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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 10 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194659
Prefixes after maximum aggregation: 106919
Unique aggregates announced to Internet: 95078
Total ASes present in the Internet Routing Table: 22829
Origin-only ASes present in the Internet Routing Table: 19875
Origin ASes announcing only one prefix: 9500
Transit ASes present in the Internet Routing Table: 2954
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 24
Max AS path prepend of ASN (24076) 20
Prefixes from unregistered ASNs in the Routing Table: 21
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1561857484
Equivalent to 93 /8s, 24 /16s and 13 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 96679
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42620
Total APNIC prefixes after maximum aggregation: 17528
Prefixes being announced from the APNIC address blocks: 40300
Unique aggregates announced from the APNIC address blocks: 18762
APNIC Region origin ASes present in the Internet Routing Table: 2668
APNIC Region origin ASes announcing only one prefix: 751
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: 244651360
Equivalent to 14 /8s, 149 /16s and 21 /24s
Percentage of available APNIC address space announced: 76.5
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: 98507
Total ARIN prefixes after maximum aggregation: 58586
Prefixes being announced from the ARIN address blocks: 72287
Unique aggregates announced from the ARIN address blocks: 27287
ARIN Region origin ASes present in the Internet Routing Table: 10870
ARIN Region origin ASes announcing only one prefix: 4094
ARIN Region transit ASes present in the Internet Routing Table: 1010
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 299068928
Equivalent to 17 /8s, 211 /16s and 110 /24s
Percentage of available ARIN address space announced: 77.5
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: 39096
Total RIPE prefixes after maximum aggregation: 26169
Prefixes being announced from the RIPE address blocks: 36062
Unique aggregates announced from the RIPE address blocks: 24303
RIPE Region origin ASes present in the Internet Routing Table: 8350
RIPE Region origin ASes announcing only one prefix: 4374
RIPE Region transit ASes present in the Internet Routing Table: 1366
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261342788
Equivalent to 15 /8s, 147 /16s and 198 /24s
Percentage of available RIPE address space announced: 82.0
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, 80/5, 88/6, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12172
Total LACNIC prefixes after maximum aggregation: 3726
Prefixes being announced from the LACNIC address blocks: 10245
Unique aggregates announced from the LACNIC address blocks: 5878
LACNIC Region origin ASes present in the Internet Routing Table: 714
LACNIC Region origin ASes announcing only one prefix: 237
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31817984
Equivalent to 1 /8s, 229 /16s and 129 /24s
Percentage of available LACNIC address space announced: 47.4
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: 2243
Total AfriNIC prefixes after maximum aggregation: 910
Prefixes being announced from the AfriNIC address blocks: 1550
Unique aggregates announced from the AfriNIC address blocks: 979
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 44
AfriNIC Region transit ASes present in the Internet Routing Table: 24
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4200704
Equivalent to 0 /8s, 64 /16s and 25 /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 1290 7916 240 CHINANET-BACKBONE
4755 965 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 934 109 15 Sify Limited
9498 777 211 70 BHARTI BT INTERNET LTD.
4766 702 4435 303 Korea Telecom (KIX)
1221 610 1779 467 Telstra Pty Ltd
7545 553 124 72 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 490 7093 110 Softbank BB Corp.
9443 449 111 83 Primus Telecommunications
18101 436 85 22 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
4802 380 82 168 Wantree Development
17974 374 129 12 PT TELEKOMUNIKASI INDONESIA
17557 358 29 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 306 3466 131 chinanet IDC center beijing n
7474 294 211 228 SingTel Optus Pty Ltd
10139 273 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1487 6258 957 AT&T WorldNet Services
6197 1016 635 477 BellSouth Network Solutions,
721 1005 21942 311 DLA Systems Automation Center
4323 969 747 275 Time Warner Telecom
701 962 6772 787 UUNET Technologies, Inc.
18566 953 272 8 Covad Communications
174 936 5769 886 Cogent Communications
2386 928 559 708 AT&T Data Communications Serv
1239 847 2797 597 Sprint
20115 729 651 379 Charter Communications
19262 724 2212 183 Verizon Global Networks
11492 723 90 16 Cable One
209 688 3661 542 Qwest
22773 683 1741 42 Cox Communications, Inc.
7011 671 221 429 Citizens Utilities
6198 597 556 237 BellSouth Network Solutions,
852 581 1068 381 Telus Advanced Communications
855 567 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 538 147 19 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 559 1947 440 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 295 5013 239 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 248 42 11 LINKdotNET AS number
680 246 2041 243 DFN-IP service G-WiN
6746 242 91 220 Dynamic Network Technologies,
3246 230 462 220 Song Networks
8708 215 278 203 Romania Data Systems S.A.
