Routing Table Report 04:00 +10GMT Fri 27 Nov, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 304236
Prefixes after maximum aggregation: 141946
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 150110
Total ASes present in the Internet Routing Table: 32794
Prefixes per ASN: 9.28
Origin-only ASes present in the Internet Routing Table: 28484
Origin ASes announcing only one prefix: 13894
Transit ASes present in the Internet Routing Table: 4310
Transit-only ASes present in the Internet Routing Table: 104
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: 670
Unregistered ASNs in the Routing Table: 144
Number of 32-bit ASNs allocated by the RIRs: 336
Prefixes from 32-bit ASNs in the Routing Table: 274
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 203
Number of addresses announced to Internet: 2136990080
Equivalent to 127 /8s, 95 /16s and 225 /24s
Percentage of available address space announced: 57.7
Percentage of allocated address space announced: 65.3
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: 146242
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 72737
Total APNIC prefixes after maximum aggregation: 25360
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 69271
Unique aggregates announced from the APNIC address blocks: 30730
APNIC Region origin ASes present in the Internet Routing Table: 3879
APNIC Prefixes per ASN: 17.86
APNIC Region origin ASes announcing only one prefix: 1057
APNIC Region transit ASes present in the Internet Routing Table: 598
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 23
Number of APNIC addresses announced to Internet: 472800032
Equivalent to 28 /8s, 46 /16s and 91 /24s
Percentage of available APNIC address space announced: 80.5
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: 128253
Total ARIN prefixes after maximum aggregation: 67300
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 102416
Unique aggregates announced from the ARIN address blocks: 38831
ARIN Region origin ASes present in the Internet Routing Table: 13370
ARIN Prefixes per ASN: 7.66
ARIN Region origin ASes announcing only one prefix: 5170
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: 731700768
Equivalent to 43 /8s, 156 /16s and 222 /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: 70503
Total RIPE prefixes after maximum aggregation: 40978
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 63689
Unique aggregates announced from the RIPE address blocks: 42284
RIPE Region origin ASes present in the Internet Routing Table: 13810
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7183
RIPE Region transit ASes present in the Internet Routing Table: 2071
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE addresses announced to Internet: 405381056
Equivalent to 24 /8s, 41 /16s and 159 /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: 26422
Total LACNIC prefixes after maximum aggregation: 6450
LACNIC Deaggregation factor: 4.10
Prefixes being announced from the LACNIC address blocks: 24743
Unique aggregates announced from the LACNIC address blocks: 13636
LACNIC Region origin ASes present in the Internet Routing Table: 1210
LACNIC Prefixes per ASN: 20.45
LACNIC Region origin ASes announcing only one prefix: 390
LACNIC Region transit ASes present in the Internet Routing Table: 200
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 68273920
Equivalent to 4 /8s, 17 /16s and 199 /24s
Percentage of available LACNIC address space announced: 67.8
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: 5815
Total AfriNIC prefixes after maximum aggregation: 1546
AfriNIC Deaggregation factor: 3.76
Prefixes being announced from the AfriNIC address blocks: 4217
Unique aggregates announced from the AfriNIC address blocks: 1432
AfriNIC Region origin ASes present in the Internet Routing Table: 332
AfriNIC Prefixes per ASN: 12.70
AfriNIC Region origin ASes announcing only one prefix: 94
AfriNIC Region transit ASes present in the Internet Routing Table: 70
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 13356800
Equivalent to 0 /8s, 203 /16s and 207 /24s
Percentage of available AfriNIC address space announced: 39.8
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 1762 7507 461 Korea Telecom (KIX)
17488 1447 143 133 Hathway IP Over Cable Interne
4755 1276 296 148 TATA Communications formerly
4134 1013 19459 395 CHINANET-BACKBONE
9583 1009 75 497 Sify Limited
18101 984 204 35 Reliance Infocom Ltd Internet
7545 910 198 99 TPG Internet Pty Ltd
17974 862 265 60 PT TELEKOMUNIKASI INDONESIA
9829 849 665 21 BSNL National Internet Backbo
24560 806 293 175 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 4244 3879 311 bellsouth.net, inc.
4323 3751 1069 399 Time Warner Telecom
1785 1780 714 136 PaeTec Communications, Inc.
