Routing Table Report 00:00 GMT Thu 31 Aug, 2006
Analysis Summary ----------------
BGP routing table entries examined: 210133 Prefixes after maximum aggregation: 109137 Unique aggregates announced to Internet: 95320 Total ASes present in the Internet Routing Table: 23080 Origin-only ASes present in the Internet Routing Table: 20011 Origin ASes announcing only one prefix: 9585 Transit ASes present in the Internet Routing Table: 3069 Transit-only ASes present in the Internet Routing Table: 84 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 30 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 25 Unregistered ASNs in the Routing Table: 19 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 16 Number of addresses announced to Internet: 1578853565 Equivalent to 94 /8s, 27 /16s and 100 /24s Percentage of available address space announced: 42.6 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 108476
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 44411 Total APNIC prefixes after maximum aggregation: 17488 Prefixes being announced from the APNIC address blocks: 41960 Unique aggregates announced from the APNIC address blocks: 18276 APNIC Region origin ASes present in the Internet Routing Table: 2696 APNIC Region origin ASes announcing only one prefix: 758 APNIC Region transit ASes present in the Internet Routing Table: 414 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 261931392 Equivalent to 15 /8s, 156 /16s and 193 /24s Percentage of available APNIC address space announced: 81.9
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: 110260 Total ARIN prefixes after maximum aggregation: 60358 Prefixes being announced from the ARIN address blocks: 82316 Unique aggregates announced from the ARIN address blocks: 27496 ARIN Region origin ASes present in the Internet Routing Table: 10961 ARIN Region origin ASes announcing only one prefix: 4123 ARIN Region transit ASes present in the Internet Routing Table: 1056 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 296439393 Equivalent to 17 /8s, 171 /16s and 78 /24s Percentage of available ARIN address space announced: 76.8
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, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 40701 Total RIPE prefixes after maximum aggregation: 26538 Prefixes being announced from the RIPE address blocks: 38011 Unique aggregates announced from the RIPE address blocks: 24515 RIPE Region origin ASes present in the Internet Routing Table: 8454 RIPE Region origin ASes announcing only one prefix: 4419 RIPE Region transit ASes present in the Internet Routing Table: 1402 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 261936224 Equivalent to 15 /8s, 156 /16s and 212 /24s Percentage of available RIPE address space announced: 82.2
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, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 12334 Total LACNIC prefixes after maximum aggregation: 3805 Prefixes being announced from the LACNIC address blocks: 10387 Unique aggregates announced from the LACNIC address blocks: 5989 LACNIC Region origin ASes present in the Internet Routing Table: 721 LACNIC Region origin ASes announcing only one prefix: 239 LACNIC Region transit ASes present in the Internet Routing Table: 132 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 32347904 Equivalent to 1 /8s, 237 /16s and 151 /24s Percentage of available LACNIC address space announced: 48.2
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: 2403 Total AfriNIC prefixes after maximum aggregation: 948 Prefixes being announced from the AfriNIC address blocks: 1665 Unique aggregates announced from the AfriNIC address blocks: 1004 AfriNIC Region origin ASes present in the Internet Routing Table: 164 AfriNIC Region origin ASes announcing only one prefix: 46 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 4221952 Equivalent to 0 /8s, 64 /16s and 108 /24s Percentage of available AfriNIC address space announced: 12.6
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 1303 8110 239 CHINANET-BACKBONE 4755 977 255 63 Videsh Sanchar Nigam Ltd. Aut 9583 949 109 15 Sify Limited 9498 801 211 71 BHARTI BT INTERNET LTD. 4766 754 4435 308 Korea Telecom (KIX) 1221 657 1780 484 Telstra Pty Ltd 7545 539 124 74 TPG Internet Pty Ltd 17488 525 33 11 Hathway IP Over Cable Interne 4538 520 2717 32 China Education and Research 17676 497 10933 62 Softbank BB Corp. 9443 450 111 83 Primus Telecommunications 18101 447 85 18 Reliance Infocom Ltd Internet 17849 411 30 123 Telecommunications Technology 4802 409 84 149 Wantree Development 4812 395 732 60 China Telecom (Shanghai) 17974 373 129 12 PT TELEKOMUNIKASI INDONESIA 7474 358 211 230 SingTel Optus Pty Ltd 17557 354 27 168 Pakistan Telecom 2907 341 1734 314 SINET Japan 4837 320 3539 138 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 550 1928 432 UUNET - Commercial IP service 3215 399 1760 98 France Telecom Transpac 3301 315 1186 300 TeliaNet Sweden 3320 301 5014 243 Deutsche Telekom AG 8220 283 471 267 COLT Telecommunications 24863 255 42 10 LINKdotNET AS number 1257 249 744 168 SWIPnet Swedish IP Network 680 248 2041 244 DFN-IP service G-WiN 6746 244 90 223 Dynamic Network Technologies, 5089 240 1657 51 NTL Group Limited 3246 230 462 220 Song Networks 8708 216 278 203 Romania Data Systems S.A. 3269 202 2246 73 TELECOM ITALIA 8551 202 182 27 Bezeq International 30890 202 18 83 SC Kappa Invexim SRL 6830 195 879 43 UPC Distribution Services 5416 181 12 7 BATELCO-BH 8866 177 37 15 Bulgarian Telecommunication C 3300 175 170 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 4979 6778 779 UUNET Technologies, Inc. 4323 3211 775 290 Time Warner Telecom 705 1474 555 645 UUNET Technologies, Inc. 7018 1474 6235 952 AT&T WorldNet Services 6197 1027 639 478 BellSouth Network Solutions, 721 987 21909 306 DLA Systems Automation Center 2386 960 560 726 AT&T Data Communications Serv 18566 958 272 8 Covad Communications 174 946 5770 886 Cogent Communications 1239 844 2781 600 Sprint 7046 822 250 680 UUNET Technologies, Inc. 19262 739 2292 188 Verizon Global Networks 20115 736 659 385 Charter Communications 11492 731 90 14 Cable One 22773 694 1744 44 Cox Communications, Inc. 209 682 3641 537 Qwest 2686 682 4305 100 IBM 7011 668 207 422 Citizens Utilities 852 602 1068 382 Telus Advanced Communications 6461 602 221 89 AboveNet Communications, Inc.
