[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Jul 21 04:03:32 EST 2007
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 21 Jul, 2007
Report Website: http://thyme.apnic.net
This report: http://thyme.apnic.net/ap-data/2007/07/21/0400
Analysis Summary
----------------
BGP routing table entries examined: 226170
Prefixes after maximum aggregation: 118939
Deaggregation factor: 1.90
Unique aggregates announced to Internet: 109985
Total ASes present in the Internet Routing Table: 25742
Prefixes per ASN: 8.79
Origin-only ASes present in the Internet Routing Table: 22440
Origin ASes announcing only one prefix: 10932
Transit ASes present in the Internet Routing Table: 3302
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 22
Max AS path prepend of ASN (35389) 16
Prefixes from unregistered ASNs in the Routing Table: 9
Unregistered ASNs in the Routing Table: 11
Prefixes from 32-bit ASNs in the Routing Table: 4
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 11
Number of addresses announced to Internet: 1739111776
Equivalent to 103 /8s, 168 /16s and 189 /24s
Percentage of available address space announced: 46.9
Percentage of allocated address space announced: 62.2
Percentage of available address space allocated: 75.5
Total number of prefixes smaller than registry allocations: 119103
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 53054
Total APNIC prefixes after maximum aggregation: 20706
APNIC Deaggregation factor: 2.56
Prefixes being announced from the APNIC address blocks: 49994
Unique aggregates announced from the APNIC address blocks: 21984
APNIC Region origin ASes present in the Internet Routing Table: 3017
APNIC Prefixes per ASN: 16.57
APNIC Region origin ASes announcing only one prefix: 804
APNIC Region transit ASes present in the Internet Routing Table: 459
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 304990112
Equivalent to 18 /8s, 45 /16s and 199 /24s
Percentage of available APNIC address space announced: 75.5
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, 116/6, 120/6, 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: 107407
Total ARIN prefixes after maximum aggregation: 62361
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 79061
Unique aggregates announced from the ARIN address blocks: 31348
ARIN Region origin ASes present in the Internet Routing Table: 11687
ARIN Prefixes per ASN: 6.76
ARIN Region origin ASes announcing only one prefix: 4510
ARIN Region transit ASes present in the Internet Routing Table: 1070
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 339579648
Equivalent to 20 /8s, 61 /16s and 147 /24s
Percentage of available ARIN address space announced: 75.0
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: 47527
Total RIPE prefixes after maximum aggregation: 30532
RIPE Deaggregation factor: 1.56
Prefixes being announced from the RIPE address blocks: 43887
Unique aggregates announced from the RIPE address blocks: 28978
RIPE Region origin ASes present in the Internet Routing Table: 9934
RIPE Prefixes per ASN: 4.42
RIPE Region origin ASes announcing only one prefix: 5287
RIPE Region transit ASes present in the Internet Routing Table: 1567
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 322707072
Equivalent to 19 /8s, 60 /16s and 30 /24s
Percentage of available RIPE address space announced: 80.1
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
40960-44031
RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7,
212/7 and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 15587
Total LACNIC prefixes after maximum aggregation: 4302
LACNIC Deaggregation factor: 3.62
Prefixes being announced from the LACNIC address blocks: 13621
Unique aggregates announced from the LACNIC address blocks: 7720
LACNIC Region origin ASes present in the Internet Routing Table: 830
LACNIC Prefixes per ASN: 16.41
LACNIC Region origin ASes announcing only one prefix: 269
LACNIC Region transit ASes present in the Internet Routing Table: 137
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC addresses announced to Internet: 40740352
Equivalent to 2 /8s, 109 /16s and 166 /24s
Percentage of available LACNIC address space announced: 60.7
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: 2587
Total AfriNIC prefixes after maximum aggregation: 1030
AfriNIC Deaggregation factor: 2.51
Prefixes being announced from the AfriNIC address blocks: 2111
Unique aggregates announced from the AfriNIC address blocks: 1274
AfriNIC Region origin ASes present in the Internet Routing Table: 199
AfriNIC Prefixes per ASN: 10.61
AfriNIC Region origin ASes announcing only one prefix: 62
AfriNIC Region transit ASes present in the Internet Routing Table: 34
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 6345472
Equivalent to 0 /8s, 96 /16s and 211 /24s
Percentage of available AfriNIC address space announced: 18.9
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 1362 10842 286 CHINANET-BACKBONE
4755 1278 382 71 Videsh Sanchar Nigam Ltd. Aut
9583 1117 80 401 Sify Limited
9498 977 533 70 BHARTI BT INTERNET LTD.
