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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 07 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194193
Prefixes after maximum aggregation: 106778
Unique aggregates announced to Internet: 94939
Total ASes present in the Internet Routing Table: 22805
Origin-only ASes present in the Internet Routing Table: 19847
Origin ASes announcing only one prefix: 9503
Transit ASes present in the Internet Routing Table: 2958
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: 1
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1561412524
Equivalent to 93 /8s, 17 /16s and 67 /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: 96379
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42487
Total APNIC prefixes after maximum aggregation: 17464
Prefixes being announced from the APNIC address blocks: 40180
Unique aggregates announced from the APNIC address blocks: 18688
APNIC Region origin ASes present in the Internet Routing Table: 2662
APNIC Region origin ASes announcing only one prefix: 752
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: 244156000
Equivalent to 14 /8s, 141 /16s and 134 /24s
Percentage of available APNIC address space announced: 76.3
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: 98403
Total ARIN prefixes after maximum aggregation: 58549
Prefixes being announced from the ARIN address blocks: 72193
Unique aggregates announced from the ARIN address blocks: 27240
ARIN Region origin ASes present in the Internet Routing Table: 10865
ARIN Region origin ASes announcing only one prefix: 4091
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: 298976768
Equivalent to 17 /8s, 210 /16s and 6 /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: 38949
Total RIPE prefixes after maximum aggregation: 26119
Prefixes being announced from the RIPE address blocks: 35911
Unique aggregates announced from the RIPE address blocks: 24268
RIPE Region origin ASes present in the Internet Routing Table: 8337
RIPE Region origin ASes announcing only one prefix: 4379
RIPE Region transit ASes present in the Internet Routing Table: 1365
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261259076
Equivalent to 15 /8s, 146 /16s and 127 /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: 12139
Total LACNIC prefixes after maximum aggregation: 3736
Prefixes being announced from the LACNIC address blocks: 10212
Unique aggregates announced from the LACNIC address blocks: 5862
LACNIC Region origin ASes present in the Internet Routing Table: 715
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 131
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 31805184
Equivalent to 1 /8s, 229 /16s and 79 /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: 2194
Total AfriNIC prefixes after maximum aggregation: 910
Prefixes being announced from the AfriNIC address blocks: 1517
Unique aggregates announced from the AfriNIC address blocks: 937
AfriNIC Region origin ASes present in the Internet Routing Table: 158
AfriNIC Region origin ASes announcing only one prefix: 43
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: 19
Number of AfriNIC addresses announced to Internet: 4166912
Equivalent to 0 /8s, 63 /16s and 149 /24s
Percentage of available AfriNIC address space announced: 12.4
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 1289 7914 239 CHINANET-BACKBONE
4755 963 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 942 109 15 Sify Limited
9498 762 211 70 BHARTI BT INTERNET LTD.
4766 700 4435 303 Korea Telecom (KIX)
1221 608 1779 465 Telstra Pty Ltd
7545 552 124 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 434 85 22 Reliance Infocom Ltd Internet
4812 415 740 61 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
17557 379 30 176 Pakistan Telecom
4802 378 81 167 Wantree Development
17974 368 129 14 PT TELEKOMUNIKASI INDONESIA
2907 336 1733 311 SINET Japan
4837 304 3458 135 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 1497 6259 960 AT&T WorldNet Services
6197 1017 635 477 BellSouth Network Solutions,
721 1001 21926 310 DLA Systems Automation Center
4323 965 747 275 Time Warner Telecom
701 958 6769 784 UUNET Technologies, Inc.
18566 953 272 8 Covad Communications
174 936 5769 885 Cogent Communications
2386 918 559 706 AT&T Data Communications Serv
1239 853 2783 604 Sprint
19262 728 2228 187 Verizon Global Networks
20115 726 651 380 Charter Communications
11492 722 89 15 Cable One
209 693 3660 541 Qwest
22773 682 1741 41 Cox Communications, Inc.
