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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 24 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195634
Prefixes after maximum aggregation: 107189
Unique aggregates announced to Internet: 94257
Total ASes present in the Internet Routing Table: 22949
Origin-only ASes present in the Internet Routing Table: 19976
Origin ASes announcing only one prefix: 9576
Transit ASes present in the Internet Routing Table: 2973
Transit-only ASes present in the Internet Routing Table: 67
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: 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: 1577684780
Equivalent to 94 /8s, 9 /16s and 143 /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: 97267
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42869
Total APNIC prefixes after maximum aggregation: 17419
Prefixes being announced from the APNIC address blocks: 40556
Unique aggregates announced from the APNIC address blocks: 17503
APNIC Region origin ASes present in the Internet Routing Table: 2676
APNIC Region origin ASes announcing only one prefix: 760
APNIC Region transit ASes present in the Internet Routing Table: 401
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262208352
Equivalent to 15 /8s, 160 /16s and 251 /24s
Percentage of available APNIC address space announced: 82.0
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: 98864
Total ARIN prefixes after maximum aggregation: 58789
Prefixes being announced from the ARIN address blocks: 72709
Unique aggregates announced from the ARIN address blocks: 27423
ARIN Region origin ASes present in the Internet Routing Table: 10920
ARIN Region origin ASes announcing only one prefix: 4121
ARIN Region transit ASes present in the Internet Routing Table: 1002
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296193536
Equivalent to 17 /8s, 167 /16s and 142 /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: 39316
Total RIPE prefixes after maximum aggregation: 26302
Prefixes being announced from the RIPE address blocks: 36273
Unique aggregates announced from the RIPE address blocks: 24446
RIPE Region origin ASes present in the Internet Routing Table: 8409
RIPE Region origin ASes announcing only one prefix: 4413
RIPE Region transit ASes present in the Internet Routing Table: 1386
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261822660
Equivalent to 15 /8s, 155 /16s and 24 /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: 3767
Prefixes being announced from the LACNIC address blocks: 10344
Unique aggregates announced from the LACNIC address blocks: 5956
LACNIC Region origin ASes present in the Internet Routing Table: 716
LACNIC Region origin ASes announcing only one prefix: 237
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: 32186880
Equivalent to 1 /8s, 235 /16s and 34 /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: 2264
Total AfriNIC prefixes after maximum aggregation: 912
Prefixes being announced from the AfriNIC address blocks: 1575
Unique aggregates announced from the AfriNIC address blocks: 995
AfriNIC Region origin ASes present in the Internet Routing Table: 161
AfriNIC Region origin ASes announcing only one prefix: 45
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: 4208896
Equivalent to 0 /8s, 64 /16s and 57 /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 1299 7981 238 CHINANET-BACKBONE
4755 973 255 67 Videsh Sanchar Nigam Ltd. Aut
9583 942 109 15 Sify Limited
9498 793 211 71 BHARTI BT INTERNET LTD.
4766 723 4435 304 Korea Telecom (KIX)
1221 614 1779 469 Telstra Pty Ltd
7545 538 124 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
17974 362 129 12 PT TELEKOMUNIKASI INDONESIA
4802 356 84 149 Wantree Development
17557 355 28 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 319 3539 137 chinanet IDC center beijing n
10139 312 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 1001 21942 310 DLA Systems Automation Center
4323 992 751 282 Time Warner Telecom
2386 961 561 724 AT&T Data Communications Serv
701 959 6780 785 UUNET Technologies, Inc.
18566 956 272 8 Covad Communications
174 942 5770 888 Cogent Communications
1239 848 2781 601 Sprint
20115 736 658 385 Charter Communications
11492 726 90 16 Cable One
22773 693 1744 46 Cox Communications, Inc.
19262 690 2268 189 Verizon Global Networks
209 686 3641 541 Qwest
7011 661 219 417 Citizens Utilities
852 589 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 560 247 74 Canadian Research Network
3602 534 125 105 Sprint Canada, Inc.
5668 532 145 18 CenturyTel Internet Holdings,
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 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.
3215 204 1760 97 France Telecom Transpac
30890 204 19 85 SC Kappa Invexim SRL
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
6830 194 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
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 768 1811 228 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 364 97 90 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.
7303 181 84 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
6503 180 167 84 AVANTEL, S.A.
7910 142 9 32 ANDINET ON LINE
21826 134 17 23 INTERCABLE
11556 132 96 4 Cable-Wireless Panama
19429 131 80 40 E.T.B.
18822 129 8 10 TELEFONICA MANQUEHUE
19169 128 8 25 Telconet
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 177 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
21280 23 4 4 Swift Global Kenya Ltd.Is an
8524 22 1 5 AUCEGYPT Autonomous System
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 1299 1061 CHINANET-BACKBONE
18566 956 948 Covad Communications
9583 942 927 Sify Limited
4755 973 906 Videsh Sanchar Nigam Ltd. Aut
9498 793 722 BHARTI BT INTERNET LTD.
4323 992 710 Time Warner Telecom
11492 726 710 Cable One
721 1001 691 DLA Systems Automation Center
22773 693 647 Cox Communications, Inc.
6197 1017 540 BellSouth Network Solutions,
8151 768 540 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
19262 690 501 Verizon Global Networks
855 560 486 Canadian Research Network
7545 538 465 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
38383 UNALLOCATED 210.7.42.0/23 38022 REANNZ National Rese
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 /8:19 /9:9 /10:13 /11:31 /12:103
/13:209 /14:376 /15:737 /16:8972 /17:3421 /18:5582
/19:12151 /20:13733 /21:12023 /22:15181 /23:16397 /24:105421
/25:413 /26:408 /27:198 /28:67 /29:42 /30:82
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 939 956 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 679 961 AT&T Data Communications Serv
7011 568 661 Citizens Utilities
19916 557 563 OLM LLC
4766 534 723 Korea Telecom (KIX)
9498 472 793 BHARTI BT INTERNET LTD.
855 434 560 Canadian Research Network
15270 433 464 PaeTec.net -a division of Pae
5668 414 532 CenturyTel Internet Holdings,
4755 408 973 Videsh Sanchar Nigam Ltd. Aut
1239 403 848 Sprint
17849 397 410 Telecommunications Technology
18101 379 445 Reliance Infocom Ltd Internet
6517 376 410 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 24:810 25:1 32:61
38:244 40:53 41:17 44:3 47:6 52:4
55:1 56:3 57:26 58:208 59:259 60:187
61:928 62:834 63:1891 64:3052 65:2209 66:3019
67:641 68:655 69:1604 70:382 71:88 72:884
74:68 75:5 80:782 81:682 82:642 83:385
84:385 85:584 86:394 87:439 88:160 89:411
91:1 121:17 122:6 123:1 124:338 125:599
128:157 129:201 130:77 131:314 132:31 133:8
134:161 135:48 136:177 137:84 138:212 139:49
140:432 141:135 142:365 143:189 144:242 145:41
146:314 147:136 148:351 149:189 150:114 151:115
152:72 153:117 154:5 155:216 156:176 157:177
158:165 159:173 160:94 161:85 162:218 163:166
164:233 165:221 166:183 167:243 168:486 169:128
170:356 171:14 190:198 192:5732 193:3399 194:2713
195:2033 196:868 198:3896 199:3302 200:4626 201:1028
202:6816 203:7056 204:3897 205:2020 206:2431 207:2964
208:2235 209:3451 210:2180 211:845 212:1280 213:1451
214:369 215:41 216:4070 217:1153 218:332 219:258
220:778 221:381 222:232
End of report
Report Website: http://thyme.apnic.net
