Routing Table Report 04:00 +10GMT Tue 15 Dec, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 306502
Prefixes after maximum aggregation: 142575
Deaggregation factor: 2.15
Unique aggregates announced to Internet: 150730
Total ASes present in the Internet Routing Table: 32931
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 28597
Origin ASes announcing only one prefix: 13962
Transit ASes present in the Internet Routing Table: 4334
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: 24
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 1004
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 355
Prefixes from 32-bit ASNs in the Routing Table: 310
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 162
Number of addresses announced to Internet: 2161836288
Equivalent to 128 /8s, 219 /16s and 1 /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: 80.4
Total number of prefixes smaller than registry allocations: 147263
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 73799
Total APNIC prefixes after maximum aggregation: 25530
APNIC Deaggregation factor: 2.89
Prefixes being announced from the APNIC address blocks: 70477
Unique aggregates announced from the APNIC address blocks: 31069
APNIC Region origin ASes present in the Internet Routing Table: 3897
APNIC Prefixes per ASN: 18.08
APNIC Region origin ASes announcing only one prefix: 1066
APNIC Region transit ASes present in the Internet Routing Table: 607
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 483828000
Equivalent to 28 /8s, 214 /16s and 161 /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: 128449
Total ARIN prefixes after maximum aggregation: 67345
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103050
Unique aggregates announced from the ARIN address blocks: 38878
ARIN Region origin ASes present in the Internet Routing Table: 13402
ARIN Prefixes per ASN: 7.69
ARIN Region origin ASes announcing only one prefix: 5184
ARIN Region transit ASes present in the Internet Routing Table: 1324
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 733543968
Equivalent to 43 /8s, 184 /16s and 254 /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: 70687
Total RIPE prefixes after maximum aggregation: 41307
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 64059
Unique aggregates announced from the RIPE address blocks: 42690
RIPE Region origin ASes present in the Internet Routing Table: 13892
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7225
RIPE Region transit ASes present in the Internet Routing Table: 2085
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 407900736
Equivalent to 24 /8s, 80 /16s and 18 /24s
Percentage of available RIPE address space announced: 76.0
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: 26844
Total LACNIC prefixes after maximum aggregation: 6494
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 25142
Unique aggregates announced from the LACNIC address blocks: 13715
LACNIC Region origin ASes present in the Internet Routing Table: 1221
LACNIC Prefixes per ASN: 20.59
LACNIC Region origin ASes announcing only one prefix: 394
LACNIC Region transit ASes present in the Internet Routing Table: 202
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 20
Number of LACNIC addresses announced to Internet: 69075712
Equivalent to 4 /8s, 30 /16s and 3 /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: 5851
Total AfriNIC prefixes after maximum aggregation: 1572
AfriNIC Deaggregation factor: 3.72
Prefixes being announced from the AfriNIC address blocks: 4268
Unique aggregates announced from the AfriNIC address blocks: 1521
AfriNIC Region origin ASes present in the Internet Routing Table: 335
AfriNIC Prefixes per ASN: 12.74
AfriNIC Region origin ASes announcing only one prefix: 93
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: 14315776
Equivalent to 0 /8s, 218 /16s and 113 /24s
Percentage of available AfriNIC address space announced: 42.7
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 1781 7509 462 Korea Telecom (KIX)
17488 1460 145 133 Hathway IP Over Cable Interne
4755 1279 295 147 TATA Communications formerly
9583 1017 77 509 Sify Limited
4134 1014 19459 394 CHINANET-BACKBONE
18101 991 204 35 Reliance Infocom Ltd Internet
7545 917 198 96 TPG Internet Pty Ltd
17974 856 270 58 PT TELEKOMUNIKASI INDONESIA
9829 850 674 22 BSNL National Internet Backbo
24560 811 283 177 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 4195 3892 302 bellsouth.net, inc.
4323 3770 1068 400 Time Warner Telecom
1785 1791 699 135 PaeTec Communications, Inc.
7018 1588 5807 1030 AT&T WorldNet Services
20115 1526 1483 667 Charter Communications
2386 1290 630 931 AT&T Data Communications Serv
3356 1194 10928 420 Level 3 Communications, LLC
6478 1172 253 330 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 471 138 12 Kazakhtelecom Data Network Ad
35805 467 40 5 United Telecom of Georgia
3292 445 1903 390 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 361 7068 307 Deutsche Telekom AG
3215 350 3160 112 France Telecom Transpac
3301 348 1412 304 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 1583 2899 231 UniNet S.A. de C.V.
