Routing Table Report 00:00 GMT Sat 31 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: 329916
Prefixes after maximum aggregation: 149734
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 159820
Total ASes present in the Internet Routing Table: 34517
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 29872
Origin ASes announcing only one prefix: 14490
Transit ASes present in the Internet Routing Table: 4645
Transit-only ASes present in the Internet Routing Table: 108
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 38
Max AS path prepend of ASN (22394) 35
Prefixes from unregistered ASNs in the Routing Table: 339
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 716
Prefixes from 32-bit ASNs in the Routing Table: 10
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 175
Number of addresses announced to Internet: 2282770853
Equivalent to 136 /8s, 16 /16s and 81 /24s
Percentage of available address space announced: 61.6
Percentage of allocated address space announced: 66.4
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 84.0
Total number of prefixes smaller than registry allocations: 156488
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77832
Total APNIC prefixes after maximum aggregation: 26481
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 74869
Unique aggregates announced from the APNIC address blocks: 33656
APNIC Region origin ASes present in the Internet Routing Table: 4134
APNIC Prefixes per ASN: 18.11
APNIC Region origin ASes announcing only one prefix: 1164
APNIC Region transit ASes present in the Internet Routing Table: 631
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC addresses announced to Internet: 536972226
Equivalent to 32 /8s, 1 /16s and 139 /24s
Percentage of available APNIC address space announced: 80.0
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: 136804
Total ARIN prefixes after maximum aggregation: 70444
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108532
Unique aggregates announced from the ARIN address blocks: 42114
ARIN Region origin ASes present in the Internet Routing Table: 13832
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5308
ARIN Region transit ASes present in the Internet Routing Table: 1414
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 38
Number of ARIN addresses announced to Internet: 730156321
Equivalent to 43 /8s, 133 /16s and 77 /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: 78166
Total RIPE prefixes after maximum aggregation: 43798
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 71256
Unique aggregates announced from the RIPE address blocks: 44686
RIPE Region origin ASes present in the Internet Routing Table: 14668
RIPE Prefixes per ASN: 4.86
RIPE Region origin ASes announcing only one prefix: 7492
RIPE Region transit ASes present in the Internet Routing Table: 2229
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 433917222
Equivalent to 25 /8s, 221 /16s and 13 /24s
Percentage of available RIPE address space announced: 76.1
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: 29474
Total LACNIC prefixes after maximum aggregation: 7004
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 27977
Unique aggregates announced from the LACNIC address blocks: 14638
LACNIC Region origin ASes present in the Internet Routing Table: 1321
LACNIC Prefixes per ASN: 21.18
LACNIC Region origin ASes announcing only one prefix: 405
LACNIC Region transit ASes present in the Internet Routing Table: 235
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75910856
Equivalent to 4 /8s, 134 /16s and 78 /24s
Percentage of available LACNIC address space announced: 56.6
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: 7380
Total AfriNIC prefixes after maximum aggregation: 1870
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5685
Unique aggregates announced from the AfriNIC address blocks: 1590
AfriNIC Region origin ASes present in the Internet Routing Table: 385
AfriNIC Prefixes per ASN: 14.77
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 87
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19801856
Equivalent to 1 /8s, 46 /16s and 39 /24s
Percentage of available AfriNIC address space announced: 59.0
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 1694 8409 484 Korea Telecom (KIX)
4755 1387 298 158 Videsh Sanchar Nigam Ltd. Aut
7545 1371 234 87 TPG Internet Pty Ltd
17488 1343 151 126 Hathway IP Over Cable Interne
17974 1186 287 60 PT TELEKOMUNIKASI INDONESIA
24560 1013 308 182 Bharti Airtel Ltd.
9583 1003 74 486 Sify Limited
9829 817 686 33 BSNL National Internet Backbo
4808 793 1519 207 CNCGROUP IP network: China169
4134 762 21996 412 CHINANET-BACKBONE
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 3880 3716 283 bellsouth.net, inc.
4323 2730 1116 396 Time Warner Telecom
19262 1949 4583 280 Verizon Global Networks
1785 1781 698 129 AppliedTheory Corporation
20115 1535 1528 648 Charter Communications
7018 1464 5739 951 AT&T WorldNet Services
2386 1277 537 908 AT&T Data Communications Serv
6478 1266 253 175 AT&T Worldnet Services
3356 1178 10878 399 Level 3 Communications, LLC
22773 1174 2858 61 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 654 56 6 United Telecom AS
9116 533 328 33 Goldenlines main autonomous s
9198 499 202 13 Kazakhtelecom Corporate Sales
3292 475 2026 390 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
3216 416 148 30 Teleross, Moscow, Russia
702 413 1854 325 UUNET - Commercial IP service
8866 404 117 18 Bulgarian Telecommunication C
8551 403 355 38 Bezeq International
3320 375 7329 327 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 1585 3048 246 Uninet S.A. de C.V.
