Routing Table Report 04:00 +10GMT Sun 09 May, 2010
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 320451
Prefixes after maximum aggregation: 147739
Deaggregation factor: 2.17
Unique aggregates announced to Internet: 155618
Total ASes present in the Internet Routing Table: 33939
Prefixes per ASN: 9.44
Origin-only ASes present in the Internet Routing Table: 29462
Origin ASes announcing only one prefix: 14336
Transit ASes present in the Internet Routing Table: 4477
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: 27
Max AS path prepend of ASN (28009) 23
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: 621
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2207320064
Equivalent to 131 /8s, 145 /16s and 8 /24s
Percentage of available address space announced: 59.6
Percentage of allocated address space announced: 65.5
Percentage of available address space allocated: 90.9
Percentage of address space in use by end-sites: 82.7
Total number of prefixes smaller than registry allocations: 153640
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76624
Total APNIC prefixes after maximum aggregation: 26678
APNIC Deaggregation factor: 2.87
Prefixes being announced from the APNIC address blocks: 73294
Unique aggregates announced from the APNIC address blocks: 32180
APNIC Region origin ASes present in the Internet Routing Table: 4023
APNIC Prefixes per ASN: 18.22
APNIC Region origin ASes announcing only one prefix: 1099
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: 512205632
Equivalent to 30 /8s, 135 /16s and 163 /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: 133775
Total ARIN prefixes after maximum aggregation: 68831
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 106675
Unique aggregates announced from the ARIN address blocks: 40661
ARIN Region origin ASes present in the Internet Routing Table: 13670
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5271
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: 726657568
Equivalent to 43 /8s, 79 /16s and 234 /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: 73632
Total RIPE prefixes after maximum aggregation: 42792
RIPE Deaggregation factor: 1.72
Prefixes being announced from the RIPE address blocks: 66561
Unique aggregates announced from the RIPE address blocks: 43809
RIPE Region origin ASes present in the Internet Routing Table: 14428
RIPE Prefixes per ASN: 4.61
RIPE Region origin ASes announcing only one prefix: 7454
RIPE Region transit ASes present in the Internet Routing Table: 2159
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 21
Number of RIPE addresses announced to Internet: 425286816
Equivalent to 25 /8s, 89 /16s and 92 /24s
Percentage of available RIPE address space announced: 79.2
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: 28618
Total LACNIC prefixes after maximum aggregation: 6765
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 27026
Unique aggregates announced from the LACNIC address blocks: 13927
LACNIC Region origin ASes present in the Internet Routing Table: 1277
LACNIC Prefixes per ASN: 21.16
LACNIC Region origin ASes announcing only one prefix: 405
LACNIC Region transit ASes present in the Internet Routing Table: 219
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 27
Number of LACNIC addresses announced to Internet: 72834304
Equivalent to 4 /8s, 87 /16s and 93 /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: 6961
Total AfriNIC prefixes after maximum aggregation: 1807
AfriNIC Deaggregation factor: 3.85
Prefixes being announced from the AfriNIC address blocks: 5273
Unique aggregates announced from the AfriNIC address blocks: 1649
AfriNIC Region origin ASes present in the Internet Routing Table: 362
AfriNIC Prefixes per ASN: 14.57
AfriNIC Region origin ASes announcing only one prefix: 107
AfriNIC Region transit ASes present in the Internet Routing Table: 80
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC addresses announced to Internet: 17841920
Equivalent to 1 /8s, 16 /16s and 63 /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 1290 291 148 TATA Communications formerly
7545 1185 232 104 TPG Internet Pty Ltd
17974 1031 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 3930 3732 287 bellsouth.net, inc.
4323 3835 1116 406 Time Warner Telecom
1785 1784 699 131 PaeTec Communications, Inc.
