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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 26 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 208997 Prefixes after maximum aggregation: 112691 Deaggregation factor: 1.85 Unique aggregates announced to Internet: 101660 Total ASes present in the Internet Routing Table: 24195 Origin-only ASes present in the Internet Routing Table: 21077 Origin ASes announcing only one prefix: 10192 Transit ASes present in the Internet Routing Table: 3118 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 3 Unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1667385100 Equivalent to 99 /8s, 98 /16s and 71 /24s Percentage of available address space announced: 45.0 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 106996
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46667 Total APNIC prefixes after maximum aggregation: 18709 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 44121 Unique aggregates announced from the APNIC address blocks: 19236 APNIC Region origin ASes present in the Internet Routing Table: 2826 APNIC Region origin ASes announcing only one prefix: 789 APNIC Region transit ASes present in the Internet Routing Table: 417 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 281238112 Equivalent to 16 /8s, 195 /16s and 90 /24s Percentage of available APNIC address space announced: 69.7
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: 102833 Total ARIN prefixes after maximum aggregation: 60774 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 75736 Unique aggregates announced from the ARIN address blocks: 29036 ARIN Region origin ASes present in the Internet Routing Table: 11293 ARIN Region origin ASes announcing only one prefix: 4323 ARIN Region transit ASes present in the Internet Routing Table: 1041 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 314708096 Equivalent to 18 /8s, 194 /16s and 16 /24s Percentage of available ARIN address space announced: 69.5
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: 43222 Total RIPE prefixes after maximum aggregation: 28237 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 39916 Unique aggregates announced from the RIPE address blocks: 26583 RIPE Region origin ASes present in the Internet Routing Table: 9063 RIPE Region origin ASes announcing only one prefix: 4779 RIPE Region transit ASes present in the Internet Routing Table: 1461 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 287261860 Equivalent to 17 /8s, 31 /16s and 68 /24s Percentage of available RIPE address space announced: 77.8
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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 13751 Total LACNIC prefixes after maximum aggregation: 4013 LACNIC Deaggregation factor: 3.43 Prefixes being announced from the LACNIC address blocks: 11764 Unique aggregates announced from the LACNIC address blocks: 7197 LACNIC Region origin ASes present in the Internet Routing Table: 759 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 135 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 36403712 Equivalent to 2 /8s, 43 /16s and 122 /24s Percentage of available LACNIC address space announced: 54.2
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: 2522 Total AfriNIC prefixes after maximum aggregation: 957 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 1790 Unique aggregates announced from the AfriNIC address blocks: 1160 AfriNIC Region origin ASes present in the Internet Routing Table: 174 AfriNIC Region origin ASes announcing only one prefix: 52 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5370624 Equivalent to 0 /8s, 81 /16s and 243 /24s Percentage of available AfriNIC address space announced: 16.0
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 1277 8663 273 CHINANET-BACKBONE 4755 1089 383 75 Videsh Sanchar Nigam Ltd. Aut 9583 1025 109 16 Sify Limited 9498 933 467 64 BHARTI BT INTERNET LTD. 23577 773 34 700 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 17488 588 37 20 Hathway IP Over Cable Interne 1221 569 1697 440 Telstra Pty Ltd 7545 560 126 74 TPG Internet Pty Ltd 18101 514 103 27 Reliance Infocom Ltd Internet 17676 503 10935 66 Softbank BB Corp. 9443 442 111 74 Primus Telecommunications 4812 434 759 68 China Telecom (Shanghai) 17974 384 129 14 PT TELEKOMUNIKASI INDONESIA 4802 360 86 149 Wantree Development 17849 353 33 93 Telecommunications Technology 17557 349 34 168 Pakistan Telecom 2907 336 1749 309 SINET Japan 4837 334 4071 146 chinanet IDC center beijing n 7474 315 212 244 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1548 6127 995 AT&T WorldNet Services 2386 1107 585 732 AT&T Data Communications Serv 4323 1061 818 297 Time Warner Telecom 6197 1023 647 501 BellSouth Network Solutions, 18566 987 272 8 Covad Communications 701 937 6695 745 UUNET Technologies, Inc. 174 935 6789 865 Cogent Communications 11492 911 99 14 Cable One 1239 829 2730 579 Sprint 19262 808 2576 180 Verizon Global Networks 20115 795 689 412 Charter Communications 7011 729 218 452 Citizens Utilities 22773 723 1872 41 Cox Communications, Inc. 209 715 3750 563 Qwest 721 690 21836 280 DLA Systems Automation Center 852 609 1093 394 Telus