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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 08 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197083
Prefixes after maximum aggregation: 107627
Unique aggregates announced to Internet: 95795
Total ASes present in the Internet Routing Table: 23063
Origin-only ASes present in the Internet Routing Table: 20096
Origin ASes announcing only one prefix: 9645
Transit ASes present in the Internet Routing Table: 2967
Transit-only ASes present in the Internet Routing Table: 65
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: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1580332364
Equivalent to 94 /8s, 49 /16s and 245 /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: 98212
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43255
Total APNIC prefixes after maximum aggregation: 17400
Prefixes being announced from the APNIC address blocks: 40905
Unique aggregates announced from the APNIC address blocks: 18440
APNIC Region origin ASes present in the Internet Routing Table: 2693
APNIC Region origin ASes announcing only one prefix: 763
APNIC Region transit ASes present in the Internet Routing Table: 403
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262050400
Equivalent to 15 /8s, 158 /16s and 146 /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: 99601
Total ARIN prefixes after maximum aggregation: 59001
Prefixes being announced from the ARIN address blocks: 73214
Unique aggregates announced from the ARIN address blocks: 27622
ARIN Region origin ASes present in the Internet Routing Table: 10948
ARIN Region origin ASes announcing only one prefix: 4137
ARIN Region transit ASes present in the Internet Routing Table: 1009
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296897536
Equivalent to 17 /8s, 178 /16s and 76 /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: 39650
Total RIPE prefixes after maximum aggregation: 26499
Prefixes being announced from the RIPE address blocks: 36557
Unique aggregates announced from the RIPE address blocks: 24695
RIPE Region origin ASes present in the Internet Routing Table: 8477
RIPE Region origin ASes announcing only one prefix: 4456
RIPE Region transit ASes present in the Internet Routing Table: 1372
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 263574756
Equivalent to 15 /8s, 181 /16s and 212 /24s
Percentage of available RIPE address space announced: 71.4
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: 12310
Total LACNIC prefixes after maximum aggregation: 3816
Prefixes being announced from the LACNIC address blocks: 10340
Unique aggregates announced from the LACNIC address blocks: 6058
LACNIC Region origin ASes present in the Internet Routing Table: 720
LACNIC Region origin ASes announcing only one prefix: 242
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: 26
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: 2265
Total AfriNIC prefixes after maximum aggregation: 911
Prefixes being announced from the AfriNIC address blocks: 1592
Unique aggregates announced from the AfriNIC address blocks: 1013
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: 25
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4243456
Equivalent to 0 /8s, 64 /16s and 192 /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 980 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 953 109 15 Sify Limited
9498 846 212 72 BHARTI BT INTERNET LTD.
4766 730 4435 303 Korea Telecom (KIX)
1221 615 1780 468 Telstra Pty Ltd
7545 537 124 72 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 446 85 18 Reliance Infocom Ltd Internet
4812 428 1027 67 China Telecom (Shanghai)
17849 426 31 123 Telecommunications Technology
4802 409 84 149 Wantree Development
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 354 28 172 Pakistan Telecom
2907 337 1734 312 SINET Japan
4837 322 3555 137 chinanet IDC center beijing n
10139 319 23 6 Meridian Telekoms
7474 289 210 224 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1482 6275 956 AT&T WorldNet Services
6197 1028 639 478 BellSouth Network Solutions,
4323 998 776 289 Time Warner Telecom
721 977 21909 305 DLA Systems Automation Center
2386 963 561 731 AT&T Data Communications Serv
18566 959 272 8 Covad Communications
701 947 6774 775 UUNET Technologies, Inc.
174 940 5770 882 Cogent Communications
1239 845 2765 597 Sprint
19262 740 2280 190 Verizon Global Networks
20115 740 661 385 Charter Communications
11492 731 90 14 Cable One
22773 699 1744 46 Cox Communications, Inc.
