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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 31 Jul, 2006
Analysis Summary ----------------
BGP routing table entries examined: 193472 Prefixes after maximum aggregation: 106457 Unique aggregates announced to Internet: 94537 Total ASes present in the Internet Routing Table: 22748 Origin-only ASes present in the Internet Routing Table: 19809 Origin ASes announcing only one prefix: 9482 Transit ASes present in the Internet Routing Table: 2939 Transit-only ASes present in the Internet Routing Table: 65 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (24076) 20 Prefixes from unregistered ASNs in the Routing Table: 23 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1559273388 Equivalent to 92 /8s, 240 /16s and 159 /24s Percentage of available address space announced: 42.1 Percentage of allocated address space announced: 60.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 95879
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 42297 Total APNIC prefixes after maximum aggregation: 17451 Prefixes being announced from the APNIC address blocks: 39996 Unique aggregates announced from the APNIC address blocks: 18690 APNIC Region origin ASes present in the Internet Routing Table: 2658 APNIC Region origin ASes announcing only one prefix: 752 APNIC Region transit ASes present in the Internet Routing Table: 390 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 243683680 Equivalent to 14 /8s, 134 /16s and 81 /24s Percentage of available APNIC address space announced: 76.2
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, 121/8, 122/7, 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: 98028 Total ARIN prefixes after maximum aggregation: 58339 Prefixes being announced from the ARIN address blocks: 71847 Unique aggregates announced from the ARIN address blocks: 27086 ARIN Region origin ASes present in the Internet Routing Table: 10843 ARIN Region origin ASes announcing only one prefix: 4090 ARIN Region transit ASes present in the Internet Routing Table: 1001 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 298257152 Equivalent to 17 /8s, 199 /16s and 11 /24s Percentage of available ARIN address space announced: 77.3
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, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 38849 Total RIPE prefixes after maximum aggregation: 26021 Prefixes being announced from the RIPE address blocks: 35901 Unique aggregates announced from the RIPE address blocks: 24118 RIPE Region origin ASes present in the Internet Routing Table: 8309 RIPE Region origin ASes announcing only one prefix: 4357 RIPE Region transit ASes present in the Internet Routing Table: 1363 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 260901444 Equivalent to 15 /8s, 141 /16s and 10 /24s Percentage of available RIPE address space announced: 81.8
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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 11998 Total LACNIC prefixes after maximum aggregation: 3743 Prefixes being announced from the LACNIC address blocks: 10076 Unique aggregates announced from the LACNIC address blocks: 5746 LACNIC Region origin ASes present in the Internet Routing Table: 715 LACNIC Region origin ASes announcing only one prefix: 239 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31387136 Equivalent to 1 /8s, 222 /16s and 238 /24s Percentage of available LACNIC address space announced: 46.8
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: 2277 Total AfriNIC prefixes after maximum aggregation: 903 Prefixes being announced from the AfriNIC address blocks: 1543 Unique aggregates announced from the AfriNIC address blocks: 982 AfriNIC Region origin ASes present in the Internet Routing Table: 158 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4201472 Equivalent to 0 /8s, 64 /16s and 28 /24s Percentage of available AfriNIC address space announced: 12.5
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 4134 1290 7855 239 CHINANET-BACKBONE 4755 982 257 73 Videsh Sanchar Nigam Ltd. Aut 9583 925 109 15 Sify Limited 9498 776 211 70 BHARTI BT INTERNET LTD. 4766 693 4435 302 Korea Telecom (KIX) 1221 609 1779 466 Telstra Pty Ltd 7545 551 124 73 TPG Internet Pty Ltd 17488 520 32 18 Hathway IP Over Cable Interne 17676 490 7093 110 Softbank BB Corp. 9443 449 111 83 Primus Telecommunications 18101 429 85 22 Reliance Infocom Ltd Internet 4812 412 740 61 China Telecom (Shanghai) 17849 401 30 122 Telecommunications Technology 17974 386 129 14 PT TELEKOMUNIKASI INDONESIA 17557 380 30 176 Pakistan Telecom 4802 378 81 167 Wantree Development 2907 336 1733 311 SINET Japan 4837 302 3444 139 chinanet IDC center beijing n 7474 294 211 228 SingTel Optus Pty Ltd 10139 285 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1483 6252 952 AT&T WorldNet Services 721 1025 21942 314 DLA Systems Automation Center 6197 1014 635 477 BellSouth Network Solutions, 701 965 6771 790 UUNET Technologies, Inc. 4323 963 746 272 Time Warner Telecom 18566 950 272 8 Covad Communications 174 938 5769 887 Cogent Communications 2386 913 559 704 AT&T Data Communications Serv 1239 857 2783 604 Sprint 19262 728 2228 187 Verizon Global Networks 11492 718 89 15 Cable One 20115 717 623 383 Charter Communications 209 692 3662 545 Qwest 22773 680 1741 40 Cox Communications, Inc. 7011 650 218 414 Citizens Utilities 6198 597 556 236 BellSouth Network Solutions, 852 581 1068 381 Telus Advanced Communications 