[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 Sun 06 Nov, 2005
Analysis Summary
----------------
BGP routing table entries examined: 174199
Prefixes after maximum aggregation: 98498
Unique aggregates announced to Internet: 84079
Total ASes present in the Internet Routing Table: 20825
Origin-only ASes present in the Internet Routing Table: 18114
Origin ASes announcing only one prefix: 8587
Transit ASes present in the Internet Routing Table: 2711
Transit-only ASes present in the Internet Routing Table: 75
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: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 12
Number of addresses announced to Internet: 1455946400
Equivalent to 86 /8s, 199 /16s and 250 /24s
Percentage of available address space announced: 39.3
Percentage of allocated address space announced: 59.1
Percentage of available address space allocated: 66.4
Total number of prefixes smaller than registry allocations: 83742
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 36313
Total APNIC prefixes after maximum aggregation: 15813
Prefixes being announced from the APNIC address blocks: 34094
Unique aggregates announced from the APNIC address blocks: 16835
APNIC Region origin ASes present in the Internet Routing Table: 2385
APNIC Region origin ASes announcing only one prefix: 692
APNIC Region transit ASes present in the Internet Routing Table: 364
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 204748992
Equivalent to 12 /8s, 52 /16s and 56 /24s
Percentage of available APNIC address space announced: 76.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911
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: 92743
Total ARIN prefixes after maximum aggregation: 55721
Prefixes being announced from the ARIN address blocks: 72252
Unique aggregates announced from the ARIN address blocks: 27252
ARIN Region origin ASes present in the Internet Routing Table: 10318
ARIN Region origin ASes announcing only one prefix: 3828
ARIN Region transit ASes present in the Internet Routing Table: 961
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 17
Number of ARIN addresses announced to Internet: 274019584
Equivalent to 16 /8s, 85 /16s and 53 /24s
Percentage of available ARIN address space announced: 68.1
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, 74/7, 76/8,
198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 33837
Total RIPE prefixes after maximum aggregation: 22899
Prefixes being announced from the RIPE address blocks: 30842
Unique aggregates announced from the RIPE address blocks: 20640
RIPE Region origin ASes present in the Internet Routing Table: 7264
RIPE Region origin ASes announcing only one prefix: 3817
RIPE Region transit ASes present in the Internet Routing Table: 1205
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 222459648
Equivalent to 13 /8s, 66 /16s and 119 /24s
Percentage of available RIPE address space announced: 66.3
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, 38912-39935
RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 9490
Total LACNIC prefixes after maximum aggregation: 3241
Prefixes being announced from the LACNIC address blocks: 7830
Unique aggregates announced from the LACNIC address blocks: 4554
LACNIC Region origin ASes present in the Internet Routing Table: 642
LACNIC Region origin ASes announcing only one prefix: 207
LACNIC Region transit ASes present in the Internet Routing Table: 120
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 22159616
Equivalent to 1 /8s, 82 /16s and 33 /24s
Percentage of available LACNIC address space announced: 33.0
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers
LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 1808
Total AfriNIC prefixes after maximum aggregation: 824
Prefixes being announced from the AfriNIC address blocks: 1128
Unique aggregates announced from the AfriNIC address blocks: 829
AfriNIC Region origin ASes present in the Internet Routing Table: 142
AfriNIC Region origin ASes announcing only one prefix: 43
AfriNIC Region transit ASes present in the Internet Routing Table: 19
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2849536
Equivalent to 0 /8s, 43 /16s and 123 /24s
Percentage of available AfriNIC address space announced: 8.5
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 1009 6327 214 CHINANET-BACKBONE
9583 818 77 12 Sify Limited
4755 746 259 67 Videsh Sanchar Nigam Ltd. Aut
1221 745 1342 514 Telstra Pty Ltd
4766 619 3927 287 Korea Telecom (KIX)
7545 509 108 70 TPG Internet Pty Ltd
17676 470 6819 100 Softbank BB Corp.
9443 392 87 78 Primus Telecommunications
9498 391 211 59 BHARTI BT INTERNET LTD.
