[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 15 Apr, 2005
Analysis Summary
----------------
BGP routing table entries examined: 159866
Prefixes after maximum aggregation: 93165
Unique aggregates announced to Internet: 76913
Total ASes present in the Internet Routing Table: 19409
Origin-only ASes present in the Internet Routing Table: 16894
Origin ASes announcing only one prefix: 7903
Transit ASes present in the Internet Routing Table: 2515
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 23
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: 1381376832
Equivalent to 82 /8s, 86 /16s and 35 /24s
Percentage of available address space announced: 37.3
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 63.7
Total number of prefixes smaller than registry allocations: 74648
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32615
Total APNIC prefixes after maximum aggregation: 15398
Prefixes being announced from the APNIC address blocks: 30543
Unique aggregates announced from the APNIC address blocks: 15406
APNIC Region origin ASes present in the Internet Routing Table: 2240
APNIC Region origin ASes announcing only one prefix: 656
APNIC Region transit ASes present in the Internet Routing Table: 340
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 181618816
Equivalent to 10 /8s, 211 /16s and 72 /24s
Percentage of available APNIC address space announced: 67.4
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: 86911
Total ARIN prefixes after maximum aggregation: 53103
Prefixes being announced from the ARIN address blocks: 67737
Unique aggregates announced from the ARIN address blocks: 24889
ARIN Region origin ASes present in the Internet Routing Table: 9858
ARIN Region origin ASes announcing only one prefix: 3577
ARIN Region transit ASes present in the Internet Routing Table: 927
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 21
Number of ARIN addresses announced to Internet: 244442880
Equivalent to 14 /8s, 145 /16s and 231 /24s
Percentage of available ARIN address space announced: 69.4
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: 30336
Total RIPE prefixes after maximum aggregation: 20966
Prefixes being announced from the RIPE address blocks: 27373
Unique aggregates announced from the RIPE address blocks: 18261
RIPE Region origin ASes present in the Internet Routing Table: 6536
RIPE Region origin ASes announcing only one prefix: 3451
RIPE Region transit ASes present in the Internet Routing Table: 1088
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 201174208
Equivalent to 11 /8s, 253 /16s and 172 /24s
Percentage of available RIPE address space announced: 70.5
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: 8565
Total LACNIC prefixes after maximum aggregation: 2994
Prefixes being announced from the LACNIC address blocks: 6984
Unique aggregates announced from the LACNIC address blocks: 4044
LACNIC Region origin ASes present in the Internet Routing Table: 611
LACNIC Region origin ASes announcing only one prefix: 194
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: 18099968
Equivalent to 1 /8s, 20 /16s and 47 /24s
Percentage of available LACNIC address space announced: 53.9
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: 1422
Total AfriNIC prefixes after maximum aggregation: 704
Prefixes being announced from the AfriNIC address blocks: 927
Unique aggregates announced from the AfriNIC address blocks: 736
AfriNIC Region origin ASes present in the Internet Routing Table: 99
AfriNIC Region origin ASes announcing only one prefix: 25
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: 2203392
Equivalent to 0 /8s, 33 /16s and 159 /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 4843 180 CHINANET-BACKBONE
1221 775 1193 552 Telstra Pty Ltd
9583 707 52 46 Sify Limited
4766 586 3415 275 Korea Telecom (KIX)
4755 545 243 112 Videsh Sanchar Nigam Ltd. Aut
7545 469 86 67 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 347 1838 321 SINET Japan
17557 336 24 152 Pakistan Telecom
10036 313 28 284 C&M Communication Co. Ltd.
4808 303 250 165 CNCGROUP IP network: China169
7474 296 268 213 SingTel Optus Pty Ltd
4802 279 47 164 Wantree Development
9498 268 82 52 BHARTI BT INTERNET LTD.
2764 260 238 198 AAPT Limited
703 257 279 211 UUNET - Commercial IP service
9800 238 386 69 CHINA UNICOM
17974 238 63 12 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1476 6530 961 AT&T WorldNet Services
174 1141 5588 972 Cogent Communications
721 1117 21763 314 DLA Systems Automation Center
4323 1093 663 220 Time Warner Telecom
701 1012 8282 860 UUNET Technologies, Inc.
1239 916 2877 663 Sprint
6197 890 384 417 BellSouth Network Solutions,
2386 841 532 622 AT&T Data Communications Serv
18566 789 224 7 Covad Communications
209 644 3475 498 Qwest
20115 604 499 313 Charter Communications
3356 586 10852 436 Level 3 Communications, LLC
3561 543 2369 417 Savvis
852 538 1095 397 Telus Advanced Communications
27364 517 43 18 Armstrong Cable Services
3602 503 121 92 Sprint Canada, Inc.
5668 489 115 25 CenturyTel Internet Holdings,
22773 477 1188 21 Cox Communications, Inc.
6198 458 380 215 BellSouth Network Solutions,
6467 440 143 35 E.Spire Communications, Inc.
