Routing Table Report 04:00 +10GMT Wed 02 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 294325
Prefixes after maximum aggregation: 139257
Deaggregation factor: 2.11
Unique aggregates announced to Internet: 146885
Total ASes present in the Internet Routing Table: 32080
Prefixes per ASN: 9.17
Origin-only ASes present in the Internet Routing Table: 27884
Origin ASes announcing only one prefix: 13609
Transit ASes present in the Internet Routing Table: 4196
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: 405
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 257
Prefixes from 32-bit ASNs in the Routing Table: 102
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 319
Number of addresses announced to Internet: 2101977024
Equivalent to 125 /8s, 73 /16s and 159 /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: 140766
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70087
Total APNIC prefixes after maximum aggregation: 24959
APNIC Deaggregation factor: 2.81
Prefixes being announced from the APNIC address blocks: 69526
Unique aggregates announced from the APNIC address blocks: 31672
APNIC Region origin ASes present in the Internet Routing Table: 3767
APNIC Prefixes per ASN: 18.46
APNIC Region origin ASes announcing only one prefix: 1029
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: 16
Number of APNIC addresses announced to Internet: 492917440
Equivalent to 29 /8s, 97 /16s and 82 /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: 124732
Total ARIN prefixes after maximum aggregation: 66449
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125320
Unique aggregates announced from the ARIN address blocks: 52627
ARIN Region origin ASes present in the Internet Routing Table: 13205
ARIN Prefixes per ASN: 9.49
ARIN Region origin ASes announcing only one prefix: 5100
ARIN Region transit ASes present in the Internet Routing Table: 1298
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013543744
Equivalent to 60 /8s, 105 /16s and 115 /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: 67639
Total RIPE prefixes after maximum aggregation: 39874
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67255
Unique aggregates announced from the RIPE address blocks: 45606
RIPE Region origin ASes present in the Internet Routing Table: 13432
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 7015
RIPE Region transit ASes present in the Internet Routing Table: 2013
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 500254656
Equivalent to 29 /8s, 209 /16s and 71 /24s
Percentage of available RIPE address space announced: 99.4
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: 25225
Total LACNIC prefixes after maximum aggregation: 6189
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 25198
Unique aggregates announced from the LACNIC address blocks: 14062
LACNIC Region origin ASes present in the Internet Routing Table: 1172
LACNIC Prefixes per ASN: 21.50
LACNIC Region origin ASes announcing only one prefix: 379
LACNIC Region transit ASes present in the Internet Routing Table: 192
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 22
Number of LACNIC addresses announced to Internet: 73647616
Equivalent to 4 /8s, 99 /16s and 198 /24s
Percentage of available LACNIC address space announced: 73.2
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: 6303
Total AfriNIC prefixes after maximum aggregation: 1543
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6707
Unique aggregates announced from the AfriNIC address blocks: 2664
AfriNIC Region origin ASes present in the Internet Routing Table: 309
AfriNIC Prefixes per ASN: 21.71
AfriNIC Region origin ASes announcing only one prefix: 86
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: 20194304
Equivalent to 1 /8s, 52 /16s and 36 /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 1720 6982 426 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
4755 1230 292 141 TATA Communications formerly
9583 1094 87 533 Sify Limited
4134 999 18167 389 CHINANET-BACKBONE
18101 951 202 32 Reliance Infocom Ltd Internet
7545 826 198 103 TPG Internet Pty Ltd
9829 810 625 18 BSNL National Internet Backbo
23577 780 34 661 Korea Telecom (ATM-MPLS)
4808 767 1531 182 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 4179 3610 313 bellsouth.net, inc.
4323 1918 1049 387 Time Warner Telecom
1785 1733 714 138 PaeTec Communications, Inc.
7018 1494 5910 1055 AT&T WorldNet Services
20115 1473 1475 682 Charter Communications
6478 1392 281 258 AT&T Worldnet Services
2386 1296 658 943 AT&T Data Communications Serv
3356 1218 10980 441 Level 3 Communications, LLC
11492 1115 208 12 Cable One
22773 1093 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 486 92 196 Evolva Telecom
12479 476 578 6 Uni2 Autonomous System
3292 461 1905 396 TDC Tele Danmark
702 427 1837 344 UUNET - Commercial IP service
35805 382 40 5 United Telecom of Georgia
9198 368 138 12 Kazakhtelecom Data Network Ad
8866 357 109 22 Bulgarian Telecommunication C
3320 353 7067 303 Deutsche Telekom AG
3301 347 1412 308 TeliaNet Sweden
3215 344 3081 109 France Telecom Transpac
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 1478 2898 242 UniNet S.A. de C.V.