7018 1557 5758 986 AT&T WorldNet Services
20115 1536 1505 655 Charter Communications
2386 1305 585 925 AT&T Data Communications Serv
6478 1223 251 151 AT&T Worldnet Services
3356 1207 10920 420 Level 3 Communications, LLC
22773 1153 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 404 356 38 Bezeq International
8866 395 117 18 Bulgarian Telecommunication C
3320 365 7072 318 Deutsche Telekom AG
3301 362 1413 319 TeliaNet Sweden
3215 346 3218 102 France Telecom Transpac
12479 331 576 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 1552 2965 244 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 563 171 211 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 955 445 10 TEDATA
24863 712 147 42 LINKdotNET AS number
36992 626 273 172 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 3930 3732 287 bellsouth.net, inc.
4323 3835 1116 406 Time Warner Telecom
4766 1847 8406 480 Korea Telecom (KIX)
1785 1784 699 131 PaeTec Communications, Inc.
7018 1557 5758 986 AT&T WorldNet Services
8151 1552 2965 244 UniNet S.A. de C.V.
20115 1536 1505 655 Charter Communications
17488 1314 140 123 Hathway IP Over Cable Interne
2386 1305 585 925 AT&T Data Communications Serv
4755 1290 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 3835 3429 Time Warner Telecom
1785 1784 1653 PaeTec Communications, Inc.
4766 1847 1367 Korea Telecom (KIX)
8151 1552 1308 UniNet S.A. de C.V.
17488 1314 1191 Hathway IP Over Cable Interne
4755 1290 1142 TATA Communications formerly
11492 1149 1135 Cable One
7545 1185 1081 TPG Internet Pty Ltd
22773 1153 1081 Cox Communications, Inc.
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 /15:1265 /16:11050 /17:5278 /18:8948
/19:18286 /20:22519 /21:22647 /22:29396 /23:29008 /24:167702
/25:956 /26:1202 /27:630 /28:141 /29:9 /30:7
/31:0 /32:8
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2514 3930 bellsouth.net, inc.
4323 2333 3835 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
7018 936 1557 AT&T WorldNet Services
8452 856 955 TEDATA
Complete listing at http://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 4:13 8:264 12:2005 13:10 15:23
16:3 17:8 20:21 24:1420 27:55 32:47
33:12 38:665 40:96 41:2192 44:2 46:1
47:25 52:6 55:5 56:2 57:24 58:722
59:517 60:431 61:1083 62:1029 63:1977 64:3839
65:2365 66:4167 67:1827 68:1089 69:2816 70:706
71:240 72:1834 73:2 74:2275 75:249 76:308
77:859 78:627 79:391 80:993 81:788 82:473
83:445 84:701 85:1048 86:459 87:697 88:325
89:1553 90:87 91:2729 92:480 93:1098 94:1401
95:590 96:245 97:308 98:565 99:28 109:468
110:332 111:489 112:255 113:287 114:395 115:586
116:1027 117:634 118:425 119:938 120:141 121:741
122:1432 123:884 124:1108 125:1298 128:210 129:208
130:197 131:561 132:246 133:17 134:194 135:45
136:225 137:171 138:254 139:92 140:482 141:136
142:354 143:386 144:471 145:52 146:425 147:166
148:597 149:316 150:153 151:169 152:262 153:166
154:2 155:329 156:183 157:323 158:107 159:369
160:313 161:204 162:270 163:173 164:411 165:532
166:496 167:396 168:801 169:161 170:697 171:50
172:1 173:726 174:664 175:92 178:74 180:454
182:47 183:253 184:39 186:378 187:324 188:1311
189:774 190:3646 192:5728 193:4692 194:3356 195:2766
196:1199 197:1 198:3558 199:3439 200:5348 201:1516
202:7983 203:8276 204:4054 205:2335 206:2535 207:3033
208:3915 209:3424 210:2506 211:1239 212:1730 213:1679
214:661 215:70 216:4560 217:1542 218:503 219:373
220:1107 221:400 222:313
End of report