[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 27 18:02:32 UTC 2006
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Routing Table Report 04:00 +10GMT Sat 28 Oct, 2006
Analysis Summary
----------------
BGP routing table entries examined: 201588
Prefixes after maximum aggregation: 109278
Unique aggregates announced to Internet: 97948
Total ASes present in the Internet Routing Table: 23492
Origin-only ASes present in the Internet Routing Table: 20462
Origin ASes announcing only one prefix: 9840
Transit ASes present in the Internet Routing Table: 3030
Transit-only ASes present in the Internet Routing Table: 78
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: 1
Unregistered ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 1621962480
Equivalent to 96 /8s, 173 /16s and 46 /24s
Percentage of available address space announced: 43.8
Percentage of allocated address space announced: 60.5
Percentage of available address space allocated: 72.3
Total number of prefixes smaller than registry allocations: 101380
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 44214
Total APNIC prefixes after maximum aggregation: 17732
Prefixes being announced from the APNIC address blocks: 41802
Unique aggregates announced from the APNIC address blocks: 18547
APNIC Region origin ASes present in the Internet Routing Table: 2736
APNIC Region origin ASes announcing only one prefix: 762
APNIC Region transit ASes present in the Internet Routing Table: 413
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 265045600
Equivalent to 15 /8s, 204 /16s and 70 /24s
Percentage of available APNIC address space announced: 82.9
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: 101164
Total ARIN prefixes after maximum aggregation: 59714
Prefixes being announced from the ARIN address blocks: 74325
Unique aggregates announced from the ARIN address blocks: 28105
ARIN Region origin ASes present in the Internet Routing Table: 11096
ARIN Region origin ASes announcing only one prefix: 4221
ARIN Region transit ASes present in the Internet Routing Table: 1034
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 29
Number of ARIN addresses announced to Internet: 307322752
Equivalent to 18 /8s, 81 /16s and 95 /24s
Percentage of available ARIN address space announced: 67.8
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, 96/6, 199/8, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 40878
Total RIPE prefixes after maximum aggregation: 27061
Prefixes being announced from the RIPE address blocks: 37833
Unique aggregates announced from the RIPE address blocks: 25312
RIPE Region origin ASes present in the Internet Routing Table: 8675
RIPE Region origin ASes announcing only one prefix: 4566
RIPE Region transit ASes present in the Internet Routing Table: 1395
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 269882372
Equivalent to 16 /8s, 22 /16s and 20 /24s
Percentage of available RIPE address space announced: 73.1
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: 12989
Total LACNIC prefixes after maximum aggregation: 3842
Prefixes being announced from the LACNIC address blocks: 10964
Unique aggregates announced from the LACNIC address blocks: 6696
LACNIC Region origin ASes present in the Internet Routing Table: 743
LACNIC Region origin ASes announcing only one prefix: 244
LACNIC Region transit ASes present in the Internet Routing Table: 130
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC addresses announced to Internet: 33581312
Equivalent to 2 /8s, 0 /16s and 105 /24s
Percentage of available LACNIC address space announced: 50.0
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: 2342
Total AfriNIC prefixes after maximum aggregation: 929
Prefixes being announced from the AfriNIC address blocks: 1607
Unique aggregates announced from the AfriNIC address blocks: 1070
AfriNIC Region origin ASes present in the Internet Routing Table: 164
AfriNIC Region origin ASes announcing only one prefix: 47
AfriNIC Region transit ASes present in the Internet Routing Table: 27
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 4322048
Equivalent to 0 /8s, 65 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 12.9
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 1250 8392 243 CHINANET-BACKBONE
4755 1014 383 66 Videsh Sanchar Nigam Ltd. Aut
9583 941 109 15 Sify Limited
9498 863 212 64 BHARTI BT INTERNET LTD.
4766 739 4436 306 Korea Telecom (KIX)
1221 611 1780 469 Telstra Pty Ltd
7545 543 124 73 TPG Internet Pty Ltd
17488 542 34 14 Hathway IP Over Cable Interne
17676 500 10934 64 Softbank BB Corp.
