Routing Table Report 04:00 +10GMT Thu 24 Sep, 2009
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 298670
Prefixes after maximum aggregation: 139868
Deaggregation factor: 2.14
Unique aggregates announced to Internet: 147970
Total ASes present in the Internet Routing Table: 32236
Prefixes per ASN: 9.27
Origin-only ASes present in the Internet Routing Table: 28016
Origin ASes announcing only one prefix: 13675
Transit ASes present in the Internet Routing Table: 4220
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: 443
Unregistered ASNs in the Routing Table: 121
Number of 32-bit ASNs allocated by the RIRs: 278
Prefixes from 32-bit ASNs in the Routing Table: 135
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 225
Number of addresses announced to Internet: 2108433536
Equivalent to 125 /8s, 172 /16s and 36 /24s
Percentage of available address space announced: 56.9
Percentage of allocated address space announced: 64.5
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.0
Total number of prefixes smaller than registry allocations: 143653
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 71477
Total APNIC prefixes after maximum aggregation: 25059
APNIC Deaggregation factor: 2.85
Prefixes being announced from the APNIC address blocks: 67895
Unique aggregates announced from the APNIC address blocks: 30264
APNIC Region origin ASes present in the Internet Routing Table: 3803
APNIC Prefixes per ASN: 17.85
APNIC Region origin ASes announcing only one prefix: 1042
APNIC Region transit ASes present in the Internet Routing Table: 586
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 14
Number of APNIC addresses announced to Internet: 460509984
Equivalent to 27 /8s, 114 /16s and 211 /24s
Percentage of available APNIC address space announced: 78.4
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: 126836
Total ARIN prefixes after maximum aggregation: 66627
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 101232
Unique aggregates announced from the ARIN address blocks: 38415
ARIN Region origin ASes present in the Internet Routing Table: 13250
ARIN Prefixes per ASN: 7.64
ARIN Region origin ASes announcing only one prefix: 5126
ARIN Region transit ASes present in the Internet Routing Table: 1295
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 24
Number of ARIN addresses announced to Internet: 706126208
Equivalent to 42 /8s, 22 /16s and 161 /24s
Percentage of available ARIN address space announced: 61.9
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: 68591
Total RIPE prefixes after maximum aggregation: 40108
RIPE Deaggregation factor: 1.71
Prefixes being announced from the RIPE address blocks: 62319
Unique aggregates announced from the RIPE address blocks: 41614
RIPE Region origin ASes present in the Internet Routing Table: 13490
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7033
RIPE Region transit ASes present in the Internet Routing Table: 2037
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 399718976
Equivalent to 23 /8s, 211 /16s and 58 /24s
Percentage of available RIPE address space announced: 74.5
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: 25514
Total LACNIC prefixes after maximum aggregation: 6254
LACNIC Deaggregation factor: 4.08
Prefixes being announced from the LACNIC address blocks: 23788
Unique aggregates announced from the LACNIC address blocks: 13288
LACNIC Region origin ASes present in the Internet Routing Table: 1183
LACNIC Prefixes per ASN: 20.11
LACNIC Region origin ASes announcing only one prefix: 381
LACNIC Region transit ASes present in the Internet Routing Table: 190
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 21
Number of LACNIC addresses announced to Internet: 66558976
Equivalent to 3 /8s, 247 /16s and 156 /24s
Percentage of available LACNIC address space announced: 66.1
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: 5874
Total AfriNIC prefixes after maximum aggregation: 1552
AfriNIC Deaggregation factor: 3.78
Prefixes being announced from the AfriNIC address blocks: 4244
Unique aggregates announced from the AfriNIC address blocks: 1522
AfriNIC Region origin ASes present in the Internet Routing Table: 318
AfriNIC Prefixes per ASN: 13.35
AfriNIC Region origin ASes announcing only one prefix: 93
AfriNIC Region transit ASes present in the Internet Routing Table: 65
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 12405504
Equivalent to 0 /8s, 189 /16s and 75 /24s
Percentage of available AfriNIC address space announced: 37.0
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 6995 453 Korea Telecom (KIX)
17488 1511 136 104 Hathway IP Over Cable Interne
4755 1267 292 144 TATA Communications formerly
9583 1099 87 532 Sify Limited
4134 1005 18168 391 CHINANET-BACKBONE
18101 977 204 34 Reliance Infocom Ltd Internet
7545 839 198 98 TPG Internet Pty Ltd
9829 809 625 18 BSNL National Internet Backbo
4808 791 1518 181 CNCGROUP IP network: China169
24560 771 285 163 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 4170 3627 313 bellsouth.net, inc.
4323 3696 1045 384 Time Warner Telecom
1785 1748 714 138 PaeTec Communications, Inc.
