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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 31 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 196427
Prefixes after maximum aggregation: 107280
Unique aggregates announced to Internet: 95211
Total ASes present in the Internet Routing Table: 23006
Origin-only ASes present in the Internet Routing Table: 20049
Origin ASes announcing only one prefix: 9607
Transit ASes present in the Internet Routing Table: 2957
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: 3
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 15
Number of addresses announced to Internet: 1577718316
Equivalent to 94 /8s, 10 /16s and 18 /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: 97930
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43073
Total APNIC prefixes after maximum aggregation: 17335
Prefixes being announced from the APNIC address blocks: 40722
Unique aggregates announced from the APNIC address blocks: 18297
APNIC Region origin ASes present in the Internet Routing Table: 2683
APNIC Region origin ASes announcing only one prefix: 762
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: 261896800
Equivalent to 15 /8s, 156 /16s and 58 /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: 99224
Total ARIN prefixes after maximum aggregation: 58873
Prefixes being announced from the ARIN address blocks: 72971
Unique aggregates announced from the ARIN address blocks: 27493
ARIN Region origin ASes present in the Internet Routing Table: 10948
ARIN Region origin ASes announcing only one prefix: 4135
ARIN Region transit ASes present in the Internet Routing Table: 1004
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296318464
Equivalent to 17 /8s, 169 /16s and 118 /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: 39545
Total RIPE prefixes after maximum aggregation: 26375
Prefixes being announced from the RIPE address blocks: 36482
Unique aggregates announced from the RIPE address blocks: 24541
RIPE Region origin ASes present in the Internet Routing Table: 8427
RIPE Region origin ASes announcing only one prefix: 4427
RIPE Region transit ASes present in the Internet Routing Table: 1372
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261915076
Equivalent to 15 /8s, 156 /16s and 129 /24s
Percentage of available RIPE address space announced: 82.2
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: 12309
Total LACNIC prefixes after maximum aggregation: 3781
Prefixes being announced from the LACNIC address blocks: 10333
Unique aggregates announced from the LACNIC address blocks: 5943
LACNIC Region origin ASes present in the Internet Routing Table: 720
LACNIC Region origin ASes announcing only one prefix: 238
LACNIC Region transit ASes present in the Internet Routing Table: 129
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32332032
Equivalent to 1 /8s, 237 /16s and 89 /24s
Percentage of available LACNIC address space announced: 48.2
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: 2273
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1576
Unique aggregates announced from the AfriNIC address blocks: 1000
AfriNIC Region origin ASes present in the Internet Routing Table: 162
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: 11
Number of AfriNIC addresses announced to Internet: 4217856
Equivalent to 0 /8s, 64 /16s and 92 /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 8125 237 CHINANET-BACKBONE
4755 978 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 948 109 15 Sify Limited
9498 800 211 71 BHARTI BT INTERNET LTD.
4766 730 4435 305 Korea Telecom (KIX)
1221 618 1780 472 Telstra Pty Ltd
7545 539 124 72 TPG Internet Pty Ltd
17488 525 33 11 Hathway IP Over Cable Interne
17676 497 10933 62 Softbank BB Corp.
9443 450 111 83 Primus Telecommunications
18101 447 85 18 Reliance Infocom Ltd Internet
17849 410 30 122 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 394 732 60 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 355 28 169 Pakistan Telecom
2907 338 1734 313 SINET Japan
4837 320 3539 138 chinanet IDC center beijing n
10139 319 23 6 Meridian Telekoms
7474 294 211 229 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1479 6260 955 AT&T WorldNet Services
6197 1027 639 478 BellSouth Network Solutions,
4323 989 774 286 Time Warner Telecom
721 985 21910 308 DLA Systems Automation Center
2386 959 560 727 AT&T Data Communications Serv
701 958 6780 784 UUNET Technologies, Inc.
18566 958 272 8 Covad Communications
174 942 5770 884 Cogent Communications
1239 846 2781 599 Sprint
20115 737 659 386 Charter Communications
19262 736 2272 187 Verizon Global Networks
11492 731 90 14 Cable One
22773 696 1744 46 Cox Communications, Inc.
209 682 3641 536 Qwest
7011 668 207 422 Citizens Utilities
852 587 1068 381 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
5668 536 145 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
702 552 1945 434 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 299 5013 242 Deutsche Telekom AG
8220 281 471 267 COLT Telecommunications
24863 256 42 11 LINKdotNET AS number
680 248 2041 244 DFN-IP service G-WiN
6746 244 90 223 Dynamic Network Technologies,
3246 229 462 219 Song Networks
1257 220 744 167 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 202 18 83 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
3352 166 1655 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 771 1811 228 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 368 98 92 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
6147 277 142 23 Telefonica Del Peru
6471 256 74 30 ENTEL CHILE S.A.