18101 464 86 21 Reliance Infocom Ltd Internet
9443 454 111 74 Primus Telecommunications
4812 437 745 61 China Telecom (Shanghai)
9942 431 77 125 COMindico Australia
17849 430 36 126 Telecommunications Technology
4802 412 86 150 Wantree Development
17557 365 31 176 Pakistan Telecom
17974 365 129 12 PT TELEKOMUNIKASI INDONESIA
10139 362 23 6 Meridian Telekoms
2907 333 1733 310 SINET Japan
4837 324 3556 140 chinanet IDC center beijing n
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1541 6210 995 AT&T WorldNet Services
2386 1186 620 756 AT&T Data Communications Serv
4323 1030 786 291 Time Warner Telecom
6197 1020 638 484 BellSouth Network Solutions,
18566 969 272 8 Covad Communications
721 962 21925 306 DLA Systems Automation Center
174 955 6822 880 Cogent Communications
701 952 6721 773 UUNET Technologies, Inc.
1239 847 2764 596 Sprint
11492 781 96 16 Cable One
19262 777 2430 178 Verizon Global Networks
20115 754 679 397 Charter Communications
22773 716 1744 46 Cox Communications, Inc.
209 707 3761 556 Qwest
7011 682 208 423 Citizens Utilities
852 592 1071 388 Telus Advanced Communications
19916 565 49 54 OLM LLC
855 539 250 74 Canadian Research Network
5668 539 145 18 CenturyTel Internet Holdings,
6478 533 1289 335 AT&T Worldnet Services
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 546 1928 425 UUNET - Commercial IP service
3301 314 1200 298 TeliaNet Sweden
3320 307 5016 248 Deutsche Telekom AG
24863 274 41 30 LINKdotNET AS number
8220 273 470 263 COLT Telecommunications
680 251 2041 247 DFN-IP service G-WiN
6746 246 91 223 Dynamic Network Technologies,
3246 227 469 217 Song Networks
9116 225 134 23 Goldenlines main autonomous s
8708 223 279 210 Romania Data Systems S.A.
3215 219 1952 92 France Telecom Transpac
8551 216 198 28 Bezeq International
1257 213 740 169 SWIPnet Swedish IP Network
3269 206 2341 74 TELECOM ITALIA
30890 205 18 78 SC Kappa Invexim SRL
6830 200 879 43 UPC Distribution Services
5416 187 12 12 BATELCO-BH
3300 175 171 95 AUCS Communications Services
786 171 1779 171 The JANET IP Service
3352 168 1703 31 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 749 1906 216 UniNet S.A. de C.V.
11830 460 299 19 Instituto Costarricense de El
11172 433 101 88 Servicios Alestra S.A de C.V
16814 329 20 8 NSS, S.A.
22047 303 206 11 VTR PUNTO NET S.A.
6147 269 150 22 Telefonica Del Peru
6471 267 74 30 ENTEL CHILE S.A.
14117 240 15 10 Telefonica del Sur S.A.
7303 208 93 35 Telecom Argentina Stet-France
6503 195 169 86 AVANTEL, S.A.
10481 181 72 8 Prima S.A.
21826 145 19 30 INTERCABLE
19169 136 9 21 Telconet
19429 136 84 40 E.T.B.
23216 135 19 43 RAMtelecom Telecomunicaciones
7910 134 9 23 ANDINET ON LINE
11556 132 96 4 Cable-Wireless Panama
18822 129 8 10 TELEFONICA MANQUEHUE
7738 119 442 21 Telecomunicacoes da Bahia S.A
14522 117 18 9 SatNet S.A.
