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[bgp-stats] Routing Table Report - Japan view
* BGP Statistics focusing on the Asia Pacific Region *
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Routing Table Report 04:00 +10GMT Wed 06 Nov, 2002
Analysis Summary
----------------
BGP routing table entries examined: 117390
Prefixes after maximum aggregation: 75025
Unique aggregates announced to Internet: 56089
Total ASes present in the Internet Routing Table: 14031
Origin-only ASes present in the Internet Routing Table: 12160
Origin ASes announcing only one prefix: 5487
Transit ASes present in the Internet Routing Table: 1871
Transit-only ASes present in the Internet Routing Table: 62
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 23
Illegal AS announcements present in the Routing Table: 7
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 36
Number of addresses announced to Internet: 1183192168
Equivalent to 70 /8s, 134 /16s and 20 /24s
Percentage of available address space announced: 31.9
Percentage of allocated address space announced: 58.5
Percentage of available address space allocated: 54.6
Total number of prefixes smaller than registry allocations: 49464
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 19771
Total APNIC prefixes after maximum aggregation: 11454
Prefixes being announced from the APNIC address blocks: 18260
Unique aggregates announced from the APNIC address blocks: 11167
APNIC Region origin ASes present in the Internet Routing Table: 1638
APNIC Region origin ASes announcing only one prefix: 525
APNIC Region transit ASes present in the Internet Routing Table: 282
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 12
Number of APNIC addresses announced to Internet: 100229056
Equivalent to 5 /8s, 249 /16s and 95 /24s
Percentage of available APNIC address space announced: 65.9
APNIC AS Blocks 4608 - 4864, 7467 - 7722, 9216 - 10239
17408 - 18431, 23552 - 24575
APNIC Address Blocks 61/8, 202/7, 210/7, 218/7 and 220/7
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 72887
Total ARIN prefixes after maximum aggregation: 46512
Prefixes being announced from the ARIN address blocks: 51212
Unique aggregates announced from the ARIN address blocks: 15526
ARIN Region origin ASes present in the Internet Routing Table: 7878
ARIN Region origin ASes announcing only one prefix: 2627
ARIN Region transit ASes present in the Internet Routing Table: 746
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 182396128
Equivalent to 10 /8s, 223 /16s and 36 /24s
Percentage of available ARIN address space announced: 67.9
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
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 199/8, 204/6, 208/7
and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 19906
Total RIPE prefixes after maximum aggregation: 14984
Prefixes being announced from the RIPE address blocks: 16589
Unique aggregates announced from the RIPE address blocks: 11162
RIPE Region origin ASes present in the Internet Routing Table: 4138
RIPE Region origin ASes announcing only one prefix: 2255
RIPE Region transit ASes present in the Internet Routing Table: 765
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 14
Number of RIPE addresses announced to Internet: 119028672
Equivalent to 7 /8s, 24 /16s and 59 /24s
Percentage of available RIPE address space announced: 78.8
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
RIPE Address Blocks 62/8, 80/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 4820
Total LACNIC prefixes after maximum aggregation: 2075
Prefixes being announced from the LACNIC address blocks: 4182
Unique aggregates announced from the LACNIC address blocks: 2631
LACNIC Region origin ASes present in the Internet Routing Table: 318
LACNIC Region origin ASes announcing only one prefix: 80
LACNIC Region transit ASes present in the Internet Routing Table: 67
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 11666688
Equivalent to 0 /8s, 178 /16s and 5 /24s
Percentage of available LACNIC address space announced: 69.5
LACNIC AS Blocks 26592 - 26623
LACNIC Address Blocks 200/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1221 1185 1169 861 Telstra Pty Ltd
4663 650 57 18 ELIMNET, INC
703 392 365 311 UUNET
2907 352 1768 331 SINET Japan
2764 335 356 307 connect.com.au pty ltd
17557 319 23 122 Pakistan Telecom
7474 300 279 199 Optus Communications Pty Ltd
4134 296 2287 98 Data Communications Bureau
4755 279 138 74 Videsh Sanchar Nigam Ltd. Aut
4766 250 1808 158 Korea Internet Exchange for "
4814 233 79 15 China Telecom (Group)
17676 227 3554 29 XTAGE CORPORATION
9443 184 57 72 Primus Telecommunications
9583 164 32 6 Satyam Infoway Ltd.,
4515 138 102 76 Star Internet Services Ltd.
