[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 Thu 25 May, 2006
Analysis Summary
----------------
BGP routing table entries examined: 188683
Prefixes after maximum aggregation: 104226
Unique aggregates announced to Internet: 92528
Total ASes present in the Internet Routing Table: 22271
Origin-only ASes present in the Internet Routing Table: 19374
Origin ASes announcing only one prefix: 9273
Transit ASes present in the Internet Routing Table: 2897
Transit-only ASes present in the Internet Routing Table: 63
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 18
Max AS path prepend of ASN (32609) 16
Prefixes from unregistered ASNs in the Routing Table: 7
Unregistered ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1539614696
Equivalent to 91 /8s, 196 /16s and 167 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 93366
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 39882
Total APNIC prefixes after maximum aggregation: 16698
Prefixes being announced from the APNIC address blocks: 37577
Unique aggregates announced from the APNIC address blocks: 18404
APNIC Region origin ASes present in the Internet Routing Table: 2567
APNIC Region origin ASes announcing only one prefix: 734
APNIC Region transit ASes present in the Internet Routing Table: 391
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 226833248
Equivalent to 13 /8s, 133 /16s and 51 /24s
Percentage of available APNIC address space announced: 70.9
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, 121/8, 122/7, 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: 97464
Total ARIN prefixes after maximum aggregation: 57721
Prefixes being announced from the ARIN address blocks: 71474
Unique aggregates announced from the ARIN address blocks: 26448
ARIN Region origin ASes present in the Internet Routing Table: 10727
ARIN Region origin ASes announcing only one prefix: 4032
ARIN Region transit ASes present in the Internet Routing Table: 993
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 292692992
Equivalent to 17 /8s, 114 /16s and 36 /24s
Percentage of available ARIN address space announced: 75.9
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, 39936-40959
ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 37839
Total RIPE prefixes after maximum aggregation: 25249
Prefixes being announced from the RIPE address blocks: 34857
Unique aggregates announced from the RIPE address blocks: 23479
RIPE Region origin ASes present in the Internet Routing Table: 8069
RIPE Region origin ASes announcing only one prefix: 4231
RIPE Region transit ASes present in the Internet Routing Table: 1323
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 250398340
Equivalent to 14 /8s, 236 /16s and 198 /24s
Percentage of available RIPE address space announced: 78.6
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
40960-41983
RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 11335
Total LACNIC prefixes after maximum aggregation: 3668
Prefixes being announced from the LACNIC address blocks: 9433
Unique aggregates announced from the LACNIC address blocks: 5531
LACNIC Region origin ASes present in the Internet Routing Table: 687
LACNIC Region origin ASes announcing only one prefix: 227
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 16
Number of LACNIC addresses announced to Internet: 27158784
Equivalent to 1 /8s, 158 /16s and 105 /24s
Percentage of available LACNIC address space announced: 40.5
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: 2159
Total AfriNIC prefixes after maximum aggregation: 890
Prefixes being announced from the AfriNIC address blocks: 1490
Unique aggregates announced from the AfriNIC address blocks: 953
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4078848
Equivalent to 0 /8s, 62 /16s and 61 /24s
Percentage of available AfriNIC address space announced: 12.2
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 1170 7096 218 CHINANET-BACKBONE
9583 906 109 16 Sify Limited
4755 851 256 66 Videsh Sanchar Nigam Ltd. Aut
4766 686 4435 304 Korea Telecom (KIX)
1221 609 1668 468 Telstra Pty Ltd
9498 564 211 67 BHARTI BT INTERNET LTD.
7545 532 124 70 TPG Internet Pty Ltd
17488 518 32 9 Hathway IP Over Cable Interne
17676 485 7029 109 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
4802 381 80 174 Wantree Development
17557 364 28 167 Pakistan Telecom
18101 361 85 24 Reliance Infocom Ltd Internet
17849 352 22 114 Telecommunications Technology
17974 344 118 17 PT TELEKOMUNIKASI INDONESIA
2907 336 1749 312 SINET Japan
9929 325 221 57 China Netcom Corp.
7474 299 211 229 SingTel Optus Pty Ltd
9800 273 410 67 CHINA UNICOM
4837 266 2994 112 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1494 6225 962 AT&T WorldNet Services
4323 1295 736 255 Time Warner Telecom
6197 1007 622 473 BellSouth Network Solutions,
721 1000 21977 306 DLA Systems Automation Center
174 956 5787 900 Cogent Communications
19029 949 151 109 New Edge Networks
18566 940 272 8 Covad Communications
701 939 6765 775 UUNET Technologies, Inc.
2386 882 522 678 AT&T Data Communications Serv
1239 846 2805 600 Sprint
19262 705 2106 170 Verizon Global Networks
20115 700 612 377 Charter Communications
209 694 3684 550 Qwest
22773 665 1745 46 Cox Communications, Inc.
7011 635 218 413 Citizens Utilities
11492 621 87 21 Cable One
852 581 1084 382 Telus Advanced Communications
6478 576 1544 341 AT&T Worldnet Services
19916 563 49 54 OLM LLC
855 553 244 64 Canadian Research Network
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 575 1951 453 UUNET - Commercial IP service
3301 308 1072 294 TeliaNet Sweden
3352 308 1644 30 Ibernet, Internet Access Netw
8220 293 472 266 COLT Telecommunications
3320 287 3989 240 Deutsche Telekom AG
680 245 2025 242 DFN-IP service G-WiN
6746 236 89 210 Dynamic Network Technologies,
3246 235 504 225 Song Networks
8708 219 276 202 Romania Data Systems S.A.
