[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 18 Mar, 2005
Analysis Summary
----------------
BGP routing table entries examined: 157731
Prefixes after maximum aggregation: 92287
Unique aggregates announced to Internet: 75941
Total ASes present in the Internet Routing Table: 19166
Origin-only ASes present in the Internet Routing Table: 16674
Origin ASes announcing only one prefix: 7768
Transit ASes present in the Internet Routing Table: 2492
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: 21
Prefixes from unregistered ASNs in the Routing Table: 30
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 13
Number of addresses announced to Internet: 1386219812
Equivalent to 82 /8s, 160 /16s and 9 /24s
Percentage of available address space announced: 37.4
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 63.2
Total number of prefixes smaller than registry allocations: 73496
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31683
Total APNIC prefixes after maximum aggregation: 15175
Prefixes being announced from the APNIC address blocks: 29718
Unique aggregates announced from the APNIC address blocks: 15198
APNIC Region origin ASes present in the Internet Routing Table: 2221
APNIC Region origin ASes announcing only one prefix: 647
APNIC Region transit ASes present in the Internet Routing Table: 332
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 178449344
Equivalent to 10 /8s, 162 /16s and 235 /24s
Percentage of available APNIC address space announced: 66.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
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: 87734
Total ARIN prefixes after maximum aggregation: 53307
Prefixes being announced from the ARIN address blocks: 67125
Unique aggregates announced from the ARIN address blocks: 24617
ARIN Region origin ASes present in the Internet Routing Table: 9942
ARIN Region origin ASes announcing only one prefix: 3589
ARIN Region transit ASes present in the Internet Routing Table: 956
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 242105600
Equivalent to 14 /8s, 110 /16s and 61 /24s
Percentage of available ARIN address space announced: 72.2
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, 29696-30719, 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: 29990
Total RIPE prefixes after maximum aggregation: 20687
Prefixes being announced from the RIPE address blocks: 26942
Unique aggregates announced from the RIPE address blocks: 17864
RIPE Region origin ASes present in the Internet Routing Table: 6413
RIPE Region origin ASes announcing only one prefix: 3387
RIPE Region transit ASes present in the Internet Routing Table: 1077
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 19
Number of RIPE addresses announced to Internet: 194951888
Equivalent to 11 /8s, 158 /16s and 186 /24s
Percentage of available RIPE address space announced: 68.4
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, 33792-35839
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: 6916
Total LACNIC prefixes after maximum aggregation: 2413
Prefixes being announced from the LACNIC address blocks: 6884
Unique aggregates announced from the LACNIC address blocks: 4028
LACNIC Region origin ASes present in the Internet Routing Table: 423
LACNIC Region origin ASes announcing only one prefix: 123
LACNIC Region transit ASes present in the Internet Routing Table: 82
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 17803776
Equivalent to 1 /8s, 15 /16s and 170 /24s
Percentage of available LACNIC address space announced: 53.1
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1381
Total AfriNIC prefixes after maximum aggregation: 705
Prefixes being announced from the AfriNIC address blocks: 905
Unique aggregates announced from the AfriNIC address blocks: 726
AfriNIC Region origin ASes present in the Internet Routing Table: 95
AfriNIC Region origin ASes announcing only one prefix: 22
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: 12
Number of AfriNIC addresses announced to Internet: 2189824
Equivalent to 0 /8s, 33 /16s and 106 /24s
Percentage of available AfriNIC address space announced: 13.1
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 892 4729 176 Data Communications Bureau
1221 781 1187 554 Telstra Pty Ltd
9583 623 50 29 Satyam Infoway Ltd.,
4766 582 3415 276 Korea Internet Exchange for "
4755 492 241 102 Videsh Sanchar Nigam Ltd. Aut
7545 478 86 71 TPG Internet Pty Ltd
17676 417 6300 76 XTAGE CORPORATION
9443 374 77 79 Primus Telecommunications
9929 359 175 41 China Netcom Corp.
