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Routing Table Report 04:00 +10GMT Mon 31 Dec, 2007
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 242020 Prefixes after maximum aggregation: 123967 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 118013 Total ASes present in the Internet Routing Table: 26992 Prefixes per ASN: 8.97 Origin-only ASes present in the Internet Routing Table: 23508 Origin ASes announcing only one prefix: 11439 Transit ASes present in the Internet Routing Table: 3484 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN (29642) 15 Prefixes from unregistered ASNs in the Routing Table: 12 Unregistered ASNs in the Routing Table: 13 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1799063856 Equivalent to 107 /8s, 59 /16s and 137 /24s Percentage of available address space announced: 48.5 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 113659
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 55640 Total APNIC prefixes after maximum aggregation: 20918 APNIC Deaggregation factor: 2.66 Prefixes being announced from the APNIC address blocks: 53213 Unique aggregates announced from the APNIC address blocks: 23611 APNIC Region origin ASes present in the Internet Routing Table: 3086 APNIC Prefixes per ASN: 17.24 APNIC Region origin ASes announcing only one prefix: 808 APNIC Region transit ASes present in the Internet Routing Table: 461 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 324392496 Equivalent to 19 /8s, 85 /16s and 214 /24s Percentage of available APNIC address space announced: 74.2
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, 114/7, 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: 114373 Total ARIN prefixes after maximum aggregation: 65162 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 83418 Unique aggregates announced from the ARIN address blocks: 33144 ARIN Region origin ASes present in the Internet Routing Table: 12037 ARIN Prefixes per ASN: 6.93 ARIN Region origin ASes announcing only one prefix: 4632 ARIN Region transit ASes present in the Internet Routing Table: 1151 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 356115648 Equivalent to 21 /8s, 57 /16s and 228 /24s Percentage of available ARIN address space announced: 78.6
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: 50506 Total RIPE prefixes after maximum aggregation: 32170 RIPE Deaggregation factor: 1.57 Prefixes being announced from the RIPE address blocks: 47844 Unique aggregates announced from the RIPE address blocks: 31689 RIPE Region origin ASes present in the Internet Routing Table: 10688 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 5645 RIPE Region transit ASes present in the Internet Routing Table: 1648 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 339755136 Equivalent to 20 /8s, 64 /16s and 64 /24s Percentage of available RIPE address space announced: 77.9
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 40960-45055 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: 18139 Total LACNIC prefixes after maximum aggregation: 4594 LACNIC Deaggregation factor: 3.95 Prefixes being announced from the LACNIC address blocks: 16315 Unique aggregates announced from the LACNIC address blocks: 9007 LACNIC Region origin ASes present in the Internet Routing Table: 892 LACNIC Prefixes per ASN: 18.29 LACNIC Region origin ASes announcing only one prefix: 288 LACNIC Region transit ASes present in the Internet Routing Table: 153 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 47138816 Equivalent to 2 /8s, 207 /16s and 72 /24s Percentage of available LACNIC address space announced: 46.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 3342 Total AfriNIC prefixes after maximum aggregation: 1107 AfriNIC Deaggregation factor: 3.02 Prefixes being announced from the AfriNIC address blocks: 2487 Unique aggregates announced from the AfriNIC address blocks: 1451 AfriNIC Region origin ASes present in the Internet Routing Table: 213 AfriNIC Prefixes per ASN: 11.68 AfriNIC Region origin ASes announcing only one prefix: 66 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 8210176 Equivalent to 0 /8s, 125 /16s and 71 /24s Percentage of available AfriNIC address space announced: 24.5
