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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 16 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195370
Prefixes after maximum aggregation: 107098
Unique aggregates announced to Internet: 95318
Total ASes present in the Internet Routing Table: 22883
Origin-only ASes present in the Internet Routing Table: 19906
Origin ASes announcing only one prefix: 9539
Transit ASes present in the Internet Routing Table: 2977
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 25
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: 1559318988
Equivalent to 92 /8s, 241 /16s and 81 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 60.9
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 97282
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42861
Total APNIC prefixes after maximum aggregation: 17454
Prefixes being announced from the APNIC address blocks: 40556
Unique aggregates announced from the APNIC address blocks: 18760
APNIC Region origin ASes present in the Internet Routing Table: 2671
APNIC Region origin ASes announcing only one prefix: 754
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: 24
Number of APNIC addresses announced to Internet: 245032800
Equivalent to 14 /8s, 154 /16s and 231 /24s
Percentage of available APNIC address space announced: 76.6
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: 98765
Total ARIN prefixes after maximum aggregation: 58747
Prefixes being announced from the ARIN address blocks: 72471
Unique aggregates announced from the ARIN address blocks: 27331
ARIN Region origin ASes present in the Internet Routing Table: 10897
ARIN Region origin ASes announcing only one prefix: 4109
ARIN Region transit ASes present in the Internet Routing Table: 1014
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 295107840
Equivalent to 17 /8s, 150 /16s and 253 /24s
Percentage of available ARIN address space announced: 76.5
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: 39290
Total RIPE prefixes after maximum aggregation: 26224
Prefixes being announced from the RIPE address blocks: 36257
Unique aggregates announced from the RIPE address blocks: 24340
RIPE Region origin ASes present in the Internet Routing Table: 8375
RIPE Region origin ASes announcing only one prefix: 4394
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: 18
Number of RIPE addresses announced to Internet: 261652036
Equivalent to 15 /8s, 152 /16s and 126 /24s
Percentage of available RIPE address space announced: 82.1
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: 12173
Total LACNIC prefixes after maximum aggregation: 3759
Prefixes being announced from the LACNIC address blocks: 10272
Unique aggregates announced from the LACNIC address blocks: 5937
LACNIC Region origin ASes present in the Internet Routing Table: 710
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 132
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31982624
Equivalent to 1 /8s, 232 /16s and 4 /24s
Percentage of available LACNIC address space announced: 47.7
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: 2256
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1558
Unique aggregates announced from the AfriNIC address blocks: 980
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 46
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: 11
Number of AfriNIC addresses announced to Internet: 4203520
Equivalent to 0 /8s, 64 /16s and 36 /24s
Percentage of available AfriNIC address space announced: 12.5
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 1292 7963 236 CHINANET-BACKBONE
4755 966 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 946 109 15 Sify Limited
9498 785 211 70 BHARTI BT INTERNET LTD.
4766 702 4435 303 Korea Telecom (KIX)
1221 608 1779 465 Telstra Pty Ltd
7545 549 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 491 7109 111 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 437 85 22 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
17974 385 129 12 PT TELEKOMUNIKASI INDONESIA
4802 359 84 147 Wantree Development
17557 358 29 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 318 3523 136 chinanet IDC center beijing n
7474 295 211 229 SingTel Optus Pty Ltd
10139 284 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1477 6259 954 AT&T WorldNet Services
6197 1015 635 477 BellSouth Network Solutions,
721 995 21942 310 DLA Systems Automation Center
4323 982 747 278 Time Warner Telecom
701 962 6781 787 UUNET Technologies, Inc.
18566 954 272 8 Covad Communications
2386 944 559 712 AT&T Data Communications Serv
174 935 5769 884 Cogent Communications
1239 842 2779 595 Sprint
19262 727 2218 183 Verizon Global Networks
20115 724 651 378 Charter Communications
11492 723 90 16 Cable One
22773 691 1744 46 Cox Communications, Inc.
209 688 3657 542 Qwest
7011 678 226 433 Citizens Utilities
6198 595 554 236 BellSouth Network Solutions,
852 587 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 559 247 74 Canadian Research Network
5668 541 146 31 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 560 1947 441 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3215 301 1760 97 France Telecom Transpac
3320 295 5013 239 Deutsche Telekom AG
8220 279 471 265 COLT Telecommunications
24863 254 42 11 LINKdotNET AS number
680 247 2041 244 DFN-IP service G-WiN
6746 244 91 222 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.
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 19 84 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 170 171 97 AUCS Communications Services
786 168 1778 168 The JANET IP Service
9121 167 931 30 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 759 1781 242 UniNet S.A. de C.V.
