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Routing Table Report 00:00 GMT Fri 24 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/2007/08/24
Analysis Summary ----------------
BGP routing table entries examined: 234612 Prefixes after maximum aggregation: 120848 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 110253 Total ASes present in the Internet Routing Table: 25971 Prefixes per ASN: 9.03 Origin-only ASes present in the Internet Routing Table: 22500 Origin ASes announcing only one prefix: 10948 Transit ASes present in the Internet Routing Table: 3471 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 28 Max AS path prepend of ASN (42025) 17 Prefixes from unregistered ASNs in the Routing Table: 33 Unregistered ASNs in the Routing Table: 21 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1755467588 Equivalent to 104 /8s, 162 /16s and 79 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 125098
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55479 Total APNIC prefixes after maximum aggregation: 20714 APNIC Deaggregation factor: 2.68 Prefixes being announced from the APNIC address blocks: 52281 Unique aggregates announced from the APNIC address blocks: 21346 APNIC Region origin ASes present in the Internet Routing Table: 3046 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 814 APNIC Region transit ASes present in the Internet Routing Table: 474 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 312880564 Equivalent to 18 /8s, 166 /16s and 45 /24s Percentage of available APNIC address space announced: 77.5
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: 110473 Total ARIN prefixes after maximum aggregation: 63302 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81028 Unique aggregates announced from the ARIN address blocks: 31810 ARIN Region origin ASes present in the Internet Routing Table: 11770 ARIN Prefixes per ASN: 6.88 ARIN Region origin ASes announcing only one prefix: 4505 ARIN Region transit ASes present in the Internet Routing Table: 1140 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 343039328 Equivalent to 20 /8s, 114 /16s and 93 /24s Percentage of available ARIN address space announced: 75.7
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: 49450 Total RIPE prefixes after maximum aggregation: 31334 RIPE Deaggregation factor: 1.58 Prefixes being announced from the RIPE address blocks: 45899 Unique aggregates announced from the RIPE address blocks: 29109 RIPE Region origin ASes present in the Internet Routing Table: 10008 RIPE Prefixes per ASN: 4.59 RIPE Region origin ASes announcing only one prefix: 5287 RIPE Region transit ASes present in the Internet Routing Table: 1624 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 325441664 Equivalent to 19 /8s, 101 /16s and 216 /24s Percentage of available RIPE address space announced: 74.6
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 40960-44031 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: 16372 Total LACNIC prefixes after maximum aggregation: 4419 LACNIC Deaggregation factor: 3.70 Prefixes being announced from the LACNIC address blocks: 14501 Unique aggregates announced from the LACNIC address blocks: 7770 LACNIC Region origin ASes present in the Internet Routing Table: 851 LACNIC Prefixes per ASN: 17.04 LACNIC Region origin ASes announcing only one prefix: 271 LACNIC Region transit ASes present in the Internet Routing Table: 147 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 28 Number of LACNIC addresses announced to Internet: 42045184 Equivalent to 2 /8s, 129 /16s and 143 /24s Percentage of available LACNIC address space announced: 62.7
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: 2799 Total AfriNIC prefixes after maximum aggregation: 1065 AfriNIC Deaggregation factor: 2.63 Prefixes being announced from the AfriNIC address blocks: 2325 Unique aggregates announced from the AfriNIC address blocks: 1338 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 11.23 AfriNIC Region origin ASes announcing only one prefix: 71 AfriNIC Region transit ASes present in the Internet Routing Table: 33 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 7439360 Equivalent to 0 /8s, 113 /16s and 132 /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 1349 11142 288 CHINANET-BACKBONE 4755 1334 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1131 108 17 Sify Limited 9498 1002 533 70 BHARTI BT INTERNET LTD. 23577 924 34 794 Korea Telecom (ATM-MPLS) 9394 827 1712 7 CHINA RAILWAY Internet(CRNET) 4766 796 5440 315 Korea Telecom (KIX) 17488 771 50 51 Hathway IP Over Cable Interne 7545 735 159 118 TPG Internet Pty Ltd 1221 595 1951 438 Telstra Pty Ltd 18101 592 119 48 Reliance Infocom Ltd Internet 4812 548 968 97 China Telecom (Shanghai) 4668 516 68 10 LG-EDS Systems Inc. 17676 503 10919 64 Softbank BB Corp. 4808 469 760 104 CNCGROUP IP network: China169 9443 465 122 78 Primus Telecommunications 7474 457 216 268 SingTel Optus Pty Ltd 4538 442 2974 34 China Education and Research 9942 439 75 112 COMindico Australia 4802 432 116 156 Wantree Development
