Routing Table Report 00:00 GMT Sun 27 May, 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/2007/05/27 Analysis Summary ---------------- BGP routing table entries examined: 231471 Prefixes after maximum aggregation: 119539 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 106425 Total ASes present in the Internet Routing Table: 25363 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 21930 Origin ASes announcing only one prefix: 10656 Transit ASes present in the Internet Routing Table: 3433 Transit-only ASes present in the Internet Routing Table: 86 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 29 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 43 Unregistered ASNs in the Routing Table: 27 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1706980620 Equivalent to 101 /8s, 190 /16s and 117 /24s Percentage of available address space announced: 46.1 Percentage of allocated address space announced: 61.0 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 123992 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 52302 Total APNIC prefixes after maximum aggregation: 20195 APNIC Deaggregation factor: 2.59 Prefixes being announced from the APNIC address blocks: 49157 Unique aggregates announced from the APNIC address blocks: 20217 APNIC Region origin ASes present in the Internet Routing Table: 2966 APNIC Prefixes per ASN: 16.57 APNIC Region origin ASes announcing only one prefix: 793 APNIC Region transit ASes present in the Internet Routing Table: 460 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 295673148 Equivalent to 17 /8s, 159 /16s and 157 /24s Percentage of available APNIC address space announced: 73.2 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: 113767 Total ARIN prefixes after maximum aggregation: 63506 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84853 Unique aggregates announced from the ARIN address blocks: 30808 ARIN Region origin ASes present in the Internet Routing Table: 11617 ARIN Prefixes per ASN: 7.30 ARIN Region origin ASes announcing only one prefix: 4466 ARIN Region transit ASes present in the Internet Routing Table: 1128 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 334313952 Equivalent to 19 /8s, 237 /16s and 57 /24s Percentage of available ARIN address space announced: 73.8 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: 47429 Total RIPE prefixes after maximum aggregation: 30625 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 43956 Unique aggregates announced from the RIPE address blocks: 28260 RIPE Region origin ASes present in the Internet Routing Table: 9702 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5080 RIPE Region transit ASes present in the Internet Routing Table: 1616 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 306765120 Equivalent to 18 /8s, 72 /16s and 221 /24s Percentage of available RIPE address space announced: 76.2 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: 15303 Total LACNIC prefixes after maximum aggregation: 4163 LACNIC Deaggregation factor: 3.68 Prefixes being announced from the LACNIC address blocks: 13417 Unique aggregates announced from the LACNIC address blocks: 7301 LACNIC Region origin ASes present in the Internet Routing Table: 800 LACNIC Prefixes per ASN: 16.77 LACNIC Region origin ASes announcing only one prefix: 260 LACNIC Region transit ASes present in the Internet Routing Table: 145 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 38936064 Equivalent to 2 /8s, 82 /16s and 30 /24s Percentage of available LACNIC address space announced: 58.0 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: 2622 Total AfriNIC prefixes after maximum aggregation: 1038 AfriNIC Deaggregation factor: 2.53 Prefixes being announced from the AfriNIC address blocks: 2053 Unique aggregates announced from the AfriNIC address blocks: 1181 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.75 AfriNIC Region origin ASes announcing only one prefix: 57 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 6121216 Equivalent to 0 /8s, 93 /16s and 103 /24s Percentage of available AfriNIC address space announced: 18.2 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 1284 9950 277 CHINANET-BACKBONE 4755 1222 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1118 108 16 Sify Limited 9498 983 469 71 BHARTI BT INTERNET LTD. 23577 926 35 822 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 651 43 56 Hathway IP Over Cable Interne 7545 645 142 79 TPG Internet Pty Ltd 1221 593 1954 436 Telstra Pty Ltd 18101 547 116 37 Reliance Infocom Ltd Internet 4668 505 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 482 218 270 SingTel Optus Pty Ltd 4812 458 820 75 China Telecom (Shanghai) 9443 456 115 75 Primus Telecommunications 9942 440 76 113 COMindico Australia 4802 412 86 149 Wantree Development 9829 362 258 14 BSNL National Internet Backbo 2907 359 1732 305 SINET Japan 17557 354 37 169 Pakistan Telecom RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2119 955 928 654 Telenor Internet