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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Wed 30 Aug, 2006
Analysis Summary
----------------
BGP routing table entries examined: 196177
Prefixes after maximum aggregation: 107268
Unique aggregates announced to Internet: 95269
Total ASes present in the Internet Routing Table: 22995
Origin-only ASes present in the Internet Routing Table: 20025
Origin ASes announcing only one prefix: 9602
Transit ASes present in the Internet Routing Table: 2970
Transit-only ASes present in the Internet Routing Table: 64
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: 9
Number of addresses announced to Internet: 1577644588
Equivalent to 94 /8s, 8 /16s and 242 /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: 97649
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 42899
Total APNIC prefixes after maximum aggregation: 17345
Prefixes being announced from the APNIC address blocks: 40600
Unique aggregates announced from the APNIC address blocks: 18324
APNIC Region origin ASes present in the Internet Routing Table: 2689
APNIC Region origin ASes announcing only one prefix: 768
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: 261819488
Equivalent to 15 /8s, 155 /16s and 12 /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: 99193
Total ARIN prefixes after maximum aggregation: 58866
Prefixes being announced from the ARIN address blocks: 72932
Unique aggregates announced from the ARIN address blocks: 27457
ARIN Region origin ASes present in the Internet Routing Table: 10944
ARIN Region origin ASes announcing only one prefix: 4132
ARIN Region transit ASes present in the Internet Routing Table: 1006
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 296220160
Equivalent to 17 /8s, 167 /16s and 246 /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: 39448
Total RIPE prefixes after maximum aggregation: 26368
Prefixes being announced from the RIPE address blocks: 36399
Unique aggregates announced from the RIPE address blocks: 24568
RIPE Region origin ASes present in the Internet Routing Table: 8417
RIPE Region origin ASes announcing only one prefix: 4420
RIPE Region transit ASes present in the Internet Routing Table: 1383
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 18
Number of RIPE addresses announced to Internet: 261932228
Equivalent to 15 /8s, 156 /16s and 196 /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: 12357
Total LACNIC prefixes after maximum aggregation: 3773
Prefixes being announced from the LACNIC address blocks: 10386
Unique aggregates announced from the LACNIC address blocks: 5983
LACNIC Region origin ASes present in the Internet Routing Table: 719
LACNIC Region origin ASes announcing only one prefix: 237
LACNIC Region transit ASes present in the Internet Routing Table: 128
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 32257792
Equivalent to 1 /8s, 236 /16s and 55 /24s
Percentage of available LACNIC address space announced: 48.1
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: 2278
Total AfriNIC prefixes after maximum aggregation: 916
Prefixes being announced from the AfriNIC address blocks: 1579
Unique aggregates announced from the AfriNIC address blocks: 995
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: 4212992
Equivalent to 0 /8s, 64 /16s and 73 /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 1302 8126 237 CHINANET-BACKBONE
4755 977 255 65 Videsh Sanchar Nigam Ltd. Aut
9583 811 109 15 Sify Limited
9498 800 211 71 BHARTI BT INTERNET LTD.
4766 729 4435 306 Korea Telecom (KIX)
1221 615 1779 471 Telstra Pty Ltd
7545 540 124 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 446 85 18 Reliance Infocom Ltd Internet
17849 410 30 122 Telecommunications Technology
4802 409 84 149 Wantree Development
4812 393 728 59 China Telecom (Shanghai)
17974 373 129 12 PT TELEKOMUNIKASI INDONESIA
17557 356 28 169 Pakistan Telecom
2907 337 1734 312 SINET Japan
4837 320 3539 138 chinanet IDC center beijing n
10139 318 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 961 AT&T WorldNet Services
6197 1025 638 479 BellSouth Network Solutions,
721 997 21926 310 DLA Systems Automation Center
4323 988 766 285 Time Warner Telecom
18566 958 272 8 Covad Communications
701 957 6780 783 UUNET Technologies, Inc.
2386 957 560 723 AT&T Data Communications Serv
174 949 5771 887 Cogent Communications
1239 842 2781 596 Sprint
20115 737 659 386 Charter Communications
19262 736 2272 187 Verizon Global Networks
11492 731 90 15 Cable One
22773 696 1744 46 Cox Communications, Inc.
