Routing Table Report 04:00 +10GMT Tue 13 Jul, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 325204
Prefixes after maximum aggregation: 149730
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 158962
Total ASes present in the Internet Routing Table: 34317
Prefixes per ASN: 9.48
Origin-only ASes present in the Internet Routing Table: 29802
Origin ASes announcing only one prefix: 14433
Transit ASes present in the Internet Routing Table: 4515
Transit-only ASes present in the Internet Routing Table: 101
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (41664) 21
Prefixes from unregistered ASNs in the Routing Table: 302
Unregistered ASNs in the Routing Table: 115
Number of 32-bit ASNs allocated by the RIRs: 682
Prefixes from 32-bit ASNs in the Routing Table: 812
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 158
Number of addresses announced to Internet: 2254247008
Equivalent to 134 /8s, 93 /16s and 20 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.7
Total number of prefixes smaller than registry allocations: 154896
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78879
Total APNIC prefixes after maximum aggregation: 27056
APNIC Deaggregation factor: 2.92
Prefixes being announced from the APNIC address blocks: 75765
Unique aggregates announced from the APNIC address blocks: 33402
APNIC Region origin ASes present in the Internet Routing Table: 4111
APNIC Prefixes per ASN: 18.43
APNIC Region origin ASes announcing only one prefix: 1139
APNIC Region transit ASes present in the Internet Routing Table: 639
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 527017504
Equivalent to 31 /8s, 105 /16s and 166 /24s
Percentage of available APNIC address space announced: 78.5
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 1/8, 14/8, 27/8, 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, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 134253
Total ARIN prefixes after maximum aggregation: 69437
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 107085
Unique aggregates announced from the ARIN address blocks: 41947
ARIN Region origin ASes present in the Internet Routing Table: 13779
ARIN Prefixes per ASN: 7.77
ARIN Region origin ASes announcing only one prefix: 5281
ARIN Region transit ASes present in the Internet Routing Table: 1352
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729682464
Equivalent to 43 /8s, 126 /16s and 18 /24s
Percentage of available ARIN address space announced: 62.1
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, 50/8, 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, 107/8,
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: 74710
Total RIPE prefixes after maximum aggregation: 43314
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 67862
Unique aggregates announced from the RIPE address blocks: 44428
RIPE Region origin ASes present in the Internet Routing Table: 14574
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 7495
RIPE Region transit ASes present in the Internet Routing Table: 2168
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 433892896
Equivalent to 25 /8s, 220 /16s and 174 /24s
Percentage of available RIPE address space announced: 76.1
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, 31/8, 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, 176/8, 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: 28985
Total LACNIC prefixes after maximum aggregation: 6945
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 27463
Unique aggregates announced from the LACNIC address blocks: 14498
LACNIC Region origin ASes present in the Internet Routing Table: 1305
LACNIC Prefixes per ASN: 21.04
LACNIC Region origin ASes announcing only one prefix: 402
LACNIC Region transit ASes present in the Internet Routing Table: 229
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75296256
Equivalent to 4 /8s, 124 /16s and 238 /24s
Percentage of available LACNIC address space announced: 56.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 7318
Total AfriNIC prefixes after maximum aggregation: 1865
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 5612
Unique aggregates announced from the AfriNIC address blocks: 1604
AfriNIC Region origin ASes present in the Internet Routing Table: 376
AfriNIC Prefixes per ASN: 14.93
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 79
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC addresses announced to Internet: 19581952
Equivalent to 1 /8s, 42 /16s and 204 /24s
Percentage of available AfriNIC address space announced: 58.4
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 1857 8425 493 Korea Telecom (KIX)
4755 1371 296 163 TATA Communications formerly
7545 1368 232 106 TPG Internet Pty Ltd
17488 1331 145 127 Hathway IP Over Cable Interne
17974 1150 285 30 PT TELEKOMUNIKASI INDONESIA
9583 1010 76 489 Sify Limited
24560 951 306 174 Bharti Airtel Ltd., Telemedia
4134 878 21484 410 CHINANET-BACKBONE
4808 824 1575 219 CNCGROUP IP network: China169
9829 812 685 32 BSNL National Internet Backbo
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 3896 3734 290 bellsouth.net, inc.
4323 2719 1114 394 Time Warner Telecom
19262 1827 4562 274 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1548 1523 652 Charter Communications
7018 1510 5735 962 AT&T WorldNet Services
2386 1280 567 903 AT&T Data Communications Serv
6478 1275 257 159 AT&T Worldnet Services
3356 1173 10877 405 Level 3 Communications, LLC
22773 1168 2859 65 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
35805 651 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 441 111 207 Evolva Telecom
702 413 1869 325 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Data Network Ad
8866 402 117 18 Bulgarian Telecommunication C
8551 400 353 46 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
3301 372 1414 327 TeliaNet Sweden
34984 361 89 185 BILISIM TELEKOM
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 1526 3001 246 UniNet S.A. de C.V.
