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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 18 Oct, 2004
Analysis Summary
----------------
BGP routing table entries examined: 148705
Prefixes after maximum aggregation: 88001
Unique aggregates announced to Internet: 71183
Total ASes present in the Internet Routing Table: 18253
Origin-only ASes present in the Internet Routing Table: 15844
Origin ASes announcing only one prefix: 7433
Transit ASes present in the Internet Routing Table: 2409
Transit-only ASes present in the Internet Routing Table: 73
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 28
Prefixes from unregistered ASNs in the Routing Table: 55
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1344334444
Equivalent to 80 /8s, 32 /16s and 234 /24s
Percentage of available address space announced: 36.3
Percentage of allocated address space announced: 58.6
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 68458
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 28798
Total APNIC prefixes after maximum aggregation: 14317
Prefixes being announced from the APNIC address blocks: 26954
Unique aggregates announced from the APNIC address blocks: 14258
APNIC Region origin ASes present in the Internet Routing Table: 2154
APNIC Region origin ASes announcing only one prefix: 650
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 164787328
Equivalent to 9 /8s, 210 /16s and 116 /24s
Percentage of available APNIC address space announced: 75.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 84410
Total ARIN prefixes after maximum aggregation: 51377
Prefixes being announced from the ARIN address blocks: 64555
Unique aggregates announced from the ARIN address blocks: 23049
ARIN Region origin ASes present in the Internet Routing Table: 9629
ARIN Region origin ASes announcing only one prefix: 3463
ARIN Region transit ASes present in the Internet Routing Table: 932
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 234019584
Equivalent to 13 /8s, 242 /16s and 219 /24s
Percentage of available ARIN address space announced: 69.7
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
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,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 27738
Total RIPE prefixes after maximum aggregation: 19262
Prefixes being announced from the RIPE address blocks: 24568
Unique aggregates announced from the RIPE address blocks: 16114
RIPE Region origin ASes present in the Internet Routing Table: 5914
RIPE Region origin ASes announcing only one prefix: 3188
RIPE Region transit ASes present in the Internet Routing Table: 1025
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 28
Number of RIPE addresses announced to Internet: 173696640
Equivalent to 10 /8s, 90 /16s and 102 /24s
Percentage of available RIPE address space announced: 60.9
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
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: 6479
Total LACNIC prefixes after maximum aggregation: 2355
Prefixes being announced from the LACNIC address blocks: 6317
Unique aggregates announced from the LACNIC address blocks: 3769
LACNIC Region origin ASes present in the Internet Routing Table: 393
LACNIC Region origin ASes announcing only one prefix: 112
LACNIC Region transit ASes present in the Internet Routing Table: 79
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 16286976
Equivalent to 0 /8s, 248 /16s and 133 /24s
Percentage of available LACNIC address space announced: 48.5
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1275
Total AfriNIC prefixes after maximum aggregation: 690
Prefixes being announced from the AfriNIC address blocks: 892
Unique aggregates announced from the AfriNIC address blocks: 682
AfriNIC Region origin ASes present in the Internet Routing Table: 93
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 2069760
Equivalent to 0 /8s, 31 /16s and 149 /24s
Percentage of available AfriNIC address space announced: 12.3
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 846 4407 163 Data Communications Bureau
1221 800 1183 576 Telstra Pty Ltd
4766 547 3407 266 Korea Internet Exchange for "
9583 535 41 104 Satyam Infoway Ltd.,
4755 373 133 53 Videsh Sanchar Nigam Ltd. Aut
17676 369 5516 54 XTAGE CORPORATION
2907 354 1857 328 SINET Japan
9443 353 69 79 Primus Telecommunications
9929 345 161 33 China Netcom Corp.
17557 317 23 158 Pakistan Telecom
703 311 342 240 UUNET
2764 284 272 232 connect.com.au pty ltd
7474 262 268 197 Optus Communications Pty Ltd
9942 236 73 128 COMindico Australia
4802 233 28 141 Wantree Development
9498 230 50 49 BHARTI BT INTERNET LTD.