10620 993 224 101 TVCABLE BOGOTA
28573 673 603 60 NET Servicos de Comunicao S.A
7303 634 335 94 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 475 310 65 Instituto Costarricense de El
11172 441 99 70 Servicios Alestra S.A de C.V
14117 435 29 11 Telefonica del Sur S.A.
6471 421 96 31 ENTEL CHILE S.A.
7738 418 858 29 Telecomunicacoes da Bahia S.A
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 998 188 7 TEDATA
24863 923 92 52 LINKdotNET AS number
20858 320 34 6 EgyNet
3741 274 856 235 The Internet Solution
2018 202 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
33783 151 10 8 EEPAD TISP TELECOM & INTERNET
29571 143 14 6 Ci Telecom Autonomous system
24835 131 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 4179 3610 313 bellsouth.net, inc.
4323 1918 1049 387 Time Warner Telecom
1785 1733 714 138 PaeTec Communications, Inc.
4766 1720 6982 426 Korea Telecom (KIX)
17488 1553 140 103 Hathway IP Over Cable Interne
7018 1494 5910 1055 AT&T WorldNet Services
8151 1478 2898 242 UniNet S.A. de C.V.
20115 1473 1475 682 Charter Communications
6478 1392 281 258 AT&T Worldnet Services
2386 1296 658 943 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 1918 1531 Time Warner Telecom
17488 1553 1450 Hathway IP Over Cable Interne
4766 1720 1294 Korea Telecom (KIX)
8151 1478 1236 UniNet S.A. de C.V.
6478 1392 1134 AT&T Worldnet Services
11492 1115 1103 Cable One
4755 1230 1089 TATA Communications formerly
18566 1062 1052 Covad Communications
22773 1093 1027 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
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
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /15:1179 /16:10648 /17:4818 /18:8365
/19:17336 /20:20666 /21:20556 /22:26571 /23:26436 /24:153745
/25:930 /26:1052 /27:586 /28:154 /29:8 /30:7
/31:1 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2708 4179 bellsouth.net, inc.
4766 1407 1720 Korea Telecom (KIX)
17488 1299 1553 Hathway IP Over Cable Interne
1785 1203 1733 PaeTec Communications, Inc.
18566 1043 1062 Covad Communications
11492 1042 1115 Cable One
4323 966 1918 Time Warner Telecom
9583 946 1094 Sify Limited
8452 920 998 TEDATA
10620 899 993 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:14 8:215 12:2136 13:7 15:21 16:2
17:5 20:35 24:1125 32:52 34:2 38:596
40:97 41:1764 43:1 44:2 47:20 52:6
55:2 56:2 57:25 58:611 59:609 60:461
61:957 62:1108 63:2013 64:3630 65:2396 66:3435
67:1750 68:882 69:2757 70:559 71:162 72:1681
73:2 74:1741 75:179 76:319 77:859 78:584
79:374 80:918 81:850 82:594 83:425 84:641
85:1042 86:378 87:664 88:371 89:1470 90:52
91:2497 92:399 93:1124 94:1147 95:955 96:166
97:267 98:277 99:30 109:1 110:187 111:396
112:128 113:152 114:242 115:306 116:1137 117:561
118:322 119:774 120:120 121:652 122:1245 123:756
124:1063 125:1353 128:223 129:213 130:129 131:414
132:75 133:9 134:174 135:42 136:225 137:161
138:170 139:84 140:445 141:124 142:385 143:338
144:388 145:49 146:388 147:156 148:530 149:218
150:208 151:186 152:209 153:153 154:2 155:279
156:167 157:306 158:113 159:350 160:291 161:164
162:270 163:164 164:276 165:526 166:472 167:366
168:702 169:167 170:479 171:42 172:2 173:401
174:325 175:1 178:1 180:15 182:1 186:134
187:155 188:740 189:588 190:2997 192:5788 193:4258
194:3282 195:2735 196:1131 198:3550 199:3355 200:5158
201:1306 202:7765 203:8284 204:3894 205:2195 206:2392
207:2747 208:3951 209:3403 210:2541 211:1107 212:1604
213:1652 214:176 215:32 216:4300 217:1366 218:407
219:414 220:1109 221:463 222:328
End of report