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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 02 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 199099
Prefixes after maximum aggregation: 108419
Unique aggregates announced to Internet: 96477
Total ASes present in the Internet Routing Table: 23214
Origin-only ASes present in the Internet Routing Table: 20230
Origin ASes announcing only one prefix: 9699
Transit ASes present in the Internet Routing Table: 2984
Transit-only ASes present in the Internet Routing Table: 76
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: 2
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1593816844
Equivalent to 94 /8s, 255 /16s and 183 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 99790
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43630
Total APNIC prefixes after maximum aggregation: 17477
Prefixes being announced from the APNIC address blocks: 41247
Unique aggregates announced from the APNIC address blocks: 18387
APNIC Region origin ASes present in the Internet Routing Table: 2700
APNIC Region origin ASes announcing only one prefix: 752
APNIC Region transit ASes present in the Internet Routing Table: 409
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 262841440
Equivalent to 15 /8s, 170 /16s and 164 /24s
Percentage of available APNIC address space announced: 82.2
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: 100337
Total ARIN prefixes after maximum aggregation: 59440
Prefixes being announced from the ARIN address blocks: 73706
Unique aggregates announced from the ARIN address blocks: 27837
ARIN Region origin ASes present in the Internet Routing Table: 11000
ARIN Region origin ASes announcing only one prefix: 4174
ARIN Region transit ASes present in the Internet Routing Table: 1013
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 302915840
Equivalent to 18 /8s, 14 /16s and 33 /24s
Percentage of available ARIN address space announced: 78.5
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: 40396
Total RIPE prefixes after maximum aggregation: 26781
Prefixes being announced from the RIPE address blocks: 37342
Unique aggregates announced from the RIPE address blocks: 25010
RIPE Region origin ASes present in the Internet Routing Table: 8548
RIPE Region origin ASes announcing only one prefix: 4478
RIPE Region transit ASes present in the Internet Routing Table: 1377
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 266555812
Equivalent to 15 /8s, 227 /16s and 81 /24s
Percentage of available RIPE address space announced: 72.2
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: 12407
Total LACNIC prefixes after maximum aggregation: 3802
Prefixes being announced from the LACNIC address blocks: 10421
Unique aggregates announced from the LACNIC address blocks: 6163
LACNIC Region origin ASes present in the Internet Routing Table: 727
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32803584
Equivalent to 1 /8s, 244 /16s and 139 /24s
Percentage of available LACNIC address space announced: 48.9
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: 2327
Total AfriNIC prefixes after maximum aggregation: 919
Prefixes being announced from the AfriNIC address blocks: 1622
Unique aggregates announced from the AfriNIC address blocks: 1071
AfriNIC Region origin ASes present in the Internet Routing Table: 163
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 4256256
Equivalent to 0 /8s, 64 /16s and 242 /24s
Percentage of available AfriNIC address space announced: 12.7
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 1242 8174 236 CHINANET-BACKBONE
4755 999 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 958 109 19 Sify Limited
9498 855 212 72 BHARTI BT INTERNET LTD.
4766 741 4436 307 Korea Telecom (KIX)
1221 608 1780 466 Telstra Pty Ltd
7545 539 124 73 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
18101 455 85 18 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
9942 424 77 124 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 411 86 150 Wantree Development
4812 407 741 63 China Telecom (Shanghai)
17557 363 30 177 Pakistan Telecom
17974 363 129 12 PT TELEKOMUNIKASI INDONESIA
2907 337 1734 313 SINET Japan
4837 324 3556 140 chinanet IDC center beijing n
10139 316 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1540 6257 993 AT&T WorldNet Services
2386 1170 594 845 AT&T Data Communications Serv
6197 1026 641 479 BellSouth Network Solutions,
4323 1021 782 290 Time Warner Telecom
174 979 6826 903 Cogent Communications
721 970 21907 303 DLA Systems Automation Center
18566 965 272 8 Covad Communications
701 954 6742 783 UUNET Technologies, Inc.
1239 839 2763 590 Sprint
11492 750 90 13 Cable One
19262 745 2340 186 Verizon Global Networks
20115 743 666 387 Charter Communications
22773 713 1744 46 Cox Communications, Inc.
209 707 3631 555 Qwest
7011 669 208 422 Citizens Utilities
852 589 1070 386 Telus Advanced Communications
6478 588 1269 382 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 552 249 74 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 544 1928 424 UUNET - Commercial IP service
3301 312 1186 296 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 278 455 264 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 252 2041 247 DFN-IP service G-WiN
6746 240 90 219 Dynamic Network Technologies,
3246 229 485 219 Song Networks
1257 221 740 168 SWIPnet Swedish IP Network
8708 219 278 206 Romania Data Systems S.A.
