[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 02 Jun, 2006
Analysis Summary
----------------
BGP routing table entries examined: 189440
Prefixes after maximum aggregation: 104493
Unique aggregates announced to Internet: 92196
Total ASes present in the Internet Routing Table: 22347
Origin-only ASes present in the Internet Routing Table: 19435
Origin ASes announcing only one prefix: 9308
Transit ASes present in the Internet Routing Table: 2912
Transit-only ASes present in the Internet Routing Table: 59
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 20
Max AS path prepend of ASN (34527) 16
Prefixes from unregistered ASNs in the Routing Table: 4
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1541175528
Equivalent to 91 /8s, 220 /16s and 120 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 60.1
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 93831
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 40303
Total APNIC prefixes after maximum aggregation: 16790
Prefixes being announced from the APNIC address blocks: 38048
Unique aggregates announced from the APNIC address blocks: 17757
APNIC Region origin ASes present in the Internet Routing Table: 2583
APNIC Region origin ASes announcing only one prefix: 740
APNIC Region transit ASes present in the Internet Routing Table: 398
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 227624032
Equivalent to 13 /8s, 145 /16s and 68 /24s
Percentage of available APNIC address space announced: 71.2
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: 97637
Total ARIN prefixes after maximum aggregation: 57737
Prefixes being announced from the ARIN address blocks: 71598
Unique aggregates announced from the ARIN address blocks: 26535
ARIN Region origin ASes present in the Internet Routing Table: 10746
ARIN Region origin ASes announcing only one prefix: 4043
ARIN Region transit ASes present in the Internet Routing Table: 988
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 292820480
Equivalent to 17 /8s, 116 /16s and 22 /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: 37930
Total RIPE prefixes after maximum aggregation: 25356
Prefixes being announced from the RIPE address blocks: 34930
Unique aggregates announced from the RIPE address blocks: 23660
RIPE Region origin ASes present in the Internet Routing Table: 8106
RIPE Region origin ASes announcing only one prefix: 4247
RIPE Region transit ASes present in the Internet Routing Table: 1341
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 250975108
Equivalent to 14 /8s, 245 /16s and 147 /24s
Percentage of available RIPE address space announced: 78.7
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: 11389
Total LACNIC prefixes after maximum aggregation: 3702
Prefixes being announced from the LACNIC address blocks: 9493
Unique aggregates announced from the LACNIC address blocks: 5556
LACNIC Region origin ASes present in the Internet Routing Table: 696
LACNIC Region origin ASes announcing only one prefix: 231
LACNIC Region transit ASes present in the Internet Routing Table: 133
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 27212800
Equivalent to 1 /8s, 159 /16s and 60 /24s
Percentage of available LACNIC address space announced: 40.6
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: 2177
Total AfriNIC prefixes after maximum aggregation: 908
Prefixes being announced from the AfriNIC address blocks: 1503
Unique aggregates announced from the AfriNIC address blocks: 959
AfriNIC Region origin ASes present in the Internet Routing Table: 157
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 4108032
Equivalent to 0 /8s, 62 /16s and 175 /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 1202 7124 221 CHINANET-BACKBONE
9583 893 109 16 Sify Limited
4755 862 257 67 Videsh Sanchar Nigam Ltd. Aut
4766 690 4435 304 Korea Telecom (KIX)
1221 612 1668 470 Telstra Pty Ltd
9498 567 211 67 BHARTI BT INTERNET LTD.
7545 533 124 70 TPG Internet Pty Ltd
17488 514 32 9 Hathway IP Over Cable Interne
17676 486 7029 110 Softbank BB Corp.
9443 450 110 81 Primus Telecommunications
18101 411 85 24 Reliance Infocom Ltd Internet
17557 391 30 178 Pakistan Telecom
4802 377 80 172 Wantree Development
17849 352 22 114 Telecommunications Technology
17974 348 119 18 PT TELEKOMUNIKASI INDONESIA
2907 335 1733 312 SINET Japan
9929 325 221 57 China Netcom Corp.
7474 298 211 228 SingTel Optus Pty Ltd
9800 274 410 67 CHINA UNICOM
9837 267 78 160 Powertel Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1489 6215 952 AT&T WorldNet Services
4323 1296 736 253 Time Warner Telecom
6197 1008 622 473 BellSouth Network Solutions,
721 1000 21977 307 DLA Systems Automation Center
174 967 5787 902 Cogent Communications
19029 947 151 109 New Edge Networks
18566 942 272 8 Covad Communications
701 936 6765 775 UUNET Technologies, Inc.
2386 892 523 686 AT&T Data Communications Serv
1239 845 2789 599 Sprint
19262 709 2106 172 Verizon Global Networks
20115 707 613 377 Charter Communications
209 706 3687 550 Qwest
22773 658 1741 40 Cox Communications, Inc.
7011 637 218 415 Citizens Utilities
11492 631 87 21 Cable One
852 580 1084 382 Telus Advanced Communications
6478 570 1543 337 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
3352 309 1644 30 Ibernet, Internet Access Netw
3301 306 1071 293 TeliaNet Sweden
3320 287 3989 240 Deutsche Telekom AG
8220 277 471 265 COLT Telecommunications
680 245 2025 242 DFN-IP service G-WiN
6746 240 90 214 Dynamic Network Technologies,
3246 235 504 225 Song Networks
8708 216 275 201 Romania Data Systems S.A.
