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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 25 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195874
Prefixes after maximum aggregation: 107196
Unique aggregates announced to Internet: 95056
Total ASes present in the Internet Routing Table: 22964
Origin-only ASes present in the Internet Routing Table: 19996
Origin ASes announcing only one prefix: 9596
Transit ASes present in the Internet Routing Table: 2968
Transit-only ASes present in the Internet Routing Table: 66
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: 24
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1577645868
Equivalent to 94 /8s, 8 /16s and 247 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 61.6
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 97411
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42911
Total APNIC prefixes after maximum aggregation: 17329
Prefixes being announced from the APNIC address blocks: 40599
Unique aggregates announced from the APNIC address blocks: 18285
APNIC Region origin ASes present in the Internet Routing Table: 2680
APNIC Region origin ASes announcing only one prefix: 759
APNIC Region transit ASes present in the Internet Routing Table: 399
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261815392
Equivalent to 15 /8s, 154 /16s and 252 /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: 99061
Total ARIN prefixes after maximum aggregation: 58872
Prefixes being announced from the ARIN address blocks: 72758
Unique aggregates announced from the ARIN address blocks: 27413
ARIN Region origin ASes present in the Internet Routing Table: 10928
ARIN Region origin ASes announcing only one prefix: 4135
ARIN Region transit ASes present in the Internet Routing Table: 1007
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296343296
Equivalent to 17 /8s, 169 /16s and 215 /24s
Percentage of available ARIN address space announced: 76.8
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: 39318
Total RIPE prefixes after maximum aggregation: 26316
Prefixes being announced from the RIPE address blocks: 36274
Unique aggregates announced from the RIPE address blocks: 24467
RIPE Region origin ASes present in the Internet Routing Table: 8414
RIPE Region origin ASes announcing only one prefix: 4419
RIPE Region transit ASes present in the Internet Routing Table: 1374
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261792452
Equivalent to 15 /8s, 154 /16s and 162 /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: 12297
Total LACNIC prefixes after maximum aggregation: 3766
Prefixes being announced from the LACNIC address blocks: 10357
Unique aggregates announced from the LACNIC address blocks: 5962
LACNIC Region origin ASes present in the Internet Routing Table: 714
LACNIC Region origin ASes announcing only one prefix: 236
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32183296
Equivalent to 1 /8s, 235 /16s and 20 /24s
Percentage of available LACNIC address space announced: 48.0
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: 2263
Total AfriNIC prefixes after maximum aggregation: 913
Prefixes being announced from the AfriNIC address blocks: 1576
Unique aggregates announced from the AfriNIC address blocks: 997
AfriNIC Region origin ASes present in the Internet Routing Table: 162
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: 3.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC addresses announced to Internet: 4213248
Equivalent to 0 /8s, 64 /16s and 74 /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 1301 7982 239 CHINANET-BACKBONE
4755 973 255 67 Videsh Sanchar Nigam Ltd. Aut
9583 942 109 15 Sify Limited
9498 794 211 71 BHARTI BT INTERNET LTD.
4766 722 4435 304 Korea Telecom (KIX)
1221 615 1779 470 Telstra Pty Ltd
7545 539 124 73 TPG Internet Pty Ltd
17488 522 32 18 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 445 85 18 Reliance Infocom Ltd Internet
4812 412 739 59 China Telecom (Shanghai)
17849 410 30 122 Telecommunications Technology
4802 407 84 149 Wantree Development
17974 371 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 28 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 319 3539 137 chinanet IDC center beijing n
10139 315 23 6 Meridian Telekoms
7474 295 211 229 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1480 6259 955 AT&T WorldNet Services
6197 1017 635 477 BellSouth Network Solutions,
721 1002 21942 310 DLA Systems Automation Center
4323 998 751 284 Time Warner Telecom
2386 958 560 724 AT&T Data Communications Serv
18566 958 272 8 Covad Communications
701 957 6780 783 UUNET Technologies, Inc.
174 942 5770 887 Cogent Communications
1239 850 2783 603 Sprint
20115 736 658 385 Charter Communications
19262 734 2252 188 Verizon Global Networks
11492 726 90 16 Cable One
22773 693 1744 46 Cox Communications, Inc.
