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Routing Table Report 00:00 GMT Sat 25 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/2007/08/25
Analysis Summary ----------------
BGP routing table entries examined: 234802 Prefixes after maximum aggregation: 120602 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 110581 Total ASes present in the Internet Routing Table: 26089 Prefixes per ASN: 9.00 Origin-only ASes present in the Internet Routing Table: 22516 Origin ASes announcing only one prefix: 11002 Transit ASes present in the Internet Routing Table: 3573 Transit-only ASes present in the Internet Routing Table: 91 Average AS path length visible in the Internet Routing Table: 4.0 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: 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: 1755845476 Equivalent to 104 /8s, 168 /16s and 19 /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: 125329
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55018 Total APNIC prefixes after maximum aggregation: 20663 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 51816 Unique aggregates announced from the APNIC address blocks: 21323 APNIC Region origin ASes present in the Internet Routing Table: 3032 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 800 APNIC Region transit ASes present in the Internet Routing Table: 484 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 312980148 Equivalent to 18 /8s, 167 /16s and 178 /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: 110595 Total ARIN prefixes after maximum aggregation: 63348 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 81203 Unique aggregates announced from the ARIN address blocks: 31849 ARIN Region origin ASes present in the Internet Routing Table: 11776 ARIN Prefixes per ASN: 6.90 ARIN Region origin ASes announcing only one prefix: 4502 ARIN Region transit ASes present in the Internet Routing Table: 1147 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 343144032 Equivalent to 20 /8s, 115 /16s and 246 /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: 49909 Total RIPE prefixes after maximum aggregation: 31094 RIPE Deaggregation factor: 1.61 Prefixes being announced from the RIPE address blocks: 46347 Unique aggregates announced from the RIPE address blocks: 29421 RIPE Region origin ASes present in the Internet Routing Table: 10130 RIPE Prefixes per ASN: 4.58 RIPE Region origin ASes announcing only one prefix: 5360 RIPE Region transit ASes present in the Internet Routing Table: 1682 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 325875456 Equivalent to 19 /8s, 108 /16s and 119 /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: 16423 Total LACNIC prefixes after maximum aggregation: 4427 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 14513 Unique aggregates announced from the LACNIC address blocks: 7784 LACNIC Region origin ASes present in the Internet Routing Table: 852 LACNIC Prefixes per ASN: 17.03 LACNIC Region origin ASes announcing only one prefix: 270 LACNIC Region transit ASes present in the Internet Routing Table: 150 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 31 Number of LACNIC addresses announced to Internet: 42086656 Equivalent to 2 /8s, 130 /16s and 49 /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: 2817 Total AfriNIC prefixes after maximum aggregation: 1056 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 2343 Unique aggregates announced from the AfriNIC address blocks: 1342 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 11.32 AfriNIC Region origin ASes announcing only one prefix: 70 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: 7439616 Equivalent to 0 /8s, 113 /16s and 133 /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 1130 108 15 Sify Limited 9498 996 532 66 BHARTI BT INTERNET LTD. 23577 924 34 794 Korea Telecom (ATM-MPLS) 4766 800 5441 316 Korea Telecom (KIX) 17488 778 51 54 Hathway IP Over Cable Interne 7545 734 159 118 TPG Internet Pty Ltd 1221 593 1951 437 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 456 216 270 SingTel Optus Pty Ltd 4538 442 2974 34 China Education and Research 9942 437 74 110 COMindico Australia 4802 433 117 157 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 1132 1079 184 Telenor Internet Access 702 489 1905 391 UUNET - Commercial IP service 24863 365 57 39 LINKdotNET AS number 9116 342 168 26 Goldenlines main autonomous s 8551 320 315 43 Bezeq International 3301 313 1456 293 TeliaNet Sweden 3320 313 6035 260 Deutsche Telekom AG 6746 288 130 264 Dynamic Network Technologies, 1273 286 306 105 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 260 440 242 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 96 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 1483 10164 992 AT&T WorldNet Services 4323 1323 992 372 Time Warner Telecom 2386 1217 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 701 938 6578 717 UUNET Technologies, Inc. 7011 918 277 554 Citizens Utilities 20115 816 748 435 Charter Communications 1239 796 2721 564 Sprint 19262 767 2743 186 Verizon Global Networks 22773 759 2148 49 Cox Communications, Inc. 209 742 3837 587 Qwest 577 705 813 202 Bell Advanced Communications 5668 643 172 24 CenturyTel Internet Holdings, 6517 589 165 37 Yipes Communications, Inc. 852 587 1095 361 Telus Advanced Communications 3356 577 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 1130 1115 Sify Limited 4134 1336 1047 CHINANET-BACKBONE 18566 1020 1011 Covad Communications 6478 1140 1006 AT&T Worldnet Services 4323 1323 951 Time Warner Telecom 2119 1132 948 Telenor Internet Access 9498 996 930 BHARTI BT INTERNET LTD. 17488 778 724 Hathway IP Over Cable Interne 8151 922 713 UniNet S.A. de C.V. 22773 759 710 Cox Communications, Inc. 5668 643 619 CenturyTel Internet Holdings, 7545 734 616 TPG Internet Pty Ltd 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 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 /16:9652 /17:4158 /18:6713 /19:14062 /20:16459 /21:15142 /22:19590 /23:20657 /24:122620 /25:1063 /26:1383 /27:591 /28:264 /29:187 /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 1012 1132 Telenor Internet Access 18566 1002 1020 Covad Communications 9583 965 1130 Sify Limited 23577 915 924 Korea Telecom (ATM-MPLS) 2386 909 1217 AT&T Data Communications Serv 7018 820 1483 AT&T WorldNet Services 7011 814 918 Citizens Utilities 6197 784 1031 BellSouth Network Solutions, 4755 721 1336 Videsh Sanchar Nigam Ltd. Aut 9498 668 996 BHARTI BT INTERNET LTD. 17488 601 778 Hathway IP Over Cable Interne 4766 598 800 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 556 1323 Time Warner Telecom 6517 555 589 Yipes Communications, Inc. 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 12:1827 13:2 15:19 16:3 17:3 18:13 20:37 24:984 25:1 32:173 33:3 38:347 40:60 41:313 43:6 44:2 47:4 52:4 55:3 56:3 57:46 58:471 59:388 60:366 61:1023 62:997 63:2018 64:3223 65:2423 66:3421 67:799 68:656 69:1975 70:456 71:115 72:1390 73:2 74:637 75:302 76:129 77:295 78:46 80:848 81:838 82:719 83:386 84:607 85:870 86:340 87:484 88:287 89:953 90:25 91:508 97:5 116:308 117:142 121:258 122:593 123:151 124:671 125:993 128:275 129:215 130:140 131:364 132:55 133:9 134:197 135:34 136:189 137:85 138:156 139:122 140:494 141:170 142:397 143:255 144:297 145:46 146:327 147:123 148:410 149:143 150:111 151:159 152:92 153:122 154:4 155:263 156:161 157:214 158:158 159:171 160:113 161:99 162:176 163:181 164:485 165:397 166:285 167:296 168:513 169:122 170:388 171:22 172:2 189:69 190:991 192:5800 193:4001 194:3257 195:2368 196:1039 198:3894 199:3286 200:5109 201:1183 202:7471 203:7741 204:3965 205:1992 206:2479 207:2934 208:2804 209:3510 210:2481 211:1134 212:1354 213:1526 214:415 215:41 216:3992 217:1198 218:380 219:386 220:1036 221:415 222:264
End of report
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