Keyboard Shortcuts
Thread View
j
: Next unread messagek
: Previous unread messagej a
: Jump to all threadsj l
: Jump to MailingList overview
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 20 Apr, 2005
Analysis Summary ----------------
BGP routing table entries examined: 160169 Prefixes after maximum aggregation: 93268 Unique aggregates announced to Internet: 77096 Total ASes present in the Internet Routing Table: 19443 Origin-only ASes present in the Internet Routing Table: 16914 Origin ASes announcing only one prefix: 7931 Transit ASes present in the Internet Routing Table: 2529 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1383698240 Equivalent to 82 /8s, 121 /16s and 143 /24s Percentage of available address space announced: 37.3 Percentage of allocated address space announced: 58.6 Percentage of available address space allocated: 63.7 Total number of prefixes smaller than registry allocations: 74874
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 32635 Total APNIC prefixes after maximum aggregation: 15393 Prefixes being announced from the APNIC address blocks: 30570 Unique aggregates announced from the APNIC address blocks: 15444 APNIC Region origin ASes present in the Internet Routing Table: 2246 APNIC Region origin ASes announcing only one prefix: 659 APNIC Region transit ASes present in the Internet Routing Table: 343 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 181785984 Equivalent to 10 /8s, 213 /16s and 213 /24s Percentage of available APNIC address space announced: 67.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575 APNIC Address Blocks 58/7, 60/7, 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: 87153 Total ARIN prefixes after maximum aggregation: 53160 Prefixes being announced from the ARIN address blocks: 67928 Unique aggregates announced from the ARIN address blocks: 24952 ARIN Region origin ASes present in the Internet Routing Table: 9863 ARIN Region origin ASes announcing only one prefix: 3582 ARIN Region transit ASes present in the Internet Routing Table: 930 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 246112512 Equivalent to 14 /8s, 171 /16s and 97 /24s Percentage of available ARIN address space announced: 69.9
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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 30390 Total RIPE prefixes after maximum aggregation: 21018 Prefixes being announced from the RIPE address blocks: 27419 Unique aggregates announced from the RIPE address blocks: 18318 RIPE Region origin ASes present in the Internet Routing Table: 6557 RIPE Region origin ASes announcing only one prefix: 3470 RIPE Region transit ASes present in the Internet Routing Table: 1096 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 201416128 Equivalent to 12 /8s, 1 /16s and 93 /24s Percentage of available RIPE address space announced: 70.6
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 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 8546 Total LACNIC prefixes after maximum aggregation: 2990 Prefixes being announced from the LACNIC address blocks: 6965 Unique aggregates announced from the LACNIC address blocks: 4027 LACNIC Region origin ASes present in the Internet Routing Table: 609 LACNIC Region origin ASes announcing only one prefix: 193 LACNIC Region transit ASes present in the Internet Routing Table: 115 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 18134016 Equivalent to 1 /8s, 20 /16s and 180 /24s Percentage of available LACNIC address space announced: 54.0
