Routing Table Report 00:00 GMT Sat 17 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: 328322
Prefixes after maximum aggregation: 149192
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 158893
Total ASes present in the Internet Routing Table: 34455
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29683
Origin ASes announcing only one prefix: 14467
Transit ASes present in the Internet Routing Table: 4772
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 31
Max AS path prepend of ASN (45127) 27
Prefixes from unregistered ASNs in the Routing Table: 358
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 686
Prefixes from 32-bit ASNs in the Routing Table: 29
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 2276650149
Equivalent to 135 /8s, 178 /16s and 236 /24s
Percentage of available address space announced: 61.4
Percentage of allocated address space announced: 66.2
Percentage of available address space allocated: 92.8
Percentage of address space in use by end-sites: 83.8
Total number of prefixes smaller than registry allocations: 155655
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77637
Total APNIC prefixes after maximum aggregation: 26314
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74647
Unique aggregates announced from the APNIC address blocks: 33357
APNIC Region origin ASes present in the Internet Routing Table: 4099
APNIC Prefixes per ASN: 18.21
APNIC Region origin ASes announcing only one prefix: 1146
APNIC Region transit ASes present in the Internet Routing Table: 650
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 531320514
Equivalent to 31 /8s, 171 /16s and 78 /24s
Percentage of available APNIC address space announced: 79.2
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: 136222
Total ARIN prefixes after maximum aggregation: 70274
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 107985
Unique aggregates announced from the ARIN address blocks: 41873
ARIN Region origin ASes present in the Internet Routing Table: 13842
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5313
ARIN Region transit ASes present in the Internet Routing Table: 1452
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 729707041
Equivalent to 43 /8s, 126 /16s and 114 /24s
Percentage of available ARIN address space announced: 62.1
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: 77667
Total RIPE prefixes after maximum aggregation: 43611
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70793
Unique aggregates announced from the RIPE address blocks: 44460
RIPE Region origin ASes present in the Internet Routing Table: 14631
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7481
RIPE Region transit ASes present in the Internet Routing Table: 2288
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 434175974
Equivalent to 25 /8s, 224 /16s and 255 /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: 29234
Total LACNIC prefixes after maximum aggregation: 6962
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 27729
Unique aggregates announced from the LACNIC address blocks: 14509
LACNIC Region origin ASes present in the Internet Routing Table: 1310
LACNIC Prefixes per ASN: 21.17
LACNIC Region origin ASes announcing only one prefix: 409
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: 25
Number of LACNIC addresses announced to Internet: 75626504
Equivalent to 4 /8s, 129 /16s and 248 /24s
Percentage of available LACNIC address space announced: 56.3
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: 7293
Total AfriNIC prefixes after maximum aggregation: 1866
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5598
Unique aggregates announced from the AfriNIC address blocks: 1598
AfriNIC Region origin ASes present in the Internet Routing Table: 379
AfriNIC Prefixes per ASN: 14.77
AfriNIC Region origin ASes announcing only one prefix: 118
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 19624960
Equivalent to 1 /8s, 43 /16s and 116 /24s
Percentage of available AfriNIC address space announced: 58.5
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 8425 487 Korea Telecom (KIX)
7545 1379 232 105 TPG Internet Pty Ltd
4755 1343 297 158 Videsh Sanchar Nigam Ltd. Aut
17488 1333 145 127 Hathway IP Over Cable Interne
17974 1166 285 51 PT TELEKOMUNIKASI INDONESIA
9583 1002 106 486 Sify Limited
24560 974 307 178 Bharti Airtel Ltd.
4134 857 21740 411 CHINANET-BACKBONE
9829 813 685 32 BSNL National Internet Backbo
4808 754 1472 188 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 3881 3684 278 bellsouth.net, inc.
4323 2716 1096 393 Time Warner Telecom
19262 1829 4564 276 Verizon Global Networks
1785 1780 698 129 AppliedTheory Corporation
20115 1602 1527 650 Charter Communications
7018 1460 5703 943 AT&T WorldNet Services
2386 1280 552 909 AT&T Data Communications Serv
6478 1253 251 200 AT&T Worldnet Services
22773 1173 2859 65 Cox Communications, Inc.
3356 1161 10835 389 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 652 56 6 United Telecom AS
9116 532 328 32 Goldenlines main autonomous s
9198 497 202 13 Kazakhtelecom Corporate Sales
3292 478 2027 393 TDC Tele Danmark
30890 440 111 206 Evolva Telecom
3216 428 148 30 Teleross, Moscow, Russia
702 412 1869 324 UUNET - Commercial IP service
8866 403 117 18 Bulgarian Telecommunication C
8551 402 355 38 Bezeq International
3301 372 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 1592 3051 245 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1048 829 100 Types of queries are: POCs, o
7303 761 391 105 Telecom Argentina Stet-France
6503 700 177 218 AVANTEL, S.A.
