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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 01 Sep, 2004
Analysis Summary
----------------
BGP routing table entries examined: 145839
Prefixes after maximum aggregation: 86938
Unique aggregates announced to Internet: 69858
Total ASes present in the Internet Routing Table: 17974
Origin-only ASes present in the Internet Routing Table: 15604
Origin ASes announcing only one prefix: 7281
Transit ASes present in the Internet Routing Table: 2370
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 22
Prefixes from unregistered ASNs in the Routing Table: 31
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1332055988
Equivalent to 79 /8s, 101 /16s and 143 /24s
Percentage of available address space announced: 35.9
Percentage of allocated address space announced: 58.1
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 66578
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 27901
Total APNIC prefixes after maximum aggregation: 14043
Prefixes being announced from the APNIC address blocks: 26124
Unique aggregates announced from the APNIC address blocks: 14252
APNIC Region origin ASes present in the Internet Routing Table: 2126
APNIC Region origin ASes announcing only one prefix: 630
APNIC Region transit ASes present in the Internet Routing Table: 334
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 158347136
Equivalent to 9 /8s, 112 /16s and 47 /24s
Percentage of available APNIC address space announced: 72.3
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: 83523
Total ARIN prefixes after maximum aggregation: 51041
Prefixes being announced from the ARIN address blocks: 63795
Unique aggregates announced from the ARIN address blocks: 22543
ARIN Region origin ASes present in the Internet Routing Table: 9511
ARIN Region origin ASes announcing only one prefix: 3400
ARIN Region transit ASes present in the Internet Routing Table: 916
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 231076896
Equivalent to 13 /8s, 197 /16s and 244 /24s
Percentage of available ARIN address space announced: 68.9
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: 26816
Total RIPE prefixes after maximum aggregation: 18914
Prefixes being announced from the RIPE address blocks: 23612
Unique aggregates announced from the RIPE address blocks: 15741
RIPE Region origin ASes present in the Internet Routing Table: 5788
RIPE Region origin ASes announcing only one prefix: 3114
RIPE Region transit ASes present in the Internet Routing Table: 996
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 170020928
Equivalent to 10 /8s, 34 /16s and 80 /24s
Percentage of available RIPE address space announced: 59.6
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: 6327
Total LACNIC prefixes after maximum aggregation: 2256
Prefixes being announced from the LACNIC address blocks: 6118
Unique aggregates announced from the LACNIC address blocks: 3528
LACNIC Region origin ASes present in the Internet Routing Table: 388
LACNIC Region origin ASes announcing only one prefix: 116
LACNIC Region transit ASes present in the Internet Routing Table: 77
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 15785472
Equivalent to 0 /8s, 240 /16s and 222 /24s
Percentage of available LACNIC address space announced: 47.0
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1241
Total AfriNIC prefixes after maximum aggregation: 684
Prefixes being announced from the AfriNIC address blocks: 831
Unique aggregates announced from the AfriNIC address blocks: 662
AfriNIC Region origin ASes present in the Internet Routing Table: 91
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 2060032
Equivalent to 0 /8s, 31 /16s and 111 /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 833 4193 156 Data Communications Bureau
1221 812 1184 586 Telstra Pty Ltd
4766 563 2897 265 Korea Internet Exchange for "
9583 522 40 107 Satyam Infoway Ltd.,
4755 367 133 50 Videsh Sanchar Nigam Ltd. Aut
9929 363 162 34 China Netcom Corp.
9443 355 70 81 Primus Telecommunications
2907 354 1856 328 SINET Japan
17676 347 5164 39 XTAGE CORPORATION
17557 318 22 155 Pakistan Telecom
703 314 342 242 UUNET
2764 285 274 232 connect.com.au pty ltd
7474 263 268 200 Optus Communications Pty Ltd
9942 234 73 130 COMindico Australia
4802 233 28 143 Wantree Development
9800 227 371 65 CHINA UNICOM
9498 221 49 49 BHARTI BT INTERNET LTD.
10036 202 18 183 C&M Communication Co. Ltd.
4837 200 2256 105 chinanet IDC center beijing n
17974 199 61 10 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1421 6758 967 AT&T WorldNet Services
701 1276 8408 920 UUNET Technologies, Inc.
1239 927 2841 616 Sprint
2386 826 560 591 AT&T Data Communications Serv
4323 778 633 215 Time Warner Telecom
18566 741 208 6 Covad Communications
6197 719 362 340 BellSouth Network Solutions,
721 715 21018 296 DLA Systems Automation Center
209 616 3430 495 Qwest
20115 587 407 298 Charter Communications
3356 565 10933 435 Level 3 Communications, LLC
6347 546 296 119 SAVVIS Communications Corpora
852 510 1141 398 Telus Advanced Communications
7843 490 675 104 Adelphia Corp.