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 4755 1497 383 70 Videsh Sanchar Nigam Ltd. Aut 9583 1101 82 433 Sify Limited 9498 1065 549 61 BHARTI BT INTERNET LTD. 4134 979 11601 305 CHINANET-BACKBONE 17488 936 60 84 Hathway IP Over Cable Interne 4766 829 5495 340 Korea Telecom (KIX) 23577 811 34 690 Korea Telecom (ATM-MPLS) 18101 610 120 59 Reliance Infocom Ltd Internet 9829 590 449 11 BSNL National Internet Backbo 7545 580 147 96 TPG Internet Pty Ltd 1221 543 1952 419 Telstra Pty Ltd 4812 529 874 82 China Telecom (Shanghai) 4808 524 799 122 CNCGROUP IP network: China169 4668 521 68 10 LG-EDS Systems Inc. 17676 505 10919 64 Softbank BB Corp. 4802 470 128 151 Wantree Development 9443 438 121 69 Primus Telecommunications 17974 399 145 17 PT TELEKOMUNIKASI INDONESIA 7474 387 202 273 SingTel Optus Pty Ltd 4837 367 5076 179 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1482 6106 1006 AT&T WorldNet Services 4323 1388 1009 361 Time Warner Telecom 2386 1340 635 815 AT&T Data Communications Serv 11492 1203 134 15 Cable One 6478 1095 330 135 AT&T Worldnet Services 18566 1037 288 9 Covad Communications 6197 1026 721 509 BellSouth Network Solutions, 7011 1010 297 590 Citizens Utilities 174 971 6831 823 Cogent Communications 701 903 6544 710 UUNET Technologies, Inc. 20115 858 793 465 Charter Communications 19262 856 3126 173 Verizon Global Networks 3356 838 10906 416 Level 3 Communications, LLC 22773 835 2140 59 Cox Communications, Inc. 1239 791 2672 551 Sprint 209 752 3785 597 Qwest 5668 664 176 18 CenturyTel Internet Holdings, 6140 602 109 151 ImpSat 6517 597 164 36 Yipes Communications, Inc. 15270 596 160 52 PaeTec.net -a division of Pae
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 409 1654 368 TDC Tele Danmark 3301 323 1458 297 TeliaNet Sweden 3320 316 6019 262 Deutsche Telekom AG 8452 280 188 7 TEDATA 8866 277 78 24 Bulgarian Telecommunication C 8551 276 266 40 Bezeq International 3215 270 2583 92 France Telecom Transpac 6746 270 128 249 Dynamic Network Technologies, 8708 270 420 242 Romania Data Systems S.A. 680 268 2045 254 DFN-IP service G-WiN 8220 243 423 229 COLT Telecommunications 3352 238 1948 40 Ibernet, Internet Access Netw 9155 233 43 10 QualityNet AS number 3269 231 3037 68 TELECOM ITALIA 5462 229 666 27 Telewest Broadband 9116 223 184 28 Goldenlines main autonomous s 3300 211 172 100 AUCS Communications Services 9121 211 1444 26 TTnet Autonomous System 29357 199 17 4 WATANIYA TELECOM 1257 196 1195 179 SWIPnet Swedish IP Network
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1146 2390 222 UniNet S.A. de C.V. 11830 545 299 9 Instituto Costarricense de El 16814 427 27 10 NSS, S.A. 7303 419 204 56 Telecom Argentina Stet-France 11172 379 115 62 Servicios Alestra S.A de C.V 6471 375 85 37 ENTEL CHILE S.A. 14522 371 34 8 SatNet S.A. 22047 322 254 13 VTR PUNTO NET S.A. 10481 301 120 10 Prima S.A. 10620 297 81 22 TVCABLE BOGOTA 14117 286 19 15 Telefonica del Sur S.A. 6147 255 214 21 Telefonica Del Peru 7738 238 602 25 Telecomunicacoes da Bahia S.A 11556 235 128 3 Cable-Wireless Panama 28573 229 321 29 NET Servicos de Comunicao S.A 23216 225 17 47 RAMtelecom Telecomunicaciones 20299 220 33 29 NEWCOM AMERICAS 6503 216 180 85 AVANTEL, S.A. 19169 192 12 21 Telconet 21826 187 33 48 INTERCABLE
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 400 60 36 LINKdotNET AS number 3741 284 869 226 The Internet Solution 20858 201 34 3 EgyNet 6713 145 135 11 Itissalat Al-MAGHRIB 2018 142 268 114 Tertiary Education Network 33783 139 9 10 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 99 6 7 Starcomms Nigeria Limited 24835 88 48 6 RAYA Telecom - Egypt 15475 84 84 4 Nile Online 23889 79 24 16 MAURITIUS TELECOM 2905 77 174 73 The Internetworking Company o 29571 77 13 7 Ci Telecom Autonomous system 20484 70 5 6 Yalla Online Autonomous Syste 15706 57 12 4 Sudatel Internet Exchange Aut 5713 50 455 40 Telkom SA Ltd 