Advanced Communications 5668 577 161 19 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 560 250 73 Canadian Research Network 6198 552 521 258 BellSouth Network Solutions,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1898 425 UUNET - Commercial IP service 3301 305 1199 287 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 24863 298 45 25 LINKdotNET AS number 8220 271 474 262 COLT Telecommunications 6746 270 95 247 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 3215 237 2192 93 France Telecom Transpac 8708 228 282 216 Romania Data Systems S.A. 1257 216 1069 172 SWIPnet Swedish IP Network 3269 213 2391 71 TELECOM ITALIA 30890 211 18 90 SC Kappa Invexim SRL 3246 207 354 197 Song Networks 5416 205 13 13 BATELCO-BH 8551 192 193 28 Bezeq International 20858 189 34 3 This AS will be used to conne 3352 182 1767 31 Ibernet, Internet Access Netw 3300 178 171 89 AUCS Communications Services 12479 176 578 6 Uni2 Autonomous System 786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 909 2015 202 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 381 108 81 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 254 74 30 ENTEL CHILE S.A. 14117 238 16 13 Telefonica del Sur S.A. 7303 231 103 33 Telecom Argentina Stet-France 6147 225 180 24 Telefonica Del Peru 6503 217 170 92 AVANTEL, S.A. 11556 212 105 7 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 158 22 37 INTERCABLE 7910 151 11 32 ANDINET ON LINE 20299 150 23 14 NEWCOM AMERICAS 23216 147 19 43 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 19169 141 9 24 Telconet 19429 140 84 35 E.T.B. 14522 136 21 8 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 226 60 6 TEDATA 15475 154 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 33783 112 6 5 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 79 173 72 The Internetworking Company o 2561 62 6 2 Egyptian Universities Network 15706 54 12 4 Sudatel Internet Exchange Aut 23889 52 13 15 MAURITIUS TELECOM 5713 45 294 35 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 33774 38 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 33776 27 2 5 Starcomms Nigeria Limited 10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1089 1014 Videsh Sanchar Nigam Ltd. Aut 9583 1025 1009 Sify Limited 4134 1277 1004 CHINANET-BACKBONE 18566 987 979 Covad Communications 11492 911 897 Cable One 9498 933 869 BHARTI BT INTERNET LTD. 4323 1061 764 Time Warner Telecom 8151 909 707 UniNet S.A. de C.V. 22773 723 682 Cox Communications, Inc. 19262 808 628 Verizon Global Networks 17488 588 568 Hathway IP Over Cable Interne 5668 577 558 CenturyTel Internet Holdings, 6197 1023 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 855 560 487 Canadian Research Network 18101 514 487 Reliance Infocom Ltd Internet 7545 560 486 TPG Internet Pty Ltd 15270 500 466 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El 4766 763 450 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 23456 UNALLOCATED 203.10.62.0/24 1221 Telstra Pty Ltd 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 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 /9:10 /10:13 /11:33 /12:115 /13:226 /14:414 /15:812 /16:9201 /17:3676 /18:5965 /19:12947 /20:14554 /21:13005 /22:16634 /23:17858 /24:111796 /25:658 /26:462 /27:372 /28:65 /29:39 /30:90 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 970 987 Covad Communications 11492 897 911 Cable One 9583 854 1025 Sify Limited 7018 853 1548 AT&T WorldNet Services 2386 830 1107 AT&T Data Communications Serv 6197 795 1023 BellSouth Network Solutions, 23577 759 773 Korea Telecom (ATM-MPLS) 7011 632 729 Citizens Utilities 9498 591 933 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 500 1089 Videsh Sanchar Nigam Ltd. Aut 15270 468 500 PaeTec.net -a division of Pae 855 459 560 Canadian Research Network 18101 446 514 Reliance Infocom Ltd Internet 5668 444 577 CenturyTel Internet Holdings, 17488 411 588 Hathway IP Over Cable Interne 1239 409 829 Sprint 33588 402 424 Bresnan Communications, LLC. 6198 390 552 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:61 9:1 12:1657 13:1 15:15 16:3 17:3 18:5 20:36 24:873 25:1 32:54 38:278 40:57 41:66 44:2 47:10 52:4 55:1 56:3 57:25 58:292 59:374 60:203 61:953 62:1051 63:1902 64:3194 65:2299 66:3137 67:711 68:636 69:1712 70:425 71:133 72:1139 73:1 74:147 75:62 76:22 80:827 81:774 82:649 83:348 84:493 85:754 86:466 87:479 88:275 89:771 90:2 91:146 97:1 116:1 117:1 118:1 119:1 120:1 121:129 122:68 123:26 124:574 125:787 128:306 129:220 130:126 131:317 132:49 133:9 134:182 135:44 136:180 137:113 138:190 139:53 140:517 141:137 142:367 143:213 144:292 145:67 146:319 147:139 148:368 149:190 150:115 151:117 152:90 153:119 154:5 155:250 156:126 157:172 158:170 159:147 160:98 161:88 162:227 163:162 164:451 165:288 166:246 167:281 168:494 169:121 170:378 171:15 172:1 189:131 190:351 192:5738 193:3648 194:2917 195:2209 196:922 198:3782 199:3275 200:4614 201:961 202:7166 203:7292 204:3959 205:2079 206:2434 207:2898 208:2427 209:3570 210:2328 211:881 212:1292 213:1417 214:397 215:39 216:4076 217:1181 218:357 219:268 220:845 221:369 222:281
End of report Report Website: http://thyme.apnic.net
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