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Routing Table Report 00:00 GMT Mon 29 Oct, 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/2007/10/29
Analysis Summary ----------------
BGP routing table entries examined: 242494 Prefixes after maximum aggregation: 122569 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 114068 Total ASes present in the Internet Routing Table: 26643 Prefixes per ASN: 9.10 Origin-only ASes present in the Internet Routing Table: 23093 Origin ASes announcing only one prefix: 11265 Transit ASes present in the Internet Routing Table: 3550 Transit-only ASes present in the Internet Routing Table: 87 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 28 Max AS path prepend of ASN (43329) 20 Prefixes from unregistered ASNs in the Routing Table: 50 Unregistered ASNs in the Routing Table: 22 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1783182396 Equivalent to 106 /8s, 73 /16s and 52 /24s Percentage of available address space announced: 48.1 Percentage of allocated address space announced: 62.3 Percentage of available address space allocated: 77.3 Total number of prefixes smaller than registry allocations: 112850
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 58473 Total APNIC prefixes after maximum aggregation: 20991 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 55287 Unique aggregates announced from the APNIC address blocks: 21978 APNIC Region origin ASes present in the Internet Routing Table: 3088 APNIC Prefixes per ASN: 17.90 APNIC Region origin ASes announcing only one prefix: 802 APNIC Region transit ASes present in the Internet Routing Table: 473 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 322970836 Equivalent to 19 /8s, 64 /16s and 36 /24s Percentage of available APNIC address space announced: 80.0
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, 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: 112762 Total ARIN prefixes after maximum aggregation: 64030 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83190 Unique aggregates announced from the ARIN address blocks: 32518 ARIN Region origin ASes present in the Internet Routing Table: 11935 ARIN Prefixes per ASN: 6.97 ARIN Region origin ASes announcing only one prefix: 4589 ARIN Region transit ASes present in the Internet Routing Table: 1170 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 349712672 Equivalent to 20 /8s, 216 /16s and 49 /24s Percentage of available ARIN address space announced: 77.2
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: 50274 Total RIPE prefixes after maximum aggregation: 31879 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 47245 Unique aggregates announced from the RIPE address blocks: 30474 RIPE Region origin ASes present in the Internet Routing Table: 10448 RIPE Prefixes per ASN: 4.52 RIPE Region origin ASes announcing only one prefix: 5524 RIPE Region transit ASes present in the Internet Routing Table: 1659 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 334299680 Equivalent to 19 /8s, 237 /16s and 2 /24s Percentage of available RIPE address space announced: 76.6
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 40960-45055 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 17593 Total LACNIC prefixes after maximum aggregation: 4553 LACNIC Deaggregation factor: 3.86 Prefixes being announced from the LACNIC address blocks: 15588 Unique aggregates announced from the LACNIC address blocks: 8631 LACNIC Region origin ASes present in the Internet Routing Table: 869 LACNIC Prefixes per ASN: 17.94 LACNIC Region origin ASes announcing only one prefix: 278 LACNIC Region transit ASes present in the Internet Routing Table: 152 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 44842240 Equivalent to 2 /8s, 172 /16s and 61 /24s Percentage of available LACNIC address space announced: 44.5
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 3334 Total AfriNIC prefixes after maximum aggregation: 1100 AfriNIC Deaggregation factor: 3.03 Prefixes being announced from the AfriNIC address blocks: 2405 Unique aggregates announced from the AfriNIC address blocks: 1398 AfriNIC Region origin ASes present in the Internet Routing Table: 215 AfriNIC Prefixes per ASN: 11.19 AfriNIC Region origin ASes announcing only one prefix: 72 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7634432 Equivalent to 0 /8s, 116 /16s and 126 /24s Percentage of available AfriNIC address space announced: 22.8
