Routing Table Report 00:00 GMT Thu 08 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: 327347
Prefixes after maximum aggregation: 148743
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 158788
Total ASes present in the Internet Routing Table: 34336
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29618
Origin ASes announcing only one prefix: 14425
Transit ASes present in the Internet Routing Table: 4718
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 27
Max AS path prepend of ASN (43120) 25
Prefixes from unregistered ASNs in the Routing Table: 350
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 666
Prefixes from 32-bit ASNs in the Routing Table: 16
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2253947187
Equivalent to 134 /8s, 88 /16s and 129 /24s
Percentage of available address space announced: 60.8
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.6
Total number of prefixes smaller than registry allocations: 155451
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77289
Total APNIC prefixes after maximum aggregation: 26243
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74290
Unique aggregates announced from the APNIC address blocks: 33153
APNIC Region origin ASes present in the Internet Routing Table: 4094
APNIC Prefixes per ASN: 18.15
APNIC Region origin ASes announcing only one prefix: 1147
APNIC Region transit ASes present in the Internet Routing Table: 648
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 526749890
Equivalent to 31 /8s, 101 /16s and 144 /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: 136581
Total ARIN prefixes after maximum aggregation: 70110
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108345
Unique aggregates announced from the ARIN address blocks: 41831
ARIN Region origin ASes present in the Internet Routing Table: 13787
ARIN Prefixes per ASN: 7.86
ARIN Region origin ASes announcing only one prefix: 5298
ARIN Region transit ASes present in the Internet Routing Table: 1399
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 730823969
Equivalent to 43 /8s, 143 /16s and 125 /24s
Percentage of available ARIN address space announced: 62.2
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: 77046
Total RIPE prefixes after maximum aggregation: 43510
RIPE Deaggregation factor: 1.77
Prefixes being announced from the RIPE address blocks: 70133
Unique aggregates announced from the RIPE address blocks: 44515
RIPE Region origin ASes present in the Internet Routing Table: 14594
RIPE Prefixes per ASN: 4.81
RIPE Region origin ASes announcing only one prefix: 7469
RIPE Region transit ASes present in the Internet Routing Table: 2297
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 27
Number of RIPE addresses announced to Internet: 433200820
Equivalent to 25 /8s, 210 /16s and 30 /24s
Percentage of available RIPE address space announced: 75.9
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: 29061
Total LACNIC prefixes after maximum aggregation: 6957
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 27548
Unique aggregates announced from the LACNIC address blocks: 14439
LACNIC Region origin ASes present in the Internet Routing Table: 1304
LACNIC Prefixes per ASN: 21.13
LACNIC Region origin ASes announcing only one prefix: 399
LACNIC Region transit ASes present in the Internet Routing Table: 236
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75187400
Equivalent to 4 /8s, 123 /16s and 68 /24s
Percentage of available LACNIC address space announced: 56.0
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: 7093
Total AfriNIC prefixes after maximum aggregation: 1772
AfriNIC Deaggregation factor: 4.00
Prefixes being announced from the AfriNIC address blocks: 5588
Unique aggregates announced from the AfriNIC address blocks: 1720
AfriNIC Region origin ASes present in the Internet Routing Table: 368
AfriNIC Prefixes per ASN: 15.18
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 77
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19486208
Equivalent to 1 /8s, 41 /16s and 86 /24s
Percentage of available AfriNIC address space announced: 58.1
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 1695 8424 485 Korea Telecom (KIX)
7545 1354 232 105 TPG Internet Pty Ltd
4755 1339 296 158 Videsh Sanchar Nigam Ltd. Aut
17488 1327 144 127 Hathway IP Over Cable Interne
17974 1154 285 28 PT TELEKOMUNIKASI INDONESIA
9583 999 106 489 Sify Limited
24560 925 305 168 Bharti Airtel Ltd.
4134 855 21420 409 CHINANET-BACKBONE
9829 794 682 43 BSNL National Internet Backbo
4808 770 1504 197 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 3903 3733 288 bellsouth.net, inc.