22047 457 206 11 VTR PUNTO NET S.A.
11172 359 112 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 253 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 183 167 84 AVANTEL, S.A.
7303 182 85 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
7910 144 9 25 ANDINET ON LINE
21826 134 17 23 INTERCABLE
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
19429 123 80 40 E.T.B.
14522 117 18 9 SatNet S.A.
7738 114 410 20 Telecomunicacoes da Bahia S.A
23216 113 21 9 RAMtelecom Telecomunicaciones
14259 112 10 15 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 284 803 231 The Internet Solution
8452 169 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 142 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 106 6 2 EEPAD TISP TELECOM & INTERNET
2905 79 159 70 The Internetworking Company o
15706 44 8 3 Sudatel Internet Exchange Aut
5713 38 294 34 Telkom SA Ltd
33774 31 7 21 AS Number for Telecom Algeria
23889 25 8 11 MAURITIUS TELECOM
10798 23 1 14 Standard Bank of South Africa
16637 23 18 21 Johnnic e-Ventures
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
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1292 1056 CHINANET-BACKBONE
18566 954 946 Covad Communications
9583 946 931 Sify Limited
4755 966 898 Videsh Sanchar Nigam Ltd. Aut
9498 785 715 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
4323 982 704 Time Warner Telecom
721 995 685 DLA Systems Automation Center
22773 691 645 Cox Communications, Inc.
19262 727 544 Verizon Global Networks
6197 1015 538 BellSouth Network Solutions,
8151 759 517 UniNet S.A. de C.V.
5668 541 510 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 559 485 Canadian Research Network
7545 549 477 TPG Internet Pty Ltd
22047 457 446 VTR PUNTO NET S.A.
15270 458 425 PaeTec.net -a division of Pae
3602 527 422 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
65350 PRIVATE 124.239.192.0/24 17672 asn for Hebei Provin
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
64615 PRIVATE 203.144.48.0/24 16838 VeriSign Inc
65000 PRIVATE 211.72.199.0/24 3462 Data Communication B
65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin
65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin
65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin
65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin
65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin
65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin
65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin
65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin
65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin
65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
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 /8:17 /9:9 /10:10 /11:28 /12:97
/13:205 /14:376 /15:735 /16:8952 /17:3414 /18:5568
/19:12097 /20:13651 /21:11981 /22:15140 /23:16402 /24:105471
/25:403 /26:388 /27:197 /28:65 /29:39 /30:79
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 937 954 Covad Communications
6197 796 1015 BellSouth Network Solutions,
9583 777 946 Sify Limited
7018 776 1477 AT&T WorldNet Services
11492 711 723 Cable One
2386 662 944 AT&T Data Communications Serv
7011 582 678 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 466 785 BHARTI BT INTERNET LTD.
6198 441 595 BellSouth Network Solutions,
855 433 559 Canadian Research Network
15270 427 458 PaeTec.net -a division of Pae
5668 423 541 CenturyTel Internet Holdings,
4755 402 966 Videsh Sanchar Nigam Ltd. Aut
1239 401 842 Sprint
17849 397 410 Telecommunications Technology
6517 378 412 Yipes Communications, Inc.
18101 372 437 Reliance Infocom Ltd Internet
22773 364 691 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1615 13:1 15:15 16:3
17:3 18:4 20:41 24:809 25:1 32:61
38:242 40:53 41:13 44:3 45:12 47:6
52:4 55:1 56:3 57:26 58:212 59:249
60:189 61:920 62:826 63:1891 64:3046 65:2255
66:3013 67:641 68:674 69:1564 70:392 71:87
72:883 74:71 75:5 80:810 81:673 82:638
83:401 84:394 85:578 86:398 87:454 88:155
89:397 91:1 121:14 122:3 123:1 124:341
125:599 128:152 129:199 130:118 131:312 132:34
133:8 134:164 135:48 136:178 137:85 138:213
139:47 140:518 141:135 142:367 143:189 144:238
145:40 146:317 147:140 148:351 149:189 150:114
151:97 152:70 153:117 154:5 155:215 156:178
157:164 158:167 159:172 160:94 161:83 162:218
163:164 164:237 165:224 166:182 167:242 168:486
169:125 170:351 171:14 190:157 192:5733 193:3450
194:2702 195:2026 196:859 198:3891 199:3304 200:4629
201:1038 202:6781 203:7081 204:3897 205:2017 206:2426
207:2932 208:2224 209:3449 210:2233 211:850 212:1263
213:1449 214:369 215:41 216:4068 217:1154 218:327
219:251 220:745 221:381 222:233
End of report
Report Website: http://thyme.apnic.net
