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Routing Table Report 00:00 GMT Mon 11 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 216196 Prefixes after maximum aggregation: 113527 Unique aggregates announced to Internet: 100382 Total ASes present in the Internet Routing Table: 23966 Origin-only ASes present in the Internet Routing Table: 20806 Origin ASes announcing only one prefix: 10050 Transit ASes present in the Internet Routing Table: 3160 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 25 Unregistered ASNs in the Routing Table: 16 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1655110645 Equivalent to 98 /8s, 166 /16s and 251 /24s Percentage of available address space announced: 44.7 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112549
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47336 Total APNIC prefixes after maximum aggregation: 18883 Prefixes being announced from the APNIC address blocks: 44831 Unique aggregates announced from the APNIC address blocks: 19636 APNIC Region origin ASes present in the Internet Routing Table: 2810 APNIC Region origin ASes announcing only one prefix: 791 APNIC Region transit ASes present in the Internet Routing Table: 432 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 271748352 Equivalent to 16 /8s, 50 /16s and 141 /24s Percentage of available APNIC address space announced: 85.0
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: 109210 Total ARIN prefixes after maximum aggregation: 61706 Prefixes being announced from the ARIN address blocks: 81304 Unique aggregates announced from the ARIN address blocks: 28496 ARIN Region origin ASes present in the Internet Routing Table: 11227 ARIN Region origin ASes announcing only one prefix: 4266 ARIN Region transit ASes present in the Internet Routing Table: 1071 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN addresses announced to Internet: 310271072 Equivalent to 18 /8s, 126 /16s and 92 /24s Percentage of available ARIN address space announced: 68.5
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: 43626 Total RIPE prefixes after maximum aggregation: 28014 Prefixes being announced from the RIPE address blocks: 40675 Unique aggregates announced from the RIPE address blocks: 26189 RIPE Region origin ASes present in the Internet Routing Table: 8929 RIPE Region origin ASes announcing only one prefix: 4694 RIPE Region transit ASes present in the Internet Routing Table: 1459 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 274397185 Equivalent to 16 /8s, 90 /16s and 248 /24s Percentage of available RIPE address space announced: 74.3
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 40960-43007 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: 13420 Total LACNIC prefixes after maximum aggregation: 3943 Prefixes being announced from the LACNIC address blocks: 11473 Unique aggregates announced from the LACNIC address blocks: 6656 LACNIC Region origin ASes present in the Internet Routing Table: 752 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 136 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 35337984 Equivalent to 2 /8s, 27 /16s and 55 /24s Percentage of available LACNIC address space announced: 52.7
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: 2580 Total AfriNIC prefixes after maximum aggregation: 981 Prefixes being announced from the AfriNIC address blocks: 1824 Unique aggregates announced from the AfriNIC address blocks: 1051 AfriNIC Region origin ASes present in the Internet Routing Table: 171 AfriNIC Region origin ASes announcing only one prefix: 50 AfriNIC Region transit ASes present in the Internet Routing Table: 28 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 4792832 Equivalent to 0 /8s, 73 /16s and 34 /24s Percentage of available AfriNIC address space announced: 14.3
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 1268 8510 250 CHINANET-BACKBONE 4755 1059 383 65 Videsh Sanchar Nigam Ltd. Aut 9583 1012 86 276 Sify Limited 4538 947 2846 35 China Education and Research 9498 893 212 65 BHARTI BT INTERNET LTD. 23577 776 35 706 KRNIC 4766 745 4945 306 Korea Telecom (KIX) 1221 623 1698 458 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 552 126 75 TPG Internet Pty Ltd 17676 502 10935 66 Softbank BB Corp. 18101 491 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 437 81 130 COMindico Australia 4812 431 753 65 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 414 86 151 Wantree Development 7474 372 211 229 SingTel Optus Pty Ltd 17557 369 32 174 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 411 2104 96 France Telecom Transpac 24863 383 45 15 LINKdotNET AS number 3301 309 1199 293 TeliaNet Sweden 3320 297 