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Routing Table Report 00:00 GMT Thu 05 Jul, 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/2007/07/05
Analysis Summary ----------------
BGP routing table entries examined: 234432 Prefixes after maximum aggregation: 120106 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 109328 Total ASes present in the Internet Routing Table: 25677 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 22217 Origin ASes announcing only one prefix: 10810 Transit ASes present in the Internet Routing Table: 3460 Transit-only ASes present in the Internet Routing Table: 85 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 27 Max AS path prepend of ASN (18747) 22 Prefixes from unregistered ASNs in the Routing Table: 44 Unregistered ASNs in the Routing Table: 23 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1733121796 Equivalent to 103 /8s, 77 /16s and 87 /24s Percentage of available address space announced: 46.8 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 125474
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 53946 Total APNIC prefixes after maximum aggregation: 20793 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 50717 Unique aggregates announced from the APNIC address blocks: 21756 APNIC Region origin ASes present in the Internet Routing Table: 3006 APNIC Prefixes per ASN: 16.87 APNIC Region origin ASes announcing only one prefix: 801 APNIC Region transit ASes present in the Internet Routing Table: 474 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 301798588 Equivalent to 17 /8s, 253 /16s and 20 /24s Percentage of available APNIC address space announced: 74.8
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: 113903 Total ARIN prefixes after maximum aggregation: 63436 ARIN Deaggregation factor: 1.80 Prefixes being announced from the ARIN address blocks: 84687 Unique aggregates announced from the ARIN address blocks: 31078 ARIN Region origin ASes present in the Internet Routing Table: 11679 ARIN Prefixes per ASN: 7.25 ARIN Region origin ASes announcing only one prefix: 4481 ARIN Region transit ASes present in the Internet Routing Table: 1138 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 338613408 Equivalent to 20 /8s, 46 /16s and 212 /24s Percentage of available ARIN address space announced: 74.8
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: 48517 Total RIPE prefixes after maximum aggregation: 30577 RIPE Deaggregation factor: 1.59 Prefixes being announced from the RIPE address blocks: 44997 Unique aggregates announced from the RIPE address blocks: 28906 RIPE Region origin ASes present in the Internet Routing Table: 9889 RIPE Prefixes per ASN: 4.55 RIPE Region origin ASes announcing only one prefix: 5204 RIPE Region transit ASes present in the Internet Routing Table: 1624 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 321566208 Equivalent to 19 /8s, 42 /16s and 182 /24s Percentage of available RIPE address space announced: 79.9
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, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 15378 Total LACNIC prefixes after maximum aggregation: 4245 LACNIC Deaggregation factor: 3.62 Prefixes being announced from the LACNIC address blocks: 13423 Unique aggregates announced from the LACNIC address blocks: 7588 LACNIC Region origin ASes present in the Internet Routing Table: 820 LACNIC Prefixes per ASN: 16.37 LACNIC Region origin ASes announcing only one prefix: 263 LACNIC Region transit ASes present in the Internet Routing Table: 144 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 40247808 Equivalent to 2 /8s, 102 /16s and 34 /24s Percentage of available LACNIC address space announced: 60.0
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: 2644 Total AfriNIC prefixes after maximum aggregation: 1045 AfriNIC Deaggregation factor: 2.53 Prefixes being announced from the AfriNIC address blocks: 2118 Unique aggregates announced from the AfriNIC address blocks: 1244 AfriNIC Region origin ASes present in the Internet Routing Table: 197 AfriNIC Prefixes per ASN: 10.75 AfriNIC Region origin ASes announcing only one prefix: 61 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6278656 Equivalent to 0 /8s, 95 /16s and 206 /24s Percentage of available AfriNIC address space announced: 18.7
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 4134 1347 10189 283 CHINANET-BACKBONE 4755 1259 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1105 79 397 Sify Limited 9498 985 469 66 BHARTI BT INTERNET LTD. 23577 953 35 813 Korea Telecom (ATM-MPLS) 4766 789 4927 312 Korea Telecom (KIX) 17488 711 46 53 Hathway IP Over Cable Interne 7545 683 152 116 TPG Internet Pty Ltd 1221 591 1950 438 Telstra Pty Ltd 18101 561 117 35 Reliance Infocom Ltd Internet 4812 520 904 92 China Telecom (Shanghai) 4668 508 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 485 218 270 SingTel Optus Pty Ltd 9443 471 122 78 Primus Telecommunications 9942 430 76 112 COMindico Australia 4802 412 105 150 Wantree Development 17974 371 130 13 PT TELEKOMUNIKASI INDONESIA 2907 366 1717 304 SINET Japan 9829 363 258 15 BSNL National Internet Backbo