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 295 804 234 The Internet Solution
8452 166 60 7 TEDATA
6713 145 139 12 Itissalat Al-MAGHRIB
2018 133 297 111 Tertiary Education Network
15475 133 84 4 Nile Online
5536 122 8 17 Internet Egypt Network
24835 116 48 6 RAYA Telecom - Egypt
33783 109 6 3 EEPAD TISP TELECOM & INTERNET
2905 75 157 68 The Internetworking Company o
2561 56 6 2 Egyptian Universities Network
15706 52 12 4 Sudatel Internet Exchange Aut
12455 39 6 3 Jambonet Autonomous system
5713 36 293 32 Telkom SA Ltd
33774 34 7 21 AS Number for Telecom Algeria
8524 30 2 6 AUCEGYPT Autonomous System
23889 29 9 13 MAURITIUS TELECOM
21280 26 4 4 Swift Global Kenya Ltd.Is an
16637 24 19 23 Johnnic e-Ventures
10798 23 1 14 Standard Bank of South Africa
21491 21 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4134 1250 1007 CHINANET-BACKBONE
18566 969 961 Covad Communications
4755 1014 948 Videsh Sanchar Nigam Ltd. Aut
9583 941 926 Sify Limited
9498 863 799 BHARTI BT INTERNET LTD.
11492 781 765 Cable One
4323 1030 739 Time Warner Telecom
22773 716 670 Cox Communications, Inc.
721 962 656 DLA Systems Automation Center
19262 777 599 Verizon Global Networks
6197 1020 536 BellSouth Network Solutions,
8151 749 533 UniNet S.A. de C.V.
17488 542 528 Hathway IP Over Cable Interne
5668 539 521 CenturyTel Internet Holdings,
19916 565 511 OLM LLC
7545 543 470 TPG Internet Pty Ltd
855 539 465 Canadian Research Network
15270 481 446 PaeTec.net -a division of Pae
18101 464 443 Reliance Infocom Ltd Internet
11830 460 441 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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 /8:19 /9:10 /10:13 /11:29 /12:107
/13:216 /14:389 /15:779 /16:9046 /17:3513 /18:5749
/19:12615 /20:14125 /21:12489 /22:15857 /23:17261 /24:108018
/25:465 /26:371 /27:211 /28:71 /29:41 /30:152
/31:0 /32:42
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 952 969 Covad Communications
2386 897 1186 AT&T Data Communications Serv
7018 817 1541 AT&T WorldNet Services
6197 799 1020 BellSouth Network Solutions,
9583 770 941 Sify Limited
11492 767 781 Cable One
7011 590 682 Citizens Utilities
19916 559 565 OLM LLC
4766 549 739 Korea Telecom (KIX)
9498 523 863 BHARTI BT INTERNET LTD.
15270 450 481 PaeTec.net -a division of Pae
4755 445 1014 Videsh Sanchar Nigam Ltd. Aut
855 434 539 Canadian Research Network
1239 421 847 Sprint
5668 420 539 CenturyTel Internet Holdings,
17849 416 430 Telecommunications Technology
18101 397 464 Reliance Infocom Ltd Internet
22773 379 716 Cox Communications, Inc.
33588 370 391 Bresnan Communications, LLC.
17488 362 542 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:7 6:1 8:54 12:1642 13:1 15:16
16:3 17:3 18:4 20:38 24:829 25:1
32:58 38:260 40:57 41:18 44:4 47:7
52:4 53:1 55:1 56:3 57:25 58:235
59:304 60:216 61:946 62:1017 63:1880 64:3096
65:2241 66:3057 67:651 68:653 69:1677 70:406
71:109 72:992 74:92 75:9 80:842 81:710
82:631 83:379 84:438 85:685 86:415 87:414
88:237 89:537 91:27 121:57 122:18 124:431
125:674 128:286 129:203 130:123 131:315 132:35
133:9 134:167 135:50 136:178 137:113 138:207
139:47 140:528 141:132 142:344 143:193 144:243
145:43 146:318 147:137 148:371 149:176 150:115
151:121 152:80 153:122 154:5 155:258 156:160
157:162 158:152 159:172 160:100 161:86 162:214
163:179 164:238 165:236 166:239 167:284 168:484
169:128 170:386 171:11 172:1 189:4 190:257
192:5750 193:3538 194:2745 195:2106 196:858 198:3888
199:3312 200:4524 201:934 202:6954 203:7121 204:3927
205:2104 206:2435 207:2954 208:2322 209:3535 210:2174
211:875 212:1342 213:1465 214:381 215:39 216:4074
217:1138 218:340 219:263 220:791 221:373 222:231
End of report
Report Website: http://thyme.apnic.net
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