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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 11 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 194665
Prefixes after maximum aggregation: 106894
Unique aggregates announced to Internet: 94994
Total ASes present in the Internet Routing Table: 22838
Origin-only ASes present in the Internet Routing Table: 19880
Origin ASes announcing only one prefix: 9509
Transit ASes present in the Internet Routing Table: 2958
Transit-only ASes present in the Internet Routing Table: 66
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: 22
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: 1562781100
Equivalent to 93 /8s, 38 /16s and 37 /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: 96783
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42557
Total APNIC prefixes after maximum aggregation: 17410
Prefixes being announced from the APNIC address blocks: 40237
Unique aggregates announced from the APNIC address blocks: 18596
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: 400
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 244700768
Equivalent to 14 /8s, 149 /16s and 214 /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: 98592
Total ARIN prefixes after maximum aggregation: 58645
Prefixes being announced from the ARIN address blocks: 72337
Unique aggregates announced from the ARIN address blocks: 27266
ARIN Region origin ASes present in the Internet Routing Table: 10878
ARIN Region origin ASes announcing only one prefix: 4097
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: 299104256
Equivalent to 17 /8s, 211 /16s and 248 /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: 39102
Total RIPE prefixes after maximum aggregation: 26190
Prefixes being announced from the RIPE address blocks: 36069
Unique aggregates announced from the RIPE address blocks: 24322
RIPE Region origin ASes present in the Internet Routing Table: 8356
RIPE Region origin ASes announcing only one prefix: 4381
RIPE Region transit ASes present in the Internet Routing Table: 1364
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261393988
Equivalent to 15 /8s, 148 /16s and 142 /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: 12142
Total LACNIC prefixes after maximum aggregation: 3735
Prefixes being announced from the LACNIC address blocks: 10219
Unique aggregates announced from the LACNIC address blocks: 5878
LACNIC Region origin ASes present in the Internet Routing Table: 710
LACNIC Region origin ASes announcing only one prefix: 235
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: 31920384
Equivalent to 1 /8s, 231 /16s and 17 /24s
Percentage of available LACNIC address space announced: 47.6
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: 2250
Total AfriNIC prefixes after maximum aggregation: 914
Prefixes being announced from the AfriNIC address blocks: 1548
Unique aggregates announced from the AfriNIC address blocks: 979
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 45
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: 4203264
Equivalent to 0 /8s, 64 /16s and 35 /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 963 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 934 109 15 Sify Limited
9498 780 211 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 491 7109 111 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
17974 377 129 12 PT TELEKOMUNIKASI INDONESIA
4802 371 81 159 Wantree Development
17557 358 29 169 Pakistan Telecom
2907 336 1733 311 SINET Japan
4837 306 3466 131 chinanet IDC center beijing n
7474 295 211 229 SingTel Optus Pty Ltd
10139 283 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1491 6259 962 AT&T WorldNet Services
6197 1017 635 477 BellSouth Network Solutions,
721 1002 21942 311 DLA Systems Automation Center
4323 969 747 275 Time Warner Telecom
701 964 6782 789 UUNET Technologies, Inc.
18566 953 272 8 Covad Communications
174 936 5769 886 Cogent Communications
2386 929 559 709 AT&T Data Communications Serv
1239 843 2797 596 Sprint
20115 730 651 380 Charter Communications
19262 726 2212 184 Verizon Global Networks
11492 723 90 16 Cable One
209 688 3661 542 Qwest
22773 685 1742 44 Cox Communications, Inc.
7011 676 221 431 Citizens Utilities
6198 597 556 237 BellSouth Network Solutions,
852 581 1068 381 Telus Advanced Communications
855 568 247 74 Canadian Research Network
19916 563 49 54 OLM LLC
5668 541 147 19 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 560 1947 441 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 295 5013 239 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 249 42 11 LINKdotNET AS number
680 247 2041 244 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 200 18 83 SC Kappa Invexim SRL
1257 195 742 167 SWIPnet Swedish IP Network
6830 195 879 43 UPC Distribution Services
8866 190 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
786 171 1778 171 The JANET IP Service
3300 170 171 97 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 784 1811 229 UniNet S.A. de C.V.
22047 424 206 11 VTR PUNTO NET S.A.
11172 361 114 88 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 183 151 83 AVANTEL, S.A.
7303 182 85 29 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
7910 138 9 23 ANDINET ON LINE
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.
14522 121 18 9 SatNet S.A.
14259 119 10 15 GTD Internet S.A.
7738 114 410 20 Telecomunicacoes da Bahia S.A
23216 113 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 169 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 963 895 Videsh Sanchar Nigam Ltd. Aut
9498 780 710 BHARTI BT INTERNET LTD.
11492 723 707 Cable One
4323 969 694 Time Warner Telecom
721 1002 691 DLA Systems Automation Center
22773 685 641 Cox Communications, Inc.
8151 784 555 UniNet S.A. de C.V.
19262 726 542 Verizon Global Networks
6197 1017 540 BellSouth Network Solutions,
5668 541 522 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 568 494 Canadian Research Network
7545 553 481 TPG Internet Pty Ltd
15270 457 424 PaeTec.net -a division of Pae
3602 525 420 Sprint Canada, Inc.
18101 436 414 Reliance Infocom Ltd Internet
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
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 /16:8954 /17:3412 /18:5562
/19:12057 /20:13620 /21:11945 /22:15107 /23:16308 /24:105100
/25:385 /26:311 /27:198 /28:66 /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 797 1017 BellSouth Network Solutions,
7018 786 1491 AT&T WorldNet Services
9583 767 934 Sify Limited
11492 711 723 Cable One
2386 647 929 AT&T Data Communications Serv
7011 582 676 Citizens Utilities
19916 557 563 OLM LLC
4766 513 702 Korea Telecom (KIX)
9498 461 780 BHARTI BT INTERNET LTD.
855 442 568 Canadian Research Network
6198 441 597 BellSouth Network Solutions,
15270 426 457 PaeTec.net -a division of Pae
5668 422 541 CenturyTel Internet Holdings,
1239 399 843 Sprint
4755 399 963 Videsh Sanchar Nigam Ltd. Aut
17849 397 410 Telecommunications Technology
6517 382 415 Yipes Communications, Inc.
18101 371 436 Reliance Infocom Ltd Internet
22773 363 685 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 45:12 47:6
52:4 55:1 56:3 57:26 58:210 59:247
60:191 61:933 62:828 63:1887 64:3095 65:2263
66:2985 67:636 68:675 69:1565 70:389 71:88
72:876 74:70 75:5 80:749 81:663 82:643
83:400 84:393 85:574 86:397 87:457 88:154
89:393 91:1 121:13 122:3 123:1 124:343
125:587 128:151 129:188 130:118 131:318 132:34
133:8 134:164 135:48 136:178 137:85 138:213
139:48 140:488 141:136 142:373 143:189 144:239
145:40 146:317 147:140 148:352 149:187 150:114
151:97 152:71 153:117 154:5 155:214 156:179
157:169 158:167 159:172 160:94 161:83 162:216
163:164 164:236 165:222 166:182 167:242 168:486
169:125 170:355 171:14 190:123 192:5736 193:3405
194:2700 195:2019 196:856 198:3902 199:3300 200:4633
201:1040 202:6768 203:7003 204:3903 205:2024 206:2422
207:2926 208:2216 209:3451 210:2195 211:857 212:1254
213:1442 214:366 215:41 216:4046 217:1160 218:324
219:238 220:729 221:371 222:228
End of report
Report Website: http://thyme.apnic.net