22047 551 310 15 Types of queries are: POCs, o
3816 503 218 88 COLOMBIA TELECOMUNICACIONES S
14420 498 32 72 Types of queries are: POCs, o
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 453 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 1101 445 10 TEDATA
24863 726 147 38 LINKdotNET AS number
36992 650 279 185 Etisalat MISR
3741 267 834 229 The Internet Solution
33776 220 12 12 Starcomms Nigeria Limited
2018 209 244 61 TENET-1
6713 195 186 16 Itissalat Al-MAGHRIB
24835 189 78 9 RAYA Telecom - Egypt
29571 177 19 10 Ci Telecom Autonomous system
16637 174 441 100 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 3881 3684 278 bellsouth.net, inc.
4323 2716 1096 393 Time Warner Telecom
19262 1829 4564 276 Verizon Global Networks
1785 1780 698 129 AppliedTheory Corporation
4766 1695 8425 487 Korea Telecom (KIX)
20115 1602 1527 650 Charter Communications
8151 1592 3051 245 Uninet S.A. de C.V.
7018 1460 5703 943 AT&T WorldNet Services
7545 1379 232 105 TPG Internet Pty Ltd
4755 1343 297 158 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 2716 2323 Time Warner Telecom
1785 1780 1651 AppliedTheory Corporation
19262 1829 1553 Verizon Global Networks
8151 1592 1347 Uninet S.A. de C.V.
7545 1379 1274 TPG Internet Pty Ltd
4766 1695 1208 Korea Telecom (KIX)
17488 1333 1206 Hathway IP Over Cable Interne
4755 1343 1185 Videsh Sanchar Nigam Ltd. Aut
17974 1166 1115 PT TELEKOMUNIKASI INDONESIA
22773 1173 1108 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 /12:197
/13:408 /14:713 /15:1291 /16:11210 /17:5469 /18:9315
/19:18786 /20:23466 /21:23285 /22:30163 /23:29976 /24:171538
/25:418 /26:612 /27:220 /28:330 /29:169 /30:360
/31:0 /32:272
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2489 3881 bellsouth.net, inc.
4323 1391 2716 Time Warner Telecom
4766 1325 1695 Korea Telecom (KIX)
1785 1241 1780 AppliedTheory Corporation
17488 1078 1333 Hathway IP Over Cable Interne
11492 1068 1160 Cable One
18566 1068 1087 Covad Communications
8452 993 1101 TEDATA
10620 988 1072 TVCABLE BOGOTA
7018 883 1460 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:10 2:2 4:17 8:290 12:2025 13:7
14:1 15:22 16:3 17:8 20:6 24:1485
27:251 31:1 32:142 33:12 38:690 40:98
41:2396 44:3 46:2 47:17 52:9 55:4
56:2 57:39 58:758 59:505 60:461 61:1091
62:1066 63:1975 64:3694 65:2349 66:4072 67:1856
68:1124 69:2711 70:723 71:390 72:1995 73:2
74:2271 75:250 76:316 77:902 78:622 79:439
80:986 81:778 82:517 83:453 84:709 85:1076
86:466 87:788 88:348 89:1734 90:94 91:2907
92:507 93:996 94:1409 95:653 96:356 97:212
98:616 99:31 108:100 109:579 110:385 111:547
112:286 113:323 114:431 115:568 116:1090 117:654
118:482 119:880 120:134 121:731 122:1482 123:945
124:1137 125:1324 128:228 129:201 130:196 131:553
132:247 133:17 134:195 135:45 136:241 137:145
138:265 139:120 140:484 141:197 142:338 143:373
144:470 145:51 146:449 147:168 148:664 149:301
150:153 151:229 152:298 153:166 154:2 155:359
156:160 157:327 158:108 159:356 160:316 161:183
162:251 163:177 164:405 165:365 166:457 167:414
168:651 169:157 170:714 171:59 172:2 173:943
174:487 175:147 176:1 178:303 180:521 182:153
183:235 184:111 186:502 187:391 188:1042 189:773
190:3823 192:5775 193:4744 194:3462 195:2955 196:1192
198:3589 199:3475 200:5347 201:1574 202:8163 203:8318
204:4075 205:2324 206:2494 207:3105 208:3878 209:3460
210:2549 211:1292 212:1775 213:1728 214:635 215:69
216:4726 217:1547 218:504 