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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Sun 17 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197845
Prefixes after maximum aggregation: 108009
Unique aggregates announced to Internet: 96036
Total ASes present in the Internet Routing Table: 23143
Origin-only ASes present in the Internet Routing Table: 20168
Origin ASes announcing only one prefix: 9686
Transit ASes present in the Internet Routing Table: 2975
Transit-only ASes present in the Internet Routing Table: 66
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: 1
Unregistered ASNs in the Routing Table: 1
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1588077132
Equivalent to 94 /8s, 168 /16s and 34 /24s
Percentage of available address space announced: 42.8
Percentage of allocated address space announced: 60.8
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 99047
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43371
Total APNIC prefixes after maximum aggregation: 17423
Prefixes being announced from the APNIC address blocks: 40973
Unique aggregates announced from the APNIC address blocks: 18362
APNIC Region origin ASes present in the Internet Routing Table: 2696
APNIC Region origin ASes announcing only one prefix: 755
APNIC Region transit ASes present in the Internet Routing Table: 402
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262318176
Equivalent to 15 /8s, 162 /16s and 168 /24s
Percentage of available APNIC address space announced: 82.0
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, 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: 100139
Total ARIN prefixes after maximum aggregation: 59277
Prefixes being announced from the ARIN address blocks: 73360
Unique aggregates announced from the ARIN address blocks: 27674
ARIN Region origin ASes present in the Internet Routing Table: 10981
ARIN Region origin ASes announcing only one prefix: 4156
ARIN Region transit ASes present in the Internet Routing Table: 1008
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 298341120
Equivalent to 17 /8s, 200 /16s and 83 /24s
Percentage of available ARIN address space announced: 77.3
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: 39954
Total RIPE prefixes after maximum aggregation: 26600
Prefixes being announced from the RIPE address blocks: 36903
Unique aggregates announced from the RIPE address blocks: 24870
RIPE Region origin ASes present in the Internet Routing Table: 8520
RIPE Region origin ASes announcing only one prefix: 4482
RIPE Region transit ASes present in the Internet Routing Table: 1380
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 265804004
Equivalent to 15 /8s, 215 /16s and 216 /24s
Percentage of available RIPE address space announced: 72.0
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: 12049
Total LACNIC prefixes after maximum aggregation: 3790
Prefixes being announced from the LACNIC address blocks: 10092
Unique aggregates announced from the LACNIC address blocks: 6091
LACNIC Region origin ASes present in the Internet Routing Table: 721
LACNIC Region origin ASes announcing only one prefix: 246
LACNIC Region transit ASes present in the Internet Routing Table: 127
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32604928
Equivalent to 1 /8s, 241 /16s and 131 /24s
Percentage of available LACNIC address space announced: 48.6
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: 2331
Total AfriNIC prefixes after maximum aggregation: 919
Prefixes being announced from the AfriNIC address blocks: 1601
Unique aggregates announced from the AfriNIC address blocks: 1015
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4243712
Equivalent to 0 /8s, 64 /16s and 193 /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 1305 8118 239 CHINANET-BACKBONE
4755 987 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 952 109 15 Sify Limited
9498 849 212 71 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 609 1780 467 Telstra Pty Ltd
7545 537 124 72 TPG Internet Pty Ltd
17488 530 33 12 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 453 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 396 741 60 China Telecom (Shanghai)
17974 361 129 12 PT TELEKOMUNIKASI INDONESIA
17557 353 28 168 Pakistan Telecom
2907 337 1734 312 SINET Japan
10139 329 23 6 Meridian Telekoms
4837 323 3555 138 chinanet IDC center beijing n
7474 284 210 221 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1494 6275 964 AT&T WorldNet Services
6197 1027 614 495 BellSouth Network Solutions,
2386 1025 569 775 AT&T Data Communications Serv
4323 1016 776 291 Time Warner Telecom
721 980 21909 306 DLA Systems Automation Center
174 971 6794 904 Cogent Communications
18566 961 272 8 Covad Communications
701 944 6743 772 UUNET Technologies, Inc.
1239 842 2765 593 Sprint
19262 738 2280 189 Verizon Global Networks
20115 738 660 384 Charter Communications
11492 737 90 12 Cable One
22773 703 1744 45 Cox Communications, Inc.
