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Routing Table Report 00:00 GMT Sun 28 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/2007/10/28
Analysis Summary ----------------
BGP routing table entries examined: 242431 Prefixes after maximum aggregation: 122537 Deaggregation factor: 1.98 Unique aggregates announced to Internet: 114062 Total ASes present in the Internet Routing Table: 26626 Prefixes per ASN: 9.11 Origin-only ASes present in the Internet Routing Table: 23130 Origin ASes announcing only one prefix: 11264 Transit ASes present in the Internet Routing Table: 3496 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 25 Max AS path prepend of ASN (43329) 20 Prefixes from unregistered ASNs in the Routing Table: 52 Unregistered ASNs in the Routing Table: 20 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: 1783243580 Equivalent to 106 /8s, 74 /16s and 35 /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: 58427 Total APNIC prefixes after maximum aggregation: 20960 APNIC Deaggregation factor: 2.79 Prefixes being announced from the APNIC address blocks: 55254 Unique aggregates announced from the APNIC address blocks: 21966 APNIC Region origin ASes present in the Internet Routing Table: 3092 APNIC Prefixes per ASN: 17.87 APNIC Region origin ASes announcing only one prefix: 803 APNIC Region transit ASes present in the Internet Routing Table: 468 Average APNIC Region AS path length visible: 5.8 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 322983892 Equivalent to 19 /8s, 64 /16s and 87 /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: 112710 Total ARIN prefixes after maximum aggregation: 63964 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83170 Unique aggregates announced from the ARIN address blocks: 32497 ARIN Region origin ASes present in the Internet Routing Table: 11929 ARIN Prefixes per ASN: 6.97 ARIN Region origin ASes announcing only one prefix: 4585 ARIN Region transit ASes present in the Internet Routing Table: 1142 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 349666080 Equivalent to 20 /8s, 215 /16s and 123 /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: 50789 Total RIPE prefixes after maximum aggregation: 31929 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 47269 Unique aggregates announced from the RIPE address blocks: 30466 RIPE Region origin ASes present in the Internet Routing Table: 10443 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5525 RIPE Region transit ASes present in the Internet Routing Table: 1657 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 334166816 Equivalent to 19 /8s, 234 /16s and 251 /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: 17608 Total LACNIC prefixes after maximum aggregation: 4599 LACNIC Deaggregation factor: 3.83 Prefixes being announced from the LACNIC address blocks: 15573 Unique aggregates announced from the LACNIC address blocks: 8677 LACNIC Region origin ASes present in the Internet Routing Table: 875 LACNIC Prefixes per ASN: 17.80 LACNIC Region origin ASes announcing only one prefix: 282 LACNIC Region transit ASes present in the Internet Routing Table: 152 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 44826880 Equivalent to 2 /8s, 172 /16s and 1 /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: 2837 Total AfriNIC prefixes after maximum aggregation: 1069 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 2403 Unique aggregates announced from the AfriNIC address blocks: 1396 AfriNIC Region origin ASes present in the Internet Routing Table: 212 AfriNIC Prefixes per ASN: 11.33 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 39 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7632896 Equivalent to 0 /8s, 116 /16s and 120 /24s Percentage of available AfriNIC address space announced: 22.7
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 1119 108 15 Sify Limited 4134 1098 11539 299 CHINANET-BACKBONE 9498 1013 550 68 BHARTI BT INTERNET LTD. 23577 913 34 788 Korea Telecom (ATM-MPLS) 17488 855 55 67 Hathway IP Over Cable Interne 4766 816 5473 327 Korea Telecom (KIX) 7545 721 159 118 TPG Internet Pty Ltd 18101 606 119 51 Reliance Infocom Ltd Internet 1221 592 1950 437 Telstra Pty Ltd 9829 530 1312 9 BSNL National Internet Backbo 4812 523 858 76 China Telecom (Shanghai) 4668 518 68 10 LG-EDS Systems Inc. 17676 502 10903 63 Softbank BB Corp. 4808 495 790 118 CNCGROUP IP network: China169 4802 487 133 141 Wantree Development 7474 450 201 262 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 702 473 1920 386 UUNET - Commercial IP service 24863 374 58 38 LINKdotNET AS number 8551 349 334 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 281 306 105 Cable & Wireless Deutschland 6746 275 129 252 Dynamic Network Technologies, 8708 271 421 243 Romania Data Systems S.A. 8866 269 62 25 Bulgarian Telecommunication C 680 266 2045 254 DFN-IP service G-WiN 3215 264 2504 99 France Telecom Transpac 8220 258 445 238 COLT Telecommunications 5089 237 1658 55 NTL Group Limited 3352 232 1916 40 Ibernet, Internet Access Netw 3269 228 2935 75 TELECOM ITALIA 9121 213 1442 25 TTnet Autonomous System 3300 208 172 97 AUCS Communications Services 1257 207 1194 176 SWIPnet Swedish IP Network 3246 197 257 184 Song Networks