3215 204 1760 97 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 202 19 85 SC Kappa Invexim SRL
1257 195 742 167 SWIPnet Swedish IP Network
8866 181 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
6830 177 813 37 UPC Distribution Services
786 171 1778 171 The JANET IP Service
3300 171 171 98 AUCS Communications Services
9121 168 931 31 TTnet Autonomous System
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 785 1811 227 UniNet S.A. de C.V.
22047 457 206 11 VTR PUNTO NET S.A.
11172 359 113 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 252 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 183 151 83 AVANTEL, S.A.
7303 182 85 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 134 17 23 INTERCABLE
11556 132 80 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
19429 123 80 40 E.T.B.
7910 122 8 22 ANDINET ON LINE
14522 121 18 9 SatNet S.A.
14259 119 10 15 GTD Internet S.A.
23216 113 21 9 RAMtelecom Telecomunicaciones
7738 111 410 20 Telecomunicacoes da Bahia 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 170 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 140 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
33766 21 2 1 Nyala Communications Pty Ltd
21491 20 17 2 UTL On-line is RF broadband I
2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1290 1050 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 934 919 Sify Limited
4755 965 897 Videsh Sanchar Nigam Ltd. Aut
9498 777 707 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
721 1005 694 DLA Systems Automation Center
4323 969 694 Time Warner Telecom
22773 683 641 Cox Communications, Inc.
8151 785 558 UniNet S.A. de C.V.
19262 724 541 Verizon Global Networks
6197 1016 539 BellSouth Network Solutions,
5668 538 519 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
7545 553 481 TPG Internet Pty Ltd
22047 457 446 VTR PUNTO NET S.A.
15270 456 423 PaeTec.net -a division of Pae
3602 525 420 Sprint Canada, Inc.
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 /10:11 /11:28 /12:97
/13:205 /14:375 /15:733 /16:8942 /17:3411 /18:5554
/19:12059 /20:13622 /21:11944 /22:15100 /23:16311 /24:105137
/25:385 /26:298 /27:192 /28:65 /29:39 /30:79
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 936 953 Covad Communications
6197 796 1016 BellSouth Network Solutions,
7018 786 1487 AT&T WorldNet Services
9583 767 934 Sify Limited
11492 711 723 Cable One
2386 646 928 AT&T Data Communications Serv
7011 577 671 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 458 777 BHARTI BT INTERNET LTD.
855 441 567 Canadian Research Network
6198 441 597 BellSouth Network Solutions,
15270 425 456 PaeTec.net -a division of Pae
5668 421 538 CenturyTel Internet Holdings,
1239 403 847 Sprint
4755 400 965 Videsh Sanchar Nigam Ltd. Aut
17849 397 410 Telecommunications Technology
6517 382 415 Yipes Communications, Inc.
18101 371 436 Reliance Infocom Ltd Internet
22773 361 683 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1610 13:1 15:15 16:3
17:3 18:4 20:41 24:814 25:1 32:61
38:240 40:52 41:11 44:3 47:6 52:4
55:1 56:3 57:26 58:210 59:247 60:192
61:913 62:833 63:1881 64:3092 65:2263 66:2984
67:636 68:677 69:1570 70:390 71:88 72:871
74:66 75:5 80:752 81:671 82:642 83:407
84:396 85:576 86:401 87:456 88:143 89:393
91:1 121:13 122:3 123:1 124:348 125:593
128:150 129:188 130:118 131:319 132:34 133:8
134:160 135:48 136:178 137:85 138:213 139:48
140:490 141:136 142:371 143:189 144:240 145:40
146:316 147:140 148:354 149:187 150:100 151:97
152:71 153:117 154:5 155:214 156:179 157:169
158:167 159:172 160:94 161:83 162:216 163:164
164:234 165:222 166:182 167:242 168:486 169:125
170:354 171:14 190:115 192:5731 193:3402 194:2694
195:2017 196:860 198:3906 199:3299 200:4648 201:1038
202:6791 203:7054 204:3906 205:2031 206:2423 207:2923
208:2213 209:3447 210:2199 211:859 212:1251 213:1439
214:366 215:41 216:4028 217:1160 218:323 219:238
220:745 221:371 222:228
End of report
Report Website: http://thyme.apnic.net