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1129 949 687 Telenor Internet Access 702 503 1922 404 UUNET - Commercial IP service 24863 366 57 40 LINKdotNET AS number 9116 338 168 26 Goldenlines main autonomous s 8551 320 315 43 Bezeq International 3301 314 1456 293 TeliaNet Sweden 3320 312 6035 259 Deutsche Telekom AG 6746 288 130 264 Dynamic Network Technologies, 5089 279 1658 54 NTL Group Limited 680 265 2061 256 DFN-IP service G-WiN 8708 262 420 241 Romania Data Systems S.A. 8220 261 445 243 COLT Telecommunications 3215 258 2424 98 France Telecom Transpac 3352 226 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 211 1441 24 TTnet Autonomous System 1257 204 1195 169 SWIPnet Swedish IP Network 3300 201 172 96 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 1480 10180 988 AT&T WorldNet Services 4323 1323 1007 372 Time Warner Telecom 2386 1215 618 750 AT&T Data Communications Serv 6478 1141 322 134 AT&T Worldnet Services 11492 1135 110 16 Cable One 6197 1031 718 509 BellSouth Network Solutions, 18566 1020 288 9 Covad Communications 174 971 6780 860 Cogent Communications 701 948 6578 727 UUNET Technologies, Inc. 7011 916 261 552 Citizens Utilities 20115 815 748 434 Charter Communications 1239 800 2729 566 Sprint 19262 767 2743 186 Verizon Global Networks 22773 759 2148 49 Cox Communications, Inc. 209 741 3821 586 Qwest 577 705 813 202 Bell Advanced Communications 5668 629 171 24 CenturyTel Internet Holdings, 852 590 1096 363 Telus Advanced Communications 6517 589 165 37 Yipes Communications, Inc. 3356 573 10826 339 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1334 1263 Videsh Sanchar Nigam Ltd. Aut 11492 1135 1119 Cable One 9583 1131 1114 Sify Limited 4134 1349 1061 CHINANET-BACKBONE 18566 1020 1011 Covad Communications 6478 1141 1007 AT&T Worldnet Services 4323 1323 951 Time Warner Telecom 9498 1002 932 BHARTI BT INTERNET LTD. 9394 827 820 CHINA RAILWAY Internet(CRNET) 17488 771 720 Hathway IP Over Cable Interne 22773 759 710 Cox Communications, Inc. 8151 910 701 UniNet S.A. de C.V. 7545 735 617 TPG Internet Pty Ltd 5668 629 605 CenturyTel Internet Holdings, 19262 767 581 Verizon Global Networks 6517 589 552 Yipes Communications, Inc. 18101 592 544 Reliance Infocom Ltd Internet 15270 568 530 PaeTec.net -a division of Pae 6197 1031 522 BellSouth Network Solutions, 19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 64539 PRIVATE 170.213.128.0/24 7132 SBC Internet Service 64539 PRIVATE 170.213.129.0/24 7132 SBC Internet Service 64539 PRIVATE 170.213.132.0/24 7132 SBC Internet Service 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 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 64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous 24410 UNALLOCATED 203.119.28.0/24 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 /11:37 /12:134 /13:265 /14:473 /15:931 /16:9652 /17:4148 /18:6697 /19:14075 /20:16617 /21:15370 /22:19535 /23:20570 /24:122198 /25:1066 /26:1384 /27:590 /28:265 /29:186 /30:283 /31:5 /32:89
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1140 1141 AT&T Worldnet Services 11492 1128 1135 Cable One 2119 1015 1129 Telenor Internet Access 18566 1002 1020 Covad Communications 9583 964 1131 Sify Limited 23577 915 924 Korea Telecom (ATM-MPLS) 2386 908 1215 AT&T Data Communications Serv 7018 820 1480 AT&T WorldNet Services 7011 813 916 Citizens Utilities 6197 784 1031 BellSouth Network Solutions, 4755 720 1334 Videsh Sanchar Nigam Ltd. Aut 9498 670 1002 BHARTI BT INTERNET LTD. 4766 594 796 Korea Telecom (KIX) 17488 594 771 Hathway IP Over Cable Interne 19916 563 568 OLM LLC 4323 555 1323 Time Warner Telecom 6517 555 589 Yipes Communications, Inc. 15270 532 568 PaeTec.net -a division of Pae 4668 506 516 LG-EDS Systems Inc. 18101 499 592 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:88 12:1829 13:1 15:19 16:3 17:3 18:13 20:37 24:984 25:1 32:173 33:3 38:345 40:60 41:306 43:6 44:2 47:4 52:4 55:3 56:3 57:46 58:469 59:387 60:366 61:1025 62:996 63:2010 64:3208 65:2423 66:3416 67:797 68:655 69:1978 70:455 71:114 72:1387 73:2 74:639 75:302 76:129 77:292 78:44 80:845 81:832 82:734 83:388 84:588 85:860 86:314 87:485 88:278 89:898 90:25 91:495 97:5 116:297 117:140 121:267 122:593 123:156 124:672 125:992 126:1 128:276 129:215 130:140 131:364 132:56 133:9 134:198 135:34 136:189 137:85 138:156 139:122 140:491 141:173 142:397 143:255 144:298 145:46 146:327 147:123 148:409 149:143 150:111 151:159 152:91 153:122 154:4 155:263 156:161 157:214 158:158 159:170 160:113 161:99 162:187 163:181 164:485 165:396 166:275 167:297 168:513 169:122 170:391 171:22 172:2 189:70 190:988 192:5802 193:3956 194:3209 195:2341 196:1034 198:3897 199:3287 200:5134 201:1168 202:7458 203:7715 204:3953 205:1984 206:2465 207:2920 208:2784 209:3488 210:2475 211:1133 212:1347 213:1523 214:415 215:41 216:3988 217:1197 218:379 219:386 220:1038 221:415 222:265
End of report
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