Routing Table Report 00:00 GMT Fri 30 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: 329852
Prefixes after maximum aggregation: 149684
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 159682
Total ASes present in the Internet Routing Table: 34489
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 29849
Origin ASes announcing only one prefix: 14460
Transit ASes present in the Internet Routing Table: 4640
Transit-only ASes present in the Internet Routing Table: 109
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: 335
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 710
Prefixes from 32-bit ASNs in the Routing Table: 6
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2282311396
Equivalent to 136 /8s, 9 /16s and 78 /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: 156471
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77850
Total APNIC prefixes after maximum aggregation: 26469
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 74897
Unique aggregates announced from the APNIC address blocks: 33603
APNIC Region origin ASes present in the Internet Routing Table: 4124
APNIC Prefixes per ASN: 18.16
APNIC Region origin ASes announcing only one prefix: 1155
APNIC Region transit ASes present in the Internet Routing Table: 635
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 17
Number of APNIC addresses announced to Internet: 536599233
Equivalent to 31 /8s, 251 /16s and 218 /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: 136812
Total ARIN prefixes after maximum aggregation: 70448
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108527
Unique aggregates announced from the ARIN address blocks: 42077
ARIN Region origin ASes present in the Internet Routing Table: 13825
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5296
ARIN Region transit ASes present in the Internet Routing Table: 1411
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 38
Number of ARIN addresses announced to Internet: 729992993
Equivalent to 43 /8s, 130 /16s and 207 /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: 78087
Total RIPE prefixes after maximum aggregation: 43777
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 71176
Unique aggregates announced from the RIPE address blocks: 44655
RIPE Region origin ASes present in the Internet Routing Table: 14661
RIPE Prefixes per ASN: 4.85
RIPE Region origin ASes announcing only one prefix: 7484
RIPE Region transit ASes present in the Internet Routing Table: 2224
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 433688102
Equivalent to 25 /8s, 217 /16s and 142 /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: 29465
Total LACNIC prefixes after maximum aggregation: 6974
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 27981
Unique aggregates announced from the LACNIC address blocks: 14613
LACNIC Region origin ASes present in the Internet Routing Table: 1317
LACNIC Prefixes per ASN: 21.25
LACNIC Region origin ASes announcing only one prefix: 404
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: 75851272
Equivalent to 4 /8s, 133 /16s and 102 /24s
Percentage of available LACNIC address space announced: 56.5
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: 7382
Total AfriNIC prefixes after maximum aggregation: 1888
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5681
Unique aggregates announced from the AfriNIC address blocks: 1604
AfriNIC Region origin ASes present in the Internet Routing Table: 385
AfriNIC Prefixes per ASN: 14.76
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 88
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC addresses announced to Internet: 19916288
Equivalent to 1 /8s, 47 /16s and 230 /24s
Percentage of available AfriNIC address space announced: 59.4
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 1382 298 154 Videsh Sanchar Nigam Ltd. Aut
7545 1371 234 88 TPG Internet Pty Ltd
17488 1343 151 126 Hathway IP Over Cable Interne
17974 1182 287 59 PT TELEKOMUNIKASI INDONESIA
24560 1010 308 181 Bharti Airtel Ltd.
9583 1003 74 486 Sify Limited
9829 816 685 32 BSNL National Internet Backbo
4808 793 1520 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 3879 3716 284 bellsouth.net, inc.
4323 2737 1112 397 Time Warner Telecom
19262 1947 4567 279 Verizon Global Networks
1785 1782 698 129 AppliedTheory Corporation
20115 1534 1526 650 Charter Communications
7018 1458 5738 950 AT&T WorldNet Services
2386 1282 539 912 AT&T Data Communications Serv
6478 1263 253 183 AT&T Worldnet Services
3356 1181 10878 402 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 655 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 414 148 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 376 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 1575 3048 241 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1029 818 100 Types of queries are: POCs, o
7303 776 396 104 Telecom Argentina Stet-France
6503 721 178 223 AVANTEL, S.A.
22047 555 310 15 Types of queries are: POCs, o
14420 537 34 74 Types of queries are: POCs, o
3816 492 210 91 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 3879 3716 284 bellsouth.net, inc.
4323 2737 1112 397 Time Warner Telecom
19262 1947 4567 279 Verizon Global Networks
1785 1782 698 129 AppliedTheory Corporation
4766 1694 8409 484 Korea Telecom (KIX)
8151 1575 3048 241 Uninet S.A. de C.V.
20115 1534 1526 650 Charter Communications
7018 1458 5738 950 AT&T WorldNet Services
4755 1382 298 154 Videsh Sanchar Nigam Ltd. Aut
7545 1371 234 88 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 2737 2340 Time Warner Telecom
19262 1947 1668 Verizon Global Networks
1785 1782 1653 AppliedTheory Corporation
8151 1575 1334 Uninet S.A. de C.V.
7545 1371 1283 TPG Internet Pty Ltd
4755 1382 1228 Videsh Sanchar Nigam Ltd. Aut
17488 1343 1217 Hathway IP Over Cable Interne
4766 1694 1210 Korea Telecom (KIX)
8452 1177 1167 TEDATA
17974 1182 1123 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 /14:712 /15:1299 /16:11214 /17:5487 /18:9314
/19:18847 /20:23575 /21:23429 /22:30392 /23:30194 /24:172411
/25:432 /26:499 /27:189 /28:322 /29:168 /30:365
/31:0 /32:271
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2484 3879 bellsouth.net, inc.
4323 1400 2737 Time Warner Telecom
4766 1326 1694 Korea Telecom (KIX)
1785 1244 1782 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 988 1072 TVCABLE BOGOTA
19262 912 1947 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:38 2:2 4:17 8:296 12:2019 13:7
14:1 15:21 16:3 17:8 20:6 24:1458
27:271 31:1 32:142 33:12 38:688 40:98
41:2486 44:3 46:17 47:16 52:9 55:6
56:2 57:39 58:773 59:510 60:462 61:1073
62:1064 63:1974 64:3717 65:2349 66:4083 67:1854
68:1106 69:2741 70:706 71:446 72:1991 73:2
74:2296 75:255 76:324 77:904 78:621 79:436
80:1006 81:789 82:518 83:462 84:712 85:1067
86:475 87:793 88:340 89:1726 90:96 91:2930
92:514 93:1006 94:1415 95:668 96:529 97:210
98:620 99:33 100:1 108:105 109:594 110:433
111:535 112:273 113:315 114:433 115:574 116:1062
117:656 118:478 119:881 120:139 121:727 122:1515
123:952 124:1135 125:1305 128:227 129:165 130:196
131:557 132:247 133:17 134:197 135:45 136:240
137:135 138:267 139:121 140:482 141:196 142:341
143:371 144:469 145:52 146:448 147:171 148:667
149:301 150:154 151:228 152:297 153:168 154:2
155:356 156:160 157:327 158:110 159:360 160:315
161:182 162:255 163:174 164:410 165:367 166:461
167:413 168:646 169:157 170:717 171:59 172:2
173:955 174:507 175:160 176:1 178:329 180:473
182:167 183:242 184:119 186:530 187:413 188:1043
189:771 190:3868 192:5786 193:4757 194:3471 195:2970
196:1186 198:3586 199:3502 200:5362 201:1583 202:8144
203:8307 204:4044 205:2405 206:2511 207:3076 208:3883
209:3469 210:2566 211:1314 212:1775 213:1747 214:642
215:69 216:4756 217:1552 218:504 219:377 220:1146
221:401 222:334 223:1
End of report