[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 31 Dec, 2004
Analysis Summary
----------------
BGP routing table entries examined: 153382
Prefixes after maximum aggregation: 90015
Unique aggregates announced to Internet: 73594
Total ASes present in the Internet Routing Table: 18723
Origin-only ASes present in the Internet Routing Table: 16240
Origin ASes announcing only one prefix: 7617
Transit ASes present in the Internet Routing Table: 2483
Transit-only ASes present in the Internet Routing Table: 78
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 20
Prefixes from unregistered ASNs in the Routing Table: 8
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1361484132
Equivalent to 81 /8s, 38 /16s and 153 /24s
Percentage of available address space announced: 36.7
Percentage of allocated address space announced: 59.4
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 71085
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 30131
Total APNIC prefixes after maximum aggregation: 14813
Prefixes being announced from the APNIC address blocks: 28189
Unique aggregates announced from the APNIC address blocks: 14518
APNIC Region origin ASes present in the Internet Routing Table: 2177
APNIC Region origin ASes announcing only one prefix: 647
APNIC Region transit ASes present in the Internet Routing Table: 328
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 170544384
Equivalent to 10 /8s, 42 /16s and 77 /24s
Percentage of available APNIC address space announced: 77.8
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: 86281
Total ARIN prefixes after maximum aggregation: 52118
Prefixes being announced from the ARIN address blocks: 66073
Unique aggregates announced from the ARIN address blocks: 23880
ARIN Region origin ASes present in the Internet Routing Table: 9784
ARIN Region origin ASes announcing only one prefix: 3523
ARIN Region transit ASes present in the Internet Routing Table: 969
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 20
Number of ARIN addresses announced to Internet: 236431616
Equivalent to 14 /8s, 23 /16s and 169 /24s
Percentage of available ARIN address space announced: 70.5
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: 28829
Total RIPE prefixes after maximum aggregation: 19993
Prefixes being announced from the RIPE address blocks: 25750
Unique aggregates announced from the RIPE address blocks: 16954
RIPE Region origin ASes present in the Internet Routing Table: 6181
RIPE Region origin ASes announcing only one prefix: 3304
RIPE Region transit ASes present in the Internet Routing Table: 1066
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 183827712
Equivalent to 10 /8s, 244 /16s and 253 /24s
Percentage of available RIPE address space announced: 64.5
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: 6840
Total LACNIC prefixes after maximum aggregation: 2392
Prefixes being announced from the LACNIC address blocks: 6704
Unique aggregates announced from the LACNIC address blocks: 4076
LACNIC Region origin ASes present in the Internet Routing Table: 411
LACNIC Region origin ASes announcing only one prefix: 120
LACNIC Region transit ASes present in the Internet Routing Table: 76
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 17034240
Equivalent to 1 /8s, 3 /16s and 236 /24s
Percentage of available LACNIC address space announced: 50.8
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1294
Total AfriNIC prefixes after maximum aggregation: 699
Prefixes being announced from the AfriNIC address blocks: 868
Unique aggregates announced from the AfriNIC address blocks: 685
AfriNIC Region origin ASes present in the Internet Routing Table: 94
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2103552
Equivalent to 0 /8s, 32 /16s and 25 /24s
Percentage of available AfriNIC address space announced: 12.5
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 875 4611 168 Data Communications Bureau
1221 793 1184 567 Telstra Pty Ltd
9583 578 47 29 Satyam Infoway Ltd.,
4766 556 3409 272 Korea Internet Exchange for "
4755 436 176 89 Videsh Sanchar Nigam Ltd. Aut
17676 390 5852 60 XTAGE CORPORATION
9443 362 71 77 Primus Telecommunications
2907 356 1857 329 SINET Japan
9929 356 164 41 China Netcom Corp.
703 319 344 248 UUNET
17557 307 22 150 Pakistan Telecom
10036 294 27 270 C&M Communication Co. Ltd.
2764 285 272 228 connect.com.au pty ltd
7474 274 267 203 Optus Communications Pty Ltd
9800 238 383 76 CHINA UNICOM
9498 232 81 55 BHARTI BT INTERNET LTD.
4802 231 28 140 Wantree Development
4814 226 232 6 China Telecom (Group)
7563 226 48 164 Korea Internet Infrastructure
17974 219 63 14 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1427 6571 983 AT&T WorldNet Services
721 1092 21726 302 DLA Systems Automation Center
701 1044 8325 897 UUNET Technologies, Inc.
1239 934 2882 624 Sprint
2386 854 528 607 AT&T Data Communications Serv
4323 822 670 223 Time Warner Telecom
6197 815 380 368 BellSouth Network Solutions,
18566 757 208 6 Covad Communications
209 656 3405 504 Qwest
3356 609 10887 446 Level 3 Communications, LLC
20115 567 468 301 Charter Communications
3561 549 2369 416 Cable & Wireless USA
852 528 1126 401 Telus Advanced Communications
7843 482 729 100 Adelphia Corp.
6478 466 814 96 AT&T Worldnet Services
6198 448 388 199 BellSouth Network Solutions,
7132 447 8243 380 SBC Internet Services
27364 442 44 20 Armstrong Cable Services
5668 424 87 18 Century Telephone
22909 419 907 65 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 625 2023 517 UUNET - Commercial IP service
3320 294 2992 232 Deutsche Telekom AG
3301 287 1112 275 TeliaNet Sweden
8220 277 464 265 COLT Internet - International
21502 272 40 3 NUMERICABLE is a cabled netwo
680 254 2025 239 DFN-IP service G-WiN
3246 224 483 220 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
8708 206 118 190 Romania Data Systems S.A.
