Routing Table Report 00:00 GMT Sun 08 Nov, 2009
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net
Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 307773
Prefixes after maximum aggregation: 142304
Deaggregation factor: 2.16
Unique aggregates announced to Internet: 100600
Total ASes present in the Internet Routing Table: 32672
Prefixes per ASN: 9.42
Origin-only ASes present in the Internet Routing Table: 28323
Origin ASes announcing only one prefix: 13794
Transit ASes present in the Internet Routing Table: 4349
Transit-only ASes present in the Internet Routing Table: 103
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 32
Max AS path prepend of ASN (12026) 22
Prefixes from unregistered ASNs in the Routing Table: 700
Unregistered ASNs in the Routing Table: 162
Number of 32-bit ASNs allocated by the RIRs: 314
Prefixes from 32-bit ASNs in the Routing Table: 258
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 201
Number of addresses announced to Internet: 1200068034
Equivalent to 71 /8s, 135 /16s and 149 /24s
Percentage of available address space announced: 32.4
Percentage of allocated address space announced: 36.7
Percentage of available address space allocated: 88.2
Percentage of address space in use by end-sites: 79.9
Total number of prefixes smaller than registry allocations: 148786
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 73524
Total APNIC prefixes after maximum aggregation: 25517
APNIC Deaggregation factor: 2.88
Prefixes being announced from the APNIC address blocks: 69927
Unique aggregates announced from the APNIC address blocks: 20538
APNIC Region origin ASes present in the Internet Routing Table: 3847
APNIC Prefixes per ASN: 18.18
APNIC Region origin ASes announcing only one prefix: 1052
APNIC Region transit ASes present in the Internet Routing Table: 586
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 20
Number of APNIC addresses announced to Internet: 222424832
Equivalent to 13 /8s, 65 /16s and 239 /24s
Percentage of available APNIC address space announced: 37.9
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: 129209
Total ARIN prefixes after maximum aggregation: 67573
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 103324
Unique aggregates announced from the ARIN address blocks: 24877
ARIN Region origin ASes present in the Internet Routing Table: 13355
ARIN Prefixes per ASN: 7.74
ARIN Region origin ASes announcing only one prefix: 5164
ARIN Region transit ASes present in the Internet Routing Table: 1350
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 26
Number of ARIN addresses announced to Internet: 456068865
Equivalent to 27 /8s, 47 /16s and 15 /24s
Percentage of available ARIN address space announced: 40.0
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: 71605
Total RIPE prefixes after maximum aggregation: 40951
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 64872
Unique aggregates announced from the RIPE address blocks: 19752
RIPE Region origin ASes present in the Internet Routing Table: 13738
RIPE Prefixes per ASN: 4.72
RIPE Region origin ASes announcing only one prefix: 7099
RIPE Region transit ASes present in the Internet Routing Table: 2088
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 23
Number of RIPE addresses announced to Internet: 105569420
Equivalent to 6 /8s, 74 /16s and 220 /24s
Percentage of available RIPE address space announced: 19.7
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: 26850
Total LACNIC prefixes after maximum aggregation: 6394
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 25159
Unique aggregates announced from the LACNIC address blocks: 13486
LACNIC Region origin ASes present in the Internet Routing Table: 1208
LACNIC Prefixes per ASN: 20.83
LACNIC Region origin ASes announcing only one prefix: 376
LACNIC Region transit ASes present in the Internet Routing Table: 203
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 32
Number of LACNIC addresses announced to Internet: 68106016
Equivalent to 4 /8s, 15 /16s and 55 /24s
Percentage of available LACNIC address space announced: 67.7
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: 6076
Total AfriNIC prefixes after maximum aggregation: 1571
AfriNIC Deaggregation factor: 3.87
Prefixes being announced from the AfriNIC address blocks: 4431
Unique aggregates announced from the AfriNIC address blocks: 1431
AfriNIC Region origin ASes present in the Internet Routing Table: 334
AfriNIC Prefixes per ASN: 13.27
AfriNIC Region origin ASes announcing only one prefix: 103
AfriNIC Region transit ASes present in the Internet Routing Table: 68
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 17
Number of AfriNIC addresses announced to Internet: 12608000
Equivalent to 0 /8s, 192 /16s and 98 /24s
Percentage of available AfriNIC address space announced: 37.6
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 1599 7505 450 Korea Telecom (KIX)
17488 1360 140 125 Hathway IP Over Cable Interne
4755 1272 293 147 Videsh Sanchar Nigam Ltd. Aut
9583 1142 91 551 Sify Limited
18101 976 204 33 Reliance Infocom Ltd Internet
4134 952 19185 393 CHINANET-BACKBONE
7545 902 199 100 TPG Internet Pty Ltd
9829 853 665 21 BSNL National Internet Backbo
17974 815 252 103 PT TELEKOMUNIKASI INDONESIA
23577 799 30 668 KRNIC
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4261 3883 313 bellsouth.net, inc.