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 231 475 226 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 165 21 12 Bulgarian Telecommunication C
6746 161 47 141 Dynamic Network Technologies,
719 159 340 101 LANLINK autonomous system
3300 150 184 84 AUCS Communications Services
5400 144 281 127 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 352 533 146 UniNet S.A. de C.V.
16814 265 16 7 NSS, S.A.
11172 219 99 54 Servicios Alestra S.A de C.V
6147 205 102 20 Telefonica Del Peru
19632 190 14 7 Metropolis Intercom S.A.
7303 156 68 25 Telecom Argentina Stet-France
11664 153 19 23 Keytech SA
6505 131 90 88 Global One Communicaoes Ltda
22047 122 96 6 VTR PUNTO NET S.A.
14117 119 8 4 Telefonica del Sur S.A.
6503 105 146 74 AVANTEL, S.A.
18822 104 7 16 TELEFONICA MANQUEHUE
13999 103 52 9 Mega Cable S.A. de C.V.
11556 99 49 5 Cable-Wireless Panama
19169 95 6 16 Telconet
23216 89 24 23 RAMtelecom Telecomunicaciones
11311 85 8 21 Sinectis S.A.
5639 84 12 9 Telecommunications Services o
10481 82 32 7 Prima S.A.
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 118 15 17 Internet Egypt Network
2018 90 295 87 Tertiary Education Network
20928 90 16 2 Noor Advanced Technologies AS
2905 74 266 68 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 24 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 17 3 4 LIA Internet Access
12258 17 3 11 Vodacom Internet Company
21280 17 2 3 Swift Global Kenya Ltd.Is an
15808 16 1 1 Communication Solutions Ltd i
21491 16 1 3 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
0 0 65531 *
4323 1093 873 Time Warner Telecom
721 1117 803 DLA Systems Automation Center
18566 789 782 Covad Communications
4134 901 721 CHINANET-BACKBONE
9583 707 661 Sify Limited
27364 517 499 Armstrong Cable Services
6197 890 473 BellSouth Network Solutions,
5668 489 464 CenturyTel Internet Holdings,
22773 477 456 Cox Communications, Inc.
4755 545 433 Videsh Sanchar Nigam Ltd. Aut
3602 503 411 Sprint Canada, Inc.
6467 440 405 E.Spire Communications, Inc.
7545 469 402 TPG Internet Pty Ltd
17676 430 358 Softbank BB Corp.
6140 400 328 ImpSat
9929 358 313 China Netcom Corp.
4766 586 311 Korea Telecom (KIX)
9443 369 294 Primus Telecommunications
20115 604 291 Charter Communications
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 /12:67
/13:152 /14:307 /15:577 /16:8355 /17:2518 /18:4313
/19:10201 /20:10932 /21:8795 /22:12130 /23:13215 /24:87382
/25:281 /26:263 /27:139 /28:67 /29:37 /30:63
/31:0 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 773 789 Covad Communications
6197 731 890 BellSouth Network Solutions,
7018 659 1476 AT&T WorldNet Services
2386 596 841 AT&T Data Communications Serv
9583 526 707 Sify Limited
4323 511 1093 Time Warner Telecom
27364 505 517 Armstrong Cable Services
5668 407 489 CenturyTel Internet Holdings,
4766 402 586 Korea Telecom (KIX)
1239 383 916 Sprint
702 365 598 UUNET - Commercial IP service
6198 336 458 BellSouth Network Solutions,
6467 321 440 E.Spire Communications, Inc.
10036 313 313 C&M Communication Co. Ltd.
6517 292 315 Yipes Communications, Inc.
9929 282 358 China Netcom Corp.
7011 280 329 Citizens Utilities
11456 271 318 Carolina Online, Inc.
15270 253 273 PaeTec.net -a division of Pae
174 249 1141 Cogent Communications
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:11 12:1521 13:1 15:9 16:2
17:3 18:4 20:4 24:814 32:64 33:4
38:106 40:53 44:3 47:2 52:4 55:2
56:3 57:24 58:41 59:23 60:19 61:740
62:580 63:1890 64:2667 65:2082 66:2769 67:532
68:515 69:970 70:87 71:6 72:134 80:543
81:531 82:379 83:232 84:148 85:161 128:140
129:157 130:88 131:281 132:35 133:1 134:149
135:41 136:191 137:66 138:172 139:56 140:190
141:106 142:138 143:130 144:173 145:32 146:280
147:103 148:290 149:169 150:98 151:63 152:107
153:87 154:4 155:143 156:69 157:89 158:168
159:172 160:73 161:60 162:200 163:86 164:205
165:174 166:155 167:232 168:415 169:139 170:311
171:8 172:2 192:5680 193:3148 194:2328 195:1552
196:642 198:3938 199:3276 200:4003 201:114 202:5463
203:6143 204:3821 205:2023 206:2443 207:2734 208:2082
209:3285 210:1691 211:837 212:1179 213:1269 214:273
215:31 216:3595 217:1161 218:187 219:103 220:373
221:190 222:83
End of report