3561 469 2390 349 Cable & Wireless USA
6198 457 401 207 BellSouth Network Solutions,
7132 434 8030 376 SBC Internet Services
705 429 163 271 UUNET Technologies, Inc.
4355 388 323 99 EarthLink, Inc.
5668 388 87 18 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 659 2033 542 UUNET - Commercial IP service
3320 302 2470 239 Deutsche Telekom AG
3301 283 1098 273 TeliaNet Sweden
8220 275 445 262 COLT Internet - International
680 244 2025 239 DFN-IP service G-WiN
3246 217 475 214 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 213 747 182 SWIPnet Swedish IP Network
8708 203 113 181 Romania Data Systems S.A.
5515 199 842 145 Sonera Solution Autonomous Sy
3215 182 876 76 France Telecom Transpac
786 177 1794 177 The JANET IP Service
719 157 288 102 LANLINK autonomous system
5400 154 209 125 BT Ignite European Backbone
6746 154 29 131 Dynamic Network Technologies,
25186 152 154 108 France Telecom Transpac's Tra
3303 146 609 129 Swisscom Ltd
3269 145 1195 66 TELECOM ITALIA
8866 136 16 17 Bulgarian Telecommunication C
12302 127 18 33 MobiFon S.A.
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
11172 357 100 54 Servicios Alestra S.A de C.V
6140 343 137 63 ImpSat
8151 286 407 132 UniNet S.A. de C.V.
16814 212 13 7 NSS, S.A.
6147 186 86 19 Telefonica Del Peru
11664 157 11 21 Keytech SA
6505 135 90 93 Global One Communicaoes Ltda
6503 134 187 90 AVANTEL, S.A.
7303 121 55 19 Telecom Argentina Stet-France
11992 89 9 30 Integrated Systems
14420 86 6 34 ANDINATEL S.A.
6535 82 5 17 Chilesat Servicios Empresari
10481 81 32 7 Prima S.A.
11556 80 40 2 Cable-Wireless Panama
5639 78 8 8 Telecommunications Services o
11311 78 7 19 Sinectis S.A.
15311 76 21 36 Telefonica Empresas
4270 70 18 9 Red de Interconexion Universi
14117 69 5 4 Telefonica del Sur S.A.
14259 67 4 5 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 252 632 219 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 94 297 92 Tertiary Education Network
2905 92 276 81 The Internetworking Company o
20928 59 16 1 Noor Advanced Technologies AS
14988 45 16 1 Botswana Telecommunications C
24835 36 34 7 RAYA Telecom - Egypt
9129 33 3 4 UUNET Kenya
6713 27 42 10 Itissalat Al-MAGHRIB
5713 25 125 23 Telkom SA Ltd
16637 24 10 19 Johnnic e-Ventures
8524 22 1 4 AUCEGYPT Autonomous System
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 14 1 3 UTL On-line is RF broadband I
15808 13 1 2 Communication Solutions Ltd i
17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
18566 741 735 Covad Communications
4134 833 677 Data Communications Bureau
4323 778 563 Time Warner Telecom
6347 546 427 SAVVIS Communications Corpora
721 715 419 DLA Systems Automation Center
9583 522 415 Satyam Infoway Ltd.,
7843 490 386 Adelphia Corp.
6197 719 379 BellSouth Network Solutions,
5668 388 370 Century Telephone
22773 380 362 Cox Communications, Inc. Atla
701 1276 356 UUNET Technologies, Inc.
6467 386 355 E.Spire Communications, Inc.
27364 351 332 Armstrong Cable Services
9929 363 329 China Netcom Corp.