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 4538 2768 2974 36 China Education and Research 4755 1473 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1118 108 15 Sify Limited 4134 1097 11531 298 CHINANET-BACKBONE 9498 1014 550 68 BHARTI BT INTERNET LTD. 23577 913 34 787 Korea Telecom (ATM-MPLS) 17488 855 55 67 Hathway IP Over Cable Interne 4766 816 5473 327 Korea Telecom (KIX) 7545 722 159 119 TPG Internet Pty Ltd 18101 606 119 51 Reliance Infocom Ltd Internet 1221 594 1951 439 Telstra Pty Ltd 9829 531 1313 10 BSNL National Internet Backbo 4812 523 858 76 China Telecom (Shanghai) 4668 518 68 10 LG-EDS Systems Inc. 4808 508 808 123 CNCGROUP IP network: China169 17676 503 10919 64 Softbank BB Corp. 4802 487 133 141 Wantree Development 7474 456 202 267 SingTel Optus Pty Ltd 9443 442 121 73 Primus Telecommunications 9942 419 74 109 COMindico Australia
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 471 1903 384 UUNET - Commercial IP service 8551 348 334 33 Bezeq International 9116 334 168 28 Goldenlines main autonomous s 3301 317 1441 294 TeliaNet Sweden 3320 315 6035 262 Deutsche Telekom AG 1273 280 306 105 Cable & Wireless Deutschland 6746 274 129 251 Dynamic Network Technologies, 8708 271 421 243 Romania Data Systems S.A. 8866 268 62 25 Bulgarian Telecommunication C 680 266 2045 254 DFN-IP service G-WiN 3215 264 2504 99 France Telecom Transpac 8220 259 445 239 COLT Telecommunications 5089 236 1658 54 NTL Group Limited 3352 232 1916 40 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 8452 220 188 7 TEDATA 9121 213 1442 25 TTnet Autonomous System 3300 209 172 97 AUCS Communications Services 1257 207 1194 176 SWIPnet Swedish IP Network 3246 196 257 183 Song Networks
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1489 6137 995 AT&T WorldNet Services 4323 1346 1009 358 Time Warner Telecom 2386 1240 614 762 AT&T Data Communications Serv 11492 1156 117 39 Cable One 6478 1115 328 197 AT&T Worldnet Services 6197 1032 718 508 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 994 6803 847 Cogent Communications 7011 967 289 558 Citizens Utilities 701 884 6557 692 UUNET Technologies, Inc. 20115 846 773 464 Charter Communications 3561 816 2325 379 Savvis 22773 800 2133 54 Cox Communications, Inc. 1239 798 2713 558 Sprint 19262 795 2853 186 Verizon Global Networks 3356 754 10891 395 Level 3 Communications, LLC 209 717 3782 561 Qwest 5668 663 176 17 CenturyTel Internet Holdings, 15270 605 161 39 PaeTec.net -a division of Pae 577 593 843 208 Bell Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1473 1406 Videsh Sanchar Nigam Ltd. Aut 11492 1156 1117 Cable One 9583 1118 1103 Sify Limited 18566 1028 1019 Covad Communications 4323 1346 988 Time Warner Telecom 9498 1014 946 BHARTI BT INTERNET LTD. 6478 1115 918 AT&T Worldnet Services 8151 1054 839 UniNet S.A. de C.V. 4134 1097 799 CHINANET-BACKBONE 17488 855 788 Hathway IP Over Cable Interne 22773 800 746 Cox Communications, Inc. 5668 663 646 CenturyTel Internet Holdings, 19262 795 609 Verizon Global Networks 7545 722 603 TPG Internet Pty Ltd 15270 605 566 PaeTec.net -a division of Pae 18101 606 555 Reliance Infocom Ltd Internet 6517 586 553 Yipes Communications, Inc. 6197 1032 524 BellSouth Network Solutions, 19916 569 522 OLM LLC 9829 531 521 BSNL National Internet Backbo
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64250 RESERVED 59.144.44.0/24 9498 BHARTI BT INTERNET L 65100 PRIVATE 80.10.250.0/24 3215 France Telecom Trans 64250 RESERVED 122.167.64.0/19 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.96.0/20 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.112.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.176.0/21 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.188.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.192.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.196.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.200.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.204.