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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 09 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194534
Prefixes after maximum aggregation: 106904
Unique aggregates announced to Internet: 95003
Total ASes present in the Internet Routing Table: 22838
Origin-only ASes present in the Internet Routing Table: 19886
Origin ASes announcing only one prefix: 9508
Transit ASes present in the Internet Routing Table: 2952
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: 30
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: 1562307052
Equivalent to 93 /8s, 30 /16s and 233 /24s
Percentage of available address space announced: 42.2
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 96630
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42540
Total APNIC prefixes after maximum aggregation: 17494
Prefixes being announced from the APNIC address blocks: 40224
Unique aggregates announced from the APNIC address blocks: 18647
APNIC Region origin ASes present in the Internet Routing Table: 2665
APNIC Region origin ASes announcing only one prefix: 750
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: 244510048
Equivalent to 14 /8s, 146 /16s and 237 /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: 98528
Total ARIN prefixes after maximum aggregation: 58620
Prefixes being announced from the ARIN address blocks: 72250
Unique aggregates announced from the ARIN address blocks: 27259
ARIN Region origin ASes present in the Internet Routing Table: 10875
ARIN Region origin ASes announcing only one prefix: 4096
ARIN Region transit ASes present in the Internet Routing Table: 1012
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN addresses announced to Internet: 299015680
Equivalent to 17 /8s, 210 /16s and 158 /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: 39049
Total RIPE prefixes after maximum aggregation: 26143
Prefixes being announced from the RIPE address blocks: 36025
Unique aggregates announced from the RIPE address blocks: 24272
RIPE Region origin ASes present in the Internet Routing Table: 8356
RIPE Region origin ASes announcing only one prefix: 4382
RIPE Region transit ASes present in the Internet Routing Table: 1361
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 261306500
Equivalent to 15 /8s, 147 /16s and 56 /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: 12141
Total LACNIC prefixes after maximum aggregation: 3734
Prefixes being announced from the LACNIC address blocks: 10207
Unique aggregates announced from the LACNIC address blocks: 5887
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: 19
Number of LACNIC addresses announced to Internet: 31817216
Equivalent to 1 /8s, 229 /16s and 126 /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: 2255
Total AfriNIC prefixes after maximum aggregation: 913
Prefixes being announced from the AfriNIC address blocks: 1555
Unique aggregates announced from the AfriNIC address blocks: 970
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 43
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: 30
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 1291 7914 239 CHINANET-BACKBONE
4755 965 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 936 109 15 Sify Limited
9498 781 211 70 BHARTI BT INTERNET LTD.
4766 702 4435 303 Korea Telecom (KIX)
1221 608 1779 466 Telstra Pty Ltd
7545 551 124 71 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 414 740 61 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
4802 378 81 167 Wantree Development
17974 369 129 14 PT TELEKOMUNIKASI INDONESIA
17557 357 29 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 305 3465 130 chinanet IDC center beijing n
7474 294 211 228 SingTel Optus Pty Ltd
9800 272 409 54 CHINA UNICOM
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1488 6258 958 AT&T WorldNet Services
6197 1016 635 477 BellSouth Network Solutions,
721 1006 21942 311 DLA Systems Automation Center
4323 965 747 275 Time Warner Telecom
701 961 6770 785 UUNET Technologies, Inc.
18566 953 272 8 Covad Communications
174 936 5769 885 Cogent Communications
2386 928 559 708 AT&T Data Communications Serv
1239 847 2782 597 Sprint
20115 730 651 380 Charter Communications
19262 728 2228 187 Verizon Global Networks
11492 722 89 15 Cable One
209 694 3661 542 Qwest
22773 682 1741 41 Cox Communications, Inc.
7011 668 221 427 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 539 147 19 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 561 1948 441 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 294 5013 238 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 203 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 188 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 167 931 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 433 206 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 255 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 182 151 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
19429 131 84 45 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
7910 125 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 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
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 1291 1052 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 936 921 Sify Limited
4755 965 897 Videsh Sanchar Nigam Ltd. Aut
9498 781 711 BHARTI BT INTERNET LTD.
11492 722 707 Cable One
721 1006 695 DLA Systems Automation Center
4323 965 690 Time Warner Telecom
22773 682 641 Cox Communications, Inc.
8151 785 558 UniNet S.A. de C.V.
19262 728 541 Verizon Global Networks
6197 1016 539 BellSouth Network Solutions,
5668 539 520 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
7545 551 480 TPG Internet Pty Ltd
15270 456 423 PaeTec.net -a division of Pae
22047 433 422 VTR PUNTO NET S.A.
3602 526 421 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 /16:8951 /17:3406 /18:5549
/19:12046 /20:13610 /21:11918 /22:15087 /23:16304 /24:105096
/25:372 /26:297 /27:193 /28:65 /29:39 /30:80
/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 785 1488 AT&T WorldNet Services
9583 769 936 Sify Limited
11492 710 722 Cable One
2386 646 928 AT&T Data Communications Serv
7011 574 668 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 462 781 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 422 539 CenturyTel Internet Holdings,
1239 403 847 Sprint
4755 400 965 Videsh Sanchar Nigam Ltd. Aut
17849 397 410 Telecommunications Technology
6517 381 414 Yipes Communications, Inc.
18101 371 436 Reliance Infocom Ltd Internet
22773 360 682 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1608 13:1 15:15 16:3
17:3 18:4 20:41 24:806 25:1 32:61
38:240 40:52 41:10 44:3 45:13 47:6
52:4 55:1 56:3 57:26 58:205 59:247
60:189 61:918 62:833 63:1885 64:3092 65:2258
66:2976 67:634 68:677 69:1571 70:396 71:87
72:875 74:66 75:5 80:753 81:675 82:641
83:408 84:396 85:571 86:401 87:459 88:143
89:382 91:1 121:13 122:4 123:1 124:347
125:592 128:151 129:188 130:118 131:319 132:34
133:8 134:160 135:48 136:178 137:85 138:211
139:48 140:489 141:136 142:373 143:188 144:241
145:40 146:318 147:140 148:354 149:187 150:113
151:97 152:71 153:117 154:5 155:213 156:179
157:168 158:167 159:172 160:94 161:83 162:246
163:164 164:236 165:222 166:184 167:242 168:486
169:125 170:354 171:14 190:115 192:5738 193:3403
194:2699 195:2014 196:865 198:3905 199:3298 200:4639
201:1035 202:6783 203:7038 204:3905 205:2031 206:2420
207:2925 208:2213 209:3445 210:2188 211:856 212:1252
213:1407 214:366 215:41 216:4024 217:1161 218:321
219:238 220:745 221:374 222:225
End of report
Report Website: http://thyme.apnic.net