24863 212 42 10 LINKdotNET AS number
3215 200 1680 93 France Telecom Transpac
8551 200 198 24 Bezeq International
3269 198 2134 72 TELECOM ITALIA
1257 190 740 166 SWIPnet Swedish IP Network
30890 190 17 71 SC Kappa Invexim SRL
8866 180 37 15 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
3300 168 171 98 AUCS Communications Services
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 706 1082 224 UniNet S.A. de C.V.
22047 418 158 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 172 80 25 Telecom Argentina Stet-France
21826 133 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
6503 129 150 84 AVANTEL, S.A.
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
19429 109 59 44 E.T.B.
7910 105 7 10 ANDINET ON LINE
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 285 803 233 The Internet Solution
8452 164 60 7 TEDATA
6713 147 135 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 104 6 2 EEPAD TISP TELECOM & INTERNET
2905 74 155 66 The Internetworking Company o
20928 58 16 2 Noor Advanced Technologies AS
15475 54 84 4 Nile Online
15706 43 8 7 Sudatel Internet Exchange Aut
5713 39 294 35 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
12455 27 6 3 Jambonet Autonomous system
23889 26 8 11 MAURITIUS TELECOM
16637 24 14 22 Johnnic e-Ventures
10798 22 1 13 Standard Bank of South Africa
21280 21 4 4 Swift Global Kenya Ltd.Is an
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 1296 1043 Time Warner Telecom
4134 1202 981 CHINANET-BACKBONE
18566 942 934 Covad Communications
9583 893 877 Sify Limited
19029 947 838 New Edge Networks
4755 862 795 Videsh Sanchar Nigam Ltd. Aut
721 1000 693 DLA Systems Automation Center
22773 658 618 Cox Communications, Inc.
11492 631 610 Cable One
19262 709 537 Verizon Global Networks
6197 1008 535 BellSouth Network Solutions,
19916 563 509 OLM LLC
5668 530 507 CenturyTel Internet Holdings,
17488 514 505 Hathway IP Over Cable Interne
9498 567 500 BHARTI BT INTERNET LTD.
855 553 489 Canadian Research Network
8151 706 482 UniNet S.A. de C.V.
7545 533 463 TPG Internet Pty Ltd
3602 526 421 Sprint Canada, Inc.
22047 418 407 VTR PUNTO NET S.A.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
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
192.172.0.0/19 721 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 /8:19 /9:9 /10:9 /11:27 /12:91
/13:200 /14:360 /15:704 /16:8822 /17:3234 /18:5363
/19:11686 /20:13199 /21:11484 /22:14673 /23:15821 /24:102676
/25:369 /26:277 /27:188 /28:68 /29:70 /30:50
/31:0 /32:41
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 925 942 Covad Communications
19029 878 947 New Edge Networks
6197 796 1008 BellSouth Network Solutions,
7018 779 1489 AT&T WorldNet Services
9583 722 893 Sify Limited
4323 636 1296 Time Warner Telecom
11492 622 631 Cable One
2386 615 892 AT&T Data Communications Serv
19916 557 563 OLM LLC
7011 546 637 Citizens Utilities
4766 500 690 Korea Telecom (KIX)
855 427 553 Canadian Research Network
5668 413 530 CenturyTel Internet Holdings,
15270 401 432 PaeTec.net -a division of Pae
1239 391 845 Sprint
6517 362 393 Yipes Communications, Inc.
702 358 575 UUNET - Commercial IP service
6198 356 509 BellSouth Network Solutions,
17849 352 352 Telecommunications Technology
8151 349 706 UniNet S.A. de C.V.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:41 11:1 12:1626 13:1 15:14
16:3 17:3 18:4 20:43 24:740 25:1
30:2 32:58 38:225 40:54 41:3 44:3
47:6 52:4 55:1 56:3 57:25 58:180
59:200 60:186 61:865 62:762 63:1913 64:3182
65:2254 66:3033 67:613 68:668 69:1526 70:368
71:80 72:742 74:39 80:776 81:651 82:585
83:399 84:391 85:542 86:386 87:355 88:86
89:236 124:292 125:464 128:156 129:190 130:117
131:316 132:33 133:8 134:159 135:48 136:178
137:77 138:200 139:61 140:469 141:129 142:382
143:165 144:222 145:39 146:328 147:136 148:311
149:188 150:113 151:94 152:69 153:107 154:5
155:202 156:100 157:150 158:167 159:172 160:89
161:76 162:245 163:145 164:178 165:198 166:166
167:245 168:490 169:128 170:338 171:14 183:1
190:75 192:5750 193:3372 194:2634 195:1888 196:851
198:3910 199:3219 200:4438 201:954 202:6665 203:6970
204:3815 205:2060 206:2415 207:2899 208:2128 209:3778
210:1943 211:675 212:1260 213:1456 214:364 215:40
216:4154 217:1173 218:289 219:226 220:712 221:357
222:159
End of report