17557 357 25 157 Pakistan Telecom
2907 347 1823 321 SINET Japan
10036 300 27 273 C&M Communication Co. Ltd.
4808 299 245 160 CHINANET core WAN North
7474 290 283 211 Optus Communications Pty Ltd
4802 283 47 167 Wantree Development
2764 256 238 204 connect.com.au pty ltd
9498 256 82 53 BHARTI BT INTERNET LTD.
703 249 279 207 UUNET
9800 239 390 73 CHINA UNICOM
17974 235 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1468 6563 964 AT&T WorldNet Services
721 1116 21739 311 DLA Systems Automation Center
4323 1070 668 221 Time Warner Telecom
701 1029 8273 876 UUNET Technologies, Inc.
1239 911 2872 659 Sprint
174 892 5565 753 PSINet Inc.
6197 876 383 410 BellSouth Network Solutions,
2386 834 501 615 AT&T Data Communications Serv
18566 777 208 6 Covad Communications
209 633 3474 499 Qwest
20115 586 486 306 Charter Communications
3356 577 10863 428 Level 3 Communications, LLC
3561 557 2373 415 Cable & Wireless USA
852 539 1095 399 Telus Advanced Communications
3602 505 121 93 Sprint Canada, Inc.
6478 499 832 108 AT&T Worldnet Services
22773 479 1218 25 Cox Communications, Inc. Atla
6198 470 567 191 BellSouth Network Solutions,
27364 465 43 18 Armstrong Cable Services
5668 460 115 17 Century Telephone
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 604 2005 494 UUNET - Commercial IP service
3320 294 2992 229 Deutsche Telekom AG
3301 288 1112 278 TeliaNet Sweden
8220 276 450 270 COLT Internet - International
680 254 2041 239 DFN-IP service G-WiN
3246 229 476 223 Song Networks
8708 226 251 204 Romania Data Systems S.A.
13083 218 51 8 Mannesmann Datenverarbeitung
1257 196 710 173 SWIPnet Swedish IP Network
9121 193 236 40 TTnet Autonomous System
5515 179 778 129 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
8866 172 19 20 Bulgarian Telecommunication C
3269 166 1456 72 TELECOM ITALIA
6746 160 47 141 Dynamic Network Technologies,
719 157 322 99 LANLINK autonomous system
3300 153 184 86 AUCS Communications Services
6830 143 529 28 UPC Distribution Services
25186 143 138 101 France Telecom Transpac's Tra
5400 142 281 124 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 381 140 72 ImpSat
8151 337 489 142 UniNet S.A. de C.V.
16814 233 14 6 NSS, S.A.
11172 214 99 53 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
11664 148 19 23 Keytech SA
7303 147 67 31 Telecom Argentina Stet-France
6505 135 90 91 Global One Communicaoes Ltda
14117 118 7 5 Telefonica del Sur S.A.
11992 107 9 31 Integrated Systems
6503 103 145 73 AVANTEL, S.A.
13999 100 52 9 Mega Cable S.A. de C.V.
11556 98 49 4 Cable-Wireless Panama
6535 87 7 23 Chilesat Servicios Empresari
11311 86 8 22 Sinectis S.A.
5639 84 12 9 Telecommunications Services o
10481 80 32 7 Prima S.A.
15311 77 24 36 Telefonica Empresas
7738 75 298 16 Telecomunicacoes da Bahia S.A
10292 75 6 20 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 268 635 225 The Internet Solution
5536 114 15 18 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 88 16 2 Noor Advanced Technologies AS
2905 84 267 76 The Internetworking Company o
8452 55 20 5 TEDATA
24835 55 34 6 RAYA Telecom - Egypt
12455 41 7 4 Jambonet Autonomous system
9129 37 3 2 UUNET Kenya
6713 35 54 9 Itissalat Al-MAGHRIB
5713 27 141 24 Telkom SA Ltd
8524 24 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 19 1 11 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
21280 18 2 3 Swift Global Kenya Ltd.Is an
8346 17 10 11 SONATEL-AS Autonomous System
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
4323 1070 849 Time Warner Telecom
721 1116 805 DLA Systems Automation Center
18566 777 771 Covad Communications
4134 892 716 Data Communications Bureau
9583 623 594 Satyam Infoway Ltd.,
6197 876 466 BellSouth Network Solutions,
22773 479 454 Cox Communications, Inc. Atla
27364 465 447 Armstrong Cable Services
5668 460 443 Century Telephone
3602 505 412 Sprint Canada, Inc.