1257 205 708 171 SWIPnet Swedish IP Network
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 176 998 76 France Telecom Transpac
6746 168 47 136 Dynamic Network Technologies,
8866 163 18 21 Bulgarian Telecommunication C
719 159 322 104 LANLINK autonomous system
3269 158 1360 69 TELECOM ITALIA
3300 153 165 77 AUCS Communications Services
25186 143 138 100 France Telecom Transpac's Tra
5400 135 216 118 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 355 140 69 ImpSat
8151 329 473 141 UniNet S.A. de C.V.
16814 234 14 6 NSS, S.A.
11172 215 99 54 Servicios Alestra S.A de C.V
11664 189 19 28 Keytech SA
6147 184 94 20 Telefonica Del Peru
7303 161 68 20 Telecom Argentina Stet-France
6505 140 90 96 Global One Communicaoes Ltda
6503 128 148 85 AVANTEL, S.A.
11992 102 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
14420 87 6 42 ANDINATEL S.A.
11311 86 8 22 Sinectis S.A.
6535 84 7 25 Chilesat Servicios Empresari
10481 82 32 7 Prima S.A.
4270 81 18 9 Red de Interconexion Universi
13999 81 52 9 Mega Cable S.A. de C.V.
5639 79 8 8 Telecommunications Services o
15311 78 25 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 269 636 226 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 77 272 70 The Internetworking Company o
20928 74 16 2 Noor Advanced Technologies AS
24835 48 34 7 RAYA Telecom - Egypt
8452 35 20 5 TEDATA
6713 34 38 9 Itissalat Al-MAGHRIB
9129 34 3 2 UUNET Kenya
5713 27 141 24 Telkom SA Ltd
12455 27 7 4 Jambonet Autonomous system
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
21280 17 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
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
721 1092 790 DLA Systems Automation Center
18566 757 751 Covad Communications
4134 875 707 Data Communications Bureau
4323 822 599 Time Warner Telecom
9583 578 549 Satyam Infoway Ltd.,
6197 815 447 BellSouth Network Solutions,
27364 442 422 Armstrong Cable Services
5668 424 406 Century Telephone
22773 416 393 Cox Communications, Inc. Atla
7843 482 382 Adelphia Corp.
6478 466 370 AT&T Worldnet Services
22909 419 354 Comcast Cable Corporation
4755 436 347 Videsh Sanchar Nigam Ltd. Aut
6467 373 342 E.Spire Communications, Inc.
17676 390 330 XTAGE CORPORATION
9929 356 315 China Netcom Corp.
1239 934 310 Sprint
13609 328 294 Choice One Communications Inc
4355 393 292 EarthLink, Inc.
6140 355 286 ImpSat
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group
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
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
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 /8:19 /9:3 /10:7 /11:15 /12:59
/13:139 /14:315 /15:564 /16:8225 /17:2334 /18:4042
/19:10029 /20:10640 /21:8184 /22:11401 /23:12958 /24:83545
/25:254 /26:232 /27:127 /28:60 /29:36 /30:140
/31:0 /32:54
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 742 757 Covad Communications
6197 661 815 BellSouth Network Solutions,
2386 627 854 AT&T Data Communications Serv
7018 585 1427 AT&T WorldNet Services
27364 427 442 Armstrong Cable Services
9583 402 578 Satyam Infoway Ltd.,
702 381 625 UUNET - Commercial IP service
4766 376 556 Korea Internet Exchange for "
1239 371 934 Sprint
5668 367 424 Century Telephone
6198 325 448 BellSouth Network Solutions,
10036 294 294 C&M Communication Co. Ltd.
6517 291 314 Yipes Communications, Inc.
13609 286 328 Choice One Communications Inc
9929 285 356 China Netcom Corp.
6467 283 373 E.Spire Communications, Inc.
21502 269 272 NUMERICABLE is a cabled netwo
4323 268 822 Time Warner Telecom
11456 257 302 Carolina Online, Inc.
701 252 1044 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1462 13:1 15:5 16:2
17:3 18:3 20:4 24:716 32:67 33:3
38:84 40:55 44:3 47:2 52:3 55:2
56:3 57:23 59:1 60:12 61:689 62:500
63:1850 64:2522 65:2079 66:2532 67:478 68:519
69:858 70:50 71:1 72:22 80:529 81:605
82:382 83:210 84:80 85:43 128:109 129:164
130:90 131:193 132:34 134:176 135:30 136:182
137:69 138:159 139:35 140:186 141:108 142:133
143:124 144:165 145:41 146:282 147:88 148:261
149:129 150:92 151:62 152:116 153:70 154:2
155:134 156:62 157:71 158:149 159:163 160:63
161:60 162:382 163:84 164:218 165:167 166:126
167:223 168:357 169:131 170:313 171:8 192:5651
193:3035 194:2217 195:1542 196:601 198:3865 199:3283
200:3983 201:42 202:5046 203:5862 204:3570 205:2106
206:2311 207:2535 208:2108 209:3055 210:1557 211:731
212:1165 213:1259 214:231 215:31 216:3733 217:1097
218:175 219:87 220:310 221:92 222:37
End of report
