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Routing Table Report 00:00 GMT Wed 15 Aug, 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/2007/08/15
Analysis Summary ----------------
BGP routing table entries examined: 234329 Prefixes after maximum aggregation: 121207 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 111224 Total ASes present in the Internet Routing Table: 26023 Prefixes per ASN: 9.00 Origin-only ASes present in the Internet Routing Table: 22601 Origin ASes announcing only one prefix: 11003 Transit ASes present in the Internet Routing Table: 3422 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 20 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 40 Unregistered ASNs in the Routing Table: 19 Prefixes from 32-bit ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1752254788 Equivalent to 104 /8s, 113 /16s and 73 /24s Percentage of available address space announced: 47.3 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 124874
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55247 Total APNIC prefixes after maximum aggregation: 21035 APNIC Deaggregation factor: 2.63 Prefixes being announced from the APNIC address blocks: 52071 Unique aggregates announced from the APNIC address blocks: 22198 APNIC Region origin ASes present in the Internet Routing Table: 3040 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 811 APNIC Region transit ASes present in the Internet Routing Table: 472 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 311535540 Equivalent to 18 /8s, 145 /16s and 167 /24s Percentage of available APNIC address space announced: 77.2
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: 110324 Total ARIN prefixes after maximum aggregation: 63219 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81053 Unique aggregates announced from the ARIN address blocks: 31830 ARIN Region origin ASes present in the Internet Routing Table: 11765 ARIN Prefixes per ASN: 6.89 ARIN Region origin ASes announcing only one prefix: 4514 ARIN Region transit ASes present in the Internet Routing Table: 1118 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 342338144 Equivalent to 20 /8s, 103 /16s and 170 /24s Percentage of available ARIN address space announced: 75.6
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: 49694 Total RIPE prefixes after maximum aggregation: 31500 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 46129 Unique aggregates announced from the RIPE address blocks: 29349 RIPE Region origin ASes present in the Internet Routing Table: 10082 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 5340 RIPE Region transit ASes present in the Internet Routing Table: 1609 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 324234752 Equivalent to 19 /8s, 83 /16s and 110 /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 40960-44031 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: 16208 Total LACNIC prefixes after maximum aggregation: 4386 LACNIC Deaggregation factor: 3.70 Prefixes being announced from the LACNIC address blocks: 14283 Unique aggregates announced from the LACNIC address blocks: 7699 LACNIC Region origin ASes present in the Internet Routing Table: 845 LACNIC Prefixes per ASN: 16.90 LACNIC Region origin ASes announcing only one prefix: 271 LACNIC Region transit ASes present in the Internet Routing Table: 151 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 41888256 Equivalent to 2 /8s, 127 /16s and 42 /24s Percentage of available LACNIC address space announced: 62.4
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: 2814 Total AfriNIC prefixes after maximum aggregation: 1055 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 2344 Unique aggregates announced from the AfriNIC address blocks: 1327 AfriNIC Region origin ASes present in the Internet Routing Table: 205 AfriNIC Prefixes per ASN: 11.43 AfriNIC Region origin ASes announcing only one prefix: 67 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 7444736 Equivalent to 0 /8s, 113 /16s and 153 /24s Percentage of available AfriNIC address space announced: 22.2
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 1345 11142 288 CHINANET-BACKBONE 4755 1323 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1123 80 402 Sify Limited 9498 995 532 69 BHARTI BT INTERNET LTD. 23577 925 34 795 Korea Telecom (ATM-MPLS) 9394 839 1712 7 CHINA RAILWAY Internet(CRNET) 4766 797 5440 315 Korea Telecom (KIX) 17488 751 49 57 Hathway IP Over Cable Interne 7545 697 150 113 TPG Internet Pty Ltd 1221 595 1951 441 Telstra Pty Ltd 18101 592 118 45 Reliance Infocom Ltd Internet 4812 538 947 97 China Telecom (Shanghai) 4668 512 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4808 488 785 111 CNCGROUP IP network: China169 9443 474 122 78 Primus Telecommunications 7474 473 217 271 SingTel Optus Pty Ltd 9942 440 77 113 COMindico Australia 4802 420 112 151 Wantree Development 9829 364 258 15 BSNL National Internet Backbo