9800 230 374 67 CHINA UNICOM
7563 221 48 163 Korea Internet Infrastructure
10036 204 19 185 C&M Communication Co. Ltd.
17974 203 62 10 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1422 6751 989 AT&T WorldNet Services
701 1251 8433 899 UUNET Technologies, Inc.
1239 931 2866 619 Sprint
2386 847 532 610 AT&T Data Communications Serv
6197 808 370 348 BellSouth Network Solutions,
4323 791 638 216 Time Warner Telecom
18566 746 208 6 Covad Communications
721 721 21028 297 DLA Systems Automation Center
3356 641 10954 441 Level 3 Communications, LLC
209 631 3465 499 Qwest
20115 591 427 303 Charter Communications
3561 562 2433 425 Cable & Wireless USA
852 511 1142 397 Telus Advanced Communications
7843 493 698 104 Adelphia Corp.
7132 447 8287 376 SBC Internet Services
6198 433 347 208 BellSouth Network Solutions,
705 431 163 273 UUNET Technologies, Inc.
6478 412 722 93 AT&T Worldnet Services
27364 411 36 19 Armstrong Cable Services
5668 403 87 18 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 628 1997 520 UUNET - Commercial IP service
3320 302 2486 239 Deutsche Telekom AG
3301 280 1100 270 TeliaNet Sweden
8220 279 461 265 COLT Internet - International
21502 269 40 3 NUMERICABLE is a cabled netwo
680 251 2025 239 DFN-IP service G-WiN
3246 218 476 215 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 208 743 180 SWIPnet Swedish IP Network
8708 205 114 183 Romania Data Systems S.A.
5515 201 843 147 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
6746 159 30 129 Dynamic Network Technologies,
719 157 288 102 LANLINK autonomous system
3215 156 908 76 France Telecom Transpac
8866 153 20 7 Bulgarian Telecommunication C
3269 150 1259 67 TELECOM ITALIA
5400 149 207 120 BT Ignite European Backbone
25186 149 154 105 France Telecom Transpac's Tra
3303 147 610 129 Swisscom Ltd
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 347 138 67 ImpSat
8151 305 440 130 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
11172 206 100 54 Servicios Alestra S.A de C.V
6147 185 94 20 Telefonica Del Peru
11664 165 12 30 Keytech SA
6505 137 90 94 Global One Communicaoes Ltda
7303 134 60 24 Telecom Argentina Stet-France
6503 124 164 85 AVANTEL, S.A.
11992 101 9 31 Integrated Systems
14117 97 6 8 Telefonica del Sur S.A.
11311 86 8 25 Sinectis S.A.
6535 85 7 19 Chilesat Servicios Empresari
11556 81 41 3 Cable-Wireless Panama
10481 80 32 7 Prima S.A.
14420 80 5 33 ANDINATEL S.A.
4270 79 18 9 Red de Interconexion Universi
15311 76 21 36 Telefonica Empresas
5639 75 8 8 Telecommunications Services o
14522 74 5 9 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 251 631 218 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 93 276 81 The Internetworking Company o
20928 57 16 1 Noor Advanced Technologies AS
22750 50 3 2 >>UNKNOWN<<
24835 34 34 7 RAYA Telecom - Egypt
9129 33 3 4 UUNET Kenya
6713 31 42 10 Itissalat Al-MAGHRIB
5713 26 125 24 Telkom SA Ltd
14988 26 16 1 Botswana Telecommunications C
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
12455 17 4 2 Jambonet Autonomous system
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
21491 15 1 4 UTL On-line is RF broadband I
21280 14 2 3 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 746 740 Covad Communications
4134 846 683 Data Communications Bureau
4323 791 575 Time Warner Telecom
6197 808 460 BellSouth Network Solutions,
9583 535 431 Satyam Infoway Ltd.,
721 721 424 DLA Systems Automation Center
27364 411 392 Armstrong Cable Services
7843 493 389 Adelphia Corp.
5668 403 385 Century Telephone
22773 392 374 Cox Communications, Inc. Atla
22909 394 369 Comcast Cable Corporation
6467 388 357 E.Spire Communications, Inc.
