Routing Table Report 00:00 GMT Sun 11 Jul, 2010
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: 328417
Prefixes after maximum aggregation: 148872
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 158858
Total ASes present in the Internet Routing Table: 34354
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 29635
Origin ASes announcing only one prefix: 14407
Transit ASes present in the Internet Routing Table: 4719
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 31
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 363
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 679
Prefixes from 32-bit ASNs in the Routing Table: 12
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 167
Number of addresses announced to Internet: 2253296435
Equivalent to 134 /8s, 78 /16s and 147 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.5
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: 156113
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77389
Total APNIC prefixes after maximum aggregation: 26243
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74407
Unique aggregates announced from the APNIC address blocks: 33178
APNIC Region origin ASes present in the Internet Routing Table: 4089
APNIC Prefixes per ASN: 18.20
APNIC Region origin ASes announcing only one prefix: 1142
APNIC Region transit ASes present in the Internet Routing Table: 660
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 22
Number of APNIC addresses announced to Internet: 526772674
Equivalent to 31 /8s, 101 /16s and 233 /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: 136811
Total ARIN prefixes after maximum aggregation: 70221
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108556
Unique aggregates announced from the ARIN address blocks: 41852
ARIN Region origin ASes present in the Internet Routing Table: 13795
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5281
ARIN Region transit ASes present in the Internet Routing Table: 1421
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 728742433
Equivalent to 43 /8s, 111 /16s and 186 /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: 77546
Total RIPE prefixes after maximum aggregation: 43481
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70644
Unique aggregates announced from the RIPE address blocks: 44450
RIPE Region origin ASes present in the Internet Routing Table: 14595
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7471
RIPE Region transit ASes present in the Internet Routing Table: 2247
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 433714804
Equivalent to 25 /8s, 217 /16s and 246 /24s
Percentage of available RIPE address space announced: 76.0
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: 29071
Total LACNIC prefixes after maximum aggregation: 6932
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27555
Unique aggregates announced from the LACNIC address blocks: 14491
LACNIC Region origin ASes present in the Internet Routing Table: 1305
LACNIC Prefixes per ASN: 21.11
LACNIC Region origin ASes announcing only one prefix: 399
LACNIC Region transit ASes present in the Internet Routing Table: 233
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75298824
Equivalent to 4 /8s, 124 /16s and 248 /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: 7324
Total AfriNIC prefixes after maximum aggregation: 1854
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5608
Unique aggregates announced from the AfriNIC address blocks: 1721
AfriNIC Region origin ASes present in the Internet Routing Table: 377
AfriNIC Prefixes per ASN: 14.88
AfriNIC Region origin ASes announcing only one prefix: 114
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: 31
Number of AfriNIC addresses announced to Internet: 19614976
Equivalent to 1 /8s, 43 /16s and 77 /24s
Percentage of available AfriNIC address space announced: 58.5
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 1698 8425 488 Korea Telecom (KIX)
7545 1359 232 105 TPG Internet Pty Ltd
17488 1327 144 128 Hathway IP Over Cable Interne
4755 1320 295 156 Videsh Sanchar Nigam Ltd. Aut
17974 1147 285 28 PT TELEKOMUNIKASI INDONESIA
9583 1010 106 489 Sify Limited
24560 935 305 168 Bharti Airtel Ltd.
4134 855 21420 409 CHINANET-BACKBONE
9829 812 685 32 BSNL National Internet Backbo
4808 788 1510 204 CNCGROUP IP network: China169
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 3891 3700 281 bellsouth.net, inc.
4323 2716 1114 394 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1778 698 129 AppliedTheory Corporation
20115 1597 1524 648 Charter Communications
7018 1496 5724 950 AT&T WorldNet Services
6478 1278 257 149 AT&T Worldnet Services
2386 1274 566 900 AT&T Data Communications Serv
3356 1181 10866 396 Level 3 Communications, LLC
22773 1167 2859 65 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
35805 650 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
3292 478 2027 393 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
3216 423 148 30 Teleross, Moscow, Russia
702 412 1869 324 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Corporate Sales
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
3320 373 7329 324 Deutsche Telekom AG
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 1573 3017 241 Uninet S.A. de C.V.
