Routing Table Report 04:00 +10GMT Tue 11 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 320726
Prefixes after maximum aggregation: 147742
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 155647
Total ASes present in the Internet Routing Table: 33947
Prefixes per ASN: 9.45
Origin-only ASes present in the Internet Routing Table: 29464
Origin ASes announcing only one prefix: 14336
Transit ASes present in the Internet Routing Table: 4483
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: 24
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 340
Unregistered ASNs in the Routing Table: 120
Number of 32-bit ASNs allocated by the RIRs: 560
Prefixes from 32-bit ASNs in the Routing Table: 626
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 183
Number of addresses announced to Internet: 2209127168
Equivalent to 131 /8s, 172 /16s and 155 /24s
Percentage of available address space announced: 59.6
Percentage of allocated address space announced: 64.9
Percentage of available address space allocated: 91.9
Percentage of address space in use by end-sites: 82.7
Total number of prefixes smaller than registry allocations: 153773
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76755
Total APNIC prefixes after maximum aggregation: 26734
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73418
Unique aggregates announced from the APNIC address blocks: 32213
APNIC Region origin ASes present in the Internet Routing Table: 4028
APNIC Prefixes per ASN: 18.23
APNIC Region origin ASes announcing only one prefix: 1101
APNIC Region transit ASes present in the Internet Routing Table: 625
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 513665600
Equivalent to 30 /8s, 157 /16s and 234 /24s
Percentage of available APNIC address space announced: 76.5
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: 133767
Total ARIN prefixes after maximum aggregation: 68770
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 106685
Unique aggregates announced from the ARIN address blocks: 40673
ARIN Region origin ASes present in the Internet Routing Table: 13680
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5279
ARIN Region transit ASes present in the Internet Routing Table: 1353
Average ARIN Region AS path length visible: 3.4
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 726652448
Equivalent to 43 /8s, 79 /16s and 214 /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, 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: 73635
Total RIPE prefixes after maximum aggregation: 42779
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 66550
Unique aggregates announced from the RIPE address blocks: 43812
RIPE Region origin ASes present in the Internet Routing Table: 14418
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7444
RIPE Region transit ASes present in the Internet Routing Table: 2164
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 425253792
Equivalent to 25 /8s, 88 /16s and 219 /24s
Percentage of available RIPE address space announced: 74.6
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: 28588
Total LACNIC prefixes after maximum aggregation: 6784
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 27006
Unique aggregates announced from the LACNIC address blocks: 13946
LACNIC Region origin ASes present in the Internet Routing Table: 1280
LACNIC Prefixes per ASN: 21.10
LACNIC Region origin ASes announcing only one prefix: 407
LACNIC Region transit ASes present in the Internet Routing Table: 219
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 72875264
Equivalent to 4 /8s, 87 /16s and 253 /24s
Percentage of available LACNIC address space announced: 72.4
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: 7136
Total AfriNIC prefixes after maximum aggregation: 1809
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 5434
Unique aggregates announced from the AfriNIC address blocks: 1648
AfriNIC Region origin ASes present in the Internet Routing Table: 360
AfriNIC Prefixes per ASN: 15.09
AfriNIC Region origin ASes announcing only one prefix: 105
AfriNIC Region transit ASes present in the Internet Routing Table: 80
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 17773056
Equivalent to 1 /8s, 15 /16s and 50 /24s
Percentage of available AfriNIC address space announced: 53.0
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 1848 8422 483 Korea Telecom (KIX)
17488 1314 140 123 Hathway IP Over Cable Interne
4755 1292 291 148 TATA Communications formerly
7545 1194 232 105 TPG Internet Pty Ltd
17974 1034 281 18 PT TELEKOMUNIKASI INDONESIA
9583 994 73 489 Sify Limited
4134 953 20743 402 CHINANET-BACKBONE
24560 892 304 166 Bharti Airtel Ltd., Telemedia
4808 844 1589 215 CNCGROUP IP network: China169
9829 795 680 41 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 3931 3733 288 bellsouth.net, inc.
4323 3838 1116 406 Time Warner Telecom
1785 1784 699 131 PaeTec Communications, Inc.
7018 1559 5758 987 AT&T WorldNet Services
20115 1536 1505 655 Charter Communications
2386 1306 585 926 AT&T Data Communications Serv
6478 1237 256 107 AT&T Worldnet Services
3356 1207 10920 420 Level 3 Communications, LLC
22773 1154 2606 72 Cox Communications, Inc.
11492 1149 222 14 Cable One
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 617 56 6 United Telecom of Georgia
3292 452 2027 393 TDC Tele Danmark
30890 438 100 205 Evolva Telecom
702 415 1869 330 UUNET - Commercial IP service
8551 401 355 37 Bezeq International
8866 395 117 18 Bulgarian Telecommunication C
3301 365 1413 321 TeliaNet Sweden
3320 365 7072 318 Deutsche Telekom AG
3215 333 3218 102 France Telecom Transpac
12479 329 576 5 Uni2 Autonomous System
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 1551 2965 245 UniNet S.A. de C.V.