9768 135 385 74 Korea Telecom
4716 129 722 123 TTnet
7657 129 24 90 The Internet Group Limited
9800 122 188 24 CHINA UNICOM
4739 118 56 109 Commerical Internet eXchange
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
701 1766 9155 1252 UUNET Technologies, Inc.
7018 1334 7177 935 AT&T
3908 1085 1668 509 Supernet, Inc.
1239 897 3171 666 Sprint
7843 781 374 314 Adelphia Corp.
852 692 1147 466 Telus Advanced Communications
1 663 8122 440 GENUITY
209 635 2064 335 Qwest
7046 587 876 294 UUNET Technologies, Inc.
4323 516 439 164 Time Warner Communications, I
690 513 75 322 Merit Network
705 441 134 201 UUNET Technologies, Inc.
19029 441 127 30 New Edge Networks
6197 439 233 200 BellSouth Network Solutions,
3549 408 728 292 Global Crossing
2548 402 1115 242 Business Internet, Inc.
6198 400 174 197 BellSouth Network Solutions,
3561 397 2269 343 Cable & Wireless USA
4355 396 311 116 EarthLink, Inc.
2914 370 2030 363 Verio, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 826 2366 693 UUNET - Commercial IP service
3301 378 1164 335 TeliaNet Sweden
3215 312 805 174 France Telecom Transpac
3320 244 1964 221 Deutsche Telekom AG
680 238 2151 234 DFN-IP service G-WiN
5515 210 783 175 Sonera Solution Autonomous Sy
1257 209 415 204 SWIPnet Swedish IP Network
5400 193 84 111 BT Ignite European Backbone
719 191 306 130 LANLINK autonomous system
786 176 1873 176 The JANET IP Service
2856 174 1304 134 BTnet UK Regional network
8708 162 41 148 Romania Data Systems S.A.
3303 143 517 142 Swisscom Ltd
20858 135 9 32 This AS will be used to conne
12302 123 18 30 MobiFon S.A.
3246 119 373 115 Song Networks
8220 112 169 104 COLT Internet - International
3269 110 752 63 TELECOM ITALIA
3233 106 10 8 RNC - Romanian Natioanal R&D
2874 99 85 39 Global One Services AB
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 253 114 58 ImpSat USA, Inc.
8151 213 346 112 UniNet S.A. de C.V.
7303 183 28 50 Telecom Argentina Stet-France
11172 168 88 34 Servicios Alestra S.A de C.V
6503 151 175 108 AVANTEL, S.A.
13999 127 36 8 Mega Cable S.A. de C.V.
16814 106 7 12 NSS, S.A.
10620 99 6 30 TVCABLE BOGOTA
11992 80 8 32 Integrated Systems
11340 78 2 29 Red Universitaria Nacional
15311 76 26 32 Telefonica Empresas
1916 73 409 40 Fundacao de Amparo a Pesquisa
4270 71 18 10 Red de Interconexion Universi
7984 64 27 41 Global One Colombia
4926 63 4 51 Telintar S.A.
8065 61 6 16 Empresas Publicas de Medellin
15034 60 5 34 TIBA SA
2277 58 16 3 ECUANET - CORPORACION ECUATOR
7927 55 5 39 Global One Venezuela
6535 54 4 15 Chilesat Servicios Empresari
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4663 650 632 ELIMNET, INC
3908 1085 576 Supernet, Inc.
7843 781 467 Adelphia Corp.
19029 441 411 New Edge Networks
7018 1334 399 AT&T
4323 516 352 Time Warner Communications, I
18566 342 338 Covad Communications
1221 1185 324 Telstra Pty Ltd
4151 330 314 USDA
1580 321 308 ANOSCEUR
209 635 300 Qwest
7046 587 293 UUNET Technologies, Inc.
4355 396 280 EarthLink, Inc.
6347 355 279 SAVVIS Communications Corpora
376 348 243 Reseau Interordinateurs Scien
705 441 240 UUNET Technologies, Inc.