7545 478 407 TPG Internet Pty Ltd
6478 499 391 AT&T Worldnet Services
4755 492 390 Videsh Sanchar Nigam Ltd. Aut
6467 408 375 E.Spire Communications, Inc.
17676 417 341 XTAGE CORPORATION
9929 359 318 China Netcom Corp.
6140 381 309 ImpSat
4766 582 306 Korea Internet Exchange for "
9443 374 295 Primus Telecommunications
20115 586 280 Charter Communications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd
65535 PRIVATE 64.111.161.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.162.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.164.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.165.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.167.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.169.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.170.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.171.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.172.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.173.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.174.0/24 33205 KMC Telecom Solution
65535 PRIVATE 64.111.175.0/24 33205 KMC Telecom Solution
64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati
30998 UNALLOCATED 65.120.56.0/21 209 Qwest
40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News
64500 RESERVED 85.114.96.0/21 1680 NetVision Ltd.
24261 UNALLOCATED 133.67.0.0/16 9351 Tsu Cable Television
65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK
30998 UNALLOCATED 196.207.0.0/20 209 Qwest
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
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
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 /8:19 /9:3 /10:8 /11:14 /12:62
/13:152 /14:305 /15:572 /16:8331 /17:2449 /18:4185
/19:10125 /20:10817 /21:8707 /22:12041 /23:13179 /24:85924
/25:262 /26:254 /27:110 /28:53 /29:26 /30:90
/31:0 /32:43
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 762 777 Covad Communications
6197 717 876 BellSouth Network Solutions,
7018 637 1468 AT&T WorldNet Services
2386 588 834 AT&T Data Communications Serv
4323 492 1070 Time Warner Telecom
27364 450 465 Armstrong Cable Services
9583 444 623 Satyam Infoway Ltd.,
4766 399 582 Korea Internet Exchange for "
5668 383 460 Century Telephone
1239 377 911 Sprint
702 367 604 UUNET - Commercial IP service
6198 337 470 BellSouth Network Solutions,
6467 305 408 E.Spire Communications, Inc.
10036 300 300 C&M Communication Co. Ltd.
6517 289 311 Yipes Communications, Inc.
9929 282 359 China Netcom Corp.
7011 280 329 Citizens Utilities
11456 263 310 Carolina Online, Inc.
701 250 1029 UUNET Technologies, Inc.
15270 247 266 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1501 13:1 15:9 16:2
17:3 18:4 20:5 24:740 32:64 33:5
38:100 40:55 44:3 47:2 52:3 55:2
56:3 57:24 58:4 59:10 60:24 61:723
62:516 63:1881 64:2631 65:2069 66:2729 67:509
68:506 69:923 70:71 71:5 72:118 80:522
81:503 82:338 83:242 84:126 85:173 128:145
129:158 130:94 131:281 132:35 133:1 134:144
135:34 136:190 137:66 138:158 139:50 140:198
141:104 142:139 143:130 144:172 145:45 146:281
147:98 148:293 149:165 150:97 151:63 152:110
153:85 154:3 155:142 156:68 157:86 158:167
159:166 160:71 161:59 162:199 163:87 164:216
165:153 166:127 167:229 168:410 169:132 170:306
171:8 172:1 192:5659 193:3118 194:2287 195:1602
196:632 198:3896 199:3261 200:4027 201:57 202:5319
203:6094 204:3714 205:2025 206:2367 207:2694 208:2064
209:3187 210:1622 211:820 212:1172 213:1262 214:242
215:31 216:3667 217:1117 218:192 219:109 220:370
221:111 222:77
End of report