7011 665 222 426 Citizens Utilities
6198 598 556 237 BellSouth Network Solutions,
852 580 1068 380 Telus Advanced Communications
855 567 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 538 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 559 1946 440 UUNET - Commercial IP service
3301 316 1187 301 TeliaNet Sweden
3320 294 5013 238 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
680 246 2041 243 DFN-IP service G-WiN
6746 243 91 221 Dynamic Network Technologies,
24863 239 42 11 LINKdotNET AS number
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 182 37 15 Bulgarian Telecommunication C
5416 179 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 787 1811 229 UniNet S.A. de C.V.
22047 433 206 11 VTR PUNTO NET S.A.
11172 360 113 86 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 254 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 123 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
2018 134 298 111 Tertiary Education Network
15475 134 84 4 Nile Online
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
5713 39 294 35 Telkom SA Ltd
33774 30 7 21 AS Number for Telecom Algeria
23889 24 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
8346 19 18 17 SONATEL-AS Autonomous System
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1289 1050 CHINANET-BACKBONE
18566 953 945 Covad Communications
9583 942 927 Sify Limited
4755 963 895 Videsh Sanchar Nigam Ltd. Aut
11492 722 707 Cable One
9498 762 692 BHARTI BT INTERNET LTD.
721 1001 691 DLA Systems Automation Center
4323 965 690 Time Warner Telecom
22773 682 641 Cox Communications, Inc.
8151 787 558 UniNet S.A. de C.V.
19262 728 541 Verizon Global Networks
6197 1017 540 BellSouth Network Solutions,
5668 538 515 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 567 493 Canadian Research Network
7545 552 480 TPG Internet Pty Ltd
15270 455 422 PaeTec.net -a division of Pae
22047 433 422 VTR PUNTO NET S.A.
3602 524 419 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
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.1.0/24 3301 TeliaNet Sweden
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 /14:374 /15:732 /16:8946 /17:3405 /18:5537
/19:12031 /20:13597 /21:11890 /22:15046 /23:16284 /24:104894
/25:377 /26:293 /27:195 /28:64 /29:38 /30:79
/31:0 /32:44
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 936 953 Covad Communications
6197 797 1017 BellSouth Network Solutions,
7018 796 1497 AT&T WorldNet Services
9583 773 942 Sify Limited
11492 710 722 Cable One
2386 637 918 AT&T Data Communications Serv
7011 571 665 Citizens Utilities
19916 557 563 OLM LLC
4766 511 700 Korea Telecom (KIX)
9498 444 762 BHARTI BT INTERNET LTD.
6198 442 598 BellSouth Network Solutions,
855 441 567 Canadian Research Network
15270 424 455 PaeTec.net -a division of Pae
5668 421 538 CenturyTel Internet Holdings,
1239 401 853 Sprint
4755 398 963 Videsh Sanchar Nigam Ltd. Aut
17849 397 410 Telecommunications Technology
6517 381 414 Yipes Communications, Inc.
18101 370 434 Reliance Infocom Ltd Internet
22773 360 682 Cox Communications, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:50 12:1606 13:1 15:15 16:3
17:3 18:4 20:41 24:807 25:1 32:61
38:239 40:53 41:8 44:3 45:9 47:6
52:4 55:1 56:3 57:26 58:204 59:246
60:189 61:921 62:830 63:1889 64:3093 65:2259
66:2974 67:628 68:677 69:1570 70:394 71:87
72:873 74:65 75:5 80:746 81:671 82:636
83:405 84:394 85:574 86:403 87:458 88:143
89:380 91:1 121:13 122:3 123:1 124:344
125:578 128:150 129:188 130:118 131:318 132:34
133:8 134:160 135:49 136:171 137:85 138:212
139:48 140:489 141:137 142:372 143:186 144:240
145:40 146:315 147:140 148:352 149:188 150:108
151:97 152:71 153:117 154:5 155:214 156:179
157:137 158:167 159:172 160:94 161:83 162:245
163:164 164:236 165:222 166:182 167:234 168:486
169:125 170:350 171:14 190:114 192:5739 193:3401
194:2695 195:2009 196:857 198:3893 199:3301 200:4646
201:1042 202:6781 203:7053 204:3904 205:2033 206:2424
207:2926 208:2206 209:3430 210:2160 211:832 212:1233
213:1433 214:359 215:41 216:4011 217:1150 218:319
219:250 220:743 221:375 222:225
End of report
Report Website: http://thyme.apnic.net
