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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Mon 25 Sep, 2006
Analysis Summary
----------------
BGP routing table entries examined: 198551
Prefixes after maximum aggregation: 108307
Unique aggregates announced to Internet: 96230
Total ASes present in the Internet Routing Table: 23164
Origin-only ASes present in the Internet Routing Table: 20196
Origin ASes announcing only one prefix: 9683
Transit ASes present in the Internet Routing Table: 2968
Transit-only ASes present in the Internet Routing Table: 69
Average AS path length visible in the Internet Routing Table: 3.5
Max AS path length visible: 29
Max AS path prepend of ASN (36728) 27
Prefixes from unregistered ASNs in the Routing Table: 8
Unregistered ASNs in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1592640780
Equivalent to 94 /8s, 237 /16s and 197 /24s
Percentage of available address space announced: 43.0
Percentage of allocated address space announced: 61.0
Percentage of available address space allocated: 70.5
Total number of prefixes smaller than registry allocations: 99336
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 43653
Total APNIC prefixes after maximum aggregation: 17516
Prefixes being announced from the APNIC address blocks: 41247
Unique aggregates announced from the APNIC address blocks: 18393
APNIC Region origin ASes present in the Internet Routing Table: 2703
APNIC Region origin ASes announcing only one prefix: 762
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: 262558816
Equivalent to 15 /8s, 166 /16s and 84 /24s
Percentage of available APNIC address space announced: 82.1
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: 100273
Total ARIN prefixes after maximum aggregation: 59439
Prefixes being announced from the ARIN address blocks: 73563
Unique aggregates announced from the ARIN address blocks: 27763
ARIN Region origin ASes present in the Internet Routing Table: 10996
ARIN Region origin ASes announcing only one prefix: 4160
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: 29
Number of ARIN addresses announced to Internet: 301869056
Equivalent to 17 /8s, 254 /16s and 40 /24s
Percentage of available ARIN address space announced: 78.2
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: 40120
Total RIPE prefixes after maximum aggregation: 26649
Prefixes being announced from the RIPE address blocks: 37075
Unique aggregates announced from the RIPE address blocks: 24916
RIPE Region origin ASes present in the Internet Routing Table: 8509
RIPE Region origin ASes announcing only one prefix: 4463
RIPE Region transit ASes present in the Internet Routing Table: 1372
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 266114724
Equivalent to 15 /8s, 220 /16s and 150 /24s
Percentage of available RIPE address space announced: 72.1
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, 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: 12194
Total LACNIC prefixes after maximum aggregation: 3786
Prefixes being announced from the LACNIC address blocks: 10209
Unique aggregates announced from the LACNIC address blocks: 6102
LACNIC Region origin ASes present in the Internet Routing Table: 727
LACNIC Region origin ASes announcing only one prefix: 250
LACNIC Region transit ASes present in the Internet Routing Table: 126
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 32739840
Equivalent to 1 /8s, 243 /16s and 146 /24s
Percentage of available LACNIC address space announced: 48.8
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: 2303
Total AfriNIC prefixes after maximum aggregation: 917
Prefixes being announced from the AfriNIC address blocks: 1599
Unique aggregates announced from the AfriNIC address blocks: 1061
AfriNIC Region origin ASes present in the Internet Routing Table: 160
AfriNIC Region origin ASes announcing only one prefix: 48
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: 14
Number of AfriNIC addresses announced to Internet: 4238336
Equivalent to 0 /8s, 64 /16s and 172 /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 1239 8156 238 CHINANET-BACKBONE
4755 994 255 66 Videsh Sanchar Nigam Ltd. Aut
9583 956 109 19 Sify Limited
9498 852 212 72 BHARTI BT INTERNET LTD.
4766 740 4436 307 Korea Telecom (KIX)
1221 607 1780 465 Telstra Pty Ltd
7545 540 124 74 TPG Internet Pty Ltd
17488 534 33 12 Hathway IP Over Cable Interne
17676 499 10933 63 Softbank BB Corp.
