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Routing Table Report 00:00 GMT Wed 30 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/2007/05/30
Analysis Summary ----------------
BGP routing table entries examined: 231810 Prefixes after maximum aggregation: 119616 Deaggregation factor: 1.94 Unique aggregates announced to Internet: 106539 Total ASes present in the Internet Routing Table: 25358 Prefixes per ASN: 9.14 Origin-only ASes present in the Internet Routing Table: 21995 Origin ASes announcing only one prefix: 10669 Transit ASes present in the Internet Routing Table: 3363 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 26 Max AS path prepend of ASN (16327) 21 Prefixes from unregistered ASNs in the Routing Table: 42 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: 12 Number of addresses announced to Internet: 1725132812 Equivalent to 102 /8s, 211 /16s and 112 /24s Percentage of available address space announced: 46.5 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 124204
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 52267 Total APNIC prefixes after maximum aggregation: 20222 APNIC Deaggregation factor: 2.58 Prefixes being announced from the APNIC address blocks: 49105 Unique aggregates announced from the APNIC address blocks: 20281 APNIC Region origin ASes present in the Internet Routing Table: 2968 APNIC Prefixes per ASN: 16.54 APNIC Region origin ASes announcing only one prefix: 794 APNIC Region transit ASes present in the Internet Routing Table: 461 Average APNIC Region AS path length visible: 5.9 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 296780860 Equivalent to 17 /8s, 176 /16s and 132 /24s Percentage of available APNIC address space announced: 73.5
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: 113951 Total ARIN prefixes after maximum aggregation: 63539 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 85007 Unique aggregates announced from the ARIN address blocks: 30826 ARIN Region origin ASes present in the Internet Routing Table: 11607 ARIN Prefixes per ASN: 7.32 ARIN Region origin ASes announcing only one prefix: 4464 ARIN Region transit ASes present in the Internet Routing Table: 1099 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 334362848 Equivalent to 19 /8s, 237 /16s and 248 /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: 47450 Total RIPE prefixes after maximum aggregation: 30649 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 44070 Unique aggregates announced from the RIPE address blocks: 28305 RIPE Region origin ASes present in the Internet Routing Table: 9723 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5101 RIPE Region transit ASes present in the Internet Routing Table: 1582 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 307167040 Equivalent to 18 /8s, 78 /16s and 255 /24s Percentage of available RIPE address space announced: 76.3
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: 15404 Total LACNIC prefixes after maximum aggregation: 4164 LACNIC Deaggregation factor: 3.70 Prefixes being announced from the LACNIC address blocks: 13486 Unique aggregates announced from the LACNIC address blocks: 7278 LACNIC Region origin ASes present in the Internet Routing Table: 796 LACNIC Prefixes per ASN: 16.94 LACNIC Region origin ASes announcing only one prefix: 256 LACNIC Region transit ASes present in the Internet Routing Table: 138 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 39010816 Equivalent to 2 /8s, 83 /16s and 66 /24s Percentage of available LACNIC address space announced: 58.1
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: 2691 Total AfriNIC prefixes after maximum aggregation: 1030 AfriNIC Deaggregation factor: 2.61 Prefixes being announced from the AfriNIC address blocks: 2060 Unique aggregates announced from the AfriNIC address blocks: 1178 AfriNIC Region origin ASes present in the Internet Routing Table: 190 AfriNIC Prefixes per ASN: 10.84 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6119424 Equivalent to 0 /8s, 93 /16s and 96 /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 1287 9959 279 CHINANET-BACKBONE 4755 1224 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1034 108 15 Sify Limited 9498 986 469 70 BHARTI BT INTERNET LTD. 23577 925 35 820 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 694 45 38 Hathway IP Over Cable Interne 7545 647 142 79 TPG Internet Pty Ltd 1221 597 1954 438 Telstra Pty Ltd 18101 547 116 37 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 482 218 270 SingTel Optus Pty Ltd 9443 465 120 77 Primus