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Routing Table Report 00:00 GMT Tue 08 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/2007/05/08/1100
Analysis Summary ----------------
BGP routing table entries examined: 229694 Prefixes after maximum aggregation: 119429 Deaggregation factor: 1.92 Unique aggregates announced to Internet: 106831 Total ASes present in the Internet Routing Table: 25213 Prefixes per ASN: 9.11 Origin-only ASes present in the Internet Routing Table: 21810 Origin ASes announcing only one prefix: 10562 Transit ASes present in the Internet Routing Table: 3403 Transit-only ASes present in the Internet Routing Table: 90 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 37 Max AS path prepend of ASN (31258) 21 Prefixes from unregistered ASNs in the Routing Table: 49 Unregistered ASNs in the Routing Table: 31 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1716530892 Equivalent to 102 /8s, 80 /16s and 46 /24s Percentage of available address space announced: 46.3 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 122764
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 51780 Total APNIC prefixes after maximum aggregation: 20460 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 48642 Unique aggregates announced from the APNIC address blocks: 21264 APNIC Region origin ASes present in the Internet Routing Table: 2950 APNIC Prefixes per ASN: 16.49 APNIC Region origin ASes announcing only one prefix: 780 APNIC Region transit ASes present in the Internet Routing Table: 453 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 292787532 Equivalent to 17 /8s, 115 /16s and 149 /24s Percentage of available APNIC address space announced: 72.5
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: 113205 Total ARIN prefixes after maximum aggregation: 63389 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84336 Unique aggregates announced from the ARIN address blocks: 30520 ARIN Region origin ASes present in the Internet Routing Table: 11564 ARIN Prefixes per ASN: 7.29 ARIN Region origin ASes announcing only one prefix: 4413 ARIN Region transit ASes present in the Internet Routing Table: 1123 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 332147168 Equivalent to 19 /8s, 204 /16s and 41 /24s Percentage of available ARIN address space announced: 73.3
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: 46976 Total RIPE prefixes after maximum aggregation: 30410 RIPE Deaggregation factor: 1.54 Prefixes being announced from the RIPE address blocks: 43608 Unique aggregates announced from the RIPE address blocks: 28055 RIPE Region origin ASes present in the Internet Routing Table: 9628 RIPE Prefixes per ASN: 4.53 RIPE Region origin ASes announcing only one prefix: 5056 RIPE Region transit ASes present in the Internet Routing Table: 1591 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 37 Number of RIPE addresses announced to Internet: 304912448 Equivalent to 18 /8s, 44 /16s and 152 /24s Percentage of available RIPE address space announced: 75.7
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, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 15012 Total LACNIC prefixes after maximum aggregation: 4122 LACNIC Deaggregation factor: 3.64 Prefixes being announced from the LACNIC address blocks: 13097 Unique aggregates announced from the LACNIC address blocks: 7169 LACNIC Region origin ASes present in the Internet Routing Table: 791 LACNIC Prefixes per ASN: 16.56 LACNIC Region origin ASes announcing only one prefix: 256 LACNIC Region transit ASes present in the Internet Routing Table: 141 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 38490624 Equivalent to 2 /8s, 75 /16s and 82 /24s Percentage of available LACNIC address space announced: 57.4
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: 2669 Total AfriNIC prefixes after maximum aggregation: 1038 AfriNIC Deaggregation factor: 2.57 Prefixes being announced from the AfriNIC address blocks: 2023 Unique aggregates announced from the AfriNIC address blocks: 1189 AfriNIC Region origin ASes present in the Internet Routing Table: 189 AfriNIC Prefixes per ASN: 10.70 AfriNIC Region origin ASes announcing only one prefix: 57 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 6071296 Equivalent to 0 /8s, 92 /16s and 164 /24s Percentage of available AfriNIC address space announced: 18.1
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 1281 9587 275 CHINANET-BACKBONE 4755 1205 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1107 79 380 Sify Limited 9498 976 469 72 BHARTI BT INTERNET LTD. 23577 930 35 824 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 672 44 34 Hathway IP Over Cable Interne 7545 627 142 80 TPG Internet Pty Ltd 1221 583 1954 434 Telstra Pty Ltd 18101 534 116 27 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 483 217 269 SingTel Optus Pty Ltd 4812 467 799 75 China Telecom (Shanghai) 9443 454 115 75 Primus Telecommunications 9942 442 76 115 COMindico Australia 4802 362 86 149 Wantree Development 17557 361 37 171 Pakistan Telecom 4837 346 4725 160 chinanet IDC center beijing n 17974 339 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 910 927 650 Telenor Internet Access 702 520 1925 414 UUNET - Commercial IP service 24863 343 47 29 LINKdotNET AS number 3301 312 1455 292 TeliaNet Sweden 3320 302 4993 250 Deutsche Telekom AG 6746 273 128 250 Dynamic Network Technologies, 5089 271 1658 53 NTL Group Limited 8220 262 457 252 COLT Telecommunications 680 257 2044 250 DFN-IP service G-WiN 3215 238 2254 95 France Telecom Transpac 1257 234 1180 168 SWIPnet Swedish IP Network 8708 232 287 226 Romania Data Systems S.A. 3269 214 2583 73 TELECOM ITALIA 3246 213 341 199 Song Networks 8551 208 197 27 Bezeq International 30890 205 17 95 SC Kappa Invexim SRL 3352 199 1783 37 Ibernet, Internet Access Netw 20858 196 34 4 EgyNet 3300 193 171 92 AUCS Communications Services 9116 192 136 25 Goldenlines main autonomous s