6197 439 239 BellSouth Network Solutions,
1239 897 231 Sprint
852 692 226 Telus Advanced Communications
1 663 223 GENUITY
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65025 PRIVATE 81.26.65.0/24 11042 Orion Network System
65010 PRIVATE 168.167.21.0/24 11042 Orion Network System
65501 PRIVATE 200.73.24.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.26.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.27.0/24 18747 IFX Communication Ve
65501 PRIVATE 200.73.28.0/24 18747 IFX Communication Ve
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised Unregistered Addresses
---------------------------------
Network Origin AS Description
39.0.0.0/8 4554 Exchange Point Blocks
132.0.0.0/10 568 DISO-UNRRA
134.137.0.0/16 7170 AT&T Government Markets
135.0.0.0/13 10455 Lucent Technologies
137.0.0.0/13 568 DISO-UNRRA
138.94.0.0/16 1 GENUITY
158.0.0.0/13 568 DISO-UNRRA
164.233.0.0/16 6020 DISA NETWORK SERVICES
164.236.0.0/16 568 DISO-UNRRA
192.31.242.0/24 771 NASA Ames Research Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.76.133.0/24 5669 VIA NET.WORKS Inc
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
192.91.198.0/24 2568 CTS Network Services
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T
192.136.79.0/24 719 LANLINK autonomous system
192.136.86.0/24 719 LANLINK autonomous system
192.136.87.0/24 719 LANLINK autonomous system
192.136.88.0/24 719 LANLINK autonomous system
192.136.136.0/24 7046 UUNET Technologies, Inc.
192.136.136.0/22 568 DISO-UNRRA
192.139.62.0/24 6539 GT Group Telecom Services Cor
192.140.0.0/16 5511 France Telecom
192.153.136.0/21 568 DISO-UNRRA
192.156.0.0/19 568 DISO-UNRRA
192.156.164.0/24 19548 Adelphia Business Solutions
192.172.0.0/19 568 DISO-UNRRA
192.208.29.0/24 3908 Supernet, Inc.
192.208.30.0/23 3908 Supernet, Inc.
192.243.36.0/23 2044 AUSNet, Inc.
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:17 /9:5 /10:8 /11:12 /12:46
/13:90 /14:240 /15:428 /16:7324 /17:1523 /18:2749
/19:7908 /20:7504 /21:5362 /22:8204 /23:9914 /24:64845
/25:306 /26:551 /27:101 /28:82 /29:51 /30:91
/31:0 /32:29
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
3908 636 1085 Supernet, Inc.
4663 610 650 ELIMNET, INC
7843 593 781 Adelphia Corp.
702 497 826 UUNET - Commercial IP service
701 493 1766 UUNET Technologies, Inc.
690 461 513 Merit Network
7018 425 1334 AT&T
19029 407 441 New Edge Networks
18566 337 342 Covad Communications
6197 332 439 BellSouth Network Solutions,
6198 316 400 BellSouth Network Solutions,
209 314 635 Qwest
1580 307 321 ANOSCEUR
1239 281 897 Sprint
7046 273 587 UUNET Technologies, Inc.
3215 236 312 France Telecom Transpac
11492 227 232 Cable One
3301 224 378 TeliaNet Sweden
4355 221 396 EarthLink, Inc.
7066 205 306 Virginia Polytechnic Institut
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:5 12:577 13:10 15:4 17:2 20:5
24:905 25:1 32:47 38:27 40:13 44:1
55:1 57:15 61:371 62:377 63:1927 64:1376
65:1652 66:1205 67:122 68:199 69:16 80:292
81:67 128:129 129:108 130:21 131:64 132:9
133:2 134:143 135:7 136:411 137:108 138:217
139:78 140:155 141:87 142:82 143:46 144:149
145:18 146:252 147:224 148:253 149:77 150:41
151:87 152:289 153:36 154:8 155:103 156:103
157:102 158:80 159:150 160:20 161:74 162:130
163:87 164:81 165:132 166:90 167:305 168:307
169:59 170:235 171:6 192:5422 193:2380 194:1993
195:839 196:439 198:3607 199:3078 200:2535 202:3488
203:4875 204:3293 205:2119 206:2351 207:2465 208:2539
209:2777 210:660 211:333 212:873 213:773 214:11
215:21 216:3040 217:497 218:48 219:7
End of report
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