10620 1071 239 148 TVCABLE BOGOTA
28573 1029 795 98 Types of queries are: POCs, o
7303 759 390 103 Telecom Argentina Stet-France
6503 681 159 218 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
3816 500 217 86 COLOMBIA TELECOMUNICACIONES S
14420 488 31 70 Types of queries are: POCs, o
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 455 99 77 Alestra
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 1163 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 649 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 209 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 173 441 101 Johnnic e-Ventures
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 3891 3700 281 bellsouth.net, inc.
4323 2716 1114 394 Time Warner Telecom
19262 1828 4562 275 Verizon Global Networks
1785 1778 698 129 AppliedTheory Corporation
4766 1698 8425 488 Korea Telecom (KIX)
20115 1597 1524 648 Charter Communications
8151 1573 3017 241 Uninet S.A. de C.V.
7018 1496 5724 950 AT&T WorldNet Services
7545 1359 232 105 TPG Internet Pty Ltd
17488 1327 144 128 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2716 2322 Time Warner Telecom
1785 1778 1649 AppliedTheory Corporation
19262 1828 1553 Verizon Global Networks
8151 1573 1332 Uninet S.A. de C.V.
7545 1359 1254 TPG Internet Pty Ltd
4766 1698 1210 Korea Telecom (KIX)
17488 1327 1199 Hathway IP Over Cable Interne
4755 1320 1164 Videsh Sanchar Nigam Ltd. Aut
8452 1163 1153 TEDATA
6478 1278 1129 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/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/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
172.16.0.0/16 9275 Korea Research Institute of C
192.168.248.0/24 18847 NetFire.com
192.168.249.0/24 18847 NetFire.com
Complete listing at http://thyme.apnic.net/rviews/data-dsua
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 Amsco Telecommunications Nige
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/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 /11:67 /12:196
/13:407 /14:709 /15:1288 /16:11190 /17:5461 /18:9289
/19:18762 /20:23426 /21:23216 /22:30360 /23:30063 /24:171562
/25:417 /26:635 /27:218 /28:312 /29:167 /30:352
/31:0 /32:265
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2497 3891 bellsouth.net, inc.
4323 1391 2716 Time Warner Telecom
4766 1328 1698 Korea Telecom (KIX)
1785 1239 1778 AppliedTheory Corporation
11492 1074 1165 Cable One
17488 1072 1327 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1051 1163 TEDATA
10620 987 1071 TVCABLE BOGOTA
7018 908 1496 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:7 2:2 4:17 8:291 12:2022 13:7
14:1 15:22 16:3 17:8 20:6 24:1479
27:234 31:1 32:142 33:12 38:681 40:98
41:2418 44:3 46:1 47:18 52:9 55:4
56:2 57:39 58:755 59:500 60:459 61:1089
62:1091 63:1979 64:3673 65:2347 66:4079 67:1852
68:1123 69:2884 70:725 71:386 72:2009 73:2
74:2279 75:249 76:313 77:942 78:622 79:445
80:989 81:812 82:514 83:454 84:714 85:1077
86:463 87:785 88:338 89:1721 90:94 91:2899
92:492 93:998 94:1408 95:648 96:353 97:209
98:598 99:31 108:100 109:572 110:363 111:540
112:284 113:318 114:427 115:567 116:1079 117:651
118:480 119:941 120:135 121:721 122:1460 123:936
124:1142 125:1322 128:228 129:203 130:196 131:554
132:251 133:17 134:196 135:45 136:226 137:159
138:264 139:119 140:484 141:198 142:346 143:377
144:469 145:51 146:448 147:169 148:662 149:300
150:152 151:230 152:296 153:169 154:2 155:360
156:159 157:323 158:107 159:379 160:316 161:181
162:254 163:177 164:407 165:366 166:459 167:412
168:654 169:156 170:713 171:59 172:2 173:933
174:473 175:139 176:1 178:282 180:515 182:154
183:235 184:109 186:497 187:386 188:1047 189:780
190:3815 192:5770 193:4731 194:3444 195:2959 196:1196
198:3592 199:3467 200:5322 201:1570 202:8124 203:8308
204:4074 205:2328 206:2532 207:3112 208:3883 209:3462
210:2551 211:1290 212:1775 213:1722 214:632 215:69
216:4712 217:1543 218:503 219:376 220:1149 221:402
222:337 223:1
End of report