209 691 3645 547 Qwest
7011 668 207 422 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 553 248 73 Canadian Research Network
5668 537 145 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 1942 433 UUNET - Commercial IP service
3301 314 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 281 471 267 COLT Telecommunications
24863 259 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 243 90 222 Dynamic Network Technologies,
3246 231 462 221 Song Networks
1257 219 740 166 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 98 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 184 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 171 171 96 AUCS Communications Services
786 170 1778 170 The JANET IP Service
3352 167 1671 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 666 1811 225 UniNet S.A. de C.V.
22047 454 206 11 VTR PUNTO NET S.A.
11172 371 98 88 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 277 142 23 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 184 86 28 Telecom Argentina Stet-France
6503 182 167 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
7910 141 9 22 ANDINET ON LINE
21826 140 18 26 INTERCABLE
19169 133 8 33 Telconet
11556 132 96 4 Cable-Wireless Panama
19429 130 80 39 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 287 803 231 The Internet Solution
8452 175 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 132 298 110 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 52 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
8524 22 1 5 AUCEGYPT Autonomous System
21280 22 4 4 Swift Global Kenya Ltd.Is an
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1302 1064 CHINANET-BACKBONE
18566 959 951 Covad Communications
9583 953 938 Sify Limited
4755 980 914 Videsh Sanchar Nigam Ltd. Aut
9498 846 774 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
4323 998 709 Time Warner Telecom
721 977 672 DLA Systems Automation Center
22773 699 653 Cox Communications, Inc.
6197 1028 550 BellSouth Network Solutions,
19262 740 550 Verizon Global Networks
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 553 480 Canadian Research Network
7545 537 465 TPG Internet Pty Ltd
22047 454 443 VTR PUNTO NET S.A.
8151 666 441 UniNet S.A. de C.V.
17676 498 436 Softbank BB Corp.
15270 468 433 PaeTec.net -a division of Pae
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
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 /14:380 /15:742 /16:8977 /17:3449 /18:5705
/19:12199 /20:13792 /21:12082 /22:15268 /23:16528 /24:106355
/25:419 /26:420 /27:201 /28:48 /29:36 /30:73
/31:0 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 942 959 Covad Communications
6197 808 1028 BellSouth Network Solutions,
9583 784 953 Sify Limited
7018 776 1482 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 540 730 Korea Telecom (KIX)
9498 504 846 BHARTI BT INTERNET LTD.
15270 437 468 PaeTec.net -a division of Pae
855 427 553 Canadian Research Network
5668 420 537 CenturyTel Internet Holdings,
4755 416 980 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 370 699 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:46 11:1 12:1615 13:1 15:16
16:3 17:3 18:4 20:41 24:821 25:1
32:61 38:252 40:55 41:16 44:3 47:6
52:4 55:1 56:3 57:25 58:227 59:263
60:185 61:910 62:894 63:1882 64:3070 65:2224
66:3059 67:647 68:650 69:1608 70:385 71:89
72:896 74:78 75:7 80:792 81:694 82:668
83:396 84:390 85:626 86:340 87:446 88:172
89:443 121:20 122:5 123:1 124:368 125:634
128:148 129:206 130:118 131:313 132:37 133:8
134:163 135:48 136:178 137:86 138:224 139:49
140:519 141:135 142:359 143:191 144:242 145:41
146:324 147:136 148:358 149:177 150:113 151:119
152:76 153:117 154:5 155:220 156:172 157:177
158:165 159:173 160:93 161:85 162:218 163:167
164:336 165:224 166:183 167:245 168:484 169:128
170:360 171:14 190:203 192:5732 193:3415 194:2725
195:2056 196:871 198:3900 199:3320 200:4660 201:948
202:6839 203:7153 204:3925 205:2052 206:2428 207:2949
208:2292 209:3506 210:2184 211:853 212:1278 213:1447
214:369 215:41 216:4058 217:1121 218:337 219:267
220:797 221:388 222:252
End of report
Report Website: http://thyme.apnic.net
