[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 28 18:12:49 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 29 Aug, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 294090
Prefixes after maximum aggregation: 139250
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 146854
Total ASes present in the Internet Routing Table: 32061
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27872
Origin ASes announcing only one prefix: 13619
Transit ASes present in the Internet Routing Table: 4189
Transit-only ASes present in the Internet Routing Table: 101
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: 396
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 251
Prefixes from 32-bit ASNs in the Routing Table: 97
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 327
Number of addresses announced to Internet: 2101238976
Equivalent to 125 /8s, 62 /16s and 92 /24s
Percentage of available address space announced: 56.7
Percentage of allocated address space announced: 64.9
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: 140768
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70329
Total APNIC prefixes after maximum aggregation: 24979
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 69774
Unique aggregates announced from the APNIC address blocks: 31721
APNIC Region origin ASes present in the Internet Routing Table: 3759
APNIC Prefixes per ASN: 18.56
APNIC Region origin ASes announcing only one prefix: 1032
APNIC Region transit ASes present in the Internet Routing Table: 575
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 492656320
Equivalent to 29 /8s, 93 /16s and 86 /24s
Percentage of available APNIC address space announced: 83.9
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: 124611
Total ARIN prefixes after maximum aggregation: 66436
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125177
Unique aggregates announced from the ARIN address blocks: 52596
ARIN Region origin ASes present in the Internet Routing Table: 13189
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5096
ARIN Region transit ASes present in the Internet Routing Table: 1301
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013478976
Equivalent to 60 /8s, 104 /16s and 118 /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: 67574
Total RIPE prefixes after maximum aggregation: 39857
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67192
Unique aggregates announced from the RIPE address blocks: 45585
RIPE Region origin ASes present in the Internet Routing Table: 13438
RIPE Prefixes per ASN: 5.00
RIPE Region origin ASes announcing only one prefix: 7031
RIPE Region transit ASes present in the Internet Routing Table: 2013
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 499997888
Equivalent to 29 /8s, 205 /16s and 92 /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: 25032
Total LACNIC prefixes after maximum aggregation: 6186
LACNIC Deaggregation factor: 4.05
Prefixes being announced from the LACNIC address blocks: 25006
Unique aggregates announced from the LACNIC address blocks: 14048
LACNIC Region origin ASes present in the Internet Routing Table: 1170
LACNIC Prefixes per ASN: 21.37
LACNIC Region origin ASes announcing only one prefix: 375
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 73430272
Equivalent to 4 /8s, 96 /16s and 117 /24s
Percentage of available LACNIC address space announced: 72.9
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: 6214
Total AfriNIC prefixes after maximum aggregation: 1551
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 6614
Unique aggregates announced from the AfriNIC address blocks: 2643
AfriNIC Region origin ASes present in the Internet Routing Table: 310
AfriNIC Prefixes per ASN: 21.34
AfriNIC Region origin ASes announcing only one prefix: 85
AfriNIC Region transit ASes present in the Internet Routing Table: 66
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 20196096
Equivalent to 1 /8s, 52 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 60.2
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 1718 6981 425 Korea Telecom (KIX)
17488 1548 139 102 Hathway IP Over Cable Interne
4755 1228 292 140 TATA Communications formerly
9583 1092 86 531 Sify Limited
4134 999 18167 389 CHINANET-BACKBONE
18101 949 202 32 Reliance Infocom Ltd Internet
7545 821 198 99 TPG Internet Pty Ltd
9829 807 620 16 BSNL National Internet Backbo
23577 784 34 665 Korea Telecom (ATM-MPLS)
4808 762 1530 180 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 4181 3610 313 bellsouth.net, inc.
4323 1919 1049 390 Time Warner Telecom
1785 1733 714 138 PaeTec Communications, Inc.
7018 1488 5875 1049 AT&T WorldNet Services
20115 1474 1475 675 Charter Communications
6478 1385 280 271 AT&T Worldnet Services
2386 1296 657 941 AT&T Data Communications Serv
3356 1216 10980 441 Level 3 Communications, LLC
11492 1112 208 12 Cable One
22773 1090 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 485 92 195 Evolva Telecom
12479 476 578 6 Uni2 Autonomous System
3292 457 1905 394 TDC Tele Danmark
702 427 1837 344 UUNET - Commercial IP service
35805 381 40 5 United Telecom of Georgia
9198 367 138 12 Kazakhtelecom Data Network Ad
3320 352 7067 303 Deutsche Telekom AG
3301 345 1412 309 TeliaNet Sweden
3215 344 3081 109 France Telecom Transpac
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 1474 2898 241 UniNet S.A. de C.V.