3215 209 1832 96 France Telecom Transpac
3269 203 2261 73 TELECOM ITALIA
30890 201 18 78 SC Kappa Invexim SRL
8551 199 182 29 Bezeq International
9116 199 134 23 Goldenlines main autonomous s
6830 198 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 181 12 11 BATELCO-BH
3300 174 171 97 AUCS Communications Services
786 171 1779 171 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 632 1811 225 UniNet S.A. de C.V.
11172 376 99 88 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 262 140 24 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 229 15 8 Telefonica del Sur S.A.
11830 215 299 20 Instituto Costarricense de El
7303 204 90 27 Telecom Argentina Stet-France
6503 182 168 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 144 18 29 INTERCABLE
23216 144 21 9 RAMtelecom Telecomunicaciones
7910 139 9 14 ANDINET ON LINE
19429 136 83 38 E.T.B.
19169 135 8 24 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 116 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 232 The Internet Solution
8452 173 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 142 84 4 Nile Online
2018 134 297 111 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 80 159 71 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
15706 54 12 4 Sudatel Internet Exchange Aut
12455 38 6 3 Jambonet Autonomous system
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
21280 26 4 4 Swift Global Kenya Ltd.Is an
23889 26 8 11 MAURITIUS TELECOM
16637 24 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
21491 23 17 2 UTL On-line is RF broadband I
8524 22 1 5 AUCEGYPT Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1242 1006 CHINANET-BACKBONE
18566 965 957 Covad Communications
9583 958 939 Sify Limited
4755 999 933 Videsh Sanchar Nigam Ltd. Aut
9498 855 783 BHARTI BT INTERNET LTD.
11492 750 737 Cable One
4323 1021 731 Time Warner Telecom
721 970 667 DLA Systems Automation Center
22773 713 667 Cox Communications, Inc.
19262 745 559 Verizon Global Networks
6197 1026 547 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 537 519 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 552 478 Canadian Research Network
7545 539 466 TPG Internet Pty Ltd
18101 455 437 Reliance Infocom Ltd Internet
17676 499 436 Softbank BB Corp.
4766 741 434 Korea Telecom (KIX)
15270 467 432 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 88.213.181.0/24 28929 Tiziano D'Inca' - AS
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
172.33.1.0/24 7018 AT&T WorldNet Services
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 /12:106
/13:214 /14:384 /15:763 /16:9013 /17:3498 /18:5695
/19:12294 /20:13897 /21:12257 /22:15569 /23:16953 /24:107105
/25:432 /26:415 /27:194 /28:65 /29:41 /30:85
/31:0 /32:48
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 948 965 Covad Communications
2386 885 1170 AT&T Data Communications Serv
7018 809 1540 AT&T WorldNet Services
6197 806 1026 BellSouth Network Solutions,
9583 789 958 Sify Limited
11492 738 750 Cable One
7011 576 669 Citizens Utilities
19916 559 565 OLM LLC
4766 550 741 Korea Telecom (KIX)
9498 512 855 BHARTI BT INTERNET LTD.
15270 436 467 PaeTec.net -a division of Pae
855 432 552 Canadian Research Network
4755 431 999 Videsh Sanchar Nigam Ltd. Aut
5668 419 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 406 839 Sprint
18101 389 455 Reliance Infocom Ltd Internet
22773 373 713 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:52 12:1651 13:1 15:16 16:3
17:3 18:4 20:41 24:828 25:1 32:57
38:256 40:56 41:18 44:3 47:7 52:4
53:1 55:1 56:3 57:24 58:221 59:267
60:183 61:899 62:973 63:1896 64:3108 65:2252
66:3046 67:643 68:658 69:1653 70:393 71:89
72:942 74:81 75:7 80:813 81:695 82:603
83:398 84:404 85:654 86:426 87:465 88:201
89:479 121:53 122:14 123:1 124:374 125:645
128:278 129:229 130:120 131:310 132:34 133:9
134:167 135:51 136:169 137:87 138:220 139:47
140:521 141:134 142:359 143:192 144:236 145:42
146:318 147:137 148:361 149:177 150:115 151:120
152:76 153:121 154:5 155:230 156:159 157:163
158:155 159:173 160:98 161:84 162:217 163:152
164:231 165:217 166:239 167:247 168:487 169:129
170:377 171:11 172:1 190:223 192:5725 193:3482
194:2735 195:2083 196:890 198:3881 199:3317 200:4445
201:993 202:6897 203:7173 204:3925 205:2088 206:2424
207:2947 208:2310 209:3503 210:2177 211:837 212:1351
213:1500 214:378 215:40 216:4052 217:1143 218:341
219:262 220:790 221:388 222:226
End of report
Report Website: http://thyme.apnic.net