33774 50 37 28 AS Number for Telecom Algeria 16637 43 21 28 Johnnic e-Ventures 8524 32 2 10 AUCEGYPT Autonomous System 12455 32 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 11492 1203 1188 Cable One 18566 1037 1028 Covad Communications 4323 1388 1027 Time Warner Telecom 9498 1065 1004 BHARTI BT INTERNET LTD. 6478 1095 960 AT&T Worldnet Services 8151 1146 924 UniNet S.A. de C.V. 17488 936 852 Hathway IP Over Cable Interne 22773 835 776 Cox Communications, Inc. 19262 856 683 Verizon Global Networks 4134 979 674 CHINANET-BACKBONE 9583 1101 668 Sify Limited 5668 664 646 CenturyTel Internet Holdings, 9829 590 579 BSNL National Internet Backbo 6517 597 561 Yipes Communications, Inc. 18101 610 551 Reliance Infocom Ltd Internet 15270 596 544 PaeTec.net -a division of Pae 11830 545 536 Instituto Costarricense de El 2386 1340 525 AT&T Data Communications Serv 19916 563 521 OLM LLC 6197 1026 517 BellSouth Network Solutions,
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net 65068 PRIVATE 79.171.184.0/21 43895 * 65500 PRIVATE 83.142.233.0/24 20516 LuckyNet Israel 64779 PRIVATE 124.161.4.0/23 38356 BeiJing Sincerity-ti 65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA 65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA 65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA 65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA 65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA 65201 PRIVATE 202.112.49.0/24 4538 China Education and 65201 PRIVATE 202.112.50.0/24 4538 China Education and 65201 PRIVATE 202.112.57.0/24 4538 China Education and
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 31.31.31.0/24 9730 The Best ISP to go Multimedia 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 173.173.173.0/24 9730 The Best ISP to go Multimedia 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 /11:40 /12:135 /13:271 /14:487 /15:971 /16:9746 /17:4200 /18:6911 /19:14910 /20:17079 /21:16122 /22:20266 /23:21290 /24:126922 /25:874 /26:1089 /27:551 /28:99 /29:8 /30:1 /31:0 /32:6
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 11492 1193 1203 Cable One 6478 1094 1095 AT&T Worldnet Services 2386 1036 1340 AT&T Data Communications Serv 18566 1019 1037 Covad Communications 9583 946 1101 Sify Limited 7011 895 1010 Citizens Utilities 4755 863 1497 Videsh Sanchar Nigam Ltd. Aut 7018 814 1482 AT&T WorldNet Services 23577 802 811 Korea Telecom (ATM-MPLS) 6197 772 1026 BellSouth Network Solutions, 9498 753 1065 BHARTI BT INTERNET LTD. 17488 751 936 Hathway IP Over Cable Interne 4766 613 829 Korea Telecom (KIX) 4323 595 1388 Time Warner Telecom 6517 558 597 Yipes Communications, Inc. 15270 558 596 PaeTec.net -a division of Pae 19916 558 563 OLM LLC 5668 522 664 CenturyTel Internet Holdings, 4668 511 521 LG-EDS Systems Inc. 18101 504 610 Reliance Infocom Ltd Internet
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:95 12:1928 13:2 15:21 16:3 17:6 18:14 20:35 24:1018 25:1 31:1 32:61 33:4 38:372 40:69 41:427 44:2 47:8 52:3 55:3 56:3 57:21 58:507 59:408 60:399 61:986 62:1048 63:1982 64:3313 65:2363 66:3575 67:1017 68:643 69:2070 70:464 71:106 72:1465 73:7 74:812 75:272 76:175 77:488 78:412 79:65 80:886 81:790 82:555 83:371 84:544 85:902 86:366 87:595 88:292 89:1074 90:39 91:865 92:56 93:2 96:2 97:7 98:25 114:1 115:1 116:452 117:231 118:57 119:80 121:378 122:666 123:230 124:759 125:1060 128:310 129:185 130:136 131:388 132:68 133:9 134:188 135:34 136:194 137:85 138:146 139:71 140:515 141:126 142:375 143:261 144:321 145:51 146:334 147:128 148:480 149:186 150:116 151:129 152:95 153:127 154:11 155:279 156:201 157:244 158:165 159:210 160:192 161:99 162:198 163:186 164:560 165:412 166:291 167:309 168:549 169:128 170:422 171:29 172:3 173:1 189:138 190:1329 192:5732 193:4060 194:3249 195:2329 196:953 198:3808 199:3233 200:5346 201:1311 202:7474 203:7850 204:3968 205:2046 206:2417 207:2752 208:3070 209:3582 210:2539 211:1112 212:1252 213:1605 214:441 215:45 216:4105 217:1219 218:332 219:401 220:1007 221:407 222:294
End of report
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