7018 1499 5875 1055 AT&T WorldNet Services
20115 1481 1477 670 Charter Communications
6478 1430 285 257 AT&T Worldnet Services
2386 1320 657 952 AT&T Data Communications Serv
3356 1229 10964 441 Level 3 Communications, LLC
11492 1124 208 12 Cable One
22773 1106 2604 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 493 93 202 Evolva Telecom
3292 446 1900 393 TDC Tele Danmark
12479 426 578 6 Uni2 Autonomous System
702 424 1822 342 UUNET - Commercial IP service
35805 407 40 5 United Telecom of Georgia
9198 375 138 12 Kazakhtelecom Data Network Ad
8866 358 110 23 Bulgarian Telecommunication C
3320 354 7068 304 Deutsche Telekom AG
3301 351 1412 308 TeliaNet Sweden
3215 348 3120 112 France Telecom Transpac
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 1480 2899 246 UniNet S.A. de C.V.
10620 1014 227 95 TVCABLE BOGOTA
28573 713 622 62 NET Servicos de Comunicao S.A
7303 642 339 91 Telecom Argentina Stet-France
22047 540 302 14 VTR PUNTO NET S.A.
11830 475 310 61 Instituto Costarricense de El
11172 440 99 70 Servicios Alestra S.A de C.V
7738 424 858 29 Telecomunicacoes da Bahia S.A
6471 423 96 31 ENTEL CHILE S.A.
14117 418 29 11 Telefonica del Sur 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 978 188 7 TEDATA
24863 940 97 62 LINKdotNET AS number
3741 272 856 234 The Internet Solution
2018 197 187 116 Tertiary Education Network
6713 175 166 16 Itissalat Al-MAGHRIB
29571 139 14 6 Ci Telecom Autonomous system
24835 123 46 9 RAYA Telecom - Egypt
33776 123 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 118 520 69 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 4170 3627 313 bellsouth.net, inc.
4323 3696 1045 384 Time Warner Telecom
4766 1762 6995 453 Korea Telecom (KIX)
1785 1748 714 138 PaeTec Communications, Inc.
17488 1511 136 104 Hathway IP Over Cable Interne
7018 1499 5875 1055 AT&T WorldNet Services
20115 1481 1477 670 Charter Communications
8151 1480 2899 246 UniNet S.A. de C.V.
6478 1430 285 257 AT&T Worldnet Services
2386 1320 657 952 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 3696 3312 Time Warner Telecom
1785 1748 1610 PaeTec Communications, Inc.
17488 1511 1407 Hathway IP Over Cable Interne
4766 1762 1309 Korea Telecom (KIX)
8151 1480 1234 UniNet S.A. de C.V.
6478 1430 1173 AT&T Worldnet Services
4755 1267 1123 TATA Communications formerly
11492 1124 1112 Cable One
18566 1062 1052 Covad Communications
22773 1106 1040 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<<
41.223.189.0/24 26452 Local Communications Networks
43.245.0.0/16 7502 Internetwork Kyoto
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 /8:19 /9:10 /10:24 /11:63 /12:176
/13:354 /14:625 /15:1199 /16:10673 /17:4827 /18:8368
/19:17450 /20:20855 /21:20900 /22:27079 /23:26710 /24:156547
/25:931 /26:1059 /27:568 /28:170 /29:40 /30:15
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2701 4170 bellsouth.net, inc.
4323 2358 3696 Time Warner Telecom
4766 1435 1762 Korea Telecom (KIX)
17488 1265 1511 Hathway IP Over Cable Interne
1785 1214 1748 PaeTec Communications, Inc.
11492 1052 1124 Cable One
18566 1043 1062 Covad Communications
9583 951 1099 Sify Limited
10620 920 1014 TVCABLE BOGOTA
8452 902 978 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:219 12:2146 13:7 15:22
16:3 17:5 20:36 24:1154 32:52 34:2
38:604 40:97 41:1705 43:1 44:2 46:1
47:16 52:6 55:2 56:2 57:25 58:612
59:635 60:462 61:1076 62:1029 63:2016 64:3737
65:2399 66:4095 67:1778 68:957 69:2770 70:569
71:156 72:1656 73:2 74:1950 75:179 76:320
77:875 78:598 79:391 80:907 81:804 82:517
83:438 84:534 85:1030 86:382 87:678 88:393
89:1485 90:58 91:2549 92:402 93:1239 94:1197
95:1098 96:167 97:265 98:297 99:30 109:38
110:204 111:439 112:137 113:153 114:260 115:342
116:1124 117:564 118:324 119:777 120:129 121:776
122:1285 123:769 124:1052 125:1348 128:221 129:216
130:129 131:424 132:75 133:10 134:174 135:42
136:241 137:164 138:176 139:85 140:440 141:121
142:382 143:338 144:376 145:49 146:390 147:168
148:549 149:213 150:209 151:183 152:215 153:155
154:2 155:267 156:165 157:308 158:113 159:354
160:291 161:164 162:271 163:166 164:280 165:522
166:474 167:374 168:791 169:165 170:474 171:44
172:2 173:418 174:335 175:1 178:1 180:26
182:1 186:142 187:154 188:978 189:589 190:3018
192:5773 193:4274 194:3288 195:2756 196:1146 198:3555
199:3355 200:5187 201:1310 202:7845 203:8266 204:3931
205:2192 206:2436 207:2990 208:3945 209:3481 210:2559
211:1127 212:1592 213:1635 214:185 215:40 216:4397
217:1316 218:413 219:447 220:1132 221:443 222:321
End of report