10620 1002 223 136 TVCABLE BOGOTA
28573 821 669 84 NET Servicos de Comunicao S.A
7303 665 351 96 Telecom Argentina Stet-France
22047 545 302 14 VTR PUNTO NET S.A.
11830 472 308 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 432 858 29 Telecomunicacoes da Bahia S.A
6503 431 163 182 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 946 444 8 TEDATA
24863 706 142 51 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 178 196 100 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29571 152 19 9 Ci Telecom Autonomous system
29975 134 506 15 Vodacom
33776 123 7 11 Starcomms Nigeria Limited
5536 121 8 18 Internet Egypt Network
5713 114 504 66 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 4195 3892 302 bellsouth.net, inc.
4323 3770 1068 400 Time Warner Telecom
1785 1791 699 135 PaeTec Communications, Inc.
4766 1781 7509 462 Korea Telecom (KIX)
7018 1588 5807 1030 AT&T WorldNet Services
8151 1583 2899 231 UniNet S.A. de C.V.
20115 1526 1483 667 Charter Communications
17488 1460 145 133 Hathway IP Over Cable Interne
2386 1290 630 931 AT&T Data Communications Serv
4755 1279 295 147 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 3770 3370 Time Warner Telecom
1785 1791 1656 PaeTec Communications, Inc.
8151 1583 1352 UniNet S.A. de C.V.
17488 1460 1327 Hathway IP Over Cable Interne
4766 1781 1319 Korea Telecom (KIX)
4755 1279 1132 TATA Communications formerly
11492 1145 1131 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
18101 991 956 Reliance Infocom Ltd Internet
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
/13:381 /14:644 /15:1229 /16:10815 /17:5025 /18:8578
/19:17679 /20:21558 /21:21522 /22:27800 /23:27707 /24:160307
/25:937 /26:1171 /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 2734 4195 bellsouth.net, inc.
4323 2370 3770 Time Warner Telecom
4766 1431 1781 Korea Telecom (KIX)
1785 1256 1791 PaeTec Communications, Inc.
17488 1225 1460 Hathway IP Over Cable Interne
11492 1067 1145 Cable One
18566 1040 1059 Covad Communications
7018 954 1588 AT&T WorldNet Services
10620 907 1002 TVCABLE BOGOTA
18101 875 991 Reliance Infocom Ltd Internet
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 8:237 12:2054 13:9
15:22 16:3 17:8 20:37 24:1283 32:49
38:627 40:99 41:1775 43:1 44:3 46:1
47:21 52:6 55:2 56:2 57:24 58:648
59:661 60:446 61:1102 62:970 63:2008 64:3790
65:2376 66:4099 67:1775 68:1020 69:2826 70:686
71:232 72:1878 73:3 74:2038 75:192 76:362
77:849 78:599 79:406 80:954 81:810 82:469
83:444 84:537 85:1016 86:382 87:689 88:417
89:1568 90:66 91:2661 92:449 93:1127 94:1310
95:837 96:188 97:288 98:432 99:24 109:187
110:279 111:498 112:156 113:216 114:295 115:477
116:1083 117:592 118:371 119:804 120:144 121:835
122:1312 123:792 124:1018 125:1328 128:212 129:201
130:134 131:439 132:83 133:16 134:183 135:41
136:228 137:168 138:234 139:82 140:451 141:121
142:375 143:335 144:389 145:53 146:390 147:173
148:568 149:193 150:148 151:173 152:219 153:161
154:2 155:270 156:171 157:330 158:97 159:357
160:299 161:174 162:281 163:162 164:308 165:471
166:492 167:391 168:754 169:160 170:561 171:42
172:1 173:392 174:445 175:16 180:206 183:166
184:3 186:240 187:186 188:1081 189:656 190:3405
192:5721 193:4338 194:3373 195:2777 196:1198 198:3551
199:3389 200:5246 201:1435 202:7972 203:8306 204:3982
205:2160 206:2401 207:3046 208:3958 209:3391 210:2561
211:1144 212:1643 213:1634 214:231 215:45 216:4422
217:1360 218:481 219:455 220:1150 221:449 222:300
End of report