10620 1077 240 150 TVCABLE BOGOTA
28573 1014 813 110 Types of queries are: POCs, o
7303 776 396 104 Telecom Argentina Stet-France
6503 719 178 222 AVANTEL, S.A.
22047 555 310 15 Types of queries are: POCs, o
14420 537 34 74 Types of queries are: POCs, o
3816 494 210 90 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 447 99 76 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 1177 445 10 TEDATA
24863 726 147 39 LINKdotNET AS number
36992 654 279 185 Etisalat MISR
3741 270 898 232 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 213 277 64 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
29571 191 19 10 Ci Telecom Autonomous system
24835 189 78 9 RAYA Telecom - Egypt
16637 148 441 100 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 3880 3716 283 bellsouth.net, inc.
4323 2730 1116 396 Time Warner Telecom
19262 1949 4583 280 Verizon Global Networks
1785 1781 698 129 AppliedTheory Corporation
4766 1694 8409 484 Korea Telecom (KIX)
8151 1585 3048 246 Uninet S.A. de C.V.
20115 1535 1528 648 Charter Communications
7018 1464 5739 951 AT&T WorldNet Services
4755 1387 298 158 Videsh Sanchar Nigam Ltd. Aut
7545 1371 234 87 TPG Internet Pty Ltd
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2730 2334 Time Warner Telecom
19262 1949 1669 Verizon Global Networks
1785 1781 1652 AppliedTheory Corporation
8151 1585 1339 Uninet S.A. de C.V.
7545 1371 1284 TPG Internet Pty Ltd
4755 1387 1229 Videsh Sanchar Nigam Ltd. Aut
17488 1343 1217 Hathway IP Over Cable Interne
4766 1694 1210 Korea Telecom (KIX)
8452 1177 1167 TEDATA
17974 1186 1126 PT TELEKOMUNIKASI INDONESIA
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 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic
26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic
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
24.38.240.0/21 33287 Comcast Cable Communications,
24.38.248.0/21 33287 Comcast Cable Communications,
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
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 /8:21 /9:10 /10:25 /11:68 /12:198
/13:410 /14:713 /15:1298 /16:11208 /17:5490 /18:9329
/19:18857 /20:23575 /21:23416 /22:30409 /23:30201 /24:172420
/25:437 /26:503 /27:187 /28:325 /29:169 /30:363
/31:0 /32:284
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2485 3880 bellsouth.net, inc.
4323 1396 2730 Time Warner Telecom
4766 1326 1694 Korea Telecom (KIX)
1785 1243 1781 AppliedTheory Corporation
17488 1085 1343 Hathway IP Over Cable Interne
11492 1069 1160 Cable One
18566 1069 1088 Covad Communications
8452 1066 1177 TEDATA
10620 992 1077 TVCABLE BOGOTA
19262 913 1949 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:37 2:2 4:17 8:296 12:2019 13:7
14:1 15:21 16:3 17:8 20:6 24:1455
27:273 31:1 32:142 33:12 38:690 40:98
41:2485 44:3 46:18 47:16 52:9 55:6
56:2 57:39 58:771 59:510 60:462 61:1072
62:1065 63:1973 64:3726 65:2345 66:4077 67:1855
68:1106 69:2739 70:712 71:446 72:1990 73:2
74:2293 75:255 76:324 77:906 78:624 79:438
80:1007 81:792 82:517 83:462 84:712 85:1075
86:475 87:794 88:340 89:1731 90:96 91:2929
92:513 93:1014 94:1417 95:675 96:529 97:209
98:624 99:33 100:1 108:105 109:600 110:434
111:531 112:273 113:315 114:434 115:573 116:1060
117:654 118:484 119:878 120:139 121:727 122:1518
123:951 124:1135 125:1305 128:227 129:165 130:196
131:558 132:247 133:17 134:197 135:45 136:240
137:135 138:268 139:121 140:480 141:197 142:341
143:370 144:470 145:53 146:446 147:170 148:675
149:299 150:154 151:228 152:296 153:168 154:2
155:355 156:160 157:327 158:110 159:360 160:315
161:182 162:255 163:173 164:410 165:366 166:461
167:413 168:647 169:157 170:717 171:59 172:2
173:958 174:507 175:162 176:1 178:331 180:476
182:167 183:242 184:130 186:532 187:408 188:1043
189:775 190:3865 192:5786 193:4756 194:3464 195:2978
196:1181 198:3589 199:3511 200:5367 201:1582 202:8114
203:8321 204:4042 205:2402 206:2497 207:3075 208:3890
209:3470 210:2563 211:1311 212:1775 213:1748 214:641
215:69 216:4728 217:1550 218:505 219:377 220:1146
221:401 222:330 223:2
End of report