9443 454 111 74 Primus Telecommunications
18101 454 85 18 Reliance Infocom Ltd Internet
9942 430 77 126 COMindico Australia
17849 424 31 127 Telecommunications Technology
4802 411 84 150 Wantree Development
4812 397 741 61 China Telecom (Shanghai)
17974 375 129 12 PT TELEKOMUNIKASI INDONESIA
17557 339 27 165 Pakistan Telecom
2907 337 1734 313 SINET Japan
10139 334 23 6 Meridian Telekoms
4837 323 3554 139 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1520 6276 989 AT&T WorldNet Services
2386 1165 578 841 AT&T Data Communications Serv
6197 1030 640 479 BellSouth Network Solutions,
4323 1021 782 289 Time Warner Telecom
721 979 21909 306 DLA Systems Automation Center
174 968 6825 898 Cogent Communications
18566 962 272 8 Covad Communications
701 949 6742 779 UUNET Technologies, Inc.
1239 841 2763 591 Sprint
19262 743 2328 186 Verizon Global Networks
11492 742 90 13 Cable One
20115 741 663 385 Charter Communications
22773 706 1744 46 Cox Communications, Inc.
209 705 3631 555 Qwest
7011 667 207 421 Citizens Utilities
852 588 1070 386 Telus Advanced Communications
6478 586 1265 381 AT&T Worldnet Services
19916 565 49 54 OLM LLC
855 552 249 74 Canadian Research Network
5668 535 145 18 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 547 1929 427 UUNET - Commercial IP service
3301 315 1186 299 TeliaNet Sweden
3320 297 5013 242 Deutsche Telekom AG
8220 279 455 265 COLT Telecommunications
24863 273 41 30 LINKdotNET AS number
680 249 2041 245 DFN-IP service G-WiN
6746 238 90 217 Dynamic Network Technologies,
3246 228 469 218 Song Networks
9116 226 134 23 Goldenlines main autonomous s
1257 222 740 169 SWIPnet Swedish IP Network
8708 216 278 203 Romania Data Systems S.A.
3215 208 1832 96 France Telecom Transpac
3269 204 2262 74 TELECOM ITALIA
8551 202 182 27 Bezeq International
30890 201 18 79 SC Kappa Invexim SRL
6830 198 879 43 UPC Distribution Services
8866 186 37 15 Bulgarian Telecommunication C
5416 181 12 11 BATELCO-BH
3300 174 171 97 AUCS Communications Services
786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 638 1810 223 UniNet S.A. de C.V.
11172 370 98 90 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 274 142 23 Telefonica Del Peru
6471 255 74 30 ENTEL CHILE S.A.
14117 216 13 7 Telefonica del Sur S.A.
7303 188 88 19 Telecom Argentina Stet-France
6503 183 167 83 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
23216 144 21 10 RAMtelecom Telecomunicaciones
21826 141 18 25 INTERCABLE
7910 139 9 14 ANDINET ON LINE
19429 135 83 37 E.T.B.
19169 134 8 28 Telconet
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
14522 116 18 9 SatNet S.A.
7738 113 410 20 Telecomunicacoes da Bahia S.A
14259 112 10 15 GTD Internet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 288 803 232 The Internet Solution
8452 171 60 7 TEDATA
6713 144 135 11 Itissalat Al-MAGHRIB
15475 141 84 4 Nile Online
2018 133 297 111 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 80 159 71 The Internetworking Company o
2561 55 6 2 Egyptian Universities Network
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 26 8 11 MAURITIUS TELECOM
16637 25 19 23 Johnnic e-Ventures
21280 24 4 4 Swift Global Kenya Ltd.Is an
10798 23 1 14 Standard Bank of South Africa
8524 22 1 5 AUCEGYPT Autonomous System
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 1239 1001 CHINANET-BACKBONE
18566 962 954 Covad Communications
9583 956 937 Sify Limited
4755 994 928 Videsh Sanchar Nigam Ltd. Aut
9498 852 780 BHARTI BT INTERNET LTD.