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 1028 1079 182 Telenor Internet Access 702 503 1914 402 UUNET - Commercial IP service 24863 355 56 36 LINKdotNET AS number 5089 332 1658 52 NTL Group Limited 8551 322 312 50 Bezeq International 3301 310 1455 290 TeliaNet Sweden 3320 309 6034 256 Deutsche Telekom AG 6746 280 129 256 Dynamic Network Technologies, 680 263 2044 255 DFN-IP service G-WiN 9116 260 136 25 Goldenlines main autonomous s 3215 255 2376 96 France Telecom Transpac 8708 249 420 239 Romania Data Systems S.A. 3352 248 1864 41 Ibernet, Internet Access Netw 8220 246 439 237 COLT Telecommunications 3269 222 2775 74 TELECOM ITALIA 9121 210 1441 24 TTnet Autonomous System 1257 209 1196 174 SWIPnet Swedish IP Network 3246 197 329 184 Song Networks 2856 196 2318 152 BTnet UK Regional network 3300 195 172 95 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4893 6594 711 UUNET Technologies, Inc. 7018 1463 6081 987 AT&T WorldNet Services 4323 1313 1038 366 Time Warner Telecom 2386 1211 615 753 AT&T Data Communications Serv 6478 1129 368 142 AT&T Worldnet Services 11492 1094 107 23 Cable One 6197 1027 717 509 BellSouth Network Solutions, 18566 1011 288 9 Covad Communications 174 963 6761 861 Cogent Communications 7011 850 252 538 Citizens Utilities 1239 815 2743 582 Sprint 705 811 476 371 UUNET Technologies, Inc. 20115 798 728 424 Charter Communications 7046 781 263 640 UUNET Technologies, Inc. 19262 774 2707 197 Verizon Global Networks 209 755 3860 586 Qwest 22773 727 1892 44 Cox Communications, Inc. 577 660 810 204 Bell Advanced Communications 5668 614 169 21 CenturyTel Internet Holdings, 7029 604 488 79 Alltel Information Services,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1259 1188 Videsh Sanchar Nigam Ltd. Aut 11492 1094 1071 Cable One 4134 1347 1064 CHINANET-BACKBONE 18566 1011 1002 Covad Communications 6478 1129 987 AT&T Worldnet Services 4323 1313 947 Time Warner Telecom 9498 985 919 BHARTI BT INTERNET LTD. 2119 1028 846 Telenor Internet Access 9583 1105 708 Sify Limited 22773 727 683 Cox Communications, Inc. 17488 711 658 Hathway IP Over Cable Interne 8151 854 647 UniNet S.A. de C.V. 5668 614 593 CenturyTel Internet Holdings, 19262 774 577 Verizon Global Networks 7545 683 567 TPG Internet Pty Ltd 6517 562 526 Yipes Communications, Inc. 18101 561 526 Reliance Infocom Ltd Internet 7029 604 525 Alltel Information Services, 6197 1027 518 BellSouth Network Solutions, 19916 568 517 OLM LLC
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65500 PRIVATE 192.239.84.0/24 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 64542 PRIVATE 195.47.25.192/27 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 65517 PRIVATE 198.32.176.0/24 293 Energy Sciences Netw 65000 PRIVATE 199.133.62.0/24 10886 University of Maryla 65000 PRIVATE 199.133.63.0/24 10886 University of Maryla 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 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 37956 UNALLOCATED 221.123.16.0/24 38440 Mobileclusters Ltd 37956 UNALLOCATED 221.123.17.0/24 38440 Mobileclusters Ltd 37956 UNALLOCATED 221.123.18.0/24 38440 Mobileclusters Ltd
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 /12:130 /13:264 /14:467 /15:908 /16:9587 /17:4061 /18:6617 /19:13824 /20:16260 /21:14510 /22:19218 /23:20425 /24:124182 /25:1047 /26:1326 /27:587 /28:281 /29:221 /30:327 /31:1 /32:111
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3661 4893 UUNET Technologies, Inc. 6478 1119 1129 AT&T Worldnet Services 11492 1085 1094 Cable One 18566 993 1011 Covad Communications 9583 949 1105 Sify Limited 23577 939 953 Korea Telecom (ATM-MPLS) 2119 916 1028 Telenor Internet Access 2386 904 1211 AT&T Data Communications Serv 7018 793 1463 AT&T WorldNet Services 6197 780 1027 BellSouth Network Solutions, 7011 749 850 Citizens Utilities 4755 657 1259 Videsh Sanchar Nigam Ltd. Aut 9498 655 985 BHARTI BT INTERNET LTD. 4766 596 789 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 550 1313 Time Warner Telecom 7046 534 781 UUNET Technologies, Inc. 17488 534 711 Hathway IP Over Cable Interne 705 531 811 UUNET Technologies, Inc. 6517 528 562 Yipes Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 7:1 8:84 9:1 12:1828 15:19 16:3 17:3 18:11 20:38 24:939 25:1 32:167 33:3 38:332 40:61 41:181 43:6 44:2 47:4 52:4 55:3 56:3 57:53 58:428 59:390 60:322 61:999 62:923 63:3351 64:3240 65:3702 66:3390 67:760 68:628 69:1909 70:440 71:106 72:1336 73:2 74:563 75:266 76:75 77:262 78:18 80:840 81:835 82:721 83:394 84:489 85:864 86:344 87:442 88:282 89:892 90:7 91:402 97:6 98:4 116:250 117:42 121:218 122:564 123:126 124:837 125:947 128:291 129:225 130:130 131:367 132:54 133:9 134:193 135:38 136:184 137:86 138:149 139:123 140:484 141:172 142:398 143:244 144:295 145:43 146:325 147:123 148:393 149:148 150:113 151:160 152:92 153:126 154:5 155:254 156:152 157:213 158:157 159:157 160:105 161:95 162:222 163:181 164:455 165:416 166:294 167:287 168:506 169:120 170:407 171:18 172:1 189:58 190:706 192:5830 193:3917 194:3195 195:2320 196:988 198:3933 199:3352 200:4890 201:1088 202:7456 203:7636 204:4102 205:2128 206:2625 207:3073 208:3352 209:3621 210:2475 211:1013 212:1326 213:1502 214:412 215:41 216:4174 217:1149 218:381 219:387 220:988 221:419 222:264
End of report
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