10620 1031 230 148 TVCABLE BOGOTA
28573 891 735 89 NET Servicos de Comunicao S.A
7303 733 375 101 Telecom Argentina Stet-France
6503 563 172 212 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
18881 545 268 11 Global Village Telecom
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 461 195 70 Empresa Nacional de Telecomun
14117 447 30 13 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 1102 445 10 TEDATA
24863 707 147 42 LINKdotNET AS number
36992 626 275 170 Etisalat MISR
3741 273 852 232 The Internet Solution
2018 217 231 113 Tertiary Education Network
33776 214 11 14 Starcomms Nigeria Limited
24835 183 78 10 RAYA Telecom - Egypt
6713 176 167 12 Itissalat Al-MAGHRIB
29571 172 19 9 Ci Telecom Autonomous system
29975 133 506 14 Vodacom
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 3931 3733 288 bellsouth.net, inc.
4323 3838 1116 406 Time Warner Telecom
4766 1848 8422 483 Korea Telecom (KIX)
1785 1784 699 131 PaeTec Communications, Inc.
7018 1559 5758 987 AT&T WorldNet Services
8151 1551 2965 245 UniNet S.A. de C.V.
20115 1536 1505 655 Charter Communications
17488 1314 140 123 Hathway IP Over Cable Interne
2386 1306 585 926 AT&T Data Communications Serv
4755 1292 291 148 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 3838 3432 Time Warner Telecom
1785 1784 1653 PaeTec Communications, Inc.
4766 1848 1365 Korea Telecom (KIX)
8151 1551 1306 UniNet S.A. de C.V.
17488 1314 1191 Hathway IP Over Cable Interne
4755 1292 1144 TATA Communications formerly
11492 1149 1135 Cable One
6478 1237 1130 AT&T Worldnet Services
8452 1102 1092 TEDATA
7545 1194 1089 TPG Internet Pty Ltd
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 1239 Sprint
26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
26973 UNALLOCATED 12.39.155.0/24 1239 Sprint
26973 UNALLOCATED 12.39.159.0/24 1239 Sprint
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
41.202.96.0/19 29571 Ci Telecom Autonomous system
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 26452 Local Communications Networks
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
41.223.199.0/24 36990 Alkan Telecom Ltd
46.0.0.0/16 12654 RIPE NCC RIS Project
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 /10:25 /11:67 /12:192
/13:400 /14:688 /15:1263 /16:11056 /17:5280 /18:8982
/19:18281 /20:22544 /21:22655 /22:29412 /23:29007 /24:167890
/25:958 /26:1201 /27:630 /28:142 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2515 3931 bellsouth.net, inc.
4323 2333 3838 Time Warner Telecom
4766 1481 1848 Korea Telecom (KIX)
1785 1245 1784 PaeTec Communications, Inc.
17488 1063 1314 Hathway IP Over Cable Interne
11492 1057 1149 Cable One
18566 1040 1059 Covad Communications
8452 992 1102 TEDATA
10620 947 1031 TVCABLE BOGOTA
7018 938 1559 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:13 8:264 12:2008 13:10 15:23 16:3
17:8 20:21 24:1419 27:55 32:47 33:12
38:665 40:97 41:2329 44:3 46:1 47:26
52:6 55:7 56:2 57:24 58:722 59:518
60:431 61:1086 62:1043 63:1979 64:3842 65:2362
66:4174 67:1828 68:1088 69:2816 70:706 71:240
72:1834 73:2 74:2274 75:249 76:308 77:858
78:627 79:398 80:994 81:783 82:471 83:445
84:703 85:1048 86:457 87:697 88:325 89:1546
90:87 91:2736 92:480 93:1105 94:1405 95:590
96:245 97:310 98:565 99:28 109:468 110:334
111:491 112:255 113:287 114:395 115:590 116:1026
117:636 118:428 119:932 120:141 121:741 122:1434
123:881 124:1103 125:1300 128:210 129:208 130:197
131:561 132:246 133:17 134:194 135:44 136:225
137:172 138:254 139:92 140:485 141:137 142:353
143:391 144:473 145:52 146:428 147:166 148:597
149:286 150:153 151:168 152:262 153:167 154:2
155:330 156:184 157:324 158:107 159:369 160:313
161:204 162:266 163:174 164:411 165:529 166:492
167:396 168:801 169:161 170:703 171:50 172:1
173:727 174:663 175:92 178:74 180:463 182:49
183:249 184:40 186:377 187:322 188:1315 189:776
190:3649 192:5731 193:4674 194:3354 195:2769 196:1202
197:1 198:3569 199:3441 200:5350 201:1512 202:7988
203:8292 204:4058 205:2334 206:2536 207:3031 208:3915
209:3425 210:2509 211:1240 212:1729 213:1673 214:661
215:70 216:4551 217:1537 218:504 219:373 220:1107
221:400 222:313
End of report