Access 702 515 1923 408 UUNET - Commercial IP service 24863 344 47 31 LINKdotNET AS number 5089 338 1658 53 NTL Group Limited 3301 309 1455 289 TeliaNet Sweden 3320 305 4994 252 Deutsche Telekom AG 6746 280 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 253 456 243 COLT Telecommunications 3215 246 2279 94 France Telecom Transpac 1257 235 1180 168 SWIPnet Swedish IP Network 8708 235 288 229 Romania Data Systems S.A. 3269 216 2647 74 TELECOM ITALIA 8551 208 197 27 Bezeq International 3246 206 337 193 Song Networks 3352 200 1799 36 Ibernet, Internet Access Netw 9116 199 136 25 Goldenlines main autonomous s 3300 189 171 91 AUCS Communications Services 2856 187 2318 146 BTnet UK Regional network 12479 184 578 6 Uni2 Autonomous System ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 701 5015 6613 731 UUNET Technologies, Inc. 7018 1506 10216 992 AT&T WorldNet Services 4323 1265 1032 362 Time Warner Telecom 2386 1152 596 757 AT&T Data Communications Serv 6478 1100 343 121 AT&T Worldnet Services 11492 1073 104 24 Cable One 6197 1040 706 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 947 6744 856 Cogent Communications 705 839 491 375 UUNET Technologies, Inc. 1239 822 2740 581 Sprint 20115 807 724 428 Charter Communications 7011 799 227 476 Citizens Utilities 19262 772 2661 205 Verizon Global Networks 7046 760 262 635 UUNET Technologies, Inc. 209 744 3836 582 Qwest 22773 722 1892 44 Cox Communications, Inc. 577 650 793 205 Bell Advanced Communications 852 603 1074 370 Telus Advanced Communications 5668 598 160 17 CenturyTel Internet Holdings, Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1222 1152 Videsh Sanchar Nigam Ltd. Aut 9583 1118 1102 Sify Limited 8151 1284 1087 UniNet S.A. de C.V. 11492 1073 1049 Cable One 4134 1284 1007 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1100 979 AT&T Worldnet Services 9498 983 912 BHARTI BT INTERNET LTD. 4323 1265 903 Time Warner Telecom 22773 722 678 Cox Communications, Inc. 17488 651 595 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 19262 772 567 Verizon Global Networks 7545 645 566 TPG Internet Pty Ltd 6197 1040 532 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1506 514 AT&T WorldNet Services 18101 547 510 Reliance Infocom Ltd Internet 7029 583 506 Alltel Information Services, 15270 541 506 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65534 PRIVATE 10.11.12.0/24 10886 University of Maryla 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 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. 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 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 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 65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc. 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 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 Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.11.12.0/24 65534 * 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 /10:14 /11:35 /12:126 /13:249 /14:454 /15:878 /16:9451 /17:3959 /18:6481 /19:13624 /20:15751 /21:14240 /22:18819 /23:20275 /24:123343 /25:1001 /26:1131 /27:565 /28:260 /29:193 /30:478 /31:0 /32:117 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 701 3763 5015 UUNET Technologies, Inc. 6478 1091 1100 AT&T Worldnet Services 11492 1059 1073 Cable One 18566 992 1010 Covad Communications 9583 948 1118 Sify Limited 23577 912 926 Korea Telecom (ATM-MPLS) 2119 855 955 Telenor Internet Access 2386 848 1152 AT&T Data Communications Serv 7018 811 1506 AT&T WorldNet Services 6197 795 1040 BellSouth Network Solutions, 7011 700 799 Citizens Utilities 8151 685 1284 UniNet S.A. de C.V. 9498 653 983 BHARTI BT INTERNET LTD. 4755 619 1222 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 705 546 839 UUNET Technologies, Inc. 7046 533 760 UUNET Technologies, Inc. 4323 524 1265 Time Warner Telecom 15270 508 541 PaeTec.net -a division of Pae Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:80 9:1 10:1 12:1825 15:19 16:3 17:3 18:8 20:38 24:946 25:1 32:173 33:2 38:313 40:61 41:139 43:6 44:2 47:5 52:4 55:3 56:3 57:51 58:403 59:392 60:302 61:962 62:945 63:3391 64:3234 65:3729 66:3390 67:826 68:641 69:1864 70:519 71:105 72:1322 73:1 74:484 75:263 76:62 77:200 78:2 80:828 81:794 82:641 83:405 84:417 85:808 86:343 87:466 88:270 89:869 90:7 91:320 97:6 116:83 121:193 122:531 123:107 124:820 125:911 128:279 129:223 130:129 131:366 132:52 133:9 134:192 135:38 136:186 137:85 138:140 139:122 140:466 141:171 142:392 143:234 144:294 145:43 146:322 147:121 148:394 149:147 150:115 151:159 152:94 153:124 154:5 155:254 156:152 157:182 158:158 159:158 160:106 161:93 162:234 163:185 164:460 165:406 166:240 167:283 168:498 169:119 170:402 171:16 172:1 189:530 190:625 192:5837 193:3874 194:3162 195:2299 196:1003 198:3855 199:3363 200:4787 201:1035 202:7371 203:7574 204:4111 205:2177 206:2577 207:3116 208:3350 209:3716 210:2474 211:1008 212:1373 213:1514 214:412 215:40 216:4208 217:1159 218:379 219:384 220:958 221:407 222:263 End of report