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Routing Table Report 00:00 GMT Thu 03 May, 2007
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/oix-data/2007/05/03/1100
Analysis Summary ----------------
BGP routing table entries examined: 229631 Prefixes after maximum aggregation: 119254 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 105421 Total ASes present in the Internet Routing Table: 25190 Prefixes per ASN: 9.12 Origin-only ASes present in the Internet Routing Table: 21873 Origin ASes announcing only one prefix: 10583 Transit ASes present in the Internet Routing Table: 3317 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 22 Max AS path prepend of ASN (17697) 13 Prefixes from unregistered ASNs in the Routing Table: 51 Unregistered ASNs in the Routing Table: 35 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1716820460 Equivalent to 102 /8s, 84 /16s and 153 /24s Percentage of available address space announced: 46.3 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 122700
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 51736 Total APNIC prefixes after maximum aggregation: 20455 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 48629 Unique aggregates announced from the APNIC address blocks: 21123 APNIC Region origin ASes present in the Internet Routing Table: 2943 APNIC Prefixes per ASN: 16.52 APNIC Region origin ASes announcing only one prefix: 783 APNIC Region transit ASes present in the Internet Routing Table: 449 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 292735340 Equivalent to 17 /8s, 114 /16s and 201 /24s Percentage of available APNIC address space announced: 72.5
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, 116/6, 120/6, 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: 113132 Total ARIN prefixes after maximum aggregation: 63301 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84277 Unique aggregates announced from the ARIN address blocks: 30437 ARIN Region origin ASes present in the Internet Routing Table: 11585 ARIN Prefixes per ASN: 7.27 ARIN Region origin ASes announcing only one prefix: 4447 ARIN Region transit ASes present in the Internet Routing Table: 1096 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 331046368 Equivalent to 19 /8s, 187 /16s and 93 /24s Percentage of available ARIN address space announced: 73.1
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: 47061 Total RIPE prefixes after maximum aggregation: 30338 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 43735 Unique aggregates announced from the RIPE address blocks: 26899 RIPE Region origin ASes present in the Internet Routing Table: 9607 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 5042 RIPE Region transit ASes present in the Internet Routing Table: 1556 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 306320448 Equivalent to 18 /8s, 66 /16s and 20 /24s Percentage of available RIPE address space announced: 76.1
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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 14974 Total LACNIC prefixes after maximum aggregation: 4118 LACNIC Deaggregation factor: 3.64 Prefixes being announced from the LACNIC address blocks: 13051 Unique aggregates announced from the LACNIC address blocks: 7164 LACNIC Region origin ASes present in the Internet Routing Table: 788 LACNIC Prefixes per ASN: 16.56 LACNIC Region origin ASes announcing only one prefix: 254 LACNIC Region transit ASes present in the Internet Routing Table: 143 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 38433792 Equivalent to 2 /8s, 74 /16s and 116 /24s Percentage of available LACNIC address space announced: 57.3
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: 2675 Total AfriNIC prefixes after maximum aggregation: 1034 AfriNIC Deaggregation factor: 2.59 Prefixes being announced from the AfriNIC address blocks: 2020 Unique aggregates announced from the AfriNIC address blocks: 1190 AfriNIC Region origin ASes present in the Internet Routing Table: 188 AfriNIC Prefixes per ASN: 10.74 AfriNIC Region origin ASes announcing only one prefix: 57 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6066688 Equivalent to 0 /8s, 92 /16s and 146 /24s Percentage of available AfriNIC address space announced: 18.1
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 1281 9587 275 CHINANET-BACKBONE 4755 1200 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1098 79 386 Sify Limited 9498 972 469 73 BHARTI BT INTERNET LTD. 23577 926 35 823 Korea Telecom (ATM-MPLS) 4766 784 4943 312 Korea Telecom (KIX) 17488 672 44 34 Hathway IP Over Cable Interne 7545 629 142 81 TPG Internet Pty Ltd 1221 583 1954 434 Telstra Pty Ltd 18101 533 116 28 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 481 217 270 SingTel Optus Pty Ltd 4812 466 799 75 China Telecom (Shanghai) 9443 459 115 75 Primus Telecommunications 9942 447 77 119 COMindico Australia 9829 365 275 21 BSNL National Internet Backbo 17557 360 35 171 Pakistan Telecom 4802 359 86 146 Wantree Development 4837 346 4725 160 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 911 913 651 Telenor Internet Access 702 519 1925 413 UUNET - Commercial IP service 24863 342 47 30 LINKdotNET AS number 3352 340 1799 33 Ibernet, Internet Access Netw 3301 310 1455 290 TeliaNet Sweden 3320 304 4994 251 Deutsche Telekom AG 5089 288 1657 52 NTL Group Limited 6746 274 127 251 Dynamic Network Technologies, 8220 260 461 251 COLT Telecommunications 680 257 2044 250 DFN-IP service G-WiN 3215 240 2256 92 France Telecom Transpac 8708 236 287 229 Romania Data Systems S.A. 1257 235 1180 168 SWIPnet Swedish IP Network 3269 215 2583 73 TELECOM ITALIA 3246 212 341 198 Song Networks 8551 208 197 27 Bezeq International 30890 206 17 95 SC Kappa Invexim SRL 20858 196 34 4 EgyNet 3300 189 171 88 AUCS Communications Services 9116 189 134 24 Goldenlines main autonomous s