4323 3726 1054 399 Time Warner Telecom
20115 2000 1484 661 Charter Communications
1785 1785 715 139 AppliedTheory Corporation
7018 1580 5828 1045 AT&T WorldNet Services
6478 1320 270 428 AT&T Worldnet Services
2386 1301 621 947 AT&T Data Communications Serv
3356 1224 10964 438 Level 3 Communications, LLC
11492 1137 206 13 Cable One
22773 1101 2600 66 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30890 515 98 209 Evolva Telecom
3292 449 1906 392 TDC Tele Danmark
9116 445 296 30 Goldenlines main autonomous s
702 417 1822 336 UUNET - Commercial IP service
9198 397 138 12 Kazakhtelecom Corporate Sales
35805 384 40 5 United Telecom AS
3301 373 1412 302 TeliaNet Sweden
8866 364 110 23 Bulgarian Telecommunication C
3320 354 7067 302 Deutsche Telekom AG
8997 351 152 8 SPBNIT-RU Autonomous System
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 1555 2899 235 Uninet S.A. de C.V.
10620 1032 228 102 TVCABLE BOGOTA
28573 981 661 92 Types of queries are: POCs, o
7303 663 349 95 Telecom Argentina Stet-France
22047 546 302 14 Types of queries are: POCs, o
11830 474 308 59 Instituto Costarricense de El
7738 452 862 30 Telecomunicacoes da Bahia S.A
11172 445 99 71 Alestra
14117 437 29 11 Telefonica del Sur S.A.
6471 422 96 31 ENTEL CHILE S.A.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1045 188 7 TEDATA
24863 940 98 71 LINKdotNET AS number
3741 274 857 234 The Internet Solution
2018 194 188 117 TENET-1
6713 176 167 12 Itissalat Al-MAGHRIB
29571 145 15 8 Ci Telecom Autonomous system
33776 124 7 11 Starcomms Nigeria Limited
5536 122 8 13 Internet Egypt Network
5713 117 508 67 Telkom SA Ltd
20858 109 34 6 EgyNet
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 4261 3883 313 bellsouth.net, inc.
4323 3726 1054 399 Time Warner Telecom
20115 2000 1484 661 Charter Communications
1785 1785 715 139 AppliedTheory Corporation
4766 1599 7505 450 Korea Telecom (KIX)
7018 1580 5828 1045 AT&T WorldNet Services
8151 1555 2899 235 Uninet S.A. de C.V.
17488 1360 140 125 Hathway IP Over Cable Interne
6478 1320 270 428 AT&T Worldnet Services
2386 1301 621 947 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 3726 3327 Time Warner Telecom
1785 1785 1646 AppliedTheory Corporation
20115 2000 1339 Charter Communications
8151 1555 1320 Uninet S.A. de C.V.
17488 1360 1235 Hathway IP Over Cable Interne
4766 1599 1149 Korea Telecom (KIX)
4755 1272 1125 Videsh Sanchar Nigam Ltd. Aut
11492 1137 1124 Cable One
18566 1062 1052 Covad Communications
8452 1045 1038 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
14749 UNALLOCATED 8.19.160.0/21 3356 Level 3 Communicatio
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
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.248.71/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.apnic.net/rviews/data-dsua
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<<
41.223.188.0/24 22351 Intelsat
41.223.189.0/24 26452 Local Communications Networks
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/rviews/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 /11:65 /12:180
/13:364 /14:639 /15:1220 /16:10759 /17:5032 /18:8639
/19:17997 /20:21541 /21:21622 /22:28032 /23:27903 /24:159075
/25:830 /26:1072 /27:489 /28:515 /29:820 /30:600
/31:3 /32:321
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2787 4261 bellsouth.net, inc.
4323 2351 3726 Time Warner Telecom
4766 1265 1599 Korea Telecom (KIX)
1785 1249 1785 AppliedTheory Corporation
17488 1136 1360 Hathway IP Over Cable Interne
11492 1061 1137 Cable One
18566 1043 1062 Covad Communications
20115 1006 2000 Charter Communications
9583 991 1142 Sify Limited
7018 949 1580 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
2:1 4:14 8:237 12:2150 13:8 15:22
16:3 17:5 20:36 24:1275 32:149 34:2
38:609 40:99 41:1808 43:1 44:2 46:1
47:21 52:6 55:2 56:2 57:37 58:625
59:612 60:442 61:990 62:987 63:2009 64:3681
65:2367 66:4140 67:1769 68:1011 69:2795 70:590
71:164 72:1746 73:2 74:1987 75:187 76:361
77:862 78:599 79:379 80:957 81:820 82:517
83:449 84:548 85:1014 86:389 87:708 88:430
89:1535 90:52 91:2662 92:426 93:1181 94:1272
95:815 96:191 97:274 98:390 99:31 109:122
110:262 111:456 112:146 113:163 114:280 115:421
116:1012 117:592 118:345 119:788 120:127 121:710
122:1298 123:782 124:1070 125:1361 128:222 129:219
130:130 131:426 132:76 133:16 134:187 135:43
136:232 137:167 138:179 139:95 140:437 141:122
142:391 143:348 144:359 145:50 146:393 147:170
148:553 149:200 150:150 151:172 152:213 153:159
154:2 155:273 156:168 157:307 158:93 159:358
160:293 161:173 162:279 163:158 164:278 165:467
166:485 167:392 168:751 169:162 170:583 171:42
172:1 173:387 174:397 175:1 178:1 180:165
182:1 184:1 186:160 187:212 188:1261 189:681
190:3206 192:5780 193:4308 194:3367 195:2850 196:1167
198:3570 199:3351 200:5218 201:1405 202:8058 203:8234
204:3935 205:2155 206:2409 207:2998 208:3985 209:3451
210:2548 211:1175 212:1716 213:1672 214:181 215:40
216:4472 217:1339 218:477 219:467 220:1141 221:465
222:303
End of report