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Routing Table Report 00:00 GMT Mon 27 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/2007/08/27
Analysis Summary ----------------
BGP routing table entries examined: 234800 Prefixes after maximum aggregation: 120658 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 110689 Total ASes present in the Internet Routing Table: 26106 Prefixes per ASN: 8.99 Origin-only ASes present in the Internet Routing Table: 22491 Origin ASes announcing only one prefix: 11013 Transit ASes present in the Internet Routing Table: 3615 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 31 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 34 Unregistered ASNs in the Routing Table: 22 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: 1756240964 Equivalent to 104 /8s, 174 /16s and 28 /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: 125308
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55036 Total APNIC prefixes after maximum aggregation: 20710 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 51825 Unique aggregates announced from the APNIC address blocks: 21393 APNIC Region origin ASes present in the Internet Routing Table: 3042 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 805 APNIC Region transit ASes present in the Internet Routing Table: 488 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 312995252 Equivalent to 18 /8s, 167 /16s and 237 /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: 110569 Total ARIN prefixes after maximum aggregation: 63362 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81209 Unique aggregates announced from the ARIN address blocks: 31828 ARIN Region origin ASes present in the Internet Routing Table: 11775 ARIN Prefixes per ASN: 6.90 ARIN Region origin ASes announcing only one prefix: 4498 ARIN Region transit ASes present in the Internet Routing Table: 1179 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 343203168 Equivalent to 20 /8s, 116 /16s and 221 /24s Percentage of available ARIN address space announced: 75.8
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: 49924 Total RIPE prefixes after maximum aggregation: 31088 RIPE Deaggregation factor: 1.61 Prefixes being announced from the RIPE address blocks: 46355 Unique aggregates announced from the RIPE address blocks: 29434 RIPE Region origin ASes present in the Internet Routing Table: 10136 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 5368 RIPE Region transit ASes present in the Internet Routing Table: 1685 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 325891584 Equivalent to 19 /8s, 108 /16s and 182 /24s Percentage of available RIPE address space announced: 74.7
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: 16416 Total LACNIC prefixes after maximum aggregation: 4422 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 14544 Unique aggregates announced from the LACNIC address blocks: 7809 LACNIC Region origin ASes present in the Internet Routing Table: 854 LACNIC Prefixes per ASN: 17.03 LACNIC Region origin ASes announcing only one prefix: 274 LACNIC Region transit ASes present in the Internet Routing Table: 151 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 31 Number of LACNIC addresses announced to Internet: 42091520 Equivalent to 2 /8s, 130 /16s and 68 /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: 2815 Total AfriNIC prefixes after maximum aggregation: 1062 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 2342 Unique aggregates announced from the AfriNIC address blocks: 1342 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 11.48 AfriNIC Region origin ASes announcing only one prefix: 68 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 7437056 Equivalent to 0 /8s, 113 /16s and 123 /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 1336 11150 289 CHINANET-BACKBONE 4755 1336 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1131 108 15 Sify Limited 9498 996 532 66 BHARTI BT INTERNET LTD. 23577 925 34 795 Korea Telecom (ATM-MPLS) 4766 803 5441 319 Korea Telecom (KIX) 17488 794 52 53 Hathway IP Over Cable Interne 7545 734 159 119 TPG Internet Pty Ltd 1221 592 1951 436 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 459 216 270 SingTel Optus Pty Ltd 4538 442 2974 34 China Education and Research 9942 438 74 111 COMindico Australia 4802 432 116 156 Wantree Development 4837 366 5104 167 