4992 245 Deutsche Telekom AG 8220 277 474 266 COLT Telecommunications 6746 260 92 237 Dynamic Network Technologies, 680 252 2041 248 DFN-IP service G-WiN 1257 250 1073 173 SWIPnet Swedish IP Network 8708 228 281 215 Romania Data Systems S.A. 9116 227 134 23 Goldenlines main autonomous s 30890 210 19 89 SC Kappa Invexim SRL 3269 208 2357 75 TELECOM ITALIA 3246 205 353 192 Song Networks 5416 205 13 9 BATELCO-BH 5089 203 184 60 NTL Group Limited 8551 200 198 23 Bezeq International 3300 187 172 101 AUCS Communications Services 6830 185 823 39 UPC Distribution Services 786 172 1795 172 The JANET IP Service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4866 6689 766 UUNET Technologies, Inc. 7018 1552 6181 977 AT&T WorldNet Services 705 1434 555 633 UUNET Technologies, Inc. 2386 1112 586 739 AT&T Data Communications Serv 4323 1050 804 295 Time Warner Telecom 6197 1019 638 505 BellSouth Network Solutions, 18566 981 272 8 Covad Communications 174 972 6826 884 Cogent Communications 11492 837 98 11 Cable One 1239 833 2715 583 Sprint 7046 806 251 661 UUNET Technologies, Inc. 721 796 21885 294 DLA Systems Automation Center 19262 784 2454 178 Verizon Global Networks 20115 765 665 412 Charter Communications 22773 712 1744 41 Cox Communications, Inc. 209 708 3761 558 Qwest 7011 693 211 430 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 1268 1018 CHINANET-BACKBONE 4755 1059 994 Videsh Sanchar Nigam Ltd. Aut 18566 981 973 Covad Communications 4538 947 912 China Education and Research 9498 893 828 BHARTI BT INTERNET LTD. 11492 837 826 Cable One 705 1434 801 UUNET Technologies, Inc. 4323 1050 755 Time Warner Telecom 9583 1012 736 Sify Limited 22773 712 671 Cox Communications, Inc. 19262 784 606 Verizon Global Networks 7018 1552 575 AT&T WorldNet Services 8151 775 568 UniNet S.A. de C.V. 17488 556 536 Hathway IP Over Cable Interne 5668 546 527 CenturyTel Internet Holdings, 6197 1019 514 BellSouth Network Solutions, 19916 567 510 OLM LLC 721 796 502 DLA Systems Automation Center 11830 506 497 Instituto Costarricense de El 7545 552 477 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 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 65019 PRIVATE 135.196.106.208/28 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 65526 PRIVATE 213.205.19.128/28 3257 Tiscali Intl Network 65526 PRIVATE 213.205.19.144/28 3257 Tiscali Intl Network 65533 PRIVATE 213.213.213.213/32 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
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 103.195.3.24/29 2529 Demon Internet 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 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 /8:20 /9:10 /10:13 /11:28 /12:113 /13:233 /14:400 /15:797 /16:9125 /17:3670 /18:5976 /19:12951 /20:14664 /21:13344 /22:16963 /23:18507 /24:116631 /25:726 /26:545 /27:460 /28:236 /29:176 /30:505 /31:0 /32:102
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3620 4866 UUNET Technologies, Inc. 18566 964 981 Covad Communications 705 896 1434 UUNET Technologies, Inc. 9583 844 1012 Sify Limited 7018 833 1552 AT&T WorldNet Services 2386 828 1112 AT&T Data Communications Serv 11492 823 837 Cable One 6197 795 1019 BellSouth Network Solutions, 23577 762 776 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 7046 559 806 UUNET Technologies, Inc. 4766 556 745 Korea Telecom (KIX) 9498 547 893 BHARTI BT INTERNET LTD. 4538 529 947 China Education and Research 4755 481 1059 Videsh Sanchar Nigam Ltd. Aut 15270 462 492 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 18101 423 491 Reliance Infocom Ltd Internet 5668 419 546 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1667 13:1 15:15 16:3 17:3 18:5 20:34 24:844 25:1 32:176 38:268 40:57 41:47 44:2 47:10 52:4 53:1 55:1 56:3 57:53 58:282 59:375 60:223 61:969 62:1186 63:3351 64:3320 65:3622 66:3207 67:703 68:658 69:1724 70:406 71:114 72:1025 74:113 75:49 76:15 77:2 80:829 81:780 82:670 83:386 84:495 85:736 86:414 87:432 88:264 89:654 90:1 91:95 97:1 121:92 122:41 123:3 124:476 125:742 128:312 129:205 130:131 131:320 132:48 133:11 134:177 135:41 136:179 137:115 138:188 139:100 140:521 141:135 142:366 143:215 144:256 145:67 146:325 147:142 148:366 149:175 150:110 151:118 152:83 153:116 154:6 155:249 156:148 157:153 158:166 159:137 160:98 161:83 162:218 163:159 164:282 165:239 166:244 167:278 168:479 169:123 170:385 171:12 172:1 189:27 190:288 192:5821 193:3632 194:2925 195:2298 196:974 198:3934 199:3371 200:4606 201:936 202:7218 203:7276 204:4109 205:2213 206:2648 207:3158 208:3072 209:3706 210:2404 211:974 212:1406 213:1491 214:382 215:39 216:4258 217:1343 218:366 219:291 220:818 221:386 222:258
End of report
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