209 684 3641 539 Qwest
7011 667 207 422 Citizens Utilities
852 589 1068 383 Telus Advanced Communications
19916 563 49 54 OLM LLC
855 562 248 73 Canadian Research Network
5668 533 145 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
702 558 1947 439 UUNET - Commercial IP service
3301 315 1186 300 TeliaNet Sweden
3320 299 5013 242 Deutsche Telekom AG
8220 282 471 267 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 203 1760 97 France Telecom Transpac
3269 202 2246 73 TELECOM ITALIA
30890 202 18 83 SC Kappa Invexim SRL
6830 194 879 43 UPC Distribution Services
8551 184 172 48 Bezeq International
8866 184 37 15 Bulgarian Telecommunication C
5416 180 12 11 BATELCO-BH
3300 170 171 95 AUCS Communications Services
786 168 1762 168 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 227 UniNet S.A. de C.V.
22047 456 206 11 VTR PUNTO NET S.A.
11172 366 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
10481 181 72 8 Prima S.A.
6503 179 166 82 AVANTEL, S.A.
7910 143 9 25 ANDINET ON LINE
19169 136 9 26 Telconet
21826 135 17 23 INTERCABLE
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 111 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 137 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
21280 23 4 4 Swift Global Kenya Ltd.Is an
8524 22 1 5 AUCEGYPT Autonomous System
21491 21 17 2 UTL On-line is RF broadband I
33766 20 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1302 1065 CHINANET-BACKBONE
18566 958 950 Covad Communications
4755 977 912 Videsh Sanchar Nigam Ltd. Aut
9583 811 796 Sify Limited
9498 800 729 BHARTI BT INTERNET LTD.
11492 731 716 Cable One
4323 988 703 Time Warner Telecom
721 997 687 DLA Systems Automation Center
22773 696 650 Cox Communications, Inc.
19262 736 549 Verizon Global Networks
6197 1025 546 BellSouth Network Solutions,
8151 771 544 UniNet S.A. de C.V.
5668 533 515 CenturyTel Internet Holdings,
17488 525 514 Hathway IP Over Cable Interne
19916 563 509 OLM LLC
855 562 489 Canadian Research Network
7545 540 468 TPG Internet Pty Ltd
22047 456 445 VTR PUNTO NET S.A.
17676 497 435 Softbank BB Corp.
15270 465 431 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65010 PRIVATE 203.117.213.0/24 9255 Singapore Telecom
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
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 /15:739 /16:8973 /17:3438 /18:5594
/19:12168 /20:13759 /21:12071 /22:15222 /23:16471 /24:105725
/25:410 /26:412 /27:198 /28:66 /29:42 /30:82
/31:0 /32:47
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 941 958 Covad Communications
6197 804 1025 BellSouth Network Solutions,
7018 773 1479 AT&T WorldNet Services
11492 719 731 Cable One
9583 682 811 Sify Limited
2386 675 957 AT&T Data Communications Serv
7011 572 667 Citizens Utilities
19916 557 563 OLM LLC
4766 540 729 Korea Telecom (KIX)
9498 478 800 BHARTI BT INTERNET LTD.
855 436 562 Canadian Research Network
15270 434 465 PaeTec.net -a division of Pae
5668 416 533 CenturyTel Internet Holdings,
4755 412 977 Videsh Sanchar Nigam Ltd. Aut
1239 400 842 Sprint
17849 397 410 Telecommunications Technology
18101 380 446 Reliance Infocom Ltd Internet
6517 378 412 Yipes Communications, Inc.
22773 368 696 Cox Communications, Inc.
33588 351 372 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:9 8:49 12:1614 13:1 15:15 16:3
17:3 18:4 20:41 24:811 25:1 32:61
38:247 40:54 41:16 44:3 47:6 52:4
55:1 56:3 57:26 58:206 59:258 60:181
61:910 62:887 63:1892 64:3065 65:2225 66:3032
67:645 68:649 69:1599 70:385 71:91 72:889
74:74 75:6 80:769 81:678 82:639 83:390
84:390 85:628 86:380 87:436 88:165 89:428
91:1 121:15 122:6 123:1 124:333 125:612
128:150 129:201 130:118 131:314 132:37 133:8
134:162 135:48 136:177 137:85 138:191 139:49
140:518 141:135 142:367 143:191 144:243 145:41
146:322 147:135 148:353 149:176 150:114 151:117
152:72 153:117 154:5 155:221 156:172 157:177
158:165 159:174 160:93 161:86 162:217 163:166
164:232 165:220 166:183 167:240 168:484 169:127
170:361 171:14 189:1 190:203 192:5733 193:3407
194:2722 195:2039 196:869 198:3900 199:3314 200:4633
201:1040 202:6784 203:7111 204:3902 205:2046 206:2426
207:2973 208:2257 209:3460 210:2114 211:859 212:1291
213:1448 214:361 215:40 216:4068 217:1129 218:336
219:260 220:786 221:359 222:239
End of report
Report Website: http://thyme.apnic.net