Telecommunications 4812 463 821 76 China Telecom (Shanghai) 9942 444 77 117 COMindico Australia 4802 410 86 147 Wantree Development 2907 364 1716 304 SINET Japan 9829 362 258 14 BSNL National Internet Backbo 17557 357 37 167 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 953 912 652 Telenor Internet Access 702 518 1939 411 UUNET - Commercial IP service 24863 345 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 265 126 242 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 252 460 242 COLT Telecommunications 3215 246 2279 94 France Telecom Transpac 1257 243 1196 176 SWIPnet Swedish IP Network 8708 236 288 229 Romania Data Systems S.A. 3269 215 2631 73 TELECOM ITALIA 8551 208 197 27 Bezeq International 3352 206 1799 36 Ibernet, Internet Access Netw 3246 203 334 190 Song Networks 9116 197 136 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 5010 6613 730 UUNET Technologies, Inc. 7018 1511 10248 992 AT&T WorldNet Services 4323 1261 1032 362 Time Warner Telecom 2386 1154 596 758 AT&T Data Communications Serv 6478 1100 343 121 AT&T Worldnet Services 11492 1075 104 22 Cable One 6197 1039 706 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 957 6904 866 Cogent Communications 705 839 491 375 UUNET Technologies, Inc. 1239 821 2724 580 Sprint 20115 807 724 428 Charter Communications 7011 801 228 478 Citizens Utilities 19262 770 2661 204 Verizon Global Networks 7046 763 262 635 UUNET Technologies, Inc. 209 747 3836 583 Qwest 22773 722 1892 44 Cox Communications, Inc. 577 652 793 205 Bell Advanced Communications 852 605 1090 372 Telus Advanced Communications 5668 598 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1224 1153 Videsh Sanchar Nigam Ltd. Aut 8151 1322 1114 UniNet S.A. de C.V. 11492 1075 1053 Cable One 9583 1034 1019 Sify Limited 4134 1287 1008 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1100 979 AT&T Worldnet Services 9498 986 916 BHARTI BT INTERNET LTD. 4323 1261 899 Time Warner Telecom 22773 722 678 Cox Communications, Inc. 17488 694 656 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 7545 647 568 TPG Internet Pty Ltd 19262 770 566 Verizon Global Networks 6197 1039 531 BellSouth Network Solutions, 7018 1511 519 AT&T WorldNet Services 19916 568 517 OLM LLC 18101 547 510 Reliance Infocom Ltd Internet 7029 587 507 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. 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 94.110.196.0/24 21161 Bechtle Autonomous System 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 /8:19 /9:9 /10:14 /11:35 /12:127 /13:249 /14:455 /15:881 /16:9441 /17:3957 /18:6495 /19:13628 /20:15693 /21:14237 /22:18800 /23:20268 /24:123726 /25:1009 /26:1128 /27:566 /28:263 /29:194 /30:484 /31:0 /32:132
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3758 5010 UUNET Technologies, Inc. 6478 1091 1100 AT&T Worldnet Services 11492 1061 1075 Cable One 18566 992 1010 Covad Communications 23577 911 925 Korea Telecom (ATM-MPLS) 9583 869 1034 Sify Limited 2119 855 953 Telenor Internet Access 2386 850 1154 AT&T Data Communications Serv 7018 812 1511 AT&T WorldNet Services 6197 794 1039 BellSouth Network Solutions, 8151 704 1322 UniNet S.A. de C.V. 7011 702 801 Citizens Utilities 9498 656 986 BHARTI BT INTERNET LTD. 4755 621 1224 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 705 546 839 UUNET Technologies, Inc. 7046 533 763 UUNET Technologies, Inc. 4323 520 1261 Time Warner Telecom 17488 515 694 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:79 9:1 10:1 12:1826 15:19 16:3 17:3 18:8 20:38 24:947 25:1 32:173 33:2 38:317 40:61 41:150 43:6 44:2 47:5 52:4 55:3 56:3 57:51 58:414 59:393 60:303 61:960 62:951 63:3385 64:3240 65:3736 66:3392 67:829 68:641 69:1854 70:520 71:105 72:1322 73:1 74:487 75:263 76:63 77:208 78:2 80:826 81:811 82:704 83:421 84:420 85:809 86:336 87:454 88:275 89:860 90:7 91:321 94:1 97:6 116:80 121:194 122:535 123:106 124:798 125:934 128:283 129:224 130:129 131:366 132:51 133:9 134:192 135:38 136:186 137:85 138:140 139:122 140:482 141:171 142:392 143:234 144:294 145:43 146:322 147:121 148:398 149:147 150:115 151:159 152:94 153:123 154:5 155:254 156:152 157:187 158:158 159:157 160:107 161:94 162:235 163:185 164:460 165:407 166:239 167:284 168:501 169:120 170:402 171:16 172:1 189:547 190:633 192:5838 193:3889 194:3175 195:2310 196:1001 198:3859 199:3362 200:4814 201:1033 202:7387 203:7607 204:4115 205:2179 206:2573 207:3232 208:3356 209:3696 210:2465 211:1012 212:1371 213:1510 214:408 215:40 216:4239 217:1161 218:374 219:377 220:959 221:377 222:263
End of report
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