23577 796 34 691 Korea Telecom (ATM-MPLS)
4766 786 4929 314 Korea Telecom (KIX)
17488 727 47 56 Hathway IP Over Cable Interne
7545 692 150 112 TPG Internet Pty Ltd
18101 573 117 41 Reliance Infocom Ltd Internet
1221 546 1951 424 Telstra Pty Ltd
4812 527 913 95 China Telecom (Shanghai)
4668 512 68 10 LG-EDS Systems Inc.
17676 504 10935 65 Softbank BB Corp.
9443 472 122 77 Primus Telecommunications
7474 412 218 270 SingTel Optus Pty Ltd
4802 411 105 151 Wantree Development
17974 373 130 13 PT TELEKOMUNIKASI INDONESIA
9829 362 258 14 BSNL National Internet Backbo
4808 360 669 120 CNCGROUP IP network: China169
17557 352 57 174 Pakistan Telecom
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1462 6074 988 AT&T WorldNet Services
4323 1321 1021 374 Time Warner Telecom
2386 1209 633 754 AT&T Data Communications Serv
6478 1113 316 162 AT&T Worldnet Services
11492 1102 107 24 Cable One
6197 1024 717 507 BellSouth Network Solutions,
18566 1015 288 9 Covad Communications
174 964 6778 854 Cogent Communications
701 947 6563 723 UUNET Technologies, Inc.
7011 893 256 542 Citizens Utilities
1239 812 2741 583 Sprint
20115 801 735 429 Charter Communications
19262 762 2759 187 Verizon Global Networks
209 761 3879 596 Qwest
22773 745 1893 50 Cox Communications, Inc.
5668 617 169 21 CenturyTel Internet Holdings,
7029 585 488 79 Alltel Information Services,
855 574 254 73 Canadian Research Network
852 572 1093 363 Telus Advanced Communications
6517 568 159 37 Yipes Communications, Inc.
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2119 513 1075 136 Telenor Internet Access
702 503 1921 404 UUNET - Commercial IP service
24863 357 56 41 LINKdotNET AS number
9116 317 168 25 Goldenlines main autonomous s
3301 312 1456 292 TeliaNet Sweden
3320 309 6034 256 Deutsche Telekom AG
6746 282 129 258 Dynamic Network Technologies,
5089 268 1658 53 NTL Group Limited
680 265 2045 256 DFN-IP service G-WiN
8220 257 445 241 COLT Telecommunications
3215 255 2376 96 France Telecom Transpac
8708 250 420 239 Romania Data Systems S.A.
8551 223 213 28 Bezeq International
3269 222 2775 74 TELECOM ITALIA
3352 220 1864 41 Ibernet, Internet Access Netw
9121 210 1441 24 TTnet Autonomous System
1257 194 1195 172 SWIPnet Swedish IP Network
3292 194 1379 174 TDC Tele Danmark
12479 190 578 6 Uni2 Autonomous System
3246 185 253 176 Song Networks
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 862 1926 207 UniNet S.A. de C.V.
11830 483 299 9 Instituto Costarricense de El
11172 375 116 63 Servicios Alestra S.A de C.V
16814 361 22 8 NSS, S.A.
22047 318 246 13 VTR PUNTO NET S.A.
6471 307 74 33 ENTEL CHILE S.A.
7303 305 148 34 Telecom Argentina Stet-France
14117 279 19 15 Telefonica del Sur S.A.
11556 231 128 4 Cable-Wireless Panama
6147 225 174 26 Telefonica Del Peru
10620 214 60 18 TVCABLE BOGOTA
6503 208 172 85 AVANTEL, S.A.
23216 196 16 43 RAMtelecom Telecomunicaciones
10481 181 72 8 Prima S.A.
14522 177 28 7 SatNet S.A.
8163 176 11 9 METROTEL REDES S.A.
7738 158 506 23 Telecomunicacoes da Bahia S.A
20299 157 23 13 NEWCOM AMERICAS
21826 157 27 60 INTERCABLE
19169 156 10 22 Telconet
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 281 867 222 The Internet Solution
8452 226 188 7 TEDATA
6713 142 135 11 Itissalat Al-MAGHRIB
2018 138 301 115 Tertiary Education Network
5536 124 8 10 Internet Egypt Network
33783 121 8 11 EEPAD TISP TELECOM & INTERNET
24835 86 48 6 RAYA Telecom - Egypt
2905 76 174 73 The Internetworking Company o
15475 75 84 4 Nile Online
2561 62 6 2 Egyptian Universities Network
15706 56 12 4 Sudatel Internet Exchange Aut
23889 52 24 15 MAURITIUS TELECOM
5713 46 294 36 Telkom SA Ltd
33774 45 29 24 AS Number for Telecom Algeria
16637 37 21 29 Johnnic e-Ventures
33776 35 2 6 Starcomms Nigeria Limited
8524 32 2 8 AUCEGYPT Autonomous System
12455 29 6 3 Jambonet Autonomous system
21280 29 4 4 Swift Global Kenya Ltd.Is an
10798 24 2 15 Standard Bank of South Africa
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4755 1278 1207 Videsh Sanchar Nigam Ltd. Aut
11492 1102 1078 Cable One
4134 1362 1076 CHINANET-BACKBONE
18566 1015 1006 Covad Communications
6478 1113 951 AT&T Worldnet Services
4323 1321 947 Time Warner Telecom
9498 977 907 BHARTI BT INTERNET LTD.