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1123 933 684 Telenor Internet Access 702 503 1922 404 UUNET - Commercial IP service 5089 368 1658 53 NTL Group Limited 24863 361 56 40 LINKdotNET AS number 9116 341 168 26 Goldenlines main autonomous s 8551 320 315 43 Bezeq International 3320 315 6035 261 Deutsche Telekom AG 3301 313 1456 293 TeliaNet Sweden 6746 287 130 263 Dynamic Network Technologies, 680 266 2061 257 DFN-IP service G-WiN 8708 261 420 242 Romania Data Systems S.A. 8220 260 445 243 COLT Telecommunications 3215 256 2392 97 France Telecom Transpac 3352 226 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 210 1441 24 TTnet Autonomous System 1257 208 1195 173 SWIPnet Swedish IP Network 3300 200 172 94 AUCS Communications Services 3292 195 1379 175 TDC Tele Danmark 12479 194 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1496 10180 1005 AT&T WorldNet Services 4323 1330 1007 371 Time Warner Telecom 2386 1205 614 743 AT&T Data Communications Serv 11492 1123 109 32 Cable One 6478 1115 322 140 AT&T Worldnet Services 6197 1026 626 523 BellSouth Network Solutions, 18566 1019 288 9 Covad Communications 174 968 6778 858 Cogent Communications 701 930 6559 709 UUNET Technologies, Inc. 7011 906 259 544 Citizens Utilities 20115 807 742 431 Charter Communications 1239 788 2716 558 Sprint 19262 763 2721 182 Verizon Global Networks 22773 753 2148 49 Cox Communications, Inc. 209 738 3853 585 Qwest 577 704 813 206 Bell Advanced Communications 5668 629 171 24 CenturyTel Internet Holdings, 852 589 1094 367 Telus Advanced Communications 6517 577 161 37 Yipes Communications, Inc. 6198 576 716 256 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1323 1253 Videsh Sanchar Nigam Ltd. Aut 11492 1123 1091 Cable One 4134 1345 1057 CHINANET-BACKBONE 18566 1019 1010 Covad Communications 6478 1115 975 AT&T Worldnet Services 4323 1330 959 Time Warner Telecom 9498 995 926 BHARTI BT INTERNET LTD. 9394 839 832 CHINA RAILWAY Internet(CRNET) 9583 1123 721 Sify Limited 22773 753 704 Cox Communications, Inc. 8151 910 701 UniNet S.A. de C.V. 17488 751 694 Hathway IP Over Cable Interne 5668 629 605 CenturyTel Internet Holdings, 7545 697 584 TPG Internet Pty Ltd 19262 763 581 Verizon Global Networks 18101 592 547 Reliance Infocom Ltd Internet 6517 577 540 Yipes Communications, Inc. 15270 568 530 PaeTec.net -a division of Pae 19916 568 517 OLM LLC 6197 1026 503 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64513 PRIVATE 63.171.234.0/26 1803 SPRINT 64513 PRIVATE 63.171.234.64/26 1803 SPRINT 64513 PRIVATE 63.171.234.128/26 1803 SPRINT 64513 PRIVATE 63.171.234.192/26 1803 SPRINT 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65108 PRIVATE 84.234.80.0/20 43379 * 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 65100 PRIVATE 129.6.112.0/24 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 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 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24410 UNALLOCATED 203.119.30.0/24 4134 CHINANET-BACKBONE 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 /8:18 /9:9 /10:15 /11:36 /12:134 /13:262 /14:474 /15:925 /16:9630 /17:4134 /18:6679 /19:14032 /20:16619 /21:15247 /22:19476 /23:20511 /24:122272 /25:1061 /26:1382 /27:586 /28:263 /29:182 /30:292 /31:5 /32:85
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1115 1123 Cable One 6478 1114 1115 AT&T Worldnet Services 2119 1011 1123 Telenor Internet Access 18566 1001 1019 Covad Communications 9583 965 1123 Sify Limited 23577 916 925 Korea Telecom (ATM-MPLS) 2386 899 1205 AT&T Data Communications Serv 7018 819 1496 AT&T WorldNet Services 7011 804 906 Citizens Utilities 6197 784 1026 BellSouth Network Solutions, 4755 709 1323 Videsh Sanchar Nigam Ltd. Aut 9498 663 995 BHARTI BT INTERNET LTD. 4766 594 797 Korea Telecom (KIX) 17488 574 751 Hathway IP Over Cable Interne 19916 563 568 OLM LLC 4323 560 1330 Time Warner Telecom 6517 542 577 Yipes Communications, Inc. 15270 532 568 PaeTec.net -a division of Pae 4668 502 512 LG-EDS Systems Inc. 18101 497 592 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:86 12:1811 13:1 15:19 16:3 17:3 18:12 20:37 24:971 25:1 32:174 33:3 38:344 40:60 41:299 43:6 44:2 47:4 52:4 55:3 56:3 57:37 58:473 59:387 60:350 61:1008 62:997 63:2009 64:3280 65:2447 66:3444 67:774 68:629 69:1955 70:454 71:115 72:1510 73:2 74:620 75:298 76:102 77:278 78:34 80:848 81:835 82:719 83:392 84:606 85:867 86:344 87:479 88:283 89:965 90:22 91:485 97:6 116:288 117:123 121:262 122:576 123:152 124:842 125:980 128:290 129:211 130:140 131:363 132:55 133:9 134:199 135:34 136:188 137:84 138:148 139:120 140:492 141:172 142:397 143:255 144:296 145:46 146:324 147:120 148:407 149:145 150:111 151:159 152:91 153:122 154:4 155:261 156:156 157:211 158:157 159:177 160:108 161:97 162:182 163:180 164:478 165:391 166:270 167:295 168:508 169:121 170:392 171:22 172:2 189:68 190:950 192:5814 193:3987 194:3212 195:2349 196:1059 198:3905 199:3284 200:5085 201:1155 202:7470 203:7674 204:3974 205:1982 206:2472 207:2938 208:2781 209:3536 210:2456 211:1030 212:1335 213:1533 214:413 215:41 216:4000 217:1176 218:371 219:388 220:1030 221:418 222:264
End of report
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