Routing Table Report 04:00 +10GMT Fri 11 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 306311
Prefixes after maximum aggregation: 142506
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 150603
Total ASes present in the Internet Routing Table: 32890
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 28567
Origin ASes announcing only one prefix: 13935
Transit ASes present in the Internet Routing Table: 4323
Transit-only ASes present in the Internet Routing Table: 99
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN (22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1007
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 351
Prefixes from 32-bit ASNs in the Routing Table: 299
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2160251904
Equivalent to 128 /8s, 194 /16s and 212 /24s
Percentage of available address space announced: 58.3
Percentage of allocated address space announced: 66.1
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.3
Total number of prefixes smaller than registry allocations: 147221
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 73681
Total APNIC prefixes after maximum aggregation: 25490
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 70360
Unique aggregates announced from the APNIC address blocks: 31043
APNIC Region origin ASes present in the Internet Routing Table: 3892
APNIC Prefixes per ASN: 18.08
APNIC Region origin ASes announcing only one prefix: 1061
APNIC Region transit ASes present in the Internet Routing Table: 606
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 483786784
Equivalent to 28 /8s, 214 /16s and 0 /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, 133/8, 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: 128472
Total ARIN prefixes after maximum aggregation: 67405
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103013
Unique aggregates announced from the ARIN address blocks: 38859
ARIN Region origin ASes present in the Internet Routing Table: 13394
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5181
ARIN Region transit ASes present in the Internet Routing Table: 1322
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 733415968
Equivalent to 43 /8s, 183 /16s and 10 /24s
Percentage of available ARIN address space announced: 64.3
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: 70562
Total RIPE prefixes after maximum aggregation: 41236
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 63961
Unique aggregates announced from the RIPE address blocks: 42668
RIPE Region origin ASes present in the Internet Routing Table: 13859
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7203
RIPE Region transit ASes present in the Internet Routing Table: 2079
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 406498368
Equivalent to 24 /8s, 58 /16s and 172 /24s
Percentage of available RIPE address space announced: 75.7
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: 26804
Total LACNIC prefixes after maximum aggregation: 6487
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 25125
Unique aggregates announced from the LACNIC address blocks: 13751
LACNIC Region origin ASes present in the Internet Routing Table: 1224
LACNIC Prefixes per ASN: 20.53
LACNIC Region origin ASes announcing only one prefix: 396
LACNIC Region transit ASes present in the Internet Routing Table: 201
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69059840
Equivalent to 4 /8s, 29 /16s and 197 /24s
Percentage of available LACNIC address space announced: 68.6
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: 5929
Total AfriNIC prefixes after maximum aggregation: 1568
AfriNIC Deaggregation factor: 3.78
Prefixes being announced from the AfriNIC address blocks: 4346
Unique aggregates announced from the AfriNIC address blocks: 1519
AfriNIC Region origin ASes present in the Internet Routing Table: 337
AfriNIC Prefixes per ASN: 12.90
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 14297088
Equivalent to 0 /8s, 218 /16s and 40 /24s
Percentage of available AfriNIC address space announced: 42.6
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 1779 7507 460 Korea Telecom (KIX)
17488 1459 143 132 Hathway IP Over Cable Interne
4755 1280 296 148 TATA Communications formerly
9583 1015 76 505 Sify Limited
4134 1012 19458 393 CHINANET-BACKBONE
18101 986 204 34 Reliance Infocom Ltd Internet
7545 917 198 98 TPG Internet Pty Ltd
9829 850 674 22 BSNL National Internet Backbo
17974 848 270 58 PT TELEKOMUNIKASI INDONESIA
24560 809 294 175 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 4233 3895 312 bellsouth.net, inc.
4323 3769 1068 401 Time Warner Telecom
1785 1785 699 135 PaeTec Communications, Inc.
7018 1588 5807 1030 AT&T WorldNet Services
20115 1525 1483 666 Charter Communications
2386 1292 632 933 AT&T Data Communications Serv
3356 1202 10945 426 Level 3 Communications, LLC
6478 1177 255 336 AT&T Worldnet Services
11492 1145 222 14 Cable One
22773 1123 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 98 207 Evolva Telecom
9198 470 138 12 Kazakhtelecom Data Network Ad
35805 462 40 5 United Telecom of Georgia
3292 447 1903 392 TDC Tele Danmark
702 418 1837 336 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 375 110 23 Bulgarian Telecommunication C
3320 360 7068 306 Deutsche Telekom AG
3215 350 3160 112 France Telecom Transpac
3301 347 1411 303 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 1585 2899 231 UniNet S.A. de C.V.
