Routing Table Report 00:00 GMT Sat 24 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: 329118
Prefixes after maximum aggregation: 149423
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 159365
Total ASes present in the Internet Routing Table: 34506
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 29736
Origin ASes announcing only one prefix: 14470
Transit ASes present in the Internet Routing Table: 4770
Transit-only ASes present in the Internet Routing Table: 125
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 31
Max AS path prepend of ASN (45127) 27
Prefixes from unregistered ASNs in the Routing Table: 359
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 701
Prefixes from 32-bit ASNs in the Routing Table: 37
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2277912029
Equivalent to 135 /8s, 198 /16s and 45 /24s
Percentage of available address space announced: 61.5
Percentage of allocated address space announced: 66.3
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.9
Total number of prefixes smaller than registry allocations: 156237
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77665
Total APNIC prefixes after maximum aggregation: 26377
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 74666
Unique aggregates announced from the APNIC address blocks: 33554
APNIC Region origin ASes present in the Internet Routing Table: 4112
APNIC Prefixes per ASN: 18.16
APNIC Region origin ASes announcing only one prefix: 1149
APNIC Region transit ASes present in the Internet Routing Table: 652
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 532297154
Equivalent to 31 /8s, 186 /16s and 53 /24s
Percentage of available APNIC address space announced: 79.3
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: 136657
Total ARIN prefixes after maximum aggregation: 70323
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108373
Unique aggregates announced from the ARIN address blocks: 41965
ARIN Region origin ASes present in the Internet Routing Table: 13847
ARIN Prefixes per ASN: 7.83
ARIN Region origin ASes announcing only one prefix: 5305
ARIN Region transit ASes present in the Internet Routing Table: 1441
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729921825
Equivalent to 43 /8s, 129 /16s and 185 /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: 77890
Total RIPE prefixes after maximum aggregation: 43678
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 71021
Unique aggregates announced from the RIPE address blocks: 44546
RIPE Region origin ASes present in the Internet Routing Table: 14656
RIPE Prefixes per ASN: 4.85
RIPE Region origin ASes announcing only one prefix: 7488
RIPE Region transit ASes present in the Internet Routing Table: 2290
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 433632990
Equivalent to 25 /8s, 216 /16s and 182 /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: 29352
Total LACNIC prefixes after maximum aggregation: 7008
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27860
Unique aggregates announced from the LACNIC address blocks: 14562
LACNIC Region origin ASes present in the Internet Routing Table: 1315
LACNIC Prefixes per ASN: 21.19
LACNIC Region origin ASes announcing only one prefix: 409
LACNIC Region transit ASes present in the Internet Routing Table: 239
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75715912
Equivalent to 4 /8s, 131 /16s and 85 /24s
Percentage of available LACNIC address space announced: 56.4
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: 7281
Total AfriNIC prefixes after maximum aggregation: 1867
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 5585
Unique aggregates announced from the AfriNIC address blocks: 1621
AfriNIC Region origin ASes present in the Internet Routing Table: 381
AfriNIC Prefixes per ASN: 14.66
AfriNIC Region origin ASes announcing only one prefix: 119
AfriNIC Region transit ASes present in the Internet Routing Table: 84
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 19864320
Equivalent to 1 /8s, 47 /16s and 27 /24s
Percentage of available AfriNIC address space announced: 59.2
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 1693 8409 483 Korea Telecom (KIX)
4755 1383 298 155 Videsh Sanchar Nigam Ltd. Aut
7545 1361 232 104 TPG Internet Pty Ltd
17488 1334 147 128 Hathway IP Over Cable Interne
17974 1179 286 55 PT TELEKOMUNIKASI INDONESIA
24560 1004 308 178 Bharti Airtel Ltd.
9583 1002 74 486 Sify Limited
9829 812 685 32 BSNL National Internet Backbo
4134 757 21740 411 CHINANET-BACKBONE
4808 757 1461 187 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 3880 3684 279 bellsouth.net, inc.
4323 2722 1112 393 Time Warner Telecom
19262 1944 4567 279 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
20115 1535 1526 651 Charter Communications
7018 1453 5705 938 AT&T WorldNet Services
2386 1283 553 913 AT&T Data Communications Serv
6478 1262 253 185 AT&T Worldnet Services
22773 1172 2858 61 Cox Communications, Inc.