10620 990 223 101 TVCABLE BOGOTA
28573 669 603 60 NET Servicos de Comunicao S.A
7303 632 334 97 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 475 310 65 Instituto Costarricense de El
11172 443 99 70 Servicios Alestra S.A de C.V
6471 421 96 31 ENTEL CHILE S.A.
7738 416 858 29 Telecomunicacoes da Bahia S.A
3816 395 191 78 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 920 92 52 LINKdotNET AS number
20858 320 34 6 EgyNet
3741 274 856 235 The Internet Solution
2018 201 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 143 14 6 Ci Telecom Autonomous system
33783 131 10 17 EEPAD TISP TELECOM & INTERNET
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 4181 3610 313 bellsouth.net, inc.
4323 1919 1049 390 Time Warner Telecom
1785 1733 714 138 PaeTec Communications, Inc.
4766 1718 6981 425 Korea Telecom (KIX)
17488 1548 139 102 Hathway IP Over Cable Interne
7018 1488 5875 1049 AT&T WorldNet Services
8151 1474 2898 241 UniNet S.A. de C.V.
20115 1474 1475 675 Charter Communications
6478 1385 280 271 AT&T Worldnet Services
2386 1296 657 941 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 1733 1595 PaeTec Communications, Inc.
4323 1919 1529 Time Warner Telecom
17488 1548 1446 Hathway IP Over Cable Interne
4766 1718 1293 Korea Telecom (KIX)
8151 1474 1233 UniNet S.A. de C.V.
6478 1385 1114 AT&T Worldnet Services
11492 1112 1100 Cable One
4755 1228 1088 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1090 1024 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<<
41.223.189.0/24 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
43.245.224.0/20 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 /10:25 /11:62 /12:168
/13:351 /14:624 /15:1178 /16:10639 /17:4812 /18:8366
/19:17327 /20:20674 /21:20700 /22:26669 /23:26392 /24:153358
/25:921 /26:1041 /27:580 /28:150 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2709 4181 bellsouth.net, inc.
4766 1405 1718 Korea Telecom (KIX)
17488 1294 1548 Hathway IP Over Cable Interne
1785 1204 1733 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1039 1112 Cable One
4323 965 1919 Time Warner Telecom
9583 944 1092 Sify Limited
8452 926 1002 TEDATA
10620 897 990 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:214 12:2132 13:7 15:21 16:3
17:5 20:35 24:1124 32:52 34:2 38:595
40:97 41:1754 43:1 44:2 47:8 52:6
55:2 56:2 57:25 58:624 59:610 60:460
61:972 62:1102 63:2012 64:3658 65:2400 66:3425
67:1742 68:882 69:2763 70:556 71:162 72:1664
73:2 74:1733 75:179 76:317 77:858 78:559
79:375 80:923 81:833 82:602 83:427 84:630
85:1065 86:377 87:670 88:371 89:1463 90:49
91:2504 92:399 93:1118 94:1183 95:1082 96:166
97:267 98:276 99:30 110:180 111:386 112:124
113:149 114:240 115:301 116:1132 117:566 118:342
119:768 120:121 121:650 122:1248 123:755 124:1059
125:1345 128:223 129:219 130:129 131:417 132:75
133:9 134:174 135:42 136:225 137:160 138:169
139:85 140:445 141:124 142:385 143:341 144:389
145:49 146:387 147:156 148:530 149:220 150:207
151:192 152:208 153:152 154:2 155:274 156:167
157:301 158:113 159:350 160:291 161:164 162:270
163:164 164:276 165:524 166:471 167:362 168:701
169:162 170:479 171:41 172:2 173:393 174:322
175:1 178:1 180:8 182:1 186:127 187:152
188:590 189:588 190:2877 192:5783 193:4248 194:3275
195:2706 196:1125 198:3551 199:3360 200:5130 201:1302
202:7764 203:8273 204:3903 205:2191 206:2384 207:2743
208:3939 209:3409 210:2518 211:1106 212:1606 213:1654
214:131 215:29 216:4310 217:1352 218:408 219:422
220:1107 221:463 222:323
End of report
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