17488 366 22 10 Hathway IP Over Cable Interne
2907 339 1763 316 SINET Japan
4802 335 73 153 Wantree Development
7474 332 258 228 SingTel Optus Pty Ltd
17557 332 24 162 Pakistan Telecom
9929 326 216 46 China Netcom Corp.
18302 298 109 168 SK Global co., Ltd
9837 273 78 174 Powertel Ltd
17974 271 65 16 PT TELEKOMUNIKASI INDONESIA
18101 267 68 19 Reliance Infocom Ltd Internet
703 253 258 209 UUNET - Commercial IP service
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1473 6324 968 AT&T WorldNet Services
4323 1194 706 233 Time Warner Telecom
721 1072 21938 308 DLA Systems Automation Center
174 1041 5846 981 Cogent Communications
701 1006 8154 846 UUNET Technologies, Inc.
6197 960 407 496 BellSouth Network Solutions,
2386 925 545 689 AT&T Data Communications Serv
18566 872 240 7 Covad Communications
1239 847 2849 595 Sprint
209 650 3602 514 Qwest
20115 640 519 336 Charter Communications
11492 592 81 10 Cable One
852 573 1093 381 Telus Advanced Communications
3602 568 131 109 Sprint Canada, Inc.
19916 563 49 54 OLM LLC
855 562 247 65 Canadian Research Network
22773 549 1356 28 Cox Communications, Inc.
19262 528 1541 130 Verizon Global Networks
3356 523 10638 403 Level 3 Communications, LLC
6478 492 1299 275 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 611 1961 479 UUNET - Commercial IP service
3301 305 1085 291 TeliaNet Sweden
3320 286 3231 241 Deutsche Telekom AG
8220 270 475 265 COLT Telecommunications
680 244 2040 239 DFN-IP service G-WiN
8708 238 274 223 Romania Data Systems S.A.
3246 228 475 221 Song Networks
6746 200 51 171 Dynamic Network Technologies,
1257 190 712 168 SWIPnet Swedish IP Network
5515 182 840 128 Sonera Solution Autonomous Sy
3269 180 1765 68 TELECOM ITALIA
786 174 1795 174 The JANET IP Service
5400 165 316 135 BT Ignite European Backbone
6830 161 669 33 UPC Distribution Services
3300 159 170 91 AUCS Communications Services
8866 156 37 9 Bulgarian Telecommunication C
25186 148 211 104 France Telecom Transpac's Tra
3215 144 1237 78 France Telecom Transpac
24863 143 37 6 LINKdotNET AS number
3352 139 1416 33 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 384 642 163 UniNet S.A. de C.V.
16814 296 18 7 NSS, S.A.
11172 279 88 68 Servicios Alestra S.A de C.V
11664 197 22 28 Keytech SA
19632 196 14 5 Metropolis Intercom S.A.
14117 184 11 6 Telefonica del Sur S.A.
22047 170 128 7 VTR PUNTO NET S.A.
6147 161 118 21 Telefonica Del Peru
7303 144 68 16 Telecom Argentina Stet-France
11556 130 64 3 Cable-Wireless Panama
13999 126 52 9 Mega Cable S.A. de C.V.
6505 121 89 85 Global One Communicaoes Ltda
10481 121 48 8 Prima S.A.
18822 112 7 13 TELEFONICA MANQUEHUE
5639 111 12 9 Telecommunications Services o
21826 111 14 19 INTERCABLE
6503 108 147 75 AVANTEL, S.A.
19169 107 7 34 Telconet
11311 99 8 10 Sinectis S.A.
