Routing Table Report 04:00 +10GMT Wed 11 Nov, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 301876
Prefixes after maximum aggregation: 141616
Deaggregation factor: 2.13
Unique aggregates announced to Internet: 149732
Total ASes present in the Internet Routing Table: 32635
Prefixes per ASN: 9.25
Origin-only ASes present in the Internet Routing Table: 28360
Origin ASes announcing only one prefix: 13819
Transit ASes present in the Internet Routing Table: 4275
Transit-only ASes present in the Internet Routing Table: 98
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 628
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 318
Prefixes from 32-bit ASNs in the Routing Table: 256
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 179
Number of addresses announced to Internet: 2132531936
Equivalent to 127 /8s, 27 /16s and 218 /24s
Percentage of available address space announced: 57.5
Percentage of allocated address space announced: 65.2
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.0
Total number of prefixes smaller than registry allocations: 145023
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 71999
Total APNIC prefixes after maximum aggregation: 25294
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 68548
Unique aggregates announced from the APNIC address blocks: 30455
APNIC Region origin ASes present in the Internet Routing Table: 3850
APNIC Prefixes per ASN: 17.80
APNIC Region origin ASes announcing only one prefix: 1046
APNIC Region transit ASes present in the Internet Routing Table: 591
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 470474784
Equivalent to 28 /8s, 10 /16s and 224 /24s
Percentage of available APNIC address space announced: 80.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
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: 127553
Total ARIN prefixes after maximum aggregation: 67231
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101984
Unique aggregates announced from the ARIN address blocks: 38937
ARIN Region origin ASes present in the Internet Routing Table: 13338
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5165
ARIN Region transit ASes present in the Internet Routing Table: 1311
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 714309120
Equivalent to 42 /8s, 147 /16s and 126 /24s
Percentage of available ARIN address space announced: 62.6
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, 393216-394239
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: 69651
Total RIPE prefixes after maximum aggregation: 40822
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62959
Unique aggregates announced from the RIPE address blocks: 42130
RIPE Region origin ASes present in the Internet Routing Table: 13724
RIPE Prefixes per ASN: 4.59
RIPE Region origin ASes announcing only one prefix: 7125
RIPE Region transit ASes present in the Internet Routing Table: 2062
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 403840960
Equivalent to 24 /8s, 18 /16s and 31 /24s
Percentage of available RIPE address space announced: 75.2
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, 196608-197631
RIPE Address Blocks 2/8, 25/8, 46/8, 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: 26103
Total LACNIC prefixes after maximum aggregation: 6381
LACNIC Deaggregation factor: 4.09
Prefixes being announced from the LACNIC address blocks: 24415
Unique aggregates announced from the LACNIC address blocks: 13519
LACNIC Region origin ASes present in the Internet Routing Table: 1202
LACNIC Prefixes per ASN: 20.31
LACNIC Region origin ASes announcing only one prefix: 381
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 30
Number of LACNIC addresses announced to Internet: 68161792
Equivalent to 4 /8s, 16 /16s and 17 /24s
Percentage of available LACNIC address space announced: 67.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 6083
Total AfriNIC prefixes after maximum aggregation: 1591
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 4448
Unique aggregates announced from the AfriNIC address blocks: 1590
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 13.28
AfriNIC Region origin ASes announcing only one prefix: 102
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13024256
Equivalent to 0 /8s, 198 /16s and 188 /24s
Percentage of available AfriNIC address space announced: 38.8
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 1772 7505 456 Korea Telecom (KIX)
17488 1357 142 126 Hathway IP Over Cable Interne
4755 1273 291 146 TATA Communications formerly
9583 1094 86 531 Sify Limited
4134 1010 19185 393 CHINANET-BACKBONE
18101 976 204 33 Reliance Infocom Ltd Internet
7545 901 199 100 TPG Internet Pty Ltd
9829 853 665 21 BSNL National Internet Backbo
17974 821 251 104 PT TELEKOMUNIKASI INDONESIA
24560 796 292 172 Bharti Airtel Ltd., Telemedia
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 4258 3883 313 bellsouth.net, inc.
4323 3726 1054 399 Time Warner Telecom
1785 1784 715 140 PaeTec Communications, Inc.
7018 1571 5837 1037 AT&T WorldNet Services
20115 1494 1482 667 Charter Communications
6478 1317 269 426 AT&T Worldnet Services
2386 1301 638 942 AT&T Data Communications Serv
3356 1217 10964 440 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1102 2600 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 516 98 209 Evolva Telecom
3292 448 1906 393 TDC Tele Danmark
35805 433 40 5 United Telecom of Georgia
702 416 1822 335 UUNET - Commercial IP service
9198 398 138 12 Kazakhtelecom Data Network Ad
8866 364 110 23 Bulgarian Telecommunication C
3320 356 7067 303 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 344 1412 302 TeliaNet Sweden
9121 318 1698 26 TTnet Autonomous System
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 1560 2899 237 UniNet S.A. de C.V.