209 689 3630 545 Qwest
7011 666 207 420 Citizens Utilities
852 588 1069 385 Telus Advanced Communications
6478 577 1257 378 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 545 248 69 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
702 546 1944 428 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 278 455 264 COLT Telecommunications
24863 268 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 244 90 223 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 222 134 23 Goldenlines main autonomous s
1257 221 740 168 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 208 1816 95 France Telecom Transpac
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 198 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 177 172 100 AUCS Communications Services
786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 640 1811 226 UniNet S.A. de C.V.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 277 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
7303 187 88 18 Telecom Argentina Stet-France
6503 184 167 84 AVANTEL, S.A.
14117 184 13 7 Telefonica del Sur S.A.
10481 181 72 8 Prima S.A.
21826 141 18 25 INTERCABLE
7910 139 9 19 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 130 81 37 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 112 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 290 803 231 The Internet Solution
8452 173 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 136 298 112 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 68 6 2 Egyptian Universities Network
15706 55 12 4 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
23889 27 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
21280 23 4 4 Swift Global Kenya Ltd.Is an
8524 22 1 5 AUCEGYPT Autonomous System
21491 22 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1305 1066 CHINANET-BACKBONE
18566 961 953 Covad Communications
9583 952 937 Sify Limited
4755 987 919 Videsh Sanchar Nigam Ltd. Aut
9498 849 778 BHARTI BT INTERNET LTD.
4323 1016 725 Time Warner Telecom
11492 737 725 Cable One
721 980 674 DLA Systems Automation Center
22773 703 658 Cox Communications, Inc.
19262 738 549 Verizon Global Networks
6197 1027 532 BellSouth Network Solutions,
5668 537 519 CenturyTel Internet Holdings,
17488 530 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 545 476 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
17676 497 435 Softbank BB Corp.
15270 470 435 PaeTec.net -a division of Pae
18101 453 435 Reliance Infocom Ltd Internet
4766 736 429 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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 /12:104
/13:212 /14:385 /15:757 /16:9001 /17:3459 /18:5667
/19:12252 /20:13834 /21:12168 /22:15418 /23:16665 /24:106561
/25:433 /26:439 /27:190 /28:64 /29:43 /30:87
/31:0 /32:35
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 944 961 Covad Communications
6197 808 1027 BellSouth Network Solutions,
9583 781 952 Sify Limited
7018 780 1494 AT&T WorldNet Services
2386 742 1025 AT&T Data Communications Serv
11492 725 737 Cable One
7011 571 666 Citizens Utilities
19916 559 565 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 505 849 BHARTI BT INTERNET LTD.
15270 439 470 PaeTec.net -a division of Pae
855 424 545 Canadian Research Network
4755 421 987 Videsh Sanchar Nigam Ltd. Aut
5668 420 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 408 842 Sprint
18101 387 453 Reliance Infocom Ltd Internet
7066 371 470 Virginia Polytechnic Institut
22773 370 703 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:47 11:1 12:1634 13:1 15:16
16:3 17:3 18:4 20:41 24:821 25:1
32:60 38:256 40:55 41:14 44:3 47:6
52:4 55:1 56:3 57:25 58:233 59:265
60:179 61:896 62:904 63:1895 64:3073 65:2220
66:3070 67:655 68:653 69:1618 70:389 71:98
72:914 74:78 75:7 80:824 81:693 82:609
83:380 84:392 85:640 86:406 87:454 88:186
89:464 121:32 122:14 123:1 124:371 125:632
128:150 129:228 130:118 131:311 132:37 133:9
134:165 135:50 136:178 137:97 138:225 139:64
140:523 141:134 142:360 143:192 144:241 145:42
146:324 147:136 148:358 149:177 150:114 151:121
152:76 153:118 154:5 155:229 156:159 157:178
158:154 159:174 160:98 161:85 162:218 163:166
164:440 165:226 166:240 167:248 168:486 169:129
170:364 171:11 190:207 192:5741 193:3469 194:2730
195:2079 196:878 198:3891 199:3320 200:4383 201:922
202:6918 203:7122 204:3914 205:2090 206:2428 207:2927
208:2295 209:3481 210:2178 211:830 212:1306 213:1445
214:374 215:40 216:4036 217:1130 218:345 219:258
220:791 221:385 222:238
End of report
Report Website: http://thyme.apnic.net