22909 360 323 Comcast Cable Corporation
4755 367 317 Videsh Sanchar Nigam Ltd. Aut
1239 927 311 Sprint
17676 347 308 XTAGE CORPORATION
11172 357 303 Servicios Alestra S.A de C.V
4766 563 298 Korea Internet Exchange for "
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65217 PRIVATE 192.102.236.0/24 217 University of Minnes
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
64572 PRIVATE 219.146.96.0/21 17633 ASN for Shandong Pro
64572 PRIVATE 219.146.104.0/21 17633 ASN for Shandong Pro
64573 PRIVATE 219.146.112.0/21 17633 ASN for Shandong Pro
64573 PRIVATE 219.146.120.0/21 17633 ASN for Shandong Pro
64576 PRIVATE 219.146.128.0/21 17633 ASN for Shandong Pro
64576 PRIVATE 219.146.136.0/21 17633 ASN for Shandong Pro
64582 PRIVATE 219.146.144.0/22 17633 ASN for Shandong Pro
64582 PRIVATE 219.146.148.0/22 17633 ASN for Shandong Pro
64584 PRIVATE 219.146.176.0/22 17633 ASN for Shandong Pro
64584 PRIVATE 219.146.180.0/22 17633 ASN for Shandong Pro
64575 PRIVATE 219.146.192.0/22 17633 ASN for Shandong Pro
64575 PRIVATE 219.146.196.0/22 17633 ASN for Shandong Pro
64580 PRIVATE 219.146.208.0/21 17633 ASN for Shandong Pro
64585 PRIVATE 219.146.224.0/21 17633 ASN for Shandong Pro
64582 PRIVATE 219.147.0.0/24 17633 ASN for Shandong Pro
64572 PRIVATE 222.173.128.0/20 17633 ASN for Shandong Pro
64572 PRIVATE 222.173.144.0/20 17633 ASN for Shandong Pro
64573 PRIVATE 222.173.160.0/20 17633 ASN for Shandong Pro
64573 PRIVATE 222.173.176.0/20 17633 ASN for Shandong Pro
64576 PRIVATE 222.173.192.0/20 17633 ASN for Shandong Pro
64576 PRIVATE 222.173.208.0/20 17633 ASN for Shandong Pro
64582 PRIVATE 222.173.224.0/20 17633 ASN for Shandong Pro
64582 PRIVATE 222.173.240.0/20 17633 ASN for Shandong Pro
64584 PRIVATE 222.174.96.0/20 17633 ASN for Shandong Pro
64584 PRIVATE 222.174.112.0/20 17633 ASN for Shandong Pro
64575 PRIVATE 222.174.160.0/20 17633 ASN for Shandong Pro
64575 PRIVATE 222.174.176.0/20 17633 ASN for Shandong Pro
64580 PRIVATE 222.174.224.0/19 17633 ASN for Shandong Pro
64585 PRIVATE 222.175.32.0/19 17633 ASN for Shandong Pro
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
192.43.230.0/24 4738 South Australian Academic Res
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 /11:14 /12:63
/13:134 /14:303 /15:539 /16:8028 /17:2198 /18:3802
/19:9740 /20:10242 /21:7687 /22:10591 /23:12211 /24:79523
/25:242 /26:191 /27:97 /28:51 /29:25 /30:85
/31:0 /32:45
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 725 741 Covad Communications
2386 590 826 AT&T Data Communications Serv
6197 570 719 BellSouth Network Solutions,
7018 567 1421 AT&T WorldNet Services
702 407 659 UUNET - Commercial IP service
6347 395 546 SAVVIS Communications Corpora
4766 367 563 Korea Internet Exchange for "
1239 365 927 Sprint
9583 364 522 Satyam Infoway Ltd.,
701 359 1276 UUNET Technologies, Inc.
5668 339 388 Century Telephone
27364 337 351 Armstrong Cable Services
6198 336 457 BellSouth Network Solutions,
20115 309 587 Charter Communications
9929 290 363 China Netcom Corp.
6467 285 386 E.Spire Communications, Inc.
6517 264 291 Yipes Communications, Inc.
13609 259 302 Choice One Communications Inc
3320 248 302 Deutsche Telekom AG
25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:2 12:1426 13:1 15:5 16:2
17:3 20:9 24:701 32:76 33:3 38:80
40:54 44:4 52:2 55:1 56:3 57:17
60:6 61:465 62:504 63:1842 64:2279 65:2056
66:2451 67:362 68:544 69:698 70:34 80:524
81:367 82:212 83:140 84:34 128:106 129:171
130:87 131:190 132:26 134:187 135:17 136:173
137:50 138:175 139:35 140:162 141:107 142:120
143:67 144:154 145:41 146:295 147:96 148:423
149:107 150:88 151:70 152:169 153:68 154:2
155:129 156:64 157:79 158:144 159:160 160:56
161:71 162:389 163:79 164:205 165:160 166:115
167:222 168:283 169:114 170:271 171:9 192:5598
193:2871 194:2118 195:1468 196:586 198:3678 199:3257
200:3703 201:15 202:4855 203:5660 204:3213 205:2078
206:2321 207:2548 208:2141 209:3021 210:1453 211:587
212:1003 213:1193 214:130 215:31 216:3710 217:1010
218:186 219:87 220:230 221:37 222:88
End of report
