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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 23 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 195403
Prefixes after maximum aggregation: 107162
Unique aggregates announced to Internet: 95005
Total ASes present in the Internet Routing Table: 22938
Origin-only ASes present in the Internet Routing Table: 19961
Origin ASes announcing only one prefix: 9569
Transit ASes present in the Internet Routing Table: 2977
Transit-only ASes present in the Internet Routing Table: 71
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: 24
Unregistered ASNs in the Routing Table: 3
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 1576898988
Equivalent to 93 /8s, 253 /16s and 145 /24s
Percentage of available address space announced: 42.5
Percentage of allocated address space announced: 61.5
Percentage of available address space allocated: 69.1
Total number of prefixes smaller than registry allocations: 97174
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42595
Total APNIC prefixes after maximum aggregation: 17377
Prefixes being announced from the APNIC address blocks: 40285
Unique aggregates announced from the APNIC address blocks: 18237
APNIC Region origin ASes present in the Internet Routing Table: 2679
APNIC Region origin ASes announcing only one prefix: 761
APNIC Region transit ASes present in the Internet Routing Table: 398
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 24
Number of APNIC addresses announced to Internet: 261754976
Equivalent to 15 /8s, 154 /16s and 16 /24s
Percentage of available APNIC address space announced: 81.8
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: 98941
Total ARIN prefixes after maximum aggregation: 58825
Prefixes being announced from the ARIN address blocks: 72642
Unique aggregates announced from the ARIN address blocks: 27396
ARIN Region origin ASes present in the Internet Routing Table: 10918
ARIN Region origin ASes announcing only one prefix: 4122
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: 295992832
Equivalent to 17 /8s, 164 /16s and 126 /24s
Percentage of available ARIN address space announced: 76.7
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: 39308
Total RIPE prefixes after maximum aggregation: 26297
Prefixes being announced from the RIPE address blocks: 36256
Unique aggregates announced from the RIPE address blocks: 24495
RIPE Region origin ASes present in the Internet Routing Table: 8395
RIPE Region origin ASes announcing only one prefix: 4403
RIPE Region transit ASes present in the Internet Routing Table: 1381
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 261785156
Equivalent to 15 /8s, 154 /16s and 134 /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: 12278
Total LACNIC prefixes after maximum aggregation: 3750
Prefixes being announced from the LACNIC address blocks: 10333
Unique aggregates announced from the LACNIC address blocks: 5951
LACNIC Region origin ASes present in the Internet Routing Table: 715
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: 23
Number of LACNIC addresses announced to Internet: 32152576
Equivalent to 1 /8s, 234 /16s and 156 /24s
Percentage of available LACNIC address space announced: 47.9
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: 2257
Total AfriNIC prefixes after maximum aggregation: 913
Prefixes being announced from the AfriNIC address blocks: 1576
Unique aggregates announced from the AfriNIC address blocks: 999
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: 25
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 4210176
Equivalent to 0 /8s, 64 /16s and 62 /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 1297 7981 238 CHINANET-BACKBONE
4755 971 255 67 Videsh Sanchar Nigam Ltd. Aut
9583 843 109 15 Sify Limited
9498 792 211 70 BHARTI BT INTERNET LTD.
4766 703 4435 304 Korea Telecom (KIX)
1221 611 1779 468 Telstra Pty Ltd
7545 543 124 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 443 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
17557 358 29 166 Pakistan Telecom
4802 356 84 149 Wantree Development
2907 336 1733 311 SINET Japan
4837 319 3539 137 chinanet IDC center beijing n
10139 299 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 1479 6259 954 AT&T WorldNet Services
6197 1016 635 477 BellSouth Network Solutions,
721 1004 21942 310 DLA Systems Automation Center
4323 982 748 279 Time Warner Telecom
701 962 6782 788 UUNET Technologies, Inc.
2386 957 560 722 AT&T Data Communications Serv
18566 956 272 8 Covad Communications
174 944 5771 889 Cogent Communications
1239 841 2779 594 Sprint
20115 735 658 384 Charter Communications
19262 734 2252 188 Verizon Global Networks
11492 725 90 16 Cable One
22773 692 1744 46 Cox Communications, Inc.