10620 1002 223 136 TVCABLE BOGOTA
28573 820 668 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 548 302 14 VTR PUNTO NET S.A.
11830 473 308 59 Instituto Costarricense de El
11172 446 99 70 Servicios Alestra S.A de C.V
14117 437 29 11 Telefonica del Sur S.A.
7738 431 858 29 Telecomunicacoes da Bahia S.A
6503 430 163 181 AVANTEL, 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 1032 444 8 TEDATA
24863 709 143 52 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 177 196 103 Tertiary Education Network
6713 175 167 12 Itissalat Al-MAGHRIB
29571 152 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
33776 113 6 14 Starcomms Nigeria Limited
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 4233 3895 312 bellsouth.net, inc.
4323 3769 1068 401 Time Warner Telecom
1785 1785 699 135 PaeTec Communications, Inc.
4766 1779 7507 460 Korea Telecom (KIX)
7018 1588 5807 1030 AT&T WorldNet Services
8151 1585 2899 231 UniNet S.A. de C.V.
20115 1525 1483 666 Charter Communications
17488 1459 143 132 Hathway IP Over Cable Interne
2386 1292 632 933 AT&T Data Communications Serv
4755 1280 296 148 TATA Communications formerly
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3769 3368 Time Warner Telecom
1785 1785 1650 PaeTec Communications, Inc.
8151 1585 1354 UniNet S.A. de C.V.
17488 1459 1327 Hathway IP Over Cable Interne
4766 1779 1319 Korea Telecom (KIX)
4755 1280 1132 TATA Communications formerly
11492 1145 1131 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1032 1024 TEDATA
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 /8:21 /9:10 /10:25 /11:65 /12:180
/13:379 /14:645 /15:1228 /16:10810 /17:5018 /18:8588
/19:17655 /20:21546 /21:21482 /22:27754 /23:27700 /24:160255
/25:935 /26:1167 /27:589 /28:232 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2769 4233 bellsouth.net, inc.
4323 2371 3769 Time Warner Telecom
4766 1431 1779 Korea Telecom (KIX)
1785 1251 1785 PaeTec Communications, Inc.
17488 1225 1459 Hathway IP Over Cable Interne
11492 1067 1145 Cable One
18566 1040 1059 Covad Communications
7018 955 1588 AT&T WorldNet Services
8452 928 1032 TEDATA
10620 907 1002 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 2:1 4:13 8:225 12:2055 13:9
15:22 16:3 17:5 20:37 24:1283 32:49
38:625 40:99 41:1841 43:1 44:3 46:1
47:21 52:6 55:2 56:2 57:24 58:649
59:655 60:446 61:1101 62:969 63:2008 64:3758
65:2370 66:4103 67:1778 68:1020 69:2821 70:686
71:232 72:1890 73:2 74:2030 75:190 76:359
77:851 78:598 79:406 80:957 81:811 82:468
83:439 84:535 85:1020 86:381 87:685 88:420
89:1567 90:63 91:2659 92:444 93:1127 94:1340
95:833 96:199 97:281 98:429 99:24 109:184
110:279 111:500 112:157 113:205 114:286 115:477
116:1087 117:593 118:368 119:803 120:144 121:836
122:1308 123:797 124:1014 125:1342 128:212 129:200
130:134 131:460 132:83 133:16 134:182 135:41
136:229 137:168 138:239 139:82 140:459 141:121
142:375 143:340 144:391 145:53 146:390 147:173
148:568 149:192 150:148 151:173 152:219 153:161
154:2 155:270 156:171 157:326 158:98 159:361
160:298 161:174 162:281 163:163 164:308 165:472
166:490 167:392 168:752 169:159 170:563 171:42
172:1 173:393 174:438 180:208 183:161 184:2
186:236 187:168 188:1089 189:652 190:3386 192:5722
193:4318 194:3365 195:2779 196:1183 198:3547 199:3380
200:5242 201:1430 202:7960 203:8292 204:3978 205:2170
206:2409 207:3042 208:3970 209:3389 210:2564 211:1147
212:1643 213:1636 214:249 215:58 216:4420 217:1366
218:479 219:455 220:1139 221:446 222:300
End of report