10620 1033 228 102 TVCABLE BOGOTA
28573 795 662 89 NET Servicos de Comunicao S.A
7303 660 349 95 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 444 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 430 858 29 Telecomunicacoes da Bahia S.A
6471 422 96 31 ENTEL CHILE 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 1045 188 7 TEDATA
24863 943 98 72 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 149 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
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 4258 3883 313 bellsouth.net, inc.
4323 3726 1054 399 Time Warner Telecom
1785 1784 715 140 PaeTec Communications, Inc.
4766 1772 7505 456 Korea Telecom (KIX)
7018 1571 5837 1037 AT&T WorldNet Services
8151 1560 2899 237 UniNet S.A. de C.V.
20115 1494 1482 667 Charter Communications
17488 1357 142 126 Hathway IP Over Cable Interne
6478 1317 269 426 AT&T Worldnet Services
2386 1301 638 942 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
4323 3726 3327 Time Warner Telecom
1785 1784 1644 PaeTec Communications, Inc.
8151 1560 1323 UniNet S.A. de C.V.
4766 1772 1316 Korea Telecom (KIX)
17488 1357 1231 Hathway IP Over Cable Interne
4755 1273 1127 TATA Communications formerly
11492 1137 1124 Cable One
18566 1059 1049 Covad Communications
8452 1045 1038 TEDATA
22773 1102 1036 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
2.0.0.0/16 12654 RIPE NCC RIS Project
2.1.0.0/21 12654 RIPE NCC RIS Project
2.1.24.0/24 12654 RIPE NCC RIS Project
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
46.0.0.0/16 12654 RIPE NCC RIS Project
46.1.0.0/21 12654 RIPE NCC RIS Project
46.1.24.0/24 12654 RIPE NCC RIS Project
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 /8:20 /9:10 /10:25 /11:65 /12:177
/13:361 /14:639 /15:1218 /16:10730 /17:4949 /18:8502
/19:17532 /20:21200 /21:21162 /22:27465 /23:27300 /24:157650
/25:944 /26:1127 /27:563 /28:211 /29:10 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2784 4258 bellsouth.net, inc.
4323 2351 3726 Time Warner Telecom
4766 1437 1772 Korea Telecom (KIX)
1785 1248 1784 PaeTec Communications, Inc.
17488 1134 1357 Hathway IP Over Cable Interne
11492 1061 1137 Cable One
18566 1040 1059 Covad Communications
9583 946 1094 Sify Limited
8452 945 1045 TEDATA
7018 943 1571 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:16 8:233 12:2135 13:8 15:22
16:3 17:5 20:36 24:1246 32:49 34:2
38:609 40:99 41:1813 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:631
59:612 60:443 61:986 62:969 63:1995 64:3663
65:2364 66:4093 67:1756 68:995 69:2797 70:591
71:156 72:1745 73:2 74:1982 75:183 76:361
77:857 78:582 79:377 80:940 81:817 82:480
83:439 84:539 85:1012 86:377 87:696 88:426
89:1508 90:52 91:2641 92:420 93:1168 94:1304
95:811 96:191 97:273 98:395 99:31 109:142
110:266 111:456 112:145 113:163 114:287 115:354
116:1004 117:585 118:349 119:786 120:127 121:702
122:1299 123:780 124:1052 125:1349 128:221 129:218
130:130 131:426 132:76 133:16 134:186 135:43
136:232 137:166 138:179 139:84 140:439 141:122
142:390 143:342 144:363 145:50 146:393 147:168
148:558 149:197 150:150 151:172 152:213 153:158
154:2 155:273 156:168 157:312 158:94 159:358
160:293 161:174 162:274 163:159 164:278 165:468
166:484 167:392 168:749 169:160 170:552 171:42
172:1 173:387 174:393 175:1 178:1 180:168
182:1 184:1 186:157 187:187 188:1266 189:627
190:3196 192:5743 193:4267 194:3337 195:2733 196:1157
198:3567 199:3361 200:5196 201:1356 202:7881 203:8230
204:3940 205:2159 206:2405 207:3008 208:3977 209:3433
210:2542 211:1145 212:1641 213:1635 214:179 215:40
216:4430 217:1345 218:473 219:424 220:1139 221:453
222:303
End of report