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1492 10234 995 AT&T WorldNet Services 4323 1344 1009 355 Time Warner Telecom 2386 1239 613 761 AT&T Data Communications Serv 11492 1156 117 39 Cable One 6478 1115 328 197 AT&T Worldnet Services 6197 1030 690 517 BellSouth Network Solutions, 18566 1028 288 9 Covad Communications 174 990 6802 844 Cogent Communications 7011 967 289 558 Citizens Utilities 701 885 6558 693 UUNET Technologies, Inc. 20115 848 774 465 Charter Communications 3561 819 2341 381 Savvis 22773 799 2133 54 Cox Communications, Inc. 1239 797 2697 555 Sprint 19262 788 2836 179 Verizon Global Networks 3356 764 10891 398 Level 3 Communications, LLC 209 732 3784 574 Qwest 5668 663 176 17 CenturyTel Internet Holdings, 577 599 843 208 Bell Advanced Communications 15270 599 161 39 PaeTec.net -a division of Pae
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 1119 1104 Sify Limited 18566 1028 1019 Covad Communications 4323 1344 989 Time Warner Telecom 9498 1013 945 BHARTI BT INTERNET LTD. 6478 1115 918 AT&T Worldnet Services 8151 1045 836 UniNet S.A. de C.V. 4134 1098 799 CHINANET-BACKBONE 17488 855 788 Hathway IP Over Cable Interne 22773 799 745 Cox Communications, Inc. 5668 663 646 CenturyTel Internet Holdings, 19262 788 609 Verizon Global Networks 7545 721 603 TPG Internet Pty Ltd 15270 599 560 PaeTec.net -a division of Pae 6517 591 556 Yipes Communications, Inc. 18101 606 555 Reliance Infocom Ltd Internet 19916 569 522 OLM LLC 9829 530 521 BSNL National Internet Backbo 6197 1030 513 BellSouth Network Solutions,
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 64999 PRIVATE 78.24.120.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.122.0/23 3257 Tiscali Intl Network 64999 PRIVATE 78.24.124.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.125.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.126.0/24 3257 Tiscali Intl Network 64999 PRIVATE 78.24.127.0/24 3257 Tiscali Intl Network 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 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 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 /15:957 /16:9803 /17:4261 /18:6806 /19:14770 /20:17690 /21:15822 /22:20193 /23:21204 /24:126491 /25:903 /26:1122 /27:629 /28:275 /29:195 /30:263 /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 954 1119 Sify Limited 4538 932 2768 China Education and Research 2386 931 1239 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 1492 AT&T WorldNet Services 6197 776 1030 BellSouth Network Solutions, 9498 699 1013 BHARTI BT INTERNET LTD. 17488 674 855 Hathway IP Over Cable Interne 4766 607 816 Korea Telecom (KIX) 4323 568 1344 Time Warner Telecom 19916 564 569 OLM LLC 15270 562 599 PaeTec.net -a division of Pae 6517 545 591 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 12:1814 13:1 15:19 16:3 17:5 18:13 20:36 24:1012 25:1 32:174 33:3 38:356 40:64 41:347 43:6 44:2 47:4 52:3 55:3 56:3 57:38 58:507 59:425 60:380 61:988 62:989 63:1994 64:3382 65:2432 66:3633 67:846 68:678 69:2005 70:482 71:120 72:1416 73:6 74:736 75:320 76:157 77:413 78:248 79:4 80:870 81:801 82:601 83:361 84:639 85:838 86:350 87:581 88:284 89:1046 90:39 91:691 92:4 96:1 97:6 98:9 116:419 117:204 118:39 121:325 122:636 123:202 124:704 125:1041 128:277 129:196 130:138 131:367 132:61 133:8 134:194 135:34 136:188 137:86 138:156 139:104 140:509 141:145 142:369 143:254 144:317 145:46 146:328 147:130 148:534 149:189 150:114 151:137 152:86 153:121 154:12 155:261 156:162 157:225 158:160 159:195 160:142 161:99 162:190 163:184 164:505 165:401 166:301 167:308 168:497 169:126 170:406 171:22 172:3 189:118 190:1213 192:5746 193:4025 194:3287 195:2558 196:1002 198:3885 199:3225 200:5233 201:1234 202:7829 203:7856 204:3986 205:2009 206:2445 207:2823 208:2932 209:3621 210:2800 211:1206 212:1368 213:1544 214:413 215:44 216:4161 217:1204 218:388 219:460 220:1012 221:413 222:309
End of report
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