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.208.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.212.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.216.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.220.0/22 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.240.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.242.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.244.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.167.246.0/23 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.0.0/24 9498 BHARTI BT INTERNET L 64250 RESERVED 122.171.1.0/24 9498 BHARTI BT INTERNET L 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 64635 PRIVATE 148.147.0.0/16 18676 Avaya Inc. 64626 PRIVATE 155.184.0.0/16 18676 Avaya Inc. 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 65100 PRIVATE 193.253.152.0/24 3215 France Telecom Trans 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 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 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.64/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 65002 PRIVATE 198.128.4.0/24 292 Energy Sciences Netw 65001 PRIVATE 198.128.15.96/27 293 Energy Sciences Netw 65002 PRIVATE 198.129.33.36/32 292 Energy Sciences Netw 65001 PRIVATE 198.129.44.28/32 293 Energy Sciences Netw 65002 PRIVATE 198.129.224.96/29 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.32/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.112/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.116/30 292 Energy Sciences Netw 65002 PRIVATE 198.129.252.120/30 292 Energy Sciences Netw 65535 PRIVATE 200.62.98.0/24 7137 TELEMATIX/ ENITEL 65511 PRIVATE 209.251.149.0/24 10674 GRUCom 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 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 172.31.46.0/24 38416 KRNIC 192.0.2.0/24 2854 RoSprint AS (Global One Russi 192.168.253.0/24 4323 Time Warner Telecom
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 192.0.10.0/24 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 /8:18 /9:9 /10:16 /11:38 /12:135 /13:274 /14:486 /15:956 /16:9806 /17:4262 /18:6803 /19:14772 /20:17693 /21:15823 /22:20186 /23:21213 /24:126547 /25:903 /26:1123 /27:629 /28:273 /29:194 /30:264 /31:0 /32:71
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1148 1156 Cable One 6478 1114 1115 AT&T Worldnet Services 18566 1010 1028 Covad Communications 9583 953 1118 Sify Limited 4538 932 2768 China Education and Research 2386 931 1240 AT&T Data Communications Serv 23577 904 913 Korea Telecom (ATM-MPLS) 7011 854 967 Citizens Utilities 4755 844 1473 Videsh Sanchar Nigam Ltd. Aut 7018 820 1489 AT&T WorldNet Services 6197 776 1032 BellSouth Network Solutions, 9498 700 1014 BHARTI BT INTERNET LTD. 17488 674 855 Hathway IP Over Cable Interne 4766 607 816 Korea Telecom (KIX) 15270 568 605 PaeTec.net -a division of Pae 4323 567 1346 Time Warner Telecom 19916 564 569 OLM LLC 6517 541 586 Yipes Communications, Inc. 5668 521 663 CenturyTel Internet Holdings, 4668 508 518 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:88 12:1813 13:1 15:19 16:3 17:5 18:13 20:36 24:1012 25:1 32:174 33:3 38:358 40:64 41:347 43:6 44:2 47:8 52:3 55:3 56:3 57:38 58:507 59:425 60:380 61:988 62:990 63:1996 64:3384 65:2433 66:3634 67:847 68:678 69:2005 70:482 71:121 72:1414 73:6 74:738 75:320 76:157 77:413 78:248 79:4 80:869 81:801 82:602 83:359 84:640 85:831 86:350 87:578 88:284 89:1044 90:38 91:693 92:4 96:1 97:6 98:9 116:419 117:205 118:39 121:327 122:636 123:204 124:704 125:1042 128:277 129:196 130:138 131:367 132:61 133:9 134:193 135:34 136:187 137:86 138:156 139:104 140:509 141:145 142:371 143:254 144:317 145:46 146:328 147:130 148:533 149:188 150:114 151:137 152:92 153:121 154:12 155:261 156:162 157:224 158:160 159:195 160:142 161:99 162:189 163:184 164:502 165:401 166:302 167:308 168:497 169:126 170:407 171:22 172:3 189:118 190:1207 192:5749 193:4021 194:3284 195:2560 196:1001 198:3886 199:3227 200:5252 201:1233 202:7826 203:7874 204:3989 205:2011 206:2444 207:2826 208:2944 209:3622 210:2801 211:1206 212:1365 213:1546 214:416 215:44 216:4162 217:1197 218:388 219:460 220:1014 221:413 222:309
End of report
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