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 1428 Total AfriNIC prefixes after maximum aggregation: 707 Prefixes being announced from the AfriNIC address blocks: 926 Unique aggregates announced from the AfriNIC address blocks: 734 AfriNIC Region origin ASes present in the Internet Routing Table: 100 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 2206720 Equivalent to 0 /8s, 33 /16s and 172 /24s Percentage of available AfriNIC address space announced: 6.6
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 901 5101 182 CHINANET-BACKBONE 1221 774 1193 551 Telstra Pty Ltd 9583 711 52 63 Sify Limited 4766 586 3415 275 Korea Telecom (KIX) 4755 543 243 112 Videsh Sanchar Nigam Ltd. Aut 7545 482 86 68 TPG Internet Pty Ltd 17676 430 6508 72 Softbank BB Corp. 9443 369 77 75 Primus Telecommunications 9929 358 175 45 China Netcom Corp. 2907 345 1838 319 SINET Japan 17557 334 24 154 Pakistan Telecom 10036 313 28 284 C&M Communication Co. Ltd. 4808 311 251 169 CNCGROUP IP network: China169 7474 299 268 210 SingTel Optus Pty Ltd 9498 288 82 52 BHARTI BT INTERNET LTD. 4802 279 47 164 Wantree Development 2764 260 238 198 AAPT Limited 703 257 279 211 UUNET - Commercial IP service 9800 242 386 69 CHINA UNICOM 17974 239 65 13 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1477 6514 960 AT&T WorldNet Services 174 1140 5589 973 Cogent Communications 721 1118 21763 314 DLA Systems Automation Center 4323 1096 663 220 Time Warner Telecom 701 1003 8281 855 UUNET Technologies, Inc. 1239 915 2877 662 Sprint 6197 889 382 412 BellSouth Network Solutions, 2386 845 532 626 AT&T Data Communications Serv 18566 791 224 7 Covad Communications 209 645 3475 497 Qwest 20115 606 501 312 Charter Communications 3356 584 10836 438 Level 3 Communications, LLC 3561 546 2369 414 Savvis 852 532 1095 393 Telus Advanced Communications 27364 517 43 18 Armstrong Cable Services 3602 507 121 91 Sprint Canada, Inc. 5668 489 115 25 CenturyTel Internet Holdings, 22773 477 1188 21 Cox Communications, Inc. 6198 461 439 205 BellSouth Network Solutions, 7132 441 8654 378 SBC Internet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 598 2003 489 UUNET - Commercial IP service 3320 303 2993 237 Deutsche Telekom AG 3301 295 1116 285 TeliaNet Sweden 8220 278 472 271 COLT Telecommunications 680 253 2041 238 DFN-IP service G-WiN 3246 232 491 227 Song Networks 8708 227 251 208 Romania Data Systems S.A. 1257 198 695 174 SWIPnet Swedish IP Network 5515 178 778 128 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3269 167 1472 73 TELECOM ITALIA 8866 163 21 12 Bulgarian Telecommunication C 6746 161 47 141 Dynamic Network Technologies, 719 159 340 101 LANLINK autonomous system 3300 151 184 84 AUCS Communications Services 5400 147 286 130 BT Ignite European Backbone 25186 139 137 97 France Telecom Transpac's Tra 6830 138 513 27 UPC Distribution Services 9051 128 8 34 INCONET Autonomous System 2856 127 2305 115 BTnet UK Regional network
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 354 533 147 UniNet S.A. de C.V. 16814 265 16 7 NSS, S.A. 11172 222 99 54 Servicios Alestra S.A de C.V 19632 190 14 7 Metropolis Intercom S.A. 6147 182 102 20 Telefonica Del Peru 11664 153 19 23 Keytech SA 7303 148 68 21 Telecom Argentina Stet-France 6505 131 90 88 Global One Communicaoes Ltda 22047 123 96 6 VTR PUNTO NET S.A. 14117 119 8 4 Telefonica del Sur S.A. 18822 104 7 16 TELEFONICA MANQUEHUE 6503 103 146 74 AVANTEL, S.A. 13999 102 52 9 Mega Cable S.A. de C.V. 10481 101 40 7 Prima S.A. 11556 99 49 5 Cable-Wireless Panama 19169 95 6 17 Telconet 11311 85 8 21 Sinectis S.A. 5639 84 12 9 Telecommunications Services o 23216 84 24 22 RAMtelecom Telecomunicaciones 4270 79 18 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 268 635 225 The Internet Solution 5536 119 15 17 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 90 16 2 Noor Advanced Technologies AS 2905 75 267 69 The Internetworking Company o 8452 64 20 5 TEDATA 24835 