7018 1590 5808 1035 AT&T WorldNet Services
20115 1520 1483 666 Charter Communications
2386 1297 632 933 AT&T Data Communications Serv
3356 1230 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 466 40 5 United Telecom of Georgia
3292 446 1906 391 TDC Tele Danmark
702 417 1837 335 UUNET - Commercial IP service
8551 377 354 41 Bezeq International
8866 370 110 23 Bulgarian Telecommunication C
3320 358 7067 304 Deutsche Telekom AG
3215 349 3144 111 France Telecom Transpac
3301 348 1428 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 1581 2898 234 UniNet S.A. de C.V.
10620 996 223 142 TVCABLE BOGOTA
28573 815 666 83 NET Servicos de Comunicao S.A
7303 662 349 94 Telecom Argentina Stet-France
22047 546 302 14 VTR PUNTO NET S.A.
11830 473 308 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
6503 424 162 184 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 1023 188 7 TEDATA
24863 753 130 46 LINKdotNET AS number
3741 273 857 233 The Internet Solution
2018 190 188 118 Tertiary Education Network
6713 176 167 12 Itissalat Al-MAGHRIB
29975 134 506 15 Vodacom
33776 124 7 11 Starcomms Nigeria Limited
5536 121 8 18 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 4244 3879 311 bellsouth.net, inc.
4323 3751 1069 399 Time Warner Telecom
1785 1780 714 136 PaeTec Communications, Inc.
4766 1762 7507 461 Korea Telecom (KIX)
7018 1590 5808 1035 AT&T WorldNet Services
8151 1581 2898 234 UniNet S.A. de C.V.
20115 1520 1483 666 Charter Communications
17488 1447 143 133 Hathway IP Over Cable Interne
2386 1297 632 933 AT&T Data Communications Serv
4755 1276 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 3751 3352 Time Warner Telecom
1785 1780 1644 PaeTec Communications, Inc.
8151 1581 1347 UniNet S.A. de C.V.
17488 1447 1314 Hathway IP Over Cable Interne
4766 1762 1301 Korea Telecom (KIX)
4755 1276 1128 TATA Communications formerly
11492 1142 1128 Cable One
22773 1123 1057 Cox Communications, Inc.
18566 1059 1049 Covad Communications
8452 1023 1016 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 /14:641 /15:1224 /16:10738 /17:4981 /18:8552
/19:17610 /20:21425 /21:21332 /22:27556 /23:27470 /24:159162
/25:920 /26:1128 /27:577 /28:232 /29:11 /30:8
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2776 4244 bellsouth.net, inc.
4323 2367 3751 Time Warner Telecom
4766 1430 1762 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 1590 AT&T WorldNet Services
8452 921 1023 TEDATA
10620 902 996 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 8:236 12:2056 13:8 15:22
16:3 17:5 20:36 24:1270 32:49 34:2
38:621 40:99 41:1755 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:23 58:641
59:610 60:444 61:978 62:959 63:2005 64:3696
65:2365 66:4077 67:1783 68:1002 69:2818 70:630
71:156 72:1756 73:2 74:2014 75:188 76:355
77:843 78:602 79:385 80:943 81:815 82:475
83:438 84:526 85:1011 86:382 87:686 88:442
89:1581 90:56 91:2655 92:447 93:1162 94:1327
95:832 96:201 97:276 98:425 99:27 109:171
110:273 111:463 112:151 113:179 114:285 115:378
116:1084 117:594 118:366 119:802 120:139 121:704
122:1304 123:796 124:1063 125:1345 128:214 129:203
130:134 131:453 132:82 133:16 134:186 135:41
136:232 137:166 138:234 139:84 140:467 141:122
142:381 143:338 144:386 145:52 146:392 147:171
148:558 149:192 150:148 151:172 152:219 153:161
154:2 155:273 156:166 157:314 158:97 159:360
160:294 161:175 162:277 163:163 164:316 165:469
166:490 167:391 168:753 169:159 170:559 171:42
172:1 173:394 174:401 180:204 183:138 184:1
186:179 187:173 188:1352 189:651 190:3285 192:5740
193:4310 194:3355 195:2766 196:1162 198:3561 199:3386
200:5248 201:1403 202:7921 203:8293 204:3982 205:2159
206:2411 207:3045 208:3970 209:3404 210:2538 211:1151
212:1644 213:1607 214:245 215:57 216:4437 217:1355
218:473 219:419 220:1137 221:445 222:307
End of report