3356 1163 10866 391 Level 3 Communications, LLC
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 653 56 6 United Telecom AS
9116 533 328 33 Goldenlines main autonomous s
9198 497 202 13 Kazakhtelecom Corporate Sales
3292 475 2026 390 TDC Tele Danmark
30890 442 111 206 Evolva Telecom
3216 415 148 30 Teleross, Moscow, Russia
702 413 1869 325 UUNET - Commercial IP service
8866 404 117 18 Bulgarian Telecommunication C
8551 403 355 38 Bezeq International
3320 372 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 1586 3065 247 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1025 835 100 Types of queries are: POCs, o
7303 769 396 103 Telecom Argentina Stet-France
6503 706 177 219 AVANTEL, S.A.
22047 553 310 15 Types of queries are: POCs, o
14420 507 32 73 Types of queries are: POCs, o
3816 492 208 87 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 451 83 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 1108 445 10 TEDATA
24863 727 147 39 LINKdotNET AS number
36992 651 279 185 Etisalat MISR
3741 265 898 228 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 210 245 62 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 183 19 10 Ci Telecom Autonomous system
16637 167 424 98 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 3684 279 bellsouth.net, inc.
4323 2722 1112 393 Time Warner Telecom
19262 1944 4567 279 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
4766 1693 8409 483 Korea Telecom (KIX)
8151 1586 3065 247 Uninet S.A. de C.V.
20115 1535 1526 651 Charter Communications
7018 1453 5705 938 AT&T WorldNet Services
4755 1383 298 155 Videsh Sanchar Nigam Ltd. Aut
7545 1361 232 104 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 2722 2329 Time Warner Telecom
19262 1944 1665 Verizon Global Networks
1785 1778 1648 AppliedTheory Corporation
8151 1586 1339 Uninet S.A. de C.V.
7545 1361 1257 TPG Internet Pty Ltd
4755 1383 1228 Videsh Sanchar Nigam Ltd. Aut
4766 1693 1210 Korea Telecom (KIX)
17488 1334 1206 Hathway IP Over Cable Interne
17974 1179 1124 PT TELEKOMUNIKASI INDONESIA
22773 1172 1111 Cox Communications, Inc.
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 /8:21 /9:10 /10:25 /11:68 /12:198
/13:408 /14:710 /15:1296 /16:11209 /17:5448 /18:9292
/19:18822 /20:23467 /21:23388 /22:30295 /23:30060 /24:171996
/25:433 /26:632 /27:217 /28:325 /29:170 /30:363
/31:0 /32:265
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2488 3880 bellsouth.net, inc.
4323 1393 2722 Time Warner Telecom
4766 1325 1693 Korea Telecom (KIX)
1785 1242 1778 AppliedTheory Corporation
17488 1078 1334 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
11492 1067 1158 Cable One
8452 1001 1108 TEDATA
10620 988 1072 TVCABLE BOGOTA
19262 912 1944 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:10 2:2 4:13 8:294 12:2023 13:7
14:1 15:21 16:3 17:8 20:6 24:1453
27:251 31:1 32:142 33:12 38:691 40:98
41:2430 44:3 46:11 47:17 52:9 55:5
56:2 57:39 58:764 59:506 60:462 61:1071
62:1058 63:1977 64:3708 65:2345 66:4076 67:1851
68:1104 69:2722 70:708 71:448 72:1994 73:2
74:2271 75:251 76:318 77:905 78:627 79:443
80:1006 81:780 82:518 83:450 84:717 85:1070
86:465 87:791 88:348 89:1728 90:95 91:2930
92:511 93:994 94:1411 95:660 96:528 97:211
98:620 99:33 108:105 109:594 110:390 111:534
112:287 113:328 114:437 115:573 116:1086 117:655
118:481 119:876 120:139 121:730 122:1508 123:948
124:1136 125:1313 128:228 129:200 130:193 131:551
132:247 133:17 134:197 135:45 136:242 137:145
138:266 139:140 140:485 141:196 142:343 143:374
144:465 145:51 146:450 147:169 148:667 149:300
150:155 151:230 152:296 153:168 154:2 155:357
156:159 157:327 158:110 159:357 160:317 161:183
162:255 163:174 164:406 165:365 166:460 167:413
168:647 169:157 170:715 171:59 172:2 173:952
174:503 175:153 176:1 178:317 180:467 182:159
183:240 184:115 186:520 187:401 188:1014 189:768
190:3837 192:5781 193:4749 194:3473 195:2964 196:1185
198:3586 199:3494 200:5351 201:1576 202:8143 203:8330
204:4069 205:2326 206:2499 207:3112 208:3879 209:3465
210:2555 211:1294 212:1775 213:1746 214:638 215:69
216:4745 217:1544 218:505 219:377 220:1146 221:404
222:334 223:1
End of report