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1136 1077 182 Telenor Internet Access 702 490 1905 392 UUNET - Commercial IP service 24863 366 57 39 LINKdotNET AS number 9116 341 168 26 Goldenlines main autonomous s 8551 321 316 40 Bezeq International 3301 313 1456 293 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 288 130 264 Dynamic Network Technologies, 1273 287 306 105 Cable & Wireless Deutschland 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 261 441 243 COLT Telecommunications 3215 258 2424 98 France Telecom Transpac 3352 226 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 214 1441 24 TTnet Autonomous System 1257 204 1195 169 SWIPnet Swedish IP Network 3300 201 172 95 AUCS Communications Services 2856 195 2319 155 BTnet UK Regional network
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1477 10164 991 AT&T WorldNet Services 4323 1319 992 371 Time Warner Telecom 2386 1218 618 751 AT&T Data Communications Serv 6478 1140 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 174 974 6780 861 Cogent Communications 701 937 6576 716 UUNET Technologies, Inc. 7011 917 277 554 Citizens Utilities 20115 815 748 440 Charter Communications 1239 796 2721 564 Sprint 19262 767 2743 186 Verizon Global Networks 22773 758 2148 49 Cox Communications, Inc. 209 741 3836 585 Qwest 577 705 813 202 Bell Advanced Communications 5668 643 172 24 CenturyTel Internet Holdings, 6517 588 165 36 Yipes Communications, Inc. 852 587 1079 361 Telus Advanced Communications 3356 575 10825 337 Level 3 Communications, LLC
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1336 1265 Videsh Sanchar Nigam Ltd. Aut 11492 1135 1119 Cable One 9583 1131 1116 Sify Limited 4134 1336 1047 CHINANET-BACKBONE 18566 1020 1011 Covad Communications 6478 1140 1006 AT&T Worldnet Services 2119 1136 954 Telenor Internet Access 4323 1319 948 Time Warner Telecom 9498 996 930 BHARTI BT INTERNET LTD. 17488 794 741 Hathway IP Over Cable Interne 22773 758 709 Cox Communications, Inc. 8151 897 694 UniNet S.A. de C.V. 5668 643 619 CenturyTel Internet Holdings, 7545 734 615 TPG Internet Pty Ltd 19262 767 581 Verizon Global Networks 6517 588 552 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 65016 PRIVATE 155.248.0.0/16 5483 Hungarian Telecom 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 /14:474 /15:931 /16:9654 /17:4156 /18:6713 /19:14075 /20:16472 /21:15129 /22:19582 /23:20653 /24:122622 /25:1067 /26:1379 /27:590 /28:261 /29:186 /30:284 /31:5 /32:89
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6478 1139 1140 AT&T Worldnet Services 11492 1128 1135 Cable One 2119 1018 1136 Telenor Internet Access 18566 1002 1020 Covad Communications 9583 966 1131 Sify Limited 23577 916 925 Korea Telecom (ATM-MPLS) 2386 910 1218 AT&T Data Communications Serv 7018 814 1477 AT&T WorldNet Services 7011 813 917 Citizens Utilities 6197 784 1031 BellSouth Network Solutions, 4755 721 1336 Videsh Sanchar Nigam Ltd. Aut 9498 668 996 BHARTI BT INTERNET LTD. 17488 617 794 Hathway IP Over Cable Interne 4766 601 803 Korea Telecom (KIX) 19916 563 568 OLM LLC 6517 554 588 Yipes Communications, Inc. 4323 553 1319 Time Warner Telecom 15270 532 568 PaeTec.net -a division of Pae 5668 508 643 CenturyTel Internet Holdings, 4668 506 516 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:88 12:1826 13:2 15:19 16:3 17:3 18:13 20:37 24:981 25:1 32:173 33:3 38:347 40:60 41:311 43:6 44:2 47:4 52:4 55:3 56:3 57:46 58:475 59:388 60:368 61:1022 62:998 63:2015 64:3220 65:2422 66:3420 67:799 68:656 69:1974 70:455 71:115 72:1394 73:2 74:639 75:302 76:129 77:297 78:43 80:843 81:838 82:720 83:390 84:606 85:881 86:341 87:485 88:287 89:959 90:25 91:510 97:5 116:322 117:144 118:1 121:269 122:593 123:152 124:672 125:993 128:275 129:215 130:140 131:364 132:55 133:9 134:197 135:34 136:155 137:85 138:149 139:122 140:496 141:173 142:397 143:255 144:300 145:46 146:327 147:125 148:383 149:143 150:112 151:159 152:92 153:122 154:4 155:263 156:161 157:214 158:158 159:171 160:113 161:96 162:176 163:181 164:484 165:395 166:285 167:296 168:514 169:122 170:391 171:22 172:2 189:69 190:993 192:5807 193:4000 194:3257 195:2367 196:1041 198:3903 199:3282 200:5139 201:1182 202:7456 203:7726 204:3963 205:1997 206:2480 207:2916 208:2811 209:3513 210:2474 211:1135 212:1350 213:1524 214:413 215:41 216:3993 217:1209 218:384 219:386 220:1038 221:417 222:265
End of report
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