Routing Table Report 00:00 GMT Fri 02 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: 327650
Prefixes after maximum aggregation: 148761
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 158730
Total ASes present in the Internet Routing Table: 34352
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 29603
Origin ASes announcing only one prefix: 14431
Transit ASes present in the Internet Routing Table: 4749
Transit-only ASes present in the Internet Routing Table: 124
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 352
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 655
Prefixes from 32-bit ASNs in the Routing Table: 33
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2253946067
Equivalent to 134 /8s, 88 /16s and 124 /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: 155930
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77065
Total APNIC prefixes after maximum aggregation: 26258
APNIC Deaggregation factor: 2.93
Prefixes being announced from the APNIC address blocks: 74039
Unique aggregates announced from the APNIC address blocks: 33133
APNIC Region origin ASes present in the Internet Routing Table: 4089
APNIC Prefixes per ASN: 18.11
APNIC Region origin ASes announcing only one prefix: 1140
APNIC Region transit ASes present in the Internet Routing Table: 660
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 19
Number of APNIC addresses announced to Internet: 526010050
Equivalent to 31 /8s, 90 /16s and 70 /24s
Percentage of available APNIC address space announced: 78.4
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: 136573
Total ARIN prefixes after maximum aggregation: 70079
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 108364
Unique aggregates announced from the ARIN address blocks: 41787
ARIN Region origin ASes present in the Internet Routing Table: 13799
ARIN Prefixes per ASN: 7.85
ARIN Region origin ASes announcing only one prefix: 5307
ARIN Region transit ASes present in the Internet Routing Table: 1418
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 730719745
Equivalent to 43 /8s, 141 /16s and 230 /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: 77533
Total RIPE prefixes after maximum aggregation: 43511
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70594
Unique aggregates announced from the RIPE address blocks: 44474
RIPE Region origin ASes present in the Internet Routing Table: 14585
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7469
RIPE Region transit ASes present in the Internet Routing Table: 2270
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 432979892
Equivalent to 25 /8s, 206 /16s and 191 /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: 28888
Total LACNIC prefixes after maximum aggregation: 6892
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27376
Unique aggregates announced from the LACNIC address blocks: 14356
LACNIC Region origin ASes present in the Internet Routing Table: 1306
LACNIC Prefixes per ASN: 20.96
LACNIC Region origin ASes announcing only one prefix: 403
LACNIC Region transit ASes present in the Internet Routing Table: 240
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 25
Number of LACNIC addresses announced to Internet: 75168648
Equivalent to 4 /8s, 122 /16s and 251 /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: 7320
Total AfriNIC prefixes after maximum aggregation: 1855
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 5616
Unique aggregates announced from the AfriNIC address blocks: 1736
AfriNIC Region origin ASes present in the Internet Routing Table: 378
AfriNIC Prefixes per ASN: 14.86
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 85
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 19536896
Equivalent to 1 /8s, 42 /16s and 28 /24s
Percentage of available AfriNIC address space announced: 58.2
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 1692 8422 481 Korea Telecom (KIX)
7545 1344 232 105 TPG Internet Pty Ltd
4755 1334 295 155 Videsh Sanchar Nigam Ltd. Aut
17488 1322 140 131 Hathway IP Over Cable Interne
17974 1150 285 28 PT TELEKOMUNIKASI INDONESIA
9583 997 105 488 Sify Limited
24560 929 306 171 Bharti Airtel Ltd.
4134 854 21292 408 CHINANET-BACKBONE
9829 810 684 41 BSNL National Internet Backbo
4808 797 1515 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 3909 3732 289 bellsouth.net, inc.
4323 2710 1114 394 Time Warner Telecom
19262 1826 4562 275 Verizon Global Networks
1785 1794 698 130 AppliedTheory Corporation
20115 1631 1524 649 Charter Communications
7018 1491 5724 942 AT&T WorldNet Services
6478 1289 260 91 AT&T Worldnet Services
2386 1278 568 903 AT&T Data Communications Serv
3356 1185 10853 396 Level 3 Communications, LLC
22773 1164 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 648 56 6 United Telecom AS
9116 530 328 32 Goldenlines main autonomous s
3292 476 2027 393 TDC Tele Danmark
30890 444 111 206 Evolva Telecom
3216 428 148 30 Teleross, Moscow, Russia
9198 408 202 13 Kazakhtelecom Corporate Sales
702 405 1867 321 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
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 1574 3016 242 Uninet S.A. de C.V.
