[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Aug 22 07:04:35 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 22 Aug, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 293735
Prefixes after maximum aggregation: 139010
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 146284
Total ASes present in the Internet Routing Table: 31976
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 27800
Origin ASes announcing only one prefix: 13547
Transit ASes present in the Internet Routing Table: 4176
Transit-only ASes present in the Internet Routing Table: 100
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: 629
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 241
Prefixes from 32-bit ASNs in the Routing Table: 92
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 328
Number of addresses announced to Internet: 2089063616
Equivalent to 124 /8s, 132 /16s and 148 /24s
Percentage of available address space announced: 56.4
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.7
Total number of prefixes smaller than registry allocations: 140471
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70153
Total APNIC prefixes after maximum aggregation: 24877
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 69601
Unique aggregates announced from the APNIC address blocks: 31611
APNIC Region origin ASes present in the Internet Routing Table: 3747
APNIC Prefixes per ASN: 18.58
APNIC Region origin ASes announcing only one prefix: 1023
APNIC Region transit ASes present in the Internet Routing Table: 579
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 481521344
Equivalent to 28 /8s, 179 /16s and 110 /24s
Percentage of available APNIC address space announced: 82.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
APNIC Address Blocks 43/8, 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, 175/8, 180/8, 182/8, 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: 124497
Total ARIN prefixes after maximum aggregation: 66423
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 125109
Unique aggregates announced from the ARIN address blocks: 52466
ARIN Region origin ASes present in the Internet Routing Table: 13183
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5077
ARIN Region transit ASes present in the Internet Routing Table: 1290
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1012944512
Equivalent to 60 /8s, 96 /16s and 78 /24s
Percentage of available ARIN address space announced: 88.8
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, 46080-47103
53248-55295
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8,
30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8,
44/8, 45/8, 47/8, 48/8, 52/8, 54/8, 55/8,
56/8, 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, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 67501
Total RIPE prefixes after maximum aggregation: 39779
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67114
Unique aggregates announced from the RIPE address blocks: 45359
RIPE Region origin ASes present in the Internet Routing Table: 13379
RIPE Prefixes per ASN: 5.02
RIPE Region origin ASes announcing only one prefix: 6987
RIPE Region transit ASes present in the Internet Routing Table: 2000
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499549376
Equivalent to 29 /8s, 198 /16s and 132 /24s
Percentage of available RIPE address space announced: 99.3
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 25/8, 51/8, 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: 24997
Total LACNIC prefixes after maximum aggregation: 6135
LACNIC Deaggregation factor: 4.07
Prefixes being announced from the LACNIC address blocks: 24966
Unique aggregates announced from the LACNIC address blocks: 13957
LACNIC Region origin ASes present in the Internet Routing Table: 1160
LACNIC Prefixes per ASN: 21.52
LACNIC Region origin ASes announcing only one prefix: 375
LACNIC Region transit ASes present in the Internet Routing Table: 188
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 73280448
Equivalent to 4 /8s, 94 /16s and 43 /24s
Percentage of available LACNIC address space announced: 72.8
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: 6210
Total AfriNIC prefixes after maximum aggregation: 1526
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 6617
Unique aggregates announced from the AfriNIC address blocks: 2630
AfriNIC Region origin ASes present in the Internet Routing Table: 307
AfriNIC Prefixes per ASN: 21.55
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 69
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 20242944
Equivalent to 1 /8s, 52 /16s and 226 /24s
Percentage of available AfriNIC address space announced: 60.3
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 1724 6979 424 Korea Telecom (KIX)
17488 1554 140 103 Hathway IP Over Cable Interne
4755 1227 292 140 TATA Communications formerly
9583 1088 86 530 Sify Limited
4134 998 18167 389 CHINANET-BACKBONE
18101 959 202 32 Reliance Infocom Ltd Internet
7545 819 198 103 TPG Internet Pty Ltd
9829 807 620 16 BSNL National Internet Backbo
23577 787 34 667 Korea Telecom (ATM-MPLS)
4808 762 1533 176 CNCGROUP IP network: China169
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 4177 3607 314 bellsouth.net, inc.
4323 1908 1049 390 Time Warner Telecom
1785 1728 714 138 PaeTec Communications, Inc.
7018 1492 5875 1052 AT&T WorldNet Services
20115 1471 1474 674 Charter Communications
6478 1381 282 271 AT&T Worldnet Services
2386 1289 657 937 AT&T Data Communications Serv
3356 1210 10979 438 Level 3 Communications, LLC
11492 1110 208 12 Cable One
22773 1086 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
30890 484 92 197 Evolva Telecom
12479 475 578 6 Uni2 Autonomous System
3292 462 1905 397 TDC Tele Danmark
702 430 1861 346 UUNET - Commercial IP service
35805 380 40 5 United Telecom of Georgia
9198 366 138 12 Kazakhtelecom Data Network Ad
3320 348 7067 301 Deutsche Telekom AG
3215 344 3081 109 France Telecom Transpac
3301 344 1412 308 TeliaNet Sweden
8866 340 109 20 Bulgarian Telecommunication C
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 1475 2882 246 UniNet S.A. de C.V.