701 1251 352 UUNET Technologies, Inc.
4755 373 320 Videsh Sanchar Nigam Ltd. Aut
6478 412 319 AT&T Worldnet Services
17676 369 315 XTAGE CORPORATION
1239 931 312 Sprint
9929 345 312 China Netcom Corp.
4355 389 290 EarthLink, Inc.
20115 591 288 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65006 PRIVATE 84.18.32.0/19 33831 *
65217 PRIVATE 192.102.236.0/24 217 University of Minnes
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
22750 UNALLOCATED 196.44.64.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.64.0/19 2905 The Internetworking
22750 UNALLOCATED 196.44.65.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.66.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.67.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.68.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.69.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.70.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.71.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.72.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.73.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.74.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.75.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.76.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.77.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.78.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.79.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.80.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.81.0/24 3741 The Internet Solutio
22750 UNALLOCATED 196.44.82.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.83.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.84.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.85.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.86.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.87.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.88.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.89.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.90.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.91.0/24 3741 The Internet Solutio
22750 UNALLOCATED 196.44.92.0/24 3741 The Internet Solutio
22750 UNALLOCATED 196.44.93.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.94.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.95.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.224.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.224.0/20 2905 The Internetworking
22750 UNALLOCATED 196.44.225.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.226.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.227.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.228.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.229.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.230.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.231.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.232.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.233.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.234.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.235.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.236.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.237.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.238.0/24 2905 The Internetworking
22750 UNALLOCATED 196.44.239.0/24 2905 The Internetworking
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
65456 PRIVATE 220.112.14.0/24 17430 Great Wall Broadband
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
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
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
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 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 /9:3 /10:6 /11:15 /12:61
/13:137 /14:310 /15:555 /16:8100 /17:2260 /18:3892
/19:9737 /20:10363 /21:7892 /22:10896 /23:12590 /24:81088
/25:237 /26:210 /27:113 /28:53 /29:32 /30:101
/31:0 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 731 746 Covad Communications
6197 657 808 BellSouth Network Solutions,
2386 613 847 AT&T Data Communications Serv
7018 572 1422 AT&T WorldNet Services
27364 395 411 Armstrong Cable Services
702 381 628 UUNET - Commercial IP service
9583 372 535 Satyam Infoway Ltd.,
1239 371 931 Sprint
4766 367 547 Korea Internet Exchange for "
5668 350 403 Century Telephone
701 344 1251 UUNET Technologies, Inc.
6198 317 433 BellSouth Network Solutions,
20115 301 591 Charter Communications
6467 286 388 E.Spire Communications, Inc.
6517 277 301 Yipes Communications, Inc.
9929 276 345 China Netcom Corp.
13609 266 309 Choice One Communications Inc
21502 266 269 NUMERICABLE is a cabled netwo
4323 249 791 Time Warner Telecom
3320 247 302 Deutsche Telekom AG
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:9 12:1422 13:1 15:5 16:2
17:3 18:1 20:5 24:743 32:68 33:2
38:80 40:54 44:3 47:2 52:3 55:1
56:3 57:20 60:4 61:575 62:504 63:1844
64:2417 65:2072 66:2469 67:437 68:553 69:738
70:88 80:522 81:552 82:310 83:189 84:40
128:125 129:165 130:86 131:183 132:33 134:188
135:17 136:187 137:54 138:183 139:38 140:182
141:108 142:122 143:69 144:160 145:42 146:292
147:94 148:327 149:109 150:91 151:65 152:151
153:67 154:2 155:127 156:57 157:66 158:142
159:163 160:60 161:73 162:375 163:79 164:214
165:159 166:120 167:222 168:369 169:120 170:285
171:9 192:5579 193:2902 194:2151 195:1491 196:649
198:3636 199:3308 200:3800 201:20 202:4880 203:5739
204:3408 205:2094 206:2297 207:2573 208:2132 209:2980
210:1499 211:638 212:1113 213:1195 214:130 215:30
216:3624 217:1052 218:180 219:102 220:263 221:55
222:43
End of report