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4922 6661 723 UUNET Technologies, Inc. 7018 1507 10214 996 AT&T WorldNet Services 4323 1261 1022 360 Time Warner Telecom 2386 1138 580 756 AT&T Data Communications Serv 6478 1092 337 132 AT&T Worldnet Services 11492 1056 103 20 Cable One 6197 1033 688 503 BellSouth Network Solutions, 18566 1001 288 9 Covad Communications 174 949 6727 863 Cogent Communications 705 926 513 443 UUNET Technologies, Inc. 20115 822 738 430 Charter Communications 1239 803 2700 568 Sprint 7011 789 226 470 Citizens Utilities 7046 788 263 646 UUNET Technologies, Inc. 19262 744 2574 186 Verizon Global Networks 209 731 3718 583 Qwest 22773 708 1872 42 Cox Communications, Inc. 577 643 777 204 Bell Advanced Communications 721 609 21756 273 DLA Systems Automation Center 852 607 1080 374 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1200 1128 Videsh Sanchar Nigam Ltd. Aut 11492 1056 1036 Cable One 4134 1281 1006 CHINANET-BACKBONE 18566 1001 992 Covad Communications 6478 1092 960 AT&T Worldnet Services 8151 1158 959 UniNet S.A. de C.V. 4323 1261 901 Time Warner Telecom 9498 972 899 BHARTI BT INTERNET LTD. 9583 1098 712 Sify Limited 22773 708 666 Cox Communications, Inc. 17488 672 638 Hathway IP Over Cable Interne 5668 596 579 CenturyTel Internet Holdings, 19262 744 558 Verizon Global Networks 7545 629 548 TPG Internet Pty Ltd 6197 1033 530 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1507 511 AT&T WorldNet Services 18101 533 505 Reliance Infocom Ltd Internet 4668 507 497 LG-EDS Systems Inc. 855 562 496 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65534 PRIVATE 10.11.12.0/24 10886 University of Maryla 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 65075 PRIVATE 65.127.220.0/23 10886 University of Maryla 65500 PRIVATE 66.225.141.0/24 16796 RealtyIQ.com 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 64982 PRIVATE 89.207.224.0/24 36385 Google Incorporated 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65027 PRIVATE 135.196.97.168/29 8190 VIATEL 65530 PRIVATE 192.147.68.0/24 2901 New Mexico Technet 65500 PRIVATE 192.239.84.0/24 10886 University of Maryla 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In 64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In 64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 65534 PRIVATE 203.222.150.0/24 4817 Techex Primary Netbl 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net 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 10.11.12.0/24 65534 * 192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi 7.1.1.0/24 1239 Sprint 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:20 /9:9 /10:13 /11:34 /12:125 /13:250 /14:452 /15:870 /16:9411 /17:3909 /18:6481 /19:13593 /20:15560 /21:14095 /22:18512 /23:19999 /24:122576 /25:1009 /26:1118 /27:571 /28:254 /29:199 /30:466 /31:0 /32:105
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3685 4922 UUNET Technologies, Inc. 6478 1083 1092 AT&T Worldnet Services 11492 1042 1056 Cable One 18566 983 1001 Covad Communications 9583 936 1098 Sify Limited 23577 912 926 Korea Telecom (ATM-MPLS) 2386 832 1138 AT&T Data Communications Serv 7018 813 1507 AT&T WorldNet Services 2119 810 911 Telenor Internet Access 6197 794 1033 BellSouth Network Solutions, 7011 692 789 Citizens Utilities 9498 636 972 BHARTI BT INTERNET LTD. 4755 598 1200 Videsh Sanchar Nigam Ltd. Aut 705 596 926 UUNET Technologies, Inc. 4766 590 784 Korea Telecom (KIX) 19916 563 568 OLM LLC 8151 558 1158 UniNet S.A. de C.V. 7046 539 788 UUNET Technologies, Inc. 4323 520 1261 Time Warner Telecom 4668 496 507 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 7:1 8:78 9:3 10:1 12:1827 15:19 16:3 17:3 18:8 20:37 24:928 25:1 32:174 38:302 40:57 41:128 43:6 44:2 47:4 52:4 55:2 56:3 57:53 58:397 59:371 60:275 61:942 62:1014 63:3378 64:3197 65:3701 66:3359 67:817 68:637 69:1840 70:504 71:103 72:1303 73:1 74:437 75:259 76:44 77:174 80:933 81:859 82:722 83:405 84:435 85:788 86:363 87:453 88:262 89:854 90:24 91:269 97:6 116:55 121:179 122:520 123:97 124:796 125:924 128:278 129:220 130:123 131:349 132:52 133:11 134:193 135:39 136:183 137:83 138:197 139:117 140:483 141:166 142:393 143:213 144:289 145:43 146:322 147:148 148:398 149:145 150:115 151:145 152:94 153:120 154:5 155:252 156:155 157:184 158:160 159:156 160:105 161:92 162:235 163:146 164:461 165:405 166:234 167:279 168:495 169:120 170:399 171:16 172:1 189:396 190:593 192:5831 193:3820 194:3136 195:2282 196:998 198:3872 199:3386 200:4758 201:978 202:7332 203:7516 204:4097 205:2198 206:2568 207:3139 208:3313 209:3731 210:2492 211:981 212:1361 213:1503 214:406 215:41 216:4181 217:1140 218:375 219:360 220:953 221:400 222:269
End of report
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