10620 1071 239 148 TVCABLE BOGOTA
28573 1031 795 98 NET Servicos de Comunicao S.A
7303 761 391 102 Telecom Argentina Stet-France
6503 681 175 219 AVANTEL, S.A.
22047 549 310 15 VTR PUNTO NET S.A.
3816 500 217 86 Empresa Nacional de Telecomun
14420 489 31 71 CORPORACION NACIONAL DE TELEC
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 451 99 77 Servicios Alestra S.A de C.V
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 1170 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 186 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 Tertiary Education Network
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 167 440 96 MTN Network Solutions
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 3896 3734 290 bellsouth.net, inc.
4323 2719 1114 394 Time Warner Telecom
4766 1857 8425 493 Korea Telecom (KIX)
19262 1827 4562 274 Verizon Global Networks
1785 1778 698 129 PaeTec Communications, Inc.
20115 1548 1523 652 Charter Communications
8151 1526 3001 246 UniNet S.A. de C.V.
7018 1510 5735 962 AT&T WorldNet Services
4755 1371 296 163 TATA Communications formerly
7545 1368 232 106 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2719 2325 Time Warner Telecom
1785 1778 1649 PaeTec Communications, Inc.
19262 1827 1553 Verizon Global Networks
4766 1857 1364 Korea Telecom (KIX)
8151 1526 1280 UniNet S.A. de C.V.
7545 1368 1262 TPG Internet Pty Ltd
4755 1371 1208 TATA Communications formerly
17488 1331 1204 Hathway IP Over Cable Interne
8452 1170 1160 TEDATA
17974 1150 1120 PT TELEKOMUNIKASI INDONESIA
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 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 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
31.0.0.0/16 12654 RIPE NCC RIS Project
31.1.0.0/21 12654 RIPE NCC RIS Project
31.1.24.0/24 12654 RIPE NCC RIS Project
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 6453 Teleglobe Inc.
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
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 /11:67 /12:195
/13:405 /14:707 /15:1285 /16:11181 /17:5353 /18:9181
/19:18438 /20:23000 /21:22958 /22:29838 /23:29584 /24:169698
/25:1041 /26:1327 /27:711 /28:120 /29:47 /30:6
/31:0 /32:7
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2495 3896 bellsouth.net, inc.
4766 1485 1857 Korea Telecom (KIX)
4323 1392 2719 Time Warner Telecom
1785 1239 1778 PaeTec Communications, Inc.
17488 1076 1331 Hathway IP Over Cable Interne
11492 1074 1165 Cable One
18566 1068 1087 Covad Communications
8452 1058 1170 TEDATA
10620 987 1071 TVCABLE BOGOTA
7018 909 1510 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:13 8:288 12:2017 13:7
14:1 15:22 16:3 17:8 20:6 24:1457
27:245 31:1 32:49 33:12 38:682 40:98
41:2421 44:3 46:1 47:18 52:9 55:4
56:2 57:28 58:752 59:502 60:459 61:1084
62:1055 63:1974 64:3663 65:2346 66:4047 67:1825
68:1108 69:2700 70:725 71:381 72:1946 73:2
74:2267 75:248 76:313 77:942 78:618 79:433
80:976 81:764 82:490 83:444 84:681 85:1050
86:454 87:679 88:331 89:1549 90:94 91:2866
92:490 93:991 94:1401 95:638 96:353 97:209
98:592 99:31 108:100 109:558 110:374 111:541
112:285 113:317 114:428 115:566 116:1082 117:644
118:483 119:949 120:133 121:723 122:1477 123:935
124:1110 125:1319 128:227 129:200 130:196 131:553
132:247 133:17 134:195 135:45 136:239 137:157
138:265 139:104 140:484 141:197 142:337 143:369
144:471 145:50 146:451 147:168 148:664 149:301
150:142 151:230 152:297 153:169 154:2 155:360
156:159 157:322 158:108 159:379 160:316 161:182
162:254 163:172 164:408 165:366 166:460 167:412
168:652 169:157 170:713 171:59 172:2 173:933
174:472 175:143 176:1 178:287 180:517 182:152
183:235 184:109 186:498 187:387 188:1012 189:788
190:3805 192:5724 193:4720 194:3403 195:2814 196:1187
198:3575 199:3454 200:5325 201:1564 202:7971 203:8288
204:4074 205:2323 206:2530 207:3126 208:3869 209:3450
210:2528 211:1269 212:1710 213:1637 214:640 215:69
216:4681 217:1528 218:497 219:378 220:1148 221:401
222:316 223:1
End of report