855 564 247 74 Canadian Research Network 19916 563 49 54 OLM LLC 5668 544 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 561 1932 441 UUNET - Commercial IP service 3301 316 1187 301 TeliaNet Sweden 3320 288 5012 235 Deutsche Telekom AG 8220 280 471 266 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 242 90 220 Dynamic Network Technologies, 24863 236 42 11 LINKdotNET AS number 3352 235 1639 32 Ibernet, Internet Access Netw 3246 230 462 220 Song Networks 8708 211 276 201 Romania Data Systems S.A. 8551 209 198 29 Bezeq International 30890 207 19 79 SC Kappa Invexim SRL 3215 204 1760 97 France Telecom Transpac 3269 203 2246 73 TELECOM ITALIA 1257 195 742 167 SWIPnet Swedish IP Network 8866 188 37 15 Bulgarian Telecommunication C 5416 179 12 11 BATELCO-BH 6830 177 813 37 UPC Distribution Services 3300 171 171 98 AUCS Communications Services 786 169 1778 169 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 750 1803 224 UniNet S.A. de C.V. 22047 432 206 11 VTR PUNTO NET S.A. 11172 360 113 86 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 273 134 22 Telefonica Del Peru 6471 253 74 28 ENTEL CHILE S.A. 14117 217 13 7 Telefonica del Sur S.A. 6503 183 151 83 AVANTEL, S.A. 7303 181 84 29 Telecom Argentina Stet-France 10481 181 72 8 Prima S.A. 21826 133 17 22 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 131 84 45 E.T.B. 19169 128 8 25 Telconet 14522 123 18 9 SatNet S.A. 7910 114 7 16 ANDINET ON LINE 14259 113 10 15 GTD Internet S.A. 23216 113 21 9 RAMtelecom Telecomunicaciones 7738 111 410 20 Telecomunicacoes da Bahia S.A 6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 284 803 231 The Internet Solution 8452 170 60 7 TEDATA 6713 146 135 11 Itissalat Al-MAGHRIB 2018 135 314 105 Tertiary Education Network 15475 131 84 4 Nile Online 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 106 6 2 EEPAD TISP TELECOM & INTERNET 2905 78 159 69 The Internetworking Company o 20928 59 16 3 Noor Advanced Technologies AS 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 30 7 21 AS Number for Telecom Algeria 16637 25 18 23 Johnnic e-Ventures 23889 24 8 11 MAURITIUS TELECOM 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 33766 21 2 1 Nyala Communications Pty Ltd 21491 20 17 2 UTL On-line is RF broadband I 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1290 1051 CHINANET-BACKBONE 18566 950 942 Covad Communications 9583 925 910 Sify Limited 4755 982 909 Videsh Sanchar Nigam Ltd. Aut 721 1025 711 DLA Systems Automation Center 9498 776 706 BHARTI BT INTERNET LTD. 11492 718 703 Cable One 4323 963 691 Time Warner Telecom 22773 680 640 Cox Communications, Inc. 19262 728 541 Verizon Global Networks 6197 1014 537 BellSouth Network Solutions, 8151 750 526 UniNet S.A. de C.V. 5668 544 521 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 520 502 Hathway IP Over Cable Interne 855 564 490 Canadian Research Network 7545 551 478 TPG Internet Pty Ltd 22047 432 421 VTR PUNTO NET S.A. 15270 450 417 PaeTec.net -a division of Pae 3602 521 416 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin 65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin 65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin 65350 PRIVATE 219.148.40.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 198.18.1.0/24 3301 TeliaNet Sweden
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 192.84.205.0/24 719 LANLINK autonomous system 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 /8:17 /9:9 /10:11 /11:28 /12:97 /13:206 /14:372 /15:733 /16:8918 /17:3372 /18:5504 /19:11960 /20:13563 /21:11820 /22:14995 /23:16190 /24:104592 /25:381 /26:293 /27:186 /28:62 /29:38 /30:78 /31:0 /32:47
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 933 950 Covad Communications 6197 794 1014 BellSouth Network Solutions, 7018 783 1483 AT&T WorldNet Services 9583 756 925 Sify Limited 11492 706 718 Cable One 2386 631 913 AT&T Data Communications Serv 7011 558 650 Citizens Utilities 19916 557 563 OLM LLC 4766 504 693 Korea Telecom (KIX) 9498 445 776 BHARTI BT INTERNET LTD. 6198 440 597 BellSouth Network Solutions, 855 438 564 Canadian Research Network 5668 426 544 CenturyTel Internet Holdings, 15270 419 450 PaeTec.net -a division of Pae 1239 401 857 Sprint 4755 395 982 Videsh Sanchar Nigam Ltd. Aut 17849 395 401 Telecommunications Technology 6517 377 410 Yipes Communications, Inc. 18101 365 429 Reliance Infocom Ltd Internet 22773 359 680 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:48 12:1595 13:1 15:15 16:3 17:3 18:4 20:41 24:796 25:1 32:59 38:239 40:53 41:8 44:3 47:6 52:4 55:1 56:3 57:26 58:205 59:246 60:178 61:922 62:804 63:1887 64:3088 65:2244 66:2957 67:629 68:673 69:1566 70:392 71:87 72:832 74:61 75:1 80:787 81:674 82:642 83:383 84:395 85:565 86:409 87:462 88:140 89:380 91:1 121:10 122:3 123:1 124:340 125:571 128:149 129:188 130:118 131:317 132:34 133:8 134:159 135:49 136:173 137:85 138:210 139:46 140:491 141:136 142:373 143:187 144:238 145:40 146:317 147:140 148:350 149:186 150:114 151:98 152:71 153:116 154:5 155:212 156:177 157:137 158:167 159:173 160:93 161:77 162:244 163:164 164:238 165:223 166:182 167:243 168:484 169:125 170:354 171:14 183:1 190:96 192:5731 193:3381 194:2670 195:2000 196:862 198:3900 199:3295 200:4618 201:1026 202:6787 203:7067 204:3890 205:2036 206:2427 207:2919 208:2201 209:3424 210:2150 211:809 212:1247 213:1396 214:363 215:41 216:4016 217:1201 218:315 219:244 220:744 221:360 222:217
End of report
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