10620 990 220 93 TVCABLE BOGOTA
7303 625 332 96 Telecom Argentina Stet-France
28573 619 582 37 NET Servicos de Comunicao S.A
22047 541 302 14 VTR PUNTO NET S.A.
11830 485 308 67 Instituto Costarricense de El
11172 442 99 70 Servicios Alestra S.A de C.V
6471 421 96 31 ENTEL CHILE S.A.
7738 415 858 29 Telecomunicacoes da Bahia S.A
3816 396 191 79 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 1002 188 7 TEDATA
24863 917 91 50 LINKdotNET AS number
20858 324 34 6 EgyNet
3741 277 857 237 The Internet Solution
2018 200 180 141 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 152 10 8 EEPAD TISP TELECOM & INTERNET
29571 143 14 6 Ci Telecom Autonomous system
24835 130 46 9 RAYA Telecom - Egypt
5536 122 8 13 Internet Egypt Network
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 4177 3607 314 bellsouth.net, inc.
4323 1908 1049 390 Time Warner Telecom
1785 1728 714 138 PaeTec Communications, Inc.
4766 1724 6979 424 Korea Telecom (KIX)
17488 1554 140 103 Hathway IP Over Cable Interne
7018 1492 5875 1052 AT&T WorldNet Services
8151 1475 2882 246 UniNet S.A. de C.V.
20115 1471 1474 674 Charter Communications
6478 1381 282 271 AT&T Worldnet Services
2386 1289 657 937 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
1785 1728 1590 PaeTec Communications, Inc.
4323 1908 1518 Time Warner Telecom
17488 1554 1451 Hathway IP Over Cable Interne
4766 1724 1300 Korea Telecom (KIX)
8151 1475 1229 UniNet S.A. de C.V.
6478 1381 1110 AT&T Worldnet Services
11492 1110 1098 Cable One
4755 1227 1087 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1086 1020 Cox Communications, Inc.
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
24.225.128.0/17 36377 PATRIOT MEDIA AND COMMUNICATI
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.176.0/22 36981 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
43.245.96.0/20 7502 Internetwork Kyoto
43.245.112.0/20 7502 Internetwork Kyoto
43.245.192.0/20 7502 Internetwork Kyoto
43.245.208.0/20 7502 Internetwork Kyoto
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 /10:24 /11:59 /12:168
/13:351 /14:623 /15:1176 /16:10626 /17:4809 /18:8355
/19:17303 /20:20678 /21:20624 /22:26600 /23:26336 /24:153249
/25:924 /26:1039 /27:585 /28:153 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2707 4177 bellsouth.net, inc.
4766 1412 1724 Korea Telecom (KIX)
17488 1300 1554 Hathway IP Over Cable Interne
1785 1199 1728 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1037 1110 Cable One
4323 960 1908 Time Warner Telecom
9583 941 1088 Sify Limited
8452 926 1002 TEDATA
10620 896 990 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:213 12:2138 13:7 15:21 16:3
17:5 20:35 24:1129 32:52 34:2 38:598
40:97 41:1760 43:1 44:2 47:10 52:6
55:2 56:2 57:25 58:621 59:608 60:461
61:973 62:1105 63:2013 64:3624 65:2404 66:3416
67:1740 68:870 69:2729 70:556 71:162 72:1654
73:2 74:1707 75:179 76:314 77:851 78:569
79:372 80:933 81:850 82:598 83:453 84:633
85:1070 86:375 87:674 88:372 89:1462 90:48
91:2499 92:398 93:1114 94:1195 95:1160 96:166
97:264 98:283 99:28 110:185 111:382 112:118
113:152 114:238 115:287 116:1141 117:551 118:330
119:770 120:120 121:651 122:1238 123:755 124:1026
125:1338 128:224 129:219 130:128 131:416 132:75
133:9 134:182 135:43 136:225 137:160 138:170
139:83 140:444 141:123 142:384 143:353 144:388
145:49 146:390 147:156 148:530 149:222 150:208
151:192 152:210 153:148 154:2 155:272 156:167
157:301 158:112 159:344 160:290 161:164 162:269
163:164 164:275 165:529 166:465 167:360 168:701
169:161 170:475 171:41 172:2 173:381 174:316
175:1 178:1 180:7 182:1 186:129 187:164
188:416 189:583 190:2922 192:5784 193:4257 194:3294
195:2689 196:1115 198:3650 199:3364 200:5111 201:1304
202:7744 203:8275 204:3882 205:2166 206:2451 207:2738
208:3929 209:3408 210:2529 211:1103 212:1604 213:1655
214:132 215:30 216:4303 217:1349 218:405 219:415
220:1118 221:461 222:329
End of report
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