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3211 2921 Time Warner Telecom 4134 1303 1064 CHINANET-BACKBONE 18566 958 950 Covad Communications 9583 949 934 Sify Limited 4755 977 914 Videsh Sanchar Nigam Ltd. Aut 705 1474 829 UUNET Technologies, Inc. 9498 801 730 BHARTI BT INTERNET LTD. 11492 731 717 Cable One 721 987 681 DLA Systems Automation Center 22773 694 650 Cox Communications, Inc. 2686 682 582 IBM 19262 739 551 Verizon Global Networks 6197 1027 549 BellSouth Network Solutions, 8151 768 540 UniNet S.A. de C.V. 7018 1474 522 AT&T WorldNet Services 5668 536 518 CenturyTel Internet Holdings, 17488 525 514 Hathway IP Over Cable Interne 6461 602 513 AboveNet Communications, Inc. 19916 563 509 OLM LLC 855 562 489 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati 65535 PRIVATE 62.112.96.0/19 25513 OJS Moscow city tele 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati 64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 64513 PRIVATE 124.30.168.0/23 9583 Sify Limited 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65014 PRIVATE 203.117.240.0/21 4657 Starhub Internet, Si 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 64565 PRIVATE 212.111.35.128/27 4513 PFM Communications, 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 64560 PRIVATE 213.219.53.192/26 4513 PFM Communications, 65013 PRIVATE 213.235.33.0/27 8190 VIATEL 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 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 0.0.0.0/8 3303 Swisscom Ltd 169.254.0.0/16 8895 KACST/ISU Riyadh Autonomous S 172.16.2.32/27 6325 Illinois Century Network 172.16.2.80/28 6325 Illinois Century Network 172.31.31.0/30 6325 Illinois Century Network 192.0.2.0/24 8895 KACST/ISU Riyadh Autonomous S 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 2.2.2.0/24 64666 PRIVATE ASN 77.192.0.0/16 12654 RIPE NCC RIS Project 77.255.248.0/21 12654 RIPE NCC RIS Project 78.192.0.0/16 12654 RIPE NCC RIS Project 78.255.248.0/21 12654 RIPE NCC RIS Project 79.192.0.0/16 12654 RIPE NCC RIS Project 79.255.248.0/21 12654 RIPE NCC RIS Project 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 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 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:9 /10:13 /11:31 /12:103 /13:217 /14:379 /15:745 /16:9007 /17:3502 /18:5721 /19:12419 /20:14092 /21:12565 /22:16035 /23:17367 /24:115545 /25:509 /26:482 /27:304 /28:225 /29:200 /30:526 /31:0 /32:118
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3714 4979 UUNET Technologies, Inc. 4323 1909 3211 Time Warner Telecom 18566 941 958 Covad Communications 705 921 1474 UUNET Technologies, Inc. 6197 806 1027 BellSouth Network Solutions, 9583 780 949 Sify Limited 7018 771 1474 AT&T WorldNet Services 11492 719 731 Cable One 2386 679 960 AT&T Data Communications Serv 2686 638 682 IBM 7046 584 822 UUNET Technologies, Inc. 7011 573 668 Citizens Utilities 4766 565 754 Korea Telecom (KIX) 19916 557 563 OLM LLC 6461 533 602 AboveNet Communications, Inc. 9498 479 801 BHARTI BT INTERNET LTD. 855 436 562 Canadian Research Network 15270 434 465 PaeTec.net -a division of Pae 5668 419 536 CenturyTel Internet Holdings, 4755 411 977 Videsh Sanchar Nigam Ltd. Aut
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 8:49 12:1632 13:1 15:15 16:3 17:3 18:4 20:41 24:821 25:1 32:315 38:248 40:54 41:16 44:3 47:6 52:4 55:1 56:3 57:54 58:217 59:289 60:194 61:916 62:1020 63:3379 64:3600 65:3617 66:3865 67:664 68:653 69:1611 70:388 71:91 72:889 74:76 75:6 80:787 81:695 82:712 83:397 84:408 85:693 86:363 87:442 88:168 89:427 121:19 122:6 123:1 124:349 125:615 128:160 129:201 130:118 131:315 132:38 133:8 134:162 135:48 136:177 137:87 138:225 139:151 140:519 141:135 142:390 143:192 144:240 145:41 146:326 147:141 148:352 149:180 150:113 151:118 152:76 153:117 154:6 155:222 156:172 157:179 158:165 159:175 160:93 161:89 162:218 163:166 164:277 165:224 166:183 167:241 168:600 169:128 170:342 171:14 190:202 192:5830 193:3416 194:2800 195:2223 196:929 198:4047 199:3391 200:4620 201:1039 202:6982 203:7182 204:4085 205:2167 206:2806 207:3630 208:3070 209:3886 210:2227 211:909 212:1372 213:1516 214:368 215:40 216:4423 217:1333 218:356 219:296 220:788 221:384 222:263
End of report
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Routing Analysis Role Account