209 686 3641 541 Qwest
7011 664 220 420 Citizens Utilities
852 589 1068 383 Telus Advanced Communications
855 563 248 73 Canadian Research Network
19916 563 49 54 OLM LLC
5668 532 145 18 CenturyTel Internet Holdings,
3602 513 125 105 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 558 1947 439 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 297 5013 240 Deutsche Telekom AG
8220 282 471 267 COLT Telecommunications
24863 254 42 11 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 245 91 224 Dynamic Network Technologies,
3246 229 460 219 Song Networks
1257 220 744 167 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 97 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
30890 202 18 84 SC Kappa Invexim SRL
8551 201 181 32 Bezeq International
6830 194 879 43 UPC Distribution Services
5416 180 12 11 BATELCO-BH
8866 179 37 15 Bulgarian Telecommunication C
3300 172 171 97 AUCS Communications Services
786 171 1778 171 The JANET IP Service
3352 166 1655 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 770 1811 230 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 365 97 91 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 273 134 22 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 181 167 84 AVANTEL, S.A.
7303 181 84 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
7910 141 9 29 ANDINET ON LINE
21826 135 17 23 INTERCABLE
11556 132 96 4 Cable-Wireless Panama
19169 132 8 31 Telconet
19429 131 80 40 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
14522 117 18 9 SatNet S.A.
7738 114 410 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 284 803 231 The Internet Solution
8452 179 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
2018 134 298 111 Tertiary Education Network
15475 132 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
15706 44 8 3 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
23889 26 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
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 1301 1062 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 942 927 Sify Limited
4755 973 906 Videsh Sanchar Nigam Ltd. Aut
9498 794 723 BHARTI BT INTERNET LTD.
4323 998 714 Time Warner Telecom
11492 726 710 Cable One
721 1002 692 DLA Systems Automation Center
22773 693 647 Cox Communications, Inc.
19262 734 546 Verizon Global Networks
6197 1017 540 BellSouth Network Solutions,
8151 770 540 UniNet S.A. de C.V.
5668 532 514 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 563 490 Canadian Research Network
7545 539 466 TPG Internet Pty Ltd
22047 456 445 VTR PUNTO NET S.A.
17676 497 435 Softbank BB Corp.
15270 464 430 PaeTec.net -a division of Pae
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
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
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 /8:18 /9:9 /10:13 /11:31 /12:103
/13:209 /14:377 /15:738 /16:8975 /17:3431 /18:5594
/19:12154 /20:13745 /21:12035 /22:15190 /23:16416 /24:105574
/25:418 /26:408 /27:198 /28:68 /29:42 /30:82
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 941 958 Covad Communications
6197 798 1017 BellSouth Network Solutions,
7018 778 1480 AT&T WorldNet Services
9583 773 942 Sify Limited
11492 714 726 Cable One
2386 676 958 AT&T Data Communications Serv
7011 570 664 Citizens Utilities
19916 557 563 OLM LLC
4766 533 722 Korea Telecom (KIX)
9498 472 794 BHARTI BT INTERNET LTD.
855 437 563 Canadian Research Network
15270 433 464 PaeTec.net -a division of Pae
5668 415 532 CenturyTel Internet Holdings,
4755 408 973 Videsh Sanchar Nigam Ltd. Aut
1239 403 850 Sprint
17849 397 410 Telecommunications Technology
18101 379 445 Reliance Infocom Ltd Internet
6517 378 412 Yipes Communications, Inc.
22773 365 693 Cox Communications, Inc.
33588 351 372 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:49 12:1622 13:1 15:15 16:3
17:3 18:4 20:41 24:809 25:1 32:61
38:244 40:54 41:16 44:3 47:6 52:4
55:1 56:3 57:26 58:209 59:259 60:190
61:920 62:836 63:1891 64:3053 65:2204 66:3018
67:639 68:655 69:1609 70:382 71:88 72:883
74:68 75:5 80:777 81:684 82:646 83:388
84:385 85:583 86:396 87:438 88:162 89:413
91:1 121:17 122:6 123:1 124:340 125:599
128:157 129:202 130:118 131:314 132:31 133:8
134:161 135:48 136:178 137:84 138:212 139:49
140:521 141:134 142:365 143:189 144:242 145:41
146:317 147:136 148:350 149:176 150:114 151:116
152:72 153:117 154:5 155:216 156:176 157:177
158:165 159:173 160:94 161:85 162:218 163:166
164:233 165:211 166:183 167:243 168:485 169:128
170:361 171:14 189:1 190:199 192:5734 193:3403
194:2713 195:2038 196:869 198:3898 199:3309 200:4628
201:1036 202:6820 203:7085 204:3895 205:2023 206:2434
207:2968 208:2235 209:3459 210:2136 211:844 212:1282
213:1446 214:370 215:41 216:4069 217:1146 218:331
219:258 220:779 221:381 222:239
End of report
Report Website: http://thyme.apnic.net
