Routing Table Report 04:00 +10GMT Fri 11 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 295062
Prefixes after maximum aggregation: 139492
Deaggregation factor: 2.12
Unique aggregates announced to Internet: 147536
Total ASes present in the Internet Routing Table: 32148
Prefixes per ASN: 9.18
Origin-only ASes present in the Internet Routing Table: 27947
Origin ASes announcing only one prefix: 13654
Transit ASes present in the Internet Routing Table: 4201
Transit-only ASes present in the Internet Routing Table: 97
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: 421
Unregistered ASNs in the Routing Table: 114
Number of 32-bit ASNs allocated by the RIRs: 266
Prefixes from 32-bit ASNs in the Routing Table: 119
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 320
Number of addresses announced to Internet: 2104086336
Equivalent to 125 /8s, 105 /16s and 207 /24s
Percentage of available address space announced: 56.8
Percentage of allocated address space announced: 65.0
Percentage of available address space allocated: 87.3
Percentage of address space in use by end-sites: 78.8
Total number of prefixes smaller than registry allocations: 140928
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 70459
Total APNIC prefixes after maximum aggregation: 24956
APNIC Deaggregation factor: 2.82
Prefixes being announced from the APNIC address blocks: 69901
Unique aggregates announced from the APNIC address blocks: 31838
APNIC Region origin ASes present in the Internet Routing Table: 3777
APNIC Prefixes per ASN: 18.51
APNIC Region origin ASes announcing only one prefix: 1034
APNIC Region transit ASes present in the Internet Routing Table: 585
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 493838016
Equivalent to 29 /8s, 111 /16s and 94 /24s
Percentage of available APNIC address space announced: 84.1
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: 124871
Total ARIN prefixes after maximum aggregation: 66499
ARIN Deaggregation factor: 1.88
Prefixes being announced from the ARIN address blocks: 125383
Unique aggregates announced from the ARIN address blocks: 52817
ARIN Region origin ASes present in the Internet Routing Table: 13227
ARIN Prefixes per ASN: 9.48
ARIN Region origin ASes announcing only one prefix: 5122
ARIN Region transit ASes present in the Internet Routing Table: 1293
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 1013849280
Equivalent to 60 /8s, 110 /16s and 28 /24s
Percentage of available ARIN address space announced: 88.9
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: 67878
Total RIPE prefixes after maximum aggregation: 39998
RIPE Deaggregation factor: 1.70
Prefixes being announced from the RIPE address blocks: 67565
Unique aggregates announced from the RIPE address blocks: 45859
RIPE Region origin ASes present in the Internet Routing Table: 13460
RIPE Prefixes per ASN: 5.02
RIPE Region origin ASes announcing only one prefix: 7028
RIPE Region transit ASes present in the Internet Routing Table: 2022
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 500401600
Equivalent to 29 /8s, 211 /16s and 133 /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: 25389
Total LACNIC prefixes after maximum aggregation: 6207
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 25402
Unique aggregates announced from the LACNIC address blocks: 14101
LACNIC Region origin ASes present in the Internet Routing Table: 1174
LACNIC Prefixes per ASN: 21.64
LACNIC Region origin ASes announcing only one prefix: 377
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: 21
Number of LACNIC addresses announced to Internet: 74348288
Equivalent to 4 /8s, 110 /16s and 119 /24s
Percentage of available LACNIC address space announced: 73.9
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: 6109
Total AfriNIC prefixes after maximum aggregation: 1577
AfriNIC Deaggregation factor: 3.87
Prefixes being announced from the AfriNIC address blocks: 6491
Unique aggregates announced from the AfriNIC address blocks: 2660
AfriNIC Region origin ASes present in the Internet Routing Table: 319
AfriNIC Prefixes per ASN: 20.35
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 67
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 20199680
Equivalent to 1 /8s, 52 /16s and 57 /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 1730 6982 427 Korea Telecom (KIX)
17488 1559 140 99 Hathway IP Over Cable Interne
4755 1259 292 144 TATA Communications formerly
9583 1097 87 533 Sify Limited
4134 1005 18167 389 CHINANET-BACKBONE
18101 958 201 32 Reliance Infocom Ltd Internet
7545 840 198 98 TPG Internet Pty Ltd
9829 812 625 18 BSNL National Internet Backbo
4808 764 1530 182 CNCGROUP IP network: China169
23577 764 33 649 Korea Telecom (ATM-MPLS)
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 4173 3626 313 bellsouth.net, inc.
4323 1926 1049 388 Time Warner Telecom
1785 1739 714 138 PaeTec Communications, Inc.