24863 213 42 10 LINKdotNET AS number
8551 200 198 24 Bezeq International
3215 199 1664 94 France Telecom Transpac
3269 198 2134 72 TELECOM ITALIA
8764 194 65 32 LIETUVOS-TELEKOMAS Autonomous
1257 190 740 165 SWIPnet Swedish IP Network
30890 190 17 67 SC Kappa Invexim SRL
8866 181 37 16 Bulgarian Telecommunication C
5400 172 348 141 BT Ignite European Backbone
6830 172 781 36 UPC Distribution Services
786 171 1778 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 706 1083 225 UniNet S.A. de C.V.
22047 417 158 11 VTR PUNTO NET S.A.
16814 330 20 8 NSS, S.A.
11172 325 110 86 Servicios Alestra S.A de C.V
6147 262 126 22 Telefonica Del Peru
14117 201 12 6 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
7303 169 79 24 Telecom Argentina Stet-France
6503 135 150 79 AVANTEL, S.A.
11556 132 80 4 Cable-Wireless Panama
21826 132 16 23 INTERCABLE
19169 129 8 21 Telconet
14259 119 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
6505 109 88 79 Global One Communicaoes Ltda
7910 105 7 10 ANDINET ON LINE
19429 105 58 44 E.T.B.
5639 103 12 9 Telecommunications Services o
14522 101 16 9 SatNet S.A.
18822 98 7 9 TELEFONICA MANQUEHUE
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 283 803 233 The Internet Solution
8452 167 60 7 TEDATA
6713 145 135 11 Itissalat Al-MAGHRIB
2018 131 314 105 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 117 50 7 RAYA Telecom - Egypt
33783 105 6 2 EEPAD TISP TELECOM & INTERNET
2905 73 155 66 The Internetworking Company o
20928 58 16 2 Noor Advanced Technologies AS
15475 54 84 4 Nile Online
15706 44 8 3 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 30 7 20 AS Number for Telecom Algeria
12455 27 6 3 Jambonet Autonomous system
23889 26 8 11 MAURITIUS TELECOM
8524 24 1 4 AUCEGYPT Autonomous System
16637 24 14 22 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
33766 21 2 1 Nyala Communications Pty Ltd
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 1295 1040 Time Warner Telecom
4134 1170 952 CHINANET-BACKBONE
18566 940 932 Covad Communications
9583 906 890 Sify Limited
19029 949 840 New Edge Networks
4755 851 785 Videsh Sanchar Nigam Ltd. Aut
721 1000 694 DLA Systems Automation Center
22773 665 619 Cox Communications, Inc.
11492 621 600 Cable One
19262 705 535 Verizon Global Networks
6197 1007 534 BellSouth Network Solutions,
19916 563 509 OLM LLC
17488 518 509 Hathway IP Over Cable Interne
5668 527 504 CenturyTel Internet Holdings,
9498 564 497 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
8151 706 481 UniNet S.A. de C.V.
7545 532 462 TPG Internet Pty Ltd
3602 539 429 Sprint Canada, Inc.
22047 417 406 VTR PUNTO NET S.A.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
39938 UNALLOCATED 64.124.63.0/24 6461 AboveNet Communicati
39938 UNALLOCATED 68.142.125.0/24 6461 AboveNet Communicati
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE
64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE
22774 UNALLOCATED 208.67.53.0/24 12182 InterNAP Network Ser
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
183.206.196.0/24 2188 FR-RENATER-ASTER
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
192.172.0.0/19 721 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 /9:9 /10:9 /11:28 /12:91
/13:200 /14:360 /15:706 /16:8829 /17:3220 /18:5323
/19:11643 /20:13144 /21:11427 /22:14626 /23:15795 /24:102264
/25:367 /26:246 /27:191 /28:64 /29:36 /30:48
/31:0 /32:39
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 923 940 Covad Communications
19029 880 949 New Edge Networks
6197 795 1007 BellSouth Network Solutions,
7018 787 1494 AT&T WorldNet Services
9583 735 906 Sify Limited
4323 637 1295 Time Warner Telecom
11492 612 621 Cable One
2386 608 882 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 544 635 Citizens Utilities
4766 496 686 Korea Telecom (KIX)
855 427 553 Canadian Research Network
5668 410 527 CenturyTel Internet Holdings,
15270 399 430 PaeTec.net -a division of Pae
1239 388 846 Sprint
6517 361 392 Yipes Communications, Inc.
702 356 575 UUNET - Commercial IP service
6198 356 508 BellSouth Network Solutions,
17849 352 352 Telecommunications Technology
22773 350 665 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:41 12:1624 13:1 15:14 16:3
17:3 18:4 20:43 24:734 25:1 30:2
32:58 38:216 40:54 41:3 44:3 47:6
52:4 55:1 56:3 57:25 58:175 59:199
60:179 61:855 62:759 63:1924 64:3186 65:2255
66:3023 67:610 68:667 69:1505 70:362 71:86
72:719 73:23 74:37 80:780 81:639 82:614
83:380 84:389 85:577 86:395 87:338 88:123
89:213 124:282 125:407 128:152 129:190 130:115
131:316 132:33 133:8 134:158 135:47 136:178
137:75 138:208 139:69 140:468 141:130 142:380
143:165 144:224 145:39 146:329 147:136 148:310
149:186 150:114 151:90 152:69 153:107 154:5
155:202 156:100 157:144 158:167 159:173 160:88
161:76 162:247 163:147 164:178 165:206 166:165
167:242 168:490 169:128 170:337 171:14 183:1
190:73 192:5766 193:3369 194:2625 195:1849 196:845
198:3903 199:3217 200:4441 201:943 202:6636 203:6900
204:3809 205:2064 206:2406 207:2889 208:2117 209:3773
210:1955 211:675 212:1241 213:1472 214:355 215:40
216:4132 217:1149 218:279 219:201 220:663 221:357
222:162
End of report