23216 90 23 11 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 270 708 228 The Internet Solution
8452 136 44 7 TEDATA
5536 123 8 12 Internet Egypt Network
2018 93 295 85 Tertiary Education Network
15475 82 84 4 Nile Online
2905 78 211 71 The Internetworking Company o
6713 71 71 10 Itissalat Al-MAGHRIB
20928 61 16 2 Noor Advanced Technologies AS
24835 58 34 6 RAYA Telecom - Egypt
5713 37 149 33 Telkom SA Ltd
12455 35 6 3 Jambonet Autonomous system
15706 31 8 3 Sudatel Internet Exchange Aut
33774 31 3 22 AS Number for Telecom Algeria
16637 24 10 21 Johnnic e-Ventures
8524 23 1 4 AUCEGYPT Autonomous System
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
23889 20 5 9 MAURITIUS TELECOM
12258 17 3 11 Vodacom Internet Company
15804 17 2 1 AS of The Way Out Internet So
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1194 961 Time Warner Telecom
18566 872 865 Covad Communications
9583 818 806 Sify Limited
4134 1009 795 CHINANET-BACKBONE
721 1072 764 DLA Systems Automation Center
4755 746 679 Videsh Sanchar Nigam Ltd. Aut
11492 592 582 Cable One
22773 549 521 Cox Communications, Inc.
19916 563 509 OLM LLC
855 562 497 Canadian Research Network
6197 960 464 BellSouth Network Solutions,
3602 568 459 Sprint Canada, Inc.
5668 472 446 CenturyTel Internet Holdings,
7545 509 439 TPG Internet Pty Ltd
19262 528 398 Verizon Global Networks
17676 470 370 Softbank BB Corp.
17488 366 356 Hathway IP Over Cable Interne
6467 397 349 E.Spire Communications, Inc.
812 368 343 Rogers WAVE
4766 619 332 Korea Telecom (KIX)
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT
65108 PRIVATE 193.202.224.0/20 4589 Easynet Group
24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp.
18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate
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 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
192.72.0.0/18 4780 Digital United Inc.
192.72.0.0/16 4780 Digital United Inc.
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.172.0.0/19 721 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 /8:18 /9:5 /10:8 /11:17 /12:80
/13:184 /14:338 /15:657 /16:8603 /17:2859 /18:4830
/19:10964 /20:12038 /21:10108 /22:13361 /23:14504 /24:94718
/25:328 /26:280 /27:186 /28:32 /29:11 /30:38
/31:3 /32:29
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 856 872 Covad Communications
6197 782 960 BellSouth Network Solutions,
7018 722 1473 AT&T WorldNet Services
9583 641 818 Sify Limited
2386 640 925 AT&T Data Communications Serv
11492 584 592 Cable One
4323 571 1194 Time Warner Telecom
19916 557 563 OLM LLC
855 434 562 Canadian Research Network
4766 425 619 Korea Telecom (KIX)
7011 397 457 Citizens Utilities
702 390 611 UUNET - Commercial IP service
5668 374 472 CenturyTel Internet Holdings,
1239 362 847 Sprint
6198 352 480 BellSouth Network Solutions,
6517 323 349 Yipes Communications, Inc.
15270 314 341 PaeTec.net -a division of Pae
13609 292 333 Choice One Communications Inc
701 283 1006 UUNET Technologies, Inc.
18302 283 298 SK Global co., Ltd
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:3 8:30 12:1615 13:1 15:11 16:3
17:3 18:3 20:41 24:675 30:2 32:68
38:168 40:54 44:3 47:3 52:4 55:1
56:3 57:35 58:100 59:92 60:147 61:783
62:792 63:1900 64:2966 65:2127 66:2935 67:664
68:657 69:1323 70:221 71:36 72:441 80:656
81:596 82:493 83:310 84:333 85:366 86:175
87:86 125:30 128:153 129:168 130:95 131:308
132:36 133:1 134:147 135:40 136:168 137:70
138:169 139:70 140:433 141:142 142:401 143:143
144:220 145:34 146:298 147:129 148:268 149:197
150:109 151:70 152:111 153:94 154:5 155:144
156:79 157:115 158:149 159:178 160:87 161:75
162:236 163:146 164:190 165:185 166:155 167:250
168:456 169:144 170:310 171:12 190:1 192:5725
193:3348 194:2430 195:1594 196:703 198:3914 199:3250
200:4150 201:383 202:6212 203:6541 204:3816 205:2047
206:2446 207:2890 208:2021 209:3479 210:1749 211:843
212:1216 213:1345 214:311 215:41 216:3878 217:1159
218:215 219:128 220:510 221:300 222:128
End of report