14117 217 13 7 Telefonica del Sur S.A.
7303 182 85 28 Telecom Argentina Stet-France
6503 181 167 84 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
7910 143 9 25 ANDINET ON LINE
21826 140 18 26 INTERCABLE
19169 136 9 26 Telconet
11556 132 96 4 Cable-Wireless Panama
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 110 21 9 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 231 The Internet Solution
8452 175 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 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 107 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
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 21 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 1301 1064 CHINANET-BACKBONE
18566 958 950 Covad Communications
9583 948 933 Sify Limited
4755 978 913 Videsh Sanchar Nigam Ltd. Aut
9498 800 729 BHARTI BT INTERNET LTD.
11492 731 717 Cable One
4323 989 703 Time Warner Telecom
721 985 677 DLA Systems Automation Center
22773 696 650 Cox Communications, Inc.
6197 1027 549 BellSouth Network Solutions,
19262 736 549 Verizon Global Networks
8151 771 543 UniNet S.A. de C.V.
5668 536 518 CenturyTel Internet Holdings,
17488 525 514 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 562 489 Canadian Research Network
7545 539 467 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
65535 PRIVATE 62.112.96.0/19 25513 OJS Moscow city tele
65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp
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
77.192.0.0/16 12654 RIPE NCC RIS Project
77.255.248.0/21 12654 RIPE NCC RIS Project
78.192.0.0/16 12654 RIPE NCC RIS Project
78.255.248.0/21 12654 RIPE NCC RIS Project
79.192.0.0/16 12654 RIPE NCC RIS Project
79.255.248.0/21 12654 RIPE NCC RIS Project
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 /15:740 /16:8971 /17:3442 /18:5602
/19:12170 /20:13766 /21:12060 /22:15234 /23:16485 /24:105927
/25:427 /26:411 /27:197 /28:65 /29:42 /30:81
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 941 958 Covad Communications
6197 806 1027 BellSouth Network Solutions,
9583 779 948 Sify Limited
7018 776 1479 AT&T WorldNet Services
11492 719 731 Cable One
2386 676 959 AT&T Data Communications Serv
7011 573 668 Citizens Utilities
19916 557 563 OLM LLC
4766 541 730 Korea Telecom (KIX)
9498 478 800 BHARTI BT INTERNET LTD.
855 436 562 Canadian Research Network
15270 433 464 PaeTec.net -a division of Pae
5668 419 536 CenturyTel Internet Holdings,
4755 413 978 Videsh Sanchar Nigam Ltd. Aut
1239 404 846 Sprint
17849 397 410 Telecommunications Technology
18101 381 447 Reliance Infocom Ltd Internet
6517 380 413 Yipes Communications, Inc.
22773 368 696 Cox Communications, Inc.
33588 355 376 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:49 12:1615 13:1 15:15 16:3
17:3 18:4 20:41 24:816 25:1 32:61
38:247 40:54 41:15 44:3 47:6 52:4
55:1 56:3 57:26 58:207 59:258 60:189
61:910 62:888 63:1890 64:3072 65:2223 66:3030
67:647 68:651 69:1590 70:386 71:91 72:887
74:75 75:6 80:765 81:693 82:663 83:391
84:387 85:675 86:381 87:437 88:168 89:428
121:15 122:6 123:1 124:347 125:613 128:149
129:202 130:118 131:314 132:37 133:8 134:162
135:48 136:177 137:85 138:225 139:49 140:519
141:135 142:368 143:192 144:243 145:41 146:324
147:136 148:353 149:176 150:113 151:118 152:73
153:117 154:5 155:221 156:172 157:176 158:165
159:174 160:93 161:86 162:218 163:166 164:232
165:220 166:183 167:241 168:485 169:128 170:362
171:14 190:186 192:5732 193:3404 194:2723 195:2043
196:867 198:3899 199:3317 200:4586 201:1043 202:6792
203:7102 204:3906 205:2044 206:2429 207:2972 208:2263
209:3466 210:2163 211:860 212:1288 213:1450 214:368
215:40 216:4068 217:1124 218:337 219:260 220:788
221:384 222:253
End of report
Report Website: http://thyme.apnic.net