9583 1117 716 Sify Limited
22773 745 695 Cox Communications, Inc.
17488 727 671 Hathway IP Over Cable Interne
8151 862 655 UniNet S.A. de C.V.
5668 617 596 CenturyTel Internet Holdings,
7545 692 580 TPG Internet Pty Ltd
19262 762 575 Verizon Global Networks
18101 573 532 Reliance Infocom Ltd Internet
6517 568 531 Yipes Communications, Inc.
15270 557 520 PaeTec.net -a division of Pae
6197 1024 517 BellSouth Network Solutions,
19916 568 517 OLM LLC
7029 585 506 Alltel Information Services,
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat
65332 PRIVATE 63.166.106.192/27 1803 SPRINT
43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net
38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE
38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE
39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO
24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE
64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet
22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
7.1.1.0/24 1239 Sprint
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
192.0.10.0/24 9498 BHARTI BT INTERNET LTD.
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
192.153.136.0/21 721 DLA Systems Automation Center
192.172.0.0/19 721 DLA Systems Automation Center
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 /10:15 /11:36 /12:129
/13:254 /14:468 /15:901 /16:9560 /17:4017 /18:6508
/19:13759 /20:16034 /21:14502 /22:18893 /23:19823 /24:118894
/25:777 /26:1004 /27:486 /28:70 /29:5 /30:0
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6478 1112 1113 AT&T Worldnet Services
11492 1093 1102 Cable One
18566 997 1015 Covad Communications
9583 959 1117 Sify Limited
2386 901 1209 AT&T Data Communications Serv
7018 796 1462 AT&T WorldNet Services
7011 791 893 Citizens Utilities
23577 787 796 Korea Telecom (ATM-MPLS)
6197 778 1024 BellSouth Network Solutions,
4755 675 1278 Videsh Sanchar Nigam Ltd. Aut
9498 651 977 BHARTI BT INTERNET LTD.
4766 590 786 Korea Telecom (KIX)
19916 563 568 OLM LLC
4323 554 1321 Time Warner Telecom
17488 550 727 Hathway IP Over Cable Interne
6517 533 568 Yipes Communications, Inc.
15270 522 557 PaeTec.net -a division of Pae
4668 502 512 LG-EDS Systems Inc.
18101 485 573 Reliance Infocom Ltd Internet
5668 483 617 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:8 7:1 8:83 9:1 12:1802 15:19
16:3 17:3 18:11 20:37 24:937 25:1
32:50 33:3 38:335 40:60 41:214 44:2
47:4 52:4 55:3 56:3 57:25 58:474
59:381 60:335 61:991 62:882 63:1985 64:3142
65:2365 66:3300 67:744 68:626 69:1913 70:435
71:101 72:1353 73:2 74:575 75:253 76:80
77:285 78:19 80:824 81:816 82:666 83:375
84:540 85:860 86:342 87:457 88:288 89:927
90:8 91:416 97:6 98:3 116:247 117:62
121:240 122:580 123:129 124:880 125:949 128:286
129:223 130:140 131:360 132:54 133:9 134:195
135:38 136:178 137:81 138:156 139:72 140:494
141:173 142:373 143:235 144:296 145:45 146:324
147:119 148:401 149:142 150:113 151:161 152:90
153:126 154:2 155:256 156:156 157:213 158:158
159:164 160:103 161:93 162:213 163:180 164:461
165:400 166:287 167:290 168:507 169:120 170:412
171:23 172:1 189:63 190:749 192:5738 193:3927
194:3163 195:2240 196:959 198:3789 199:3270 200:4931
201:1107 202:7398 203:7550 204:3963 205:2015 206:2414
207:2823 208:2718 209:3486 210:2430 211:969 212:1299
213:1479 214:414 215:41 216:3992 217:1160 218:360
219:384 220:1002 221:408 222:265
End of report
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