7018 1528 5910 1061 AT&T WorldNet Services
20115 1479 1477 674 Charter Communications
6478 1405 282 249 AT&T Worldnet Services
2386 1295 655 942 AT&T Data Communications Serv
3356 1226 10980 439 Level 3 Communications, LLC
11492 1120 208 12 Cable One
22773 1099 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 488 92 199 Evolva Telecom
3292 450 1901 395 TDC Tele Danmark
12479 426 578 6 Uni2 Autonomous System
702 425 1821 343 UUNET - Commercial IP service
35805 386 40 5 United Telecom of Georgia
9198 372 138 12 Kazakhtelecom Data Network Ad
8866 359 110 23 Bulgarian Telecommunication C
3320 354 7067 303 Deutsche Telekom AG
3215 347 3121 111 France Telecom Transpac
3301 347 1412 308 TeliaNet Sweden
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 2899 245 UniNet S.A. de C.V.
10620 1013 226 97 TVCABLE BOGOTA
28573 709 620 61 NET Servicos de Comunicao S.A
7303 633 335 96 Telecom Argentina Stet-France
22047 542 302 14 VTR PUNTO NET S.A.
11830 476 310 58 Instituto Costarricense de El
11172 441 99 69 Servicios Alestra S.A de C.V
14117 436 29 11 Telefonica del Sur S.A.
6471 421 96 31 ENTEL CHILE S.A.
7738 419 858 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 949 188 7 TEDATA
24863 947 96 57 LINKdotNET AS number
20858 296 34 6 EgyNet
3741 275 856 236 The Internet Solution
2018 207 180 142 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 131 46 9 RAYA Telecom - Egypt
33776 123 7 11 Starcomms Nigeria Limited
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 4173 3626 313 bellsouth.net, inc.
4323 1926 1049 388 Time Warner Telecom
1785 1739 714 138 PaeTec Communications, Inc.
4766 1730 6982 427 Korea Telecom (KIX)
17488 1559 140 99 Hathway IP Over Cable Interne
7018 1528 5910 1061 AT&T WorldNet Services
20115 1479 1477 674 Charter Communications
8151 1475 2899 245 UniNet S.A. de C.V.
6478 1405 282 249 AT&T Worldnet Services
2386 1295 655 942 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 1739 1601 PaeTec Communications, Inc.
4323 1926 1538 Time Warner Telecom
17488 1559 1460 Hathway IP Over Cable Interne
4766 1730 1303 Korea Telecom (KIX)
8151 1475 1230 UniNet S.A. de C.V.
6478 1405 1156 AT&T Worldnet Services
4755 1259 1115 TATA Communications formerly
11492 1120 1108 Cable One
18566 1062 1052 Covad Communications
22773 1099 1033 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 /12:174
/13:350 /14:627 /15:1191 /16:10659 /17:4826 /18:8390
/19:17398 /20:20776 /21:20632 /22:26643 /23:26526 /24:153972
/25:944 /26:1085 /27:576 /28:152 /29:8 /30:9
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2705 4173 bellsouth.net, inc.
4766 1409 1730 Korea Telecom (KIX)
17488 1305 1559 Hathway IP Over Cable Interne
1785 1206 1739 PaeTec Communications, Inc.
11492 1047 1120 Cable One
18566 1043 1062 Covad Communications
4323 970 1926 Time Warner Telecom
9583 949 1097 Sify Limited
10620 919 1013 TVCABLE BOGOTA
7018 883 1528 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:213 12:2139 13:7 15:21 16:3
17:5 20:36 24:1128 32:52 34:2 38:602
40:97 41:1686 43:1 44:2 47:24 52:6
55:2 56:2 57:25 58:602 59:610 60:464
61:961 62:1079 63:2011 64:3624 65:2395 66:3416
67:1759 68:970 69:2749 70:562 71:154 72:1685
73:2 74:1736 75:179 76:321 77:872 78:584
79:379 80:921 81:800 82:529 83:425 84:643
85:1025 86:377 87:679 88:376 89:1469 90:49
91:2532 92:399 93:1146 94:1169 95:1078 96:167
97:268 98:260 99:30 109:3 110:192 111:425
112:131 113:153 114:246 115:309 116:1140 117:574
118:326 119:772 120:122 121:654 122:1252 123:763
124:1052 125:1355 128:222 129:214 130:129 131:419
132:74 133:9 134:173 135:42 136:224 137:160
138:172 139:84 140:431 141:125 142:381 143:329
144:389 145:49 146:391 147:162 148:532 149:212
150:207 151:187 152:210 153:153 154:2 155:282
156:167 157:306 158:112 159:350 160:291 161:164
162:270 163:164 164:276 165:525 166:474 167:368
168:709 169:167 170:476 171:42 172:2 173:408
174:305 175:1 178:1 180:22 182:1 186:139
187:147 188:810 189:596 190:3051 192:5772 193:4251
194:3286 195:2755 196:1145 198:3547 199:3358 200:5178
201:1298 202:7839 203:8274 204:3895 205:2196 206:2390
207:2730 208:3950 209:3395 210:2542 211:1105 212:1596
213:1645 214:172 215:33 216:4285 217:1311 218:411
219:426 220:1107 221:460 222:321
End of report