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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 05 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 196807
Prefixes after maximum aggregation: 107419
Unique aggregates announced to Internet: 95525
Total ASes present in the Internet Routing Table: 23010
Origin-only ASes present in the Internet Routing Table: 20060
Origin ASes announcing only one prefix: 9617
Transit ASes present in the Internet Routing Table: 2950
Transit-only ASes present in the Internet Routing Table: 60
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 3
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1579396396
Equivalent to 94 /8s, 35 /16s and 173 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43172
Total APNIC prefixes after maximum aggregation: 17365
Prefixes being announced from the APNIC address blocks: 40808
Unique aggregates announced from the APNIC address blocks: 18397
APNIC Region origin ASes present in the Internet Routing Table: 2684
APNIC Region origin ASes announcing only one prefix: 763
APNIC Region transit ASes present in the Internet Routing Table: 396
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261960288
Equivalent to 15 /8s, 157 /16s and 50 /24s
Percentage of available APNIC address space announced: 81.9
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: 99408
Total ARIN prefixes after maximum aggregation: 58933
Prefixes being announced from the ARIN address blocks: 73119
Unique aggregates announced from the ARIN address blocks: 27554
ARIN Region origin ASes present in the Internet Routing Table: 10937
ARIN Region origin ASes announcing only one prefix: 4127
ARIN Region transit ASes present in the Internet Routing Table: 1004
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296692480
Equivalent to 17 /8s, 175 /16s and 43 /24s
Percentage of available ARIN address space announced: 76.9
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: 39607
Total RIPE prefixes after maximum aggregation: 26441
Prefixes being announced from the RIPE address blocks: 36526
Unique aggregates announced from the RIPE address blocks: 24624
RIPE Region origin ASes present in the Internet Routing Table: 8449
RIPE Region origin ASes announcing only one prefix: 4440
RIPE Region transit ASes present in the Internet Routing Table: 1369
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 263061956
Equivalent to 15 /8s, 174 /16s and 1 /24s
Percentage of available RIPE address space announced: 71.3
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
40960-41983
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12360
Total LACNIC prefixes after maximum aggregation: 3771
Prefixes being announced from the LACNIC address blocks: 10375
Unique aggregates announced from the LACNIC address blocks: 6006
LACNIC Region origin ASes present in the Internet Routing Table: 720
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 125
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32424448
Equivalent to 1 /8s, 238 /16s and 194 /24s
Percentage of available LACNIC address space announced: 48.3
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: 2257
Total AfriNIC prefixes after maximum aggregation: 909
Prefixes being announced from the AfriNIC address blocks: 1582
Unique aggregates announced from the AfriNIC address blocks: 1002
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4218368
Equivalent to 0 /8s, 64 /16s and 94 /24s
Percentage of available AfriNIC address space announced: 12.6
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 1302 8126 238 CHINANET-BACKBONE
4755 979 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 844 212 72 BHARTI BT INTERNET LTD.
4766 734 4436 307 Korea Telecom (KIX)
1221 615 1779 470 Telstra Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
7545 461 123 67 TPG Internet Pty Ltd
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
17849 426 31 123 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 361 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 29 169 Pakistan Telecom
2907 337 1734 312 SINET Japan
10139 332 23 6 Meridian Telekoms
4837 321 3555 136 chinanet IDC center beijing n
7474 291 210 226 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1486 6275 960 AT&T WorldNet Services
6197 1027 639 477 BellSouth Network Solutions,
4323 992 776 288 Time Warner Telecom
721 984 21909 307 DLA Systems Automation Center
701 963 6780 782 UUNET Technologies, Inc.
2386 963 561 730 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
174 941 5770 883 Cogent Communications
1239 845 2765 598 Sprint
20115 740 661 387 Charter Communications
19262 739 2276 189 Verizon Global Networks
11492 731 90 14 Cable One
22773 698 1744 46 Cox Communications, Inc.
209 684 3641 540 Qwest
7011 668 207 422 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
5668 536 145 18 CenturyTel Internet Holdings,
3602 512 125 104 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 282 471 268 COLT Telecommunications
24863 257 42 15 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 244 90 223 Dynamic Network Technologies,
3246 231 462 221 Song Networks
1257 220 744 167 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 203 1759 97 France Telecom Transpac
8551 202 182 27 Bezeq International
3269 201 2246 72 TELECOM ITALIA
30890 199 18 81 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
5416 180 12 11 BATELCO-BH
3300 171 171 96 AUCS Communications Services
786 170 1778 170 The JANET IP Service
8866 170 37 15 Bulgarian Telecommunication C
3352 166 1655 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 742 1811 227 UniNet S.A. de C.V.
