Routing Table Report 04:00 +10GMT Mon 30 Nov, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 304442
Prefixes after maximum aggregation: 141991
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 150037
Total ASes present in the Internet Routing Table: 32810
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 28489
Origin ASes announcing only one prefix: 13895
Transit ASes present in the Internet Routing Table: 4321
Transit-only ASes present in the Internet Routing Table: 106
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: 705
Unregistered ASNs in the Routing Table: 157
Number of 32-bit ASNs allocated by the RIRs: 341
Prefixes from 32-bit ASNs in the Routing Table: 279
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 204
Number of addresses announced to Internet: 2137791872
Equivalent to 127 /8s, 108 /16s and 29 /24s
Percentage of available address space announced: 57.7
Percentage of allocated address space announced: 65.4
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 80.2
Total number of prefixes smaller than registry allocations: 146280
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72719
Total APNIC prefixes after maximum aggregation: 25384
APNIC Deaggregation factor: 2.86
Prefixes being announced from the APNIC address blocks: 69437
Unique aggregates announced from the APNIC address blocks: 30910
APNIC Region origin ASes present in the Internet Routing Table: 3884
APNIC Prefixes per ASN: 17.88
APNIC Region origin ASes announcing only one prefix: 1063
APNIC Region transit ASes present in the Internet Routing Table: 597
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 482355744
Equivalent to 28 /8s, 192 /16s and 42 /24s
Percentage of available APNIC address space announced: 79.9
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: 128241
Total ARIN prefixes after maximum aggregation: 67282
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 102387
Unique aggregates announced from the ARIN address blocks: 38813
ARIN Region origin ASes present in the Internet Routing Table: 13376
ARIN Prefixes per ASN: 7.65
ARIN Region origin ASes announcing only one prefix: 5174
ARIN Region transit ASes present in the Internet Routing Table: 1330
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN addresses announced to Internet: 731713312
Equivalent to 43 /8s, 157 /16s and 15 /24s
Percentage of available ARIN address space announced: 64.1
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: 70593
Total RIPE prefixes after maximum aggregation: 41000
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 63782
Unique aggregates announced from the RIPE address blocks: 42294
RIPE Region origin ASes present in the Internet Routing Table: 13811
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7170
RIPE Region transit ASes present in the Internet Routing Table: 2080
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405579456
Equivalent to 24 /8s, 44 /16s and 166 /24s
Percentage of available RIPE address space announced: 75.5
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: 26516
Total LACNIC prefixes after maximum aggregation: 6454
LACNIC Deaggregation factor: 4.11
Prefixes being announced from the LACNIC address blocks: 24842
Unique aggregates announced from the LACNIC address blocks: 13555
LACNIC Region origin ASes present in the Internet Routing Table: 1213
LACNIC Prefixes per ASN: 20.48
LACNIC Region origin ASes announcing only one prefix: 394
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: 23
Number of LACNIC addresses announced to Internet: 68746240
Equivalent to 4 /8s, 24 /16s and 252 /24s
Percentage of available LACNIC address space announced: 68.3
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: 5863
Total AfriNIC prefixes after maximum aggregation: 1555
AfriNIC Deaggregation factor: 3.77
Prefixes being announced from the AfriNIC address blocks: 4252
Unique aggregates announced from the AfriNIC address blocks: 1437
AfriNIC Region origin ASes present in the Internet Routing Table: 333
AfriNIC Prefixes per ASN: 12.77
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 71
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 13325824
Equivalent to 0 /8s, 203 /16s and 86 /24s
Percentage of available AfriNIC address space announced: 39.7
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 1767 7507 461 Korea Telecom (KIX)
17488 1447 143 133 Hathway IP Over Cable Interne
4755 1278 296 148 TATA Communications formerly
4134 1013 19459 395 CHINANET-BACKBONE
9583 1008 75 496 Sify Limited
18101 986 204 35 Reliance Infocom Ltd Internet
7545 911 198 98 TPG Internet Pty Ltd
17974 863 265 61 PT TELEKOMUNIKASI INDONESIA
9829 848 664 24 BSNL National Internet Backbo
24560 807 293 176 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 4241 3879 311 bellsouth.net, inc.
4323 3750 1069 399 Time Warner Telecom
1785 1780 714 136 PaeTec Communications, Inc.