59 34 6 RAYA Telecom - Egypt 9129 43 3 3 UUNET Kenya 12455 43 7 4 Jambonet Autonomous system 5713 35 141 28 Telkom SA Ltd 6713 35 54 9 Itissalat Al-MAGHRIB 8524 25 1 4 AUCEGYPT Autonomous System 15475 23 84 4 Nile Online 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 7460 18 3 5 LIA Internet Access 12258 17 3 11 Vodacom Internet Company 15808 16 1 1 Communication Solutions Ltd i 21491 16 1 3 UTL On-line is RF broadband I 15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 0 0 65531 * 4323 1096 876 Time Warner Telecom 721 1118 804 DLA Systems Automation Center 18566 791 784 Covad Communications 4134 901 719 CHINANET-BACKBONE 9583 711 648 Sify Limited 27364 517 499 Armstrong Cable Services 6197 889 477 BellSouth Network Solutions, 5668 489 464 CenturyTel Internet Holdings, 22773 477 456 Cox Communications, Inc. 4755 543 431 Videsh Sanchar Nigam Ltd. Aut 3602 507 416 Sprint Canada, Inc. 7545 482 414 TPG Internet Pty Ltd 6467 440 405 E.Spire Communications, Inc. 17676 430 358 Softbank BB Corp. 6140 399 327 ImpSat 9929 358 313 China Netcom Corp. 4766 586 311 Korea Telecom (KIX) 20115 606 294 Charter Communications 9443 369 294 Primus Telecommunications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK 30999 UNALLOCATED 196.192.80.0/24 6774 BELGACOM 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 65444 PRIVATE 212.25.125.0/24 8551 Bezeq International 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
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 172.32.0.0/24 7011 Citizens Utilities 172.122.28.0/24 210 Utah Education Network 192.43.230.0/24 7575 Australian Academic and Rease 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 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:3 /10:8 /11:15 /12:68 /13:152 /14:308 /15:583 /16:8372 /17:2520 /18:4318 /19:10212 /20:10947 /21:8861 /22:12189 /23:13219 /24:87482 /25:284 /26:263 /27:141 /28:74 /29:37 /30:66 /31:0 /32:29
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 775 791 Covad Communications 6197 732 889 BellSouth Network Solutions, 7018 663 1477 AT&T WorldNet Services 2386 599 845 AT&T Data Communications Serv 9583 531 711 Sify Limited 4323 514 1096 Time Warner Telecom 27364 505 517 Armstrong Cable Services 5668 407 489 CenturyTel Internet Holdings, 4766 402 586 Korea Telecom (KIX) 1239 383 915 Sprint 702 365 598 UUNET - Commercial IP service 6198 336 461 BellSouth Network Solutions, 6467 321 440 E.Spire Communications, Inc. 10036 313 313 C&M Communication Co. Ltd. 7011 295 344 Citizens Utilities 6517 294 317 Yipes Communications, Inc. 9929 282 358 China Netcom Corp. 11456 271 318 Carolina Online, Inc. 15270 254 274 PaeTec.net -a division of Pae 174 249 1140 Cogent Communications
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:11 12:1522 13:1 15:9 16:2 17:3 18:4 20:4 24:844 32:69 33:4 38:108 40:53 44:3 47:2 52:4 55:2 56:3 57:24 58:41 59:25 60:20 61:756 62:580 63:1880 64:2664 65:2084 66:2774 67:544 68:514 69:976 70:90 71:6 72:138 80:550 81:533 82:376 83:228 84:147 85:163 128:147 129:157 130:88 131:280 132:35 133:1 134:150 135:41 136:187 137:66 138:172 139:56 140:187 141:106 142:138 143:130 144:171 145:32 146:281 147:103 148:292 149:169 150:98 151:63 152:107 153:87 154:5 155:143 156:77 157:88 158:167 159:172 160:73 161:60 162:202 163:83 164:205 165:175 166:155 167:232 168:416 169:139 170:312 171:8 172:2 192:5703 193:3162 194:2328 195:1558 196:640 198:3938 199:3281 200:3975 201:114 202:5456 203:6121 204:3814 205:2025 206:2457 207:2753 208:2085 209:3287 210:1690 211:840 212:1194 213:1281 214:273 215:32 216:3587 217:1135 218:187 219:106 220:359 221:192 222:86
End of report
Activity Summary
- 7203 days inactive
- 7203 days old
- bgp-stats@lists.apnic.net
- 1 participants
- 0 comments