67:690 68:658 69:1732 70:398 71:113 72:1016 74:111 75:34 76:14 80:827 81:763 82:670 83:375 84:496 85:760 86:421 87:430 88:252 89:635 90:1 91:100 97:1 121:82 122:33 123:3 124:469 125:735 128:288 129:205 130:126 131:325 132:48 133:11 134:177 135:42 136:179 137:117 138:187 139:100 140:523 141:135 142:368 143:202 144:254 145:67 146:324 147:142 148:363 149:177 150:109 151:117 152:83 153:120 154:6 155:262 156:148 157:165 158:152 159:138 160:103 161:90 162:217 163:156 164:283 165:237 166:244 167:273 168:489 169:124 170:394 171:11 172:1 189:13 190:311 192:5792 193:3594 194:2877 195:2270 196:956 198:3943 199:3369 200:4639 201:957 202:7201 203:7256 204:4100 205:2217 206:2646 207:3160 208:3049 209:3690 210:2410 211:977 212:1436 213:1500 214:381 215:39 216:4266 217:1364 218:367 219:281 220:813 221:369 222:259
End of report
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