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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 12 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 197707
Prefixes after maximum aggregation: 107724
Unique aggregates announced to Internet: 95738
Total ASes present in the Internet Routing Table: 23087
Origin-only ASes present in the Internet Routing Table: 20113
Origin ASes announcing only one prefix: 9649
Transit ASes present in the Internet Routing Table: 2974
Transit-only ASes present in the Internet Routing Table: 63
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: 2
Unregistered ASNs in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1580581964
Equivalent to 94 /8s, 53 /16s and 196 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 98823
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43343
Total APNIC prefixes after maximum aggregation: 17387
Prefixes being announced from the APNIC address blocks: 40960
Unique aggregates announced from the APNIC address blocks: 18360
APNIC Region origin ASes present in the Internet Routing Table: 2697
APNIC Region origin ASes announcing only one prefix: 763
APNIC Region transit ASes present in the Internet Routing Table: 406
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 262184032
Equivalent to 15 /8s, 160 /16s and 156 /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: 99942
Total ARIN prefixes after maximum aggregation: 59091
Prefixes being announced from the ARIN address blocks: 73355
Unique aggregates announced from the ARIN address blocks: 27604
ARIN Region origin ASes present in the Internet Routing Table: 10962
ARIN Region origin ASes announcing only one prefix: 4142
ARIN Region transit ASes present in the Internet Routing Table: 1011
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296912384
Equivalent to 17 /8s, 178 /16s and 134 /24s
Percentage of available ARIN address space announced: 76.9
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: 39828
Total RIPE prefixes after maximum aggregation: 26522
Prefixes being announced from the RIPE address blocks: 36727
Unique aggregates announced from the RIPE address blocks: 24719
RIPE Region origin ASes present in the Internet Routing Table: 8485
RIPE Region origin ASes announcing only one prefix: 4457
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: 18
Number of RIPE addresses announced to Internet: 263779556
Equivalent to 15 /8s, 184 /16s and 244 /24s
Percentage of available RIPE address space announced: 71.5
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, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 12342
Total LACNIC prefixes after maximum aggregation: 3812
Prefixes being announced from the LACNIC address blocks: 10369
Unique aggregates announced from the LACNIC address blocks: 6073
LACNIC Region origin ASes present in the Internet Routing Table: 721
LACNIC Region origin ASes announcing only one prefix: 240
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32432640
Equivalent to 1 /8s, 238 /16s and 226 /24s
Percentage of available LACNIC address space announced: 48.3
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: 912
Prefixes being announced from the AfriNIC address blocks: 1580
Unique aggregates announced from the AfriNIC address blocks: 996
AfriNIC Region origin ASes present in the Internet Routing Table: 159
AfriNIC Region origin ASes announcing only one prefix: 47
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: 14
Number of AfriNIC addresses announced to Internet: 4231424
Equivalent to 0 /8s, 64 /16s and 145 /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 1304 8127 239 CHINANET-BACKBONE
4755 987 255 68 Videsh Sanchar Nigam Ltd. Aut
9583 955 109 15 Sify Limited
9498 848 212 71 BHARTI BT INTERNET LTD.
4766 736 4436 307 Korea Telecom (KIX)
1221 609 1780 467 Telstra Pty Ltd
7545 538 124 73 TPG Internet Pty Ltd
17488 529 33 11 Hathway IP Over Cable Interne
17676 498 10933 62 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 448 85 18 Reliance Infocom Ltd Internet
17849 424 31 127 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 28 173 Pakistan Telecom
2907 337 1734 312 SINET Japan
4837 323 3555 138 chinanet IDC center beijing n
10139 323 23 6 Meridian Telekoms
7474 289 210 224 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1485 6275 957 AT&T WorldNet Services
2386 1029 569 778 AT&T Data Communications Serv
6197 1029 640 479 BellSouth Network Solutions,
4323 1002 776 290 Time Warner Telecom
721 971 21909 306 DLA Systems Automation Center
18566 959 272 8 Covad Communications
701 948 6759 776 UUNET Technologies, Inc.
174 935 5769 877 Cogent Communications
1239 839 2763 592 Sprint
20115 742 663 386 Charter Communications
19262 739 2280 189 Verizon Global Networks
11492 734 90 14 Cable One
22773 700 1744 45 Cox Communications, Inc.
209 693 3630 547 Qwest
7011 667 208 421 Citizens Utilities
852 587 1068 383 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 549 248 73 Canadian Research Network
5668 537 145 18 CenturyTel Internet Holdings,
3602 511 125 104 Sprint Canada, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 551 1944 433 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 280 471 266 COLT Telecommunications
24863 268 42 14 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 243 90 222 Dynamic Network Technologies,
3246 227 469 217 Song Networks
9116 221 134 23 Goldenlines main autonomous s
1257 219 740 166 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 204 1760 98 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 199 18 81 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8866 185 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 171 171 96 AUCS Communications Services
786 170 1778 170 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 640 1811 225 UniNet S.A. de C.V.