4323 2717 1114 395 Time Warner Telecom
19262 1826 4562 275 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
20115 1623 1526 649 Charter Communications
7018 1505 5727 956 AT&T WorldNet Services
6478 1288 259 100 AT&T Worldnet Services
2386 1276 552 908 AT&T Data Communications Serv
3356 1191 10873 402 Level 3 Communications, LLC
22773 1165 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 649 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
3292 477 2027 392 TDC Tele Danmark
30890 442 111 207 Evolva Telecom
3216 425 148 30 Teleross, Moscow, Russia
702 414 1869 326 UUNET - Commercial IP service
9198 409 202 13 Kazakhtelecom Corporate Sales
8551 402 355 38 Bezeq International
8866 402 117 18 Bulgarian Telecommunication C
3301 371 1414 327 TeliaNet Sweden
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 1579 3005 242 Uninet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1026 804 95 Types of queries are: POCs, o
7303 760 390 104 Telecom Argentina Stet-France
6503 682 175 219 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
3816 497 215 86 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 464 30 67 Types of queries are: POCs, o
11172 456 100 78 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 1156 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 645 279 185 Etisalat MISR
3741 267 834 228 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
6713 195 186 16 Itissalat Al-MAGHRIB
24835 191 78 10 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 169 441 101 Johnnic e-Ventures
29975 133 506 14 Vodacom
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 3903 3733 288 bellsouth.net, inc.
4323 2717 1114 395 Time Warner Telecom
19262 1826 4562 275 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
4766 1695 8424 485 Korea Telecom (KIX)
20115 1623 1526 649 Charter Communications
8151 1579 3005 242 Uninet S.A. de C.V.
7018 1505 5727 956 AT&T WorldNet Services
7545 1354 232 105 TPG Internet Pty Ltd
4755 1339 296 158 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2717 2322 Time Warner Telecom
1785 1778 1648 AppliedTheory Corporation
19262 1826 1551 Verizon Global Networks
8151 1579 1337 Uninet S.A. de C.V.
7545 1354 1249 TPG Internet Pty Ltd
4766 1695 1210 Korea Telecom (KIX)
17488 1327 1200 Hathway IP Over Cable Interne
6478 1288 1188 AT&T Worldnet Services
4755 1339 1181 Videsh Sanchar Nigam Ltd. Aut
8452 1156 1146 TEDATA
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 /11:68 /12:196
/13:407 /14:708 /15:1289 /16:11177 /17:5438 /18:9267
/19:18749 /20:23401 /21:23188 /22:30233 /23:30001 /24:170803
/25:415 /26:637 /27:219 /28:317 /29:167 /30:351
/31:0 /32:261
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2502 3903 bellsouth.net, inc.
4323 1392 2717 Time Warner Telecom
4766 1328 1695 Korea Telecom (KIX)
1785 1239 1778 AppliedTheory Corporation
11492 1073 1164 Cable One
17488 1072 1327 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
8452 1044 1156 TEDATA
10620 982 1066 TVCABLE BOGOTA
7018 909 1505 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 12:2021 13:7
14:1 15:23 16:3 17:8 20:17 24:1480
27:209 31:1 32:141 33:12 38:682 40:98
41:2426 44:3 46:1 47:18 52:9 55:4
56:2 57:39 58:755 59:503 60:459 61:1088
62:1078 63:1981 64:3665 65:2363 66:4080 67:1836
68:1120 69:2885 70:722 71:394 72:1999 73:2
74:2277 75:251 76:313 77:957 78:616 79:445
80:982 81:813 82:503 83:452 84:690 85:1054
86:462 87:705 88:335 89:1589 90:94 91:2896
92:493 93:982 94:1404 95:649 96:353 97:211
98:581 99:31 108:100 109:561 110:367 111:540
112:273 113:316 114:428 115:564 116:1077 117:652
118:486 119:935 120:134 121:727 122:1458 123:934
124:1146 125:1324 128:227 129:203 130:196 131:552
132:249 133:17 134:197 135:45 136:239 137:159
138:264 139:120 140:484 141:197 142:347 143:376
144:469 145:51 146:434 147:169 148:664 149:301
150:150 151:229 152:297 153:169 154:2 155:303
156:159 157:323 158:109 159:379 160:315 161:181
162:254 163:177 164:408 165:366 166:462 167:410
168:653 169:157 170:713 171:58 172:2 173:880
174:454 175:109 176:1 178:272 180:511 182:154
183:227 184:105 186:492 187:390 188:1036 189:781
190:3770 192:5753 193:4728 194:3439 195:2964 196:1121
198:3581 199:3473 200:5339 201:1564 202:8147 203:8306
204:4073 205:2335 206:2528 207:3111 208:3882 209:3451
210:2551 211:1290 212:1758 213:1698 214:636 215:69
216:4681 217:1541 218:498 219:377 220:1143 221:399
222:336 223:1
End of report