Routing Table Report 04:00 +10GMT Mon 10 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 320627
Prefixes after maximum aggregation: 147821
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 155663
Total ASes present in the Internet Routing Table: 33941
Prefixes per ASN: 9.45
Origin-only ASes present in the Internet Routing Table: 29459
Origin ASes announcing only one prefix: 14334
Transit ASes present in the Internet Routing Table: 4482
Transit-only ASes present in the Internet Routing Table: 103
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: 339
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: 624
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 183
Number of addresses announced to Internet: 2207347456
Equivalent to 131 /8s, 145 /16s and 115 /24s
Percentage of available address space announced: 59.6
Percentage of allocated address space announced: 64.8
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: 153723
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76625
Total APNIC prefixes after maximum aggregation: 26722
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73291
Unique aggregates announced from the APNIC address blocks: 32171
APNIC Region origin ASes present in the Internet Routing Table: 4020
APNIC Prefixes per ASN: 18.23
APNIC Region origin ASes announcing only one prefix: 1095
APNIC Region transit ASes present in the Internet Routing Table: 624
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 15
Number of APNIC addresses announced to Internet: 512196160
Equivalent to 30 /8s, 135 /16s and 126 /24s
Percentage of available APNIC address space announced: 76.3
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: 133809
Total ARIN prefixes after maximum aggregation: 68861
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106691
Unique aggregates announced from the ARIN address blocks: 40671
ARIN Region origin ASes present in the Internet Routing Table: 13675
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5274
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: 726641696
Equivalent to 43 /8s, 79 /16s and 172 /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: 73645
Total RIPE prefixes after maximum aggregation: 42792
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 66591
Unique aggregates announced from the RIPE address blocks: 43825
RIPE Region origin ASes present in the Internet Routing Table: 14426
RIPE Prefixes per ASN: 4.62
RIPE Region origin ASes announcing only one prefix: 7451
RIPE Region transit ASes present in the Internet Routing Table: 2163
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 425268384
Equivalent to 25 /8s, 89 /16s and 20 /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: 28640
Total LACNIC prefixes after maximum aggregation: 6770
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 27050
Unique aggregates announced from the LACNIC address blocks: 13941
LACNIC Region origin ASes present in the Internet Routing Table: 1281
LACNIC Prefixes per ASN: 21.12
LACNIC Region origin ASes announcing only one prefix: 408
LACNIC Region transit ASes present in the Internet Routing Table: 222
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC addresses announced to Internet: 72861952
Equivalent to 4 /8s, 87 /16s and 201 /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: 7065
Total AfriNIC prefixes after maximum aggregation: 1810
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 5366
Unique aggregates announced from the AfriNIC address blocks: 1651
AfriNIC Region origin ASes present in the Internet Routing Table: 361
AfriNIC Prefixes per ASN: 14.86
AfriNIC Region origin ASes announcing only one prefix: 106
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: 17842432
Equivalent to 1 /8s, 16 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 53.2
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 1847 8406 480 Korea Telecom (KIX)
17488 1314 140 123 Hathway IP Over Cable Interne
4755 1292 291 148 TATA Communications formerly
7545 1185 232 104 TPG Internet Pty Ltd
17974 1027 281 18 PT TELEKOMUNIKASI INDONESIA
9583 993 73 489 Sify Limited
4134 950 20455 399 CHINANET-BACKBONE
24560 891 304 166 Bharti Airtel Ltd., Telemedia
4808 844 1589 215 CNCGROUP IP network: China169
9829 796 680 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 3832 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 1223 251 151 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 402 356 37 Bezeq International
8866 395 117 18 Bulgarian Telecommunication C
3301 365 1413 321 TeliaNet Sweden
3320 365 7072 318 Deutsche Telekom AG
3215 346 3218 102 France Telecom Transpac
12479 330 576 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 1553 2965 245 UniNet S.A. de C.V.
10620 1031 230 148 TVCABLE BOGOTA
28573 890 727 89 NET Servicos de Comunicao S.A
7303 734 375 100 Telecom Argentina Stet-France
6503 564 172 212 AVANTEL, S.A.
22047 548 310 15 VTR PUNTO NET S.A.
18881 544 268 11 Global Village Telecom
7738 477 922 30 Telecomunicacoes da Bahia S.A
3816 460 195 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 1040 445 10 TEDATA
24863 711 147 42 LINKdotNET AS number
36992 624 273 170 Etisalat MISR
3741 273 852 232 The Internet Solution
2018 216 230 112 Tertiary Education Network
33776 216 11 14 Starcomms Nigeria Limited
24835 183 78 10 RAYA Telecom - Egypt
6713 177 171 13 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 3832 1116 406 Time Warner Telecom
4766 1847 8406 480 Korea Telecom (KIX)
1785 1784 699 131 PaeTec Communications, Inc.
7018 1559 5758 987 AT&T WorldNet Services
8151 1553 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 3832 3426 Time Warner Telecom
1785 1784 1653 PaeTec Communications, Inc.
4766 1847 1367 Korea Telecom (KIX)
8151 1553 1308 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
22773 1154 1082 Cox Communications, Inc.
7545 1185 1081 TPG Internet Pty Ltd
6478 1223 1072 AT&T Worldnet Services
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
/13:398 /14:688 /15:1261 /16:11048 /17:5274 /18:8970
/19:18291 /20:22532 /21:22653 /22:29393 /23:28994 /24:167858
/25:957 /26:1200 /27:630 /28:143 /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 2330 3832 Time Warner Telecom
4766 1481 1847 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
10620 947 1031 TVCABLE BOGOTA
8452 945 1040 TEDATA
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 12:2007 13:10 15:23 16:3
17:8 20:21 24:1418 27:55 32:47 33:12
38:665 40:97 41:2281 44:3 46:1 47:25
52:6 55:5 56:2 57:24 58:722 59:517
60:431 61:1083 62:1029 63:1978 64:3843 65:2364
66:4167 67:1828 68:1089 69:2814 70:706 71:240
72:1832 73:2 74:2275 75:249 76:308 77:857
78:627 79:391 80:993 81:788 82:472 83:445
84:701 85:1048 86:459 87:697 88:325 89:1552
90:87 91:2736 92:480 93:1098 94:1401 95:590
96:245 97:309 98:565 99:28 109:468 110:331
111:488 112:255 113:287 114:395 115:587 116:1026
117:635 118:425 119:930 120:141 121:740 122:1434
123:871 124:1109 125:1298 128:210 129:208 130:197
131:561 132:246 133:17 134:194 135:44 136:225
137:172 138:252 139:92 140:483 141:136 142:354
143:386 144:474 145:52 146:425 147:166 148:598
149:316 150:153 151:169 152:262 153:166 154:2
155:329 156:184 157:324 158:107 159:369 160:315
161:204 162:270 163:174 164:411 165:533 166:496
167:396 168:801 169:161 170:703 171:50 172:1
173:727 174:663 175:92 178:74 180:457 182:49
183:249 184:39 186:378 187:334 188:1309 189:774
190:3649 192:5731 193:4694 194:3357 195:2765 196:1202
197:1 198:3567 199:3440 200:5346 201:1517 202:7991
203:8296 204:4057 205:2336 206:2536 207:3032 208:3915
209:3426 210:2506 211:1239 212:1729 213:1681 214:663
215:70 216:4560 217:1541 218:505 219:372 220:1107
221:400 222:313
End of report