10620 1066 238 150 TVCABLE BOGOTA
28573 1022 791 97 Types of queries are: POCs, o
7303 749 385 106 Telecom Argentina Stet-France
6503 680 175 217 AVANTEL, S.A.
22047 548 310 15 Types of queries are: POCs, o
3816 495 217 81 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
14420 471 33 69 Types of queries are: POCs, o
11172 451 83 74 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 1152 445 10 TEDATA
24863 727 147 38 LINKdotNET AS number
36992 645 279 185 Etisalat MISR
3741 267 834 228 The Internet Solution
33776 219 12 11 Starcomms Nigeria Limited
2018 210 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 192 78 10 RAYA Telecom - Egypt
29571 176 19 10 Ci Telecom Autonomous system
16637 142 419 90 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 3909 3732 289 bellsouth.net, inc.
4323 2710 1114 394 Time Warner Telecom
19262 1826 4562 275 Verizon Global Networks
1785 1794 698 130 AppliedTheory Corporation
4766 1692 8422 481 Korea Telecom (KIX)
20115 1631 1524 649 Charter Communications
8151 1574 3016 242 Uninet S.A. de C.V.
7018 1491 5724 942 AT&T WorldNet Services
7545 1344 232 105 TPG Internet Pty Ltd
4755 1334 295 155 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 2710 2316 Time Warner Telecom
1785 1794 1664 AppliedTheory Corporation
19262 1826 1551 Verizon Global Networks
8151 1574 1332 Uninet S.A. de C.V.
7545 1344 1239 TPG Internet Pty Ltd
4766 1692 1211 Korea Telecom (KIX)
6478 1289 1198 AT&T Worldnet Services
17488 1322 1191 Hathway IP Over Cable Interne
4755 1334 1179 Videsh Sanchar Nigam Ltd. Aut
8452 1152 1142 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 /8:21 /9:10 /10:25 /11:68 /12:196
/13:406 /14:707 /15:1286 /16:11183 /17:5451 /18:9277
/19:18741 /20:23288 /21:23160 /22:30221 /23:30030 /24:171224
/25:413 /26:630 /27:217 /28:318 /29:168 /30:353
/31:0 /32:257
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2504 3909 bellsouth.net, inc.
4323 1393 2710 Time Warner Telecom
4766 1325 1692 Korea Telecom (KIX)
1785 1258 1794 AppliedTheory Corporation
11492 1070 1160 Cable One
17488 1069 1322 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
8452 1040 1152 TEDATA
10620 982 1066 TVCABLE BOGOTA
7018 910 1491 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:6 2:10 4:17 8:290 12:2018 13:7
14:1 15:23 16:3 17:8 20:17 24:1476
27:192 31:1 32:140 33:12 38:681 40:98
41:2435 44:3 47:18 52:9 55:4 56:2
57:36 58:750 59:501 60:459 61:1091 62:1083
63:1984 64:3677 65:2362 66:4073 67:1839 68:1122
69:2898 70:724 71:393 72:2001 73:2 74:2276
75:254 76:313 77:959 78:614 79:445 80:997
81:812 82:515 83:444 84:745 85:1079 86:465
87:783 88:350 89:1739 90:93 91:2882 92:496
93:991 94:1408 95:644 96:352 97:212 98:580
99:29 108:97 109:564 110:363 111:525 112:268
113:316 114:425 115:563 116:1074 117:661 118:483
119:941 120:131 121:731 122:1452 123:930 124:1143
125:1323 128:227 129:204 130:196 131:555 132:250
133:17 134:198 135:45 136:241 137:159 138:264
139:118 140:479 141:198 142:347 143:394 144:469
145:51 146:436 147:168 148:657 149:301 150:150
151:230 152:302 153:169 154:2 155:328 156:157
157:320 158:109 159:378 160:316 161:181 162:254
163:176 164:408 165:364 166:462 167:404 168:654
169:157 170:711 171:58 172:2 173:874 174:470
175:106 176:1 178:233 180:514 182:151 183:222
184:104 186:489 187:382 188:1027 189:779 190:3760
192:5783 193:4738 194:3431 195:2948 196:1185 198:3592
199:3464 200:5321 201:1555 202:8162 203:8298 204:4071
205:2343 206:2531 207:3107 208:3882 209:3454 210:2540
211:1287 212:1765 213:1754 214:650 215:69 216:4687
217:1545 218:499 219:378 220:1139 221:399 222:335
223:1
End of report