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4952 6659 727 UUNET Technologies, Inc. 7018 1502 10247 994 AT&T WorldNet Services 4323 1261 1027 361 Time Warner Telecom 2386 1134 580 755 AT&T Data Communications Serv 6478 1094 338 131 AT&T Worldnet Services 11492 1049 103 20 Cable One 6197 1033 688 503 BellSouth Network Solutions, 18566 1002 288 9 Covad Communications 174 970 6793 877 Cogent Communications 705 914 506 439 UUNET Technologies, Inc. 20115 821 738 434 Charter Communications 1239 817 2718 580 Sprint 7011 790 226 471 Citizens Utilities 7046 788 263 648 UUNET Technologies, Inc. 19262 768 2588 205 Verizon Global Networks 209 728 3846 584 Qwest 22773 706 1872 42 Cox Communications, Inc. 577 640 777 203 Bell Advanced Communications 852 605 1096 372 Telus Advanced Communications 721 600 21755 271 DLA Systems Automation Center
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1205 1135 Videsh Sanchar Nigam Ltd. Aut 11492 1049 1029 Cable One 4134 1281 1006 CHINANET-BACKBONE 8151 1206 997 UniNet S.A. de C.V. 18566 1002 993 Covad Communications 6478 1094 963 AT&T Worldnet Services 9498 976 904 BHARTI BT INTERNET LTD. 4323 1261 900 Time Warner Telecom 9583 1107 727 Sify Limited 22773 706 664 Cox Communications, Inc. 17488 672 638 Hathway IP Over Cable Interne 5668 600 583 CenturyTel Internet Holdings, 19262 768 563 Verizon Global Networks 7545 627 547 TPG Internet Pty Ltd 6197 1033 530 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1502 508 AT&T WorldNet Services 18101 534 507 Reliance Infocom Ltd Internet 7029 581 502 Alltel Information Services, 855 568 497 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65534 PRIVATE 10.11.12.0/24 10886 University of Maryla 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 65530 PRIVATE 74.222.152.0/21 35908 VPLS Inc. 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 65027 PRIVATE 135.196.97.168/29 8190 VIATEL 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 65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc. 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 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 65313 PRIVATE 203.184.140.0/24 9304 Hutchison Telecom (H 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 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 65001 PRIVATE 216.240.208.0/20 6325 Illinois Century Net 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 2.0.0.0/24 41856 Flagmanskaya Sluzhba Svyazi 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 /8:19 /9:9 /10:13 /11:34 /12:126 /13:249 /14:452 /15:871 /16:9407 /17:3903 /18:6491 /19:13598 /20:15563 /21:14102 /22:18548 /23:20001 /24:122601 /25:997 /26:1110 /27:571 /28:255 /29:200 /30:465 /31:0 /32:109
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3711 4952 UUNET Technologies, Inc. 6478 1085 1094 AT&T Worldnet Services 11492 1035 1049 Cable One 18566 984 1002 Covad Communications 9583 946 1107 Sify Limited 23577 916 930 Korea Telecom (ATM-MPLS) 2386 831 1134 AT&T Data Communications Serv 2119 810 910 Telenor Internet Access 7018 807 1502 AT&T WorldNet Services 6197 794 1033 BellSouth Network Solutions, 7011 693 790 Citizens Utilities 9498 639 976 BHARTI BT INTERNET LTD. 4755 600 1205 Videsh Sanchar Nigam Ltd. Aut 705 590 914 UUNET Technologies, Inc. 4766 590 783 Korea Telecom (KIX) 8151 584 1206 UniNet S.A. de C.V. 19916 563 568 OLM LLC 7046 539 788 UUNET Technologies, Inc. 4323 520 1261 Time Warner Telecom 4668 496 507 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:10 7:1 8:80 9:3 10:1 12:1819 13:1 15:19 16:3 17:3 18:8 20:37 24:929 25:1 32:174 38:307 40:60 41:128 43:6 44:2 47:4 52:4 55:2 56:3 57:52 58:398 59:340 60:275 61:943 62:1003 63:3386 64:3184 65:3721 66:3353 67:819 68:637 69:1841 70:503 71:104 72:1305 73:1 74:441 75:260 76:46 77:145 80:864 81:814 82:730 83:407 84:445 85:806 86:358 87:462 88:266 89:856 90:6 91:282 97:6 116:57 121:182 122:520 123:93 124:798 125:926 128:281 129:220 130:123 131:350 132:52 133:11 134:191 135:39 136:183 137:83 138:197 139:117 140:481 141:164 142:394 143:232 144:293 145:43 146:322 147:120 148:399 149:146 150:116 151:159 152:94 153:120 154:5 155:252 156:152 157:187 158:160 159:157 160:105 161:93 162:235 163:177 164:461 165:408 166:234 167:279 168:495 169:122 170:399 171:16 172:1 189:427 190:598 192:5825 193:3830 194:3136 195:2293 196:1000 198:3875 199:3389 200:4764 201:976 202:7327 203:7534 204:4095 205:2217 206:2568 207:3132 208:3324 209:3717 210:2494 211:984 212:1364 213:1481 214:401 215:40 216:4176 217:1146 218:375 219:361 220:962 221:412 222:269
End of report
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