209 686 3641 541 Qwest
7011 670 225 425 Citizens Utilities
852 587 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
702 559 1947 440 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 298 5013 241 Deutsche Telekom AG
8220 280 471 266 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 186 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 769 1811 227 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.
6503 183 167 84 AVANTEL, S.A.
7303 181 84 28 Telecom Argentina Stet-France
10481 181 72 8 Prima S.A.
7910 144 9 25 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 283 803 231 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 38 294 34 Telkom SA Ltd
33774 31 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
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
12455 20 6 3 Jambonet Autonomous system
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1297 1059 CHINANET-BACKBONE
18566 956 948 Covad Communications
4755 971 904 Videsh Sanchar Nigam Ltd. Aut
9583 843 828 Sify Limited
9498 792 722 BHARTI BT INTERNET LTD.
11492 725 709 Cable One
4323 982 703 Time Warner Telecom
721 1004 694 DLA Systems Automation Center
22773 692 646 Cox Communications, Inc.
19262 734 546 Verizon Global Networks
8151 769 542 UniNet S.A. de C.V.
6197 1016 539 BellSouth Network Solutions,
5668 532 514 CenturyTel Internet Holdings,
19916 563 509 OLM LLC
17488 522 504 Hathway IP Over Cable Interne
855 560 486 Canadian Research Network
7545 543 470 TPG Internet Pty Ltd
22047 456 445 VTR PUNTO NET S.A.
17676 497 435 Softbank BB Corp.
3602 534 429 Sprint Canada, Inc.
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
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 /8:18 /9:9 /10:13 /11:30 /12:103
/13:209 /14:376 /15:738 /16:8966 /17:3424 /18:5589
/19:12144 /20:13712 /21:12013 /22:15166 /23:16379 /24:105262
/25:416 /26:403 /27:198 /28:66 /29:42 /30:81
/31:0 /32:46
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 939 956 Covad Communications
6197 797 1016 BellSouth Network Solutions,
7018 777 1479 AT&T WorldNet Services
11492 713 725 Cable One
2386 675 957 AT&T Data Communications Serv
9583 674 843 Sify Limited
7011 573 670 Citizens Utilities
19916 557 563 OLM LLC
4766 514 703 Korea Telecom (KIX)
9498 472 792 BHARTI BT INTERNET LTD.
855 434 560 Canadian Research Network
15270 430 461 PaeTec.net -a division of Pae
5668 414 532 CenturyTel Internet Holdings,
4755 407 971 Videsh Sanchar Nigam Ltd. Aut
1239 401 841 Sprint
17849 397 410 Telecommunications Technology
18101 377 443 Reliance Infocom Ltd Internet
6517 376 411 Yipes Communications, Inc.
22773 365 692 Cox Communications, Inc.
33588 351 372 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:49 12:1621 13:1 15:15 16:3
17:3 18:4 20:41 24:810 25:1 32:61
38:244 40:53 41:15 44:3 47:6 52:4
55:1 56:3 57:26 58:208 59:259 60:189
61:913 62:834 63:1891 64:3047 65:2207 66:3012
67:641 68:653 69:1601 70:380 71:88 72:879
74:67 75:5 80:776 81:683 82:650 83:385
84:386 85:581 86:398 87:440 88:160 89:410
91:1 121:15 122:6 123:1 124:328 125:589
128:156 129:201 130:119 131:315 132:31 133:8
134:161 135:48 136:177 137:84 138:214 139:49
140:525 141:135 142:365 143:189 144:242 145:41
146:313 147:141 148:353 149:189 150:114 151:115
152:72 153:117 154:5 155:216 156:176 157:177
158:164 159:173 160:94 161:85 162:218 163:165
164:233 165:221 166:183 167:243 168:485 169:125
170:355 171:14 190:199 192:5738 193:3403 194:2714
195:2028 196:871 198:3893 199:3301 200:4627 201:1028
202:6772 203:7001 204:3900 205:2017 206:2432 207:2961
208:2232 209:3458 210:2091 211:833 212:1280 213:1455
214:360 215:41 216:4064 217:1149 218:328 219:253
220:775 221:367 222:229
End of report
Report Website: http://thyme.apnic.net