22047 454 206 11 VTR PUNTO NET S.A.
11172 370 98 90 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 277 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 182 85 28 Telecom Argentina Stet-France
6503 181 167 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
7910 144 9 23 ANDINET ON LINE
21826 140 18 26 INTERCABLE
19169 136 9 26 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 131 80 40 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 117 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
14259 112 10 15 GTD Internet S.A.
23216 111 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 231 The Internet Solution
8452 175 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 134 298 111 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 107 6 2 EEPAD TISP TELECOM & INTERNET
2905 79 159 70 The Internetworking Company o
15706 44 8 3 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 31 7 19 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
12455 23 6 3 Jambonet Autonomous system
8524 22 1 5 AUCEGYPT Autonomous System
21280 21 4 4 Swift Global Kenya Ltd.Is an
21491 21 17 2 UTL On-line is RF broadband I
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1302 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 953 938 Sify Limited
4755 979 913 Videsh Sanchar Nigam Ltd. Aut
9498 844 772 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
4323 992 704 Time Warner Telecom
721 984 677 DLA Systems Automation Center
22773 698 652 Cox Communications, Inc.
6197 1027 550 BellSouth Network Solutions,
19262 739 550 Verizon Global Networks
5668 536 518 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
8151 742 515 UniNet S.A. de C.V.
19916 563 509 OLM LLC
855 562 489 Canadian Research Network
22047 454 443 VTR PUNTO NET S.A.
17676 497 435 Softbank BB Corp.
15270 468 433 PaeTec.net -a division of Pae
18101 446 428 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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
192.44.0.0/24 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
192.249.0.0/20 3450 University of Tennessee, Knox
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 /10:13 /11:31 /12:103
/13:209 /14:379 /15:741 /16:8980 /17:3447 /18:5628
/19:12186 /20:13766 /21:12072 /22:15255 /23:16526 /24:106163
/25:422 /26:425 /27:198 /28:65 /29:42 /30:82
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 941 958 Covad Communications
6197 806 1027 BellSouth Network Solutions,
9583 784 953 Sify Limited
7018 779 1486 AT&T WorldNet Services
11492 719 731 Cable One
2386 680 963 AT&T Data Communications Serv
7011 573 668 Citizens Utilities
19916 557 563 OLM LLC
4766 545 734 Korea Telecom (KIX)
9498 503 844 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 436 562 Canadian Research Network
5668 419 536 CenturyTel Internet Holdings,
4755 415 979 Videsh Sanchar Nigam Ltd. Aut
17849 413 426 Telecommunications Technology
1239 406 845 Sprint
6517 381 414 Yipes Communications, Inc.
18101 380 446 Reliance Infocom Ltd Internet
22773 369 698 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:46 11:1 12:1614 13:1 15:16
16:3 17:3 18:4 20:41 24:817 25:1
32:61 38:251 40:55 41:16 44:3 47:6
52:4 55:1 56:3 57:26 58:226 59:262
60:184 61:911 62:891 63:1892 64:3076 65:2227
66:3055 67:644 68:650 69:1601 70:387 71:89
72:892 74:76 75:6 80:773 81:688 82:664
83:392 84:387 85:678 86:359 87:442 88:174
89:431 121:18 122:6 123:1 124:367 125:639
128:152 129:207 130:117 131:313 132:37 133:8
134:163 135:48 136:172 137:86 138:224 139:49
140:519 141:135 142:368 143:192 144:238 145:41
146:324 147:135 148:354 149:177 150:113 151:119
152:75 153:117 154:5 155:221 156:172 157:177
158:165 159:173 160:93 161:85 162:218 163:167
164:249 165:224 166:184 167:244 168:485 169:128
170:360 171:14 190:202 192:5728 193:3407 194:2723
195:2045 196:870 198:3899 199:3316 200:4627 201:1020
202:6805 203:7095 204:3919 205:2049 206:2424 207:2973
208:2277 209:3497 210:2172 211:856 212:1284 213:1438
214:369 215:41 216:4061 217:1127 218:340 219:259
220:792 221:384 222:248
End of report
Report Website: http://thyme.apnic.net