7018 1585 5807 1033 AT&T WorldNet Services
20115 1519 1483 666 Charter Communications
2386 1296 632 932 AT&T Data Communications Serv
3356 1228 10966 447 Level 3 Communications, LLC
6478 1188 251 315 AT&T Worldnet Services
11492 1142 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 514 98 207 Evolva Telecom
9198 471 138 12 Kazakhtelecom Data Network Ad
35805 468 40 5 United Telecom of Georgia
3292 448 1906 393 TDC Tele Danmark
702 417 1837 335 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 371 110 23 Bulgarian Telecommunication C
3320 358 7067 304 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 346 1411 302 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 1572 2882 230 UniNet S.A. de C.V.
10620 1004 224 138 TVCABLE BOGOTA
28573 816 666 82 NET Servicos de Comunicao S.A
7303 663 350 94 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 474 308 59 Instituto Costarricense de El
11172 445 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
3816 425 193 72 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 1022 188 7 TEDATA
24863 753 130 46 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 190 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29975 134 506 15 Vodacom
29571 133 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 116 508 67 Telkom SA Ltd
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 4241 3879 311 bellsouth.net, inc.
4323 3750 1069 399 Time Warner Telecom
1785 1780 714 136 PaeTec Communications, Inc.
4766 1767 7507 461 Korea Telecom (KIX)
7018 1585 5807 1033 AT&T WorldNet Services
8151 1572 2882 230 UniNet S.A. de C.V.
20115 1519 1483 666 Charter Communications
17488 1447 143 133 Hathway IP Over Cable Interne
2386 1296 632 932 AT&T Data Communications Serv
4755 1278 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 3750 3351 Time Warner Telecom
1785 1780 1644 PaeTec Communications, Inc.
8151 1572 1342 UniNet S.A. de C.V.
17488 1447 1314 Hathway IP Over Cable Interne
4766 1767 1306 Korea Telecom (KIX)
4755 1278 1130 TATA Communications formerly
11492 1142 1128 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1022 1015 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 /8:20 /9:10 /10:25 /11:65 /12:178
/13:363 /14:645 /15:1230 /16:10761 /17:4989 /18:8578
/19:17629 /20:21434 /21:21365 /22:27602 /23:27476 /24:159187
/25:923 /26:1131 /27:579 /28:225 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2776 4241 bellsouth.net, inc.
4323 2366 3750 Time Warner Telecom
4766 1435 1767 Korea Telecom (KIX)
1785 1247 1780 PaeTec Communications, Inc.
17488 1220 1447 Hathway IP Over Cable Interne
11492 1064 1142 Cable One
18566 1040 1059 Covad Communications
7018 955 1585 AT&T WorldNet Services
8452 920 1022 TEDATA
10620 909 1004 TVCABLE BOGOTA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:237 12:2055 13:8 15:22
16:3 17:5 20:36 24:1270 32:49 34:2
38:625 40:99 41:1783 43:1 44:2 46:1
47:20 52:6 55:2 56:2 57:23 58:640
59:611 60:445 61:977 62:957 63:2006 64:3696
65:2365 66:4077 67:1781 68:1002 69:2821 70:630
71:155 72:1756 73:2 74:2014 75:188 76:355
77:849 78:601 79:389 80:938 81:816 82:475
83:442 84:528 85:1011 86:381 87:687 88:445
89:1562 90:63 91:2656 92:445 93:1151 94:1332
95:829 96:200 97:276 98:425 99:27 109:171
110:275 111:466 112:149 113:180 114:285 115:382
116:1086 117:593 118:365 119:802 120:139 121:702
122:1293 123:797 124:1056 125:1353 128:214 129:203
130:134 131:453 132:82 133:16 134:187 135:41
136:232 137:166 138:236 139:84 140:463 141:122
142:381 143:339 144:387 145:52 146:391 147:171
148:561 149:192 150:148 151:172 152:219 153:161
154:2 155:273 156:166 157:314 158:97 159:361
160:294 161:175 162:277 163:163 164:316 165:472
166:490 167:391 168:747 169:159 170:561 171:42
172:1 173:394 174:401 180:205 183:134 184:1
186:188 187:173 188:1349 189:648 190:3294 192:5733
193:4310 194:3353 195:2769 196:1177 198:3566 199:3381
200:5250 201:1407 202:7919 203:8274 204:3975 205:2155
206:2413 207:3044 208:3969 209:3392 210:2537 211:1152
212:1649 213:1619 214:245 215:57 216:4439 217:1359
218:476 219:419 220:1139 221:448 222:300
End of report