[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 3 18:12:21 UTC 2009
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 04 Jul, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 289924
Prefixes after maximum aggregation: 137398
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 143783
Total ASes present in the Internet Routing Table: 31638
Prefixes per ASN: 9.16
Origin-only ASes present in the Internet Routing Table: 27506
Origin ASes announcing only one prefix: 13385
Transit ASes present in the Internet Routing Table: 4132
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 478
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 193
Prefixes from 32-bit ASNs in the Routing Table: 65
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 345
Number of addresses announced to Internet: 2063493440
Equivalent to 122 /8s, 254 /16s and 105 /24s
Percentage of available address space announced: 55.7
Percentage of allocated address space announced: 64.4
Percentage of available address space allocated: 86.4
Percentage of address space in use by end-sites: 78.1
Total number of prefixes smaller than registry allocations: 143430
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 69259
Total APNIC prefixes after maximum aggregation: 24587
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 68669
Unique aggregates announced from the APNIC address blocks: 31173
APNIC Region origin ASes present in the Internet Routing Table: 3691
APNIC Prefixes per ASN: 18.60
APNIC Region origin ASes announcing only one prefix: 1002
APNIC Region transit ASes present in the Internet Routing Table: 566
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 463130240
Equivalent to 27 /8s, 154 /16s and 206 /24s
Percentage of available APNIC address space announced: 86.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 112/8,
113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8,
120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8,
180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 123352
Total ARIN prefixes after maximum aggregation: 65801
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 124082
Unique aggregates announced from the ARIN address blocks: 51892
ARIN Region origin ASes present in the Internet Routing Table: 13054
ARIN Prefixes per ASN: 9.51
ARIN Region origin ASes announcing only one prefix: 5015
ARIN Region transit ASes present in the Internet Routing Table: 1280
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1009850048
Equivalent to 60 /8s, 49 /16s and 22 /24s
Percentage of available ARIN address space announced: 194.2
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, 46080-47103
53248-55295
ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8,
69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8,
76/8, 96/8, 97/8, 98/8, 99/8, 108/8, 173/8,
174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
208/8, 209/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 66420
Total RIPE prefixes after maximum aggregation: 39205
RIPE Deaggregation factor: 1.69
Prefixes being announced from the RIPE address blocks: 66083
Unique aggregates announced from the RIPE address blocks: 44429
RIPE Region origin ASes present in the Internet Routing Table: 13245
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 6913
RIPE Region transit ASes present in the Internet Routing Table: 1987
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 22
Number of RIPE addresses announced to Internet: 496075456
Equivalent to 29 /8s, 145 /16s and 130 /24s
Percentage of available RIPE address space announced: 105.6
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
40960-45055, 47104-52223
RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 24366
Total LACNIC prefixes after maximum aggregation: 5991
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24217
Unique aggregates announced from the LACNIC address blocks: 13477
LACNIC Region origin ASes present in the Internet Routing Table: 1135
LACNIC Prefixes per ASN: 21.34
LACNIC Region origin ASes announcing only one prefix: 362
LACNIC Region transit ASes present in the Internet Routing Table: 187
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 71888384
Equivalent to 4 /8s, 72 /16s and 238 /24s
Percentage of available LACNIC address space announced: 71.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247
plus ERX transfers
LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 6117
Total AfriNIC prefixes after maximum aggregation: 1492
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6514
Unique aggregates announced from the AfriNIC address blocks: 2536
AfriNIC Region origin ASes present in the Internet Routing Table: 303
AfriNIC Prefixes per ASN: 21.50
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 64
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20174592
Equivalent to 1 /8s, 51 /16s and 215 /24s
Percentage of available AfriNIC address space announced: 60.1
AfriNIC AS Blocks 36864-37887 & ERX transfers
AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1702 6934 405 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
4755 1213 308 144 TATA Communications formerly
9583 1132 91 548 Sify Limited
4134 977 17080 375 CHINANET-BACKBONE
7545 806 198 101 TPG Internet Pty Ltd
9829 797 611 14 BSNL National Internet Backbo
23577 783 34 666 Korea Telecom (ATM-MPLS)
18101 754 200 32 Reliance Infocom Ltd Internet
24560 724 230 172 Bharti Airtel Ltd.
Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4266 3643 323 bellsouth.net, inc.
4323 1887 1047 384 Time Warner Telecom
1785 1705 714 139 PaeTec Communications, Inc.
7018 1503 5909 1046 AT&T WorldNet Services
20115 1396 1462 687 Charter Communications
2386 1267 671 921 AT&T Data Communications Serv
6478 1206 274 317 AT&T Worldnet Services
3356 1199 10961 443 Level 3 Communications, LLC
11492 1122 208 12 Cable One
22773 1071 2604 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 474 578 6 Uni2 Autonomous System
3292 457 1902 394 TDC Tele Danmark
702 429 1861 345 UUNET - Commercial IP service
30890 414 88 194 Evolva Telecom
35805 354 40 5 United Telecom of Georgia
8866 351 109 21 Bulgarian Telecommunication C
3301 347 1684 309 TeliaNet Sweden
3320 344 7067 300 Deutsche Telekom AG
3215 342 3049 107 France Telecom Transpac
29049 317 26 3 AzerSat LLC.
Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1465 2883 232 UniNet S.A. de C.V.
10620 921 211 103 TVCABLE BOGOTA
28573 611 570 31 NET Servicos de Comunicao S.A
22047 601 302 14 VTR PUNTO NET S.A.
7303 572 304 90 Telecom Argentina Stet-France
11830 487 293 55 Instituto Costarricense de El
6471 439 96 31 ENTEL CHILE S.A.
11172 439 99 68 Servicios Alestra S.A de C.V
7738 404 794 28 Telecomunicacoes da Bahia S.A
3816 373 191 85 Empresa Nacional de Telecomun
Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 994 188 7 TEDATA
24863 892 88 46 LINKdotNET AS number
20858 319 34 5 EgyNet
3741 276 856 236 The Internet Solution
2018 243 215 143 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 139 15 8 Ci Telecom Autonomous system
5536 123 8 9 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4266 3643 323 bellsouth.net, inc.
4323 1887 1047 384 Time Warner Telecom
1785 1705 714 139 PaeTec Communications, Inc.
4766 1702 6934 405 Korea Telecom (KIX)
17488 1537 138 95 Hathway IP Over Cable Interne
7018 1503 5909 1046 AT&T WorldNet Services
8151 1465 2883 232 UniNet S.A. de C.V.
20115 1396 1462 687 Charter Communications
2386 1267 671 921 AT&T Data Communications Serv
4755 1213 308 144 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1705 1566 PaeTec Communications, Inc.
4323 1887 1503 Time Warner Telecom
17488 1537 1442 Hathway IP Over Cable Interne
4766 1702 1297 Korea Telecom (KIX)
8151 1465 1233 UniNet S.A. de C.V.
11492 1122 1110 Cable One
4755 1213 1069 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1071 1005 Cox Communications, Inc.
8452 994 987 TEDATA
Complete listing at http://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.112.0/22 5713 Telkom SA Ltd
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
63.140.213.0/24 22555 Universal Talkware Corporatio
63.143.251.0/24 22555 Universal Talkware Corporatio
64.31.32.0/19 11955 ServiceCo LLC - Road Runner
Complete listing at http://thyme.apnic.net/current/data-add-IANA
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 /10:22 /11:58 /12:168
/13:351 /14:607 /15:1164 /16:10513 /17:4752 /18:8211
/19:17006 /20:20404 /21:20177 /22:26229 /23:25863 /24:151711
/25:899 /26:1028 /27:559 /28:150 /29:8 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2779 4266 bellsouth.net, inc.
4766 1401 1702 Korea Telecom (KIX)
17488 1283 1537 Hathway IP Over Cable Interne
1785 1177 1705 PaeTec Communications, Inc.
11492 1048 1122 Cable One
18566 1043 1062 Covad Communications
9583 984 1132 Sify Limited
2386 983 1267 AT&T Data Communications Serv
4323 961 1887 Time Warner Telecom
8452 918 994 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:207 12:2143 13:8 15:19 16:3
17:4 20:34 24:1096 32:51 34:2 38:575
40:97 41:1746 43:1 44:2 47:22 52:5
55:2 56:3 57:24 58:578 59:653 60:461
61:1079 62:1107 63:2041 64:3684 65:2415 66:3594
67:1619 68:806 69:2664 70:555 71:146 72:1676
73:2 74:1611 75:170 76:335 77:851 78:557
79:360 80:978 81:835 82:563 83:456 84:634
85:1035 86:400 87:676 88:353 89:1448 90:50
91:2377 92:353 93:1125 94:1244 95:1116 96:148
97:215 98:253 99:23 110:170 111:49 112:168
113:136 114:261 115:304 116:1159 117:538 118:338
119:708 120:147 121:777 122:1045 123:705 124:979
125:1389 128:218 129:238 130:127 131:400 132:74
133:9 134:185 135:39 136:224 137:162 138:164
139:78 140:442 141:119 142:391 143:351 144:365
145:48 146:386 147:154 148:520 149:235 150:178
151:193 152:145 153:145 154:2 155:274 156:165
157:301 158:117 159:344 160:284 161:153 162:271
163:162 164:479 165:501 166:456 167:359 168:664
169:174 170:479 171:41 172:10 173:306 174:233
178:1 186:97 187:100 188:102 189:445 190:2855
192:5803 193:4259 194:3312 195:2689 196:1094 198:3590
199:3353 200:5135 201:1311 202:7705 203:8256 204:3880
205:2154 206:2429 207:2712 208:3875 209:3391 210:2546
211:1127 212:1618 213:1652 214:73 215:24 216:4526
217:1318 218:396 219:443 220:1114 221:484 222:301
End of report
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