4323 1021 732 Time Warner Telecom
11492 742 729 Cable One
721 979 673 DLA Systems Automation Center
22773 706 660 Cox Communications, Inc.
19262 743 557 Verizon Global Networks
6197 1030 551 BellSouth Network Solutions,
17488 534 522 Hathway IP Over Cable Interne
5668 535 517 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
855 552 478 Canadian Research Network
7545 540 466 TPG Internet Pty Ltd
17676 499 436 Softbank BB Corp.
18101 454 436 Reliance Infocom Ltd Internet
4766 740 433 Korea Telecom (KIX)
15270 464 429 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65450 PRIVATE 170.65.44.0/24 2009 INFONET
65450 PRIVATE 170.65.45.0/24 2009 INFONET
65450 PRIVATE 170.65.46.0/24 2009 INFONET
65450 PRIVATE 170.65.47.0/24 2009 INFONET
65120 PRIVATE 170.65.186.0/24 2009 INFONET
65102 PRIVATE 170.65.190.0/24 2009 INFONET
65068 PRIVATE 196.21.26.0/24 2018 Tertiary Education N
24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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
172.33.1.0/24 7018 AT&T WorldNet Services
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 /12:106
/13:212 /14:384 /15:760 /16:9020 /17:3479 /18:5682
/19:12285 /20:13851 /21:12196 /22:15471 /23:16863 /24:106887
/25:429 /26:429 /27:187 /28:65 /29:42 /30:85
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 945 962 Covad Communications
2386 881 1165 AT&T Data Communications Serv
6197 809 1030 BellSouth Network Solutions,
7018 792 1520 AT&T WorldNet Services
9583 783 956 Sify Limited
11492 730 742 Cable One
7011 572 667 Citizens Utilities
19916 559 565 OLM LLC
4766 549 740 Korea Telecom (KIX)
9498 509 852 BHARTI BT INTERNET LTD.
15270 433 464 PaeTec.net -a division of Pae
855 432 552 Canadian Research Network
4755 428 994 Videsh Sanchar Nigam Ltd. Aut
5668 418 535 CenturyTel Internet Holdings,
17849 412 424 Telecommunications Technology
1239 409 841 Sprint
18101 388 454 Reliance Infocom Ltd Internet
22773 372 706 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
17488 354 534 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 8:50 12:1655 13:1 15:16 16:3
17:3 18:4 20:41 24:822 25:1 32:57
38:256 40:56 41:18 44:3 47:6 52:4
55:1 56:3 57:24 58:233 59:265 60:179
61:903 62:887 63:1894 64:3095 65:2237 66:3059
67:643 68:656 69:1638 70:393 71:89 72:932
74:79 75:7 80:824 81:682 82:597 83:402
84:400 85:646 86:420 87:460 88:190 89:472
121:34 122:14 123:1 124:378 125:641 128:277
129:230 130:119 131:311 132:37 133:9 134:167
135:51 136:177 137:97 138:224 139:51 140:523
141:134 142:363 143:191 144:243 145:42 146:319
147:136 148:358 149:174 150:114 151:121 152:76
153:122 154:5 155:231 156:158 157:196 158:156
159:174 160:98 161:85 162:218 163:167 164:231
165:225 166:237 167:250 168:488 169:129 170:377
171:11 172:1 190:207 192:5735 193:3486 194:2733
195:2071 196:873 198:3882 199:3321 200:4450 201:933
202:6907 203:7158 204:3932 205:2096 206:2436 207:2937
208:2305 209:3500 210:2179 211:835 212:1355 213:1474
214:372 215:40 216:4036 217:1144 218:337 219:257
220:796 221:384 222:231
End of report
Report Website: http://thyme.apnic.net