22047 454 206 11 VTR PUNTO NET S.A.
11172 372 98 89 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 276 140 24 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
6503 184 167 84 AVANTEL, S.A.
7303 184 86 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
21826 140 18 26 INTERCABLE
7910 137 9 20 ANDINET ON LINE
19169 137 9 22 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
19429 129 79 38 E.T.B.
14522 117 18 9 SatNet S.A.
7738 113 410 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 290 803 231 The Internet Solution
8452 174 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 136 298 112 Tertiary Education Network
5536 121 8 18 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 107 6 2 EEPAD TISP TELECOM & INTERNET
2905 79 159 70 The Internetworking Company o
15706 55 12 4 Sudatel Internet Exchange Aut
5713 36 293 32 Telkom SA Ltd
33774 32 7 20 AS Number for Telecom Algeria
23889 27 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
12455 23 6 3 Jambonet Autonomous system
8524 22 1 5 AUCEGYPT Autonomous System
21280 22 4 4 Swift Global Kenya Ltd.Is an
21491 22 17 2 UTL On-line is RF broadband I
33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1304 1065 CHINANET-BACKBONE
18566 959 951 Covad Communications
9583 955 940 Sify Limited
4755 987 919 Videsh Sanchar Nigam Ltd. Aut
9498 848 777 BHARTI BT INTERNET LTD.
11492 734 720 Cable One
4323 1002 712 Time Warner Telecom
721 971 665 DLA Systems Automation Center
22773 700 655 Cox Communications, Inc.
6197 1029 550 BellSouth Network Solutions,
19262 739 550 Verizon Global Networks
5668 537 519 CenturyTel Internet Holdings,
17488 529 518 Hathway IP Over Cable Interne
19916 565 511 OLM LLC
855 549 476 Canadian Research Network
7545 538 465 TPG Internet Pty Ltd
22047 454 443 VTR PUNTO NET S.A.
17676 498 436 Softbank BB Corp.
15270 469 434 PaeTec.net -a division of Pae
18101 448 430 Reliance Infocom Ltd Internet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
198.18.0.0/15 8895 KACST/ISU Riyadh Autonomous S
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
170.0.0.0/24 4696 HITS
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 /14:381 /15:742 /16:8976 /17:3451 /18:5651
/19:12213 /20:13798 /21:12135 /22:15405 /23:16585 /24:106723
/25:419 /26:428 /27:187 /28:62 /29:42 /30:80
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 942 959 Covad Communications
6197 809 1029 BellSouth Network Solutions,
9583 785 955 Sify Limited
7018 779 1485 AT&T WorldNet Services
2386 746 1029 AT&T Data Communications Serv
11492 722 734 Cable One
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
4766 546 736 Korea Telecom (KIX)
9498 504 848 BHARTI BT INTERNET LTD.
15270 438 469 PaeTec.net -a division of Pae
855 423 549 Canadian Research Network
4755 420 987 Videsh Sanchar Nigam Ltd. Aut
5668 420 537 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 406 839 Sprint
7066 384 487 Virginia Polytechnic Institut
18101 382 448 Reliance Infocom Ltd Internet
22773 371 700 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:46 11:1 12:1615 13:1 15:16
16:4 17:4 18:4 20:41 24:821 25:1
32:61 34:1 38:256 40:55 41:16 44:3
47:6 52:4 55:1 56:3 57:25 58:227
59:266 60:177 61:901 62:900 63:1886 64:3074
65:2225 66:3069 67:647 68:650 69:1615 70:386
71:89 72:907 74:78 75:7 80:826 81:694
82:669 83:388 84:392 85:625 86:368 87:452
88:175 89:444 121:30 122:5 123:1 124:365
125:635 128:149 129:223 130:119 131:313 132:37
133:8 134:163 135:48 136:179 137:97 138:224
139:49 140:520 141:135 142:359 143:192 144:242
145:43 146:324 147:136 148:359 149:177 150:113
151:119 152:76 153:117 154:5 155:220 156:172
157:177 158:165 159:172 160:97 161:85 162:218
163:166 164:447 165:224 166:235 167:244 168:484
169:129 170:362 171:11 190:203 192:5739 193:3421
194:2727 195:2056 196:857 198:3888 199:3320 200:4674
201:927 202:6862 203:7132 204:3921 205:2087 206:2434
207:2950 208:2295 209:3513 210:2190 211:853 212:1313
213:1444 214:368 215:41 216:4062 217:1118 218:340
219:258 220:797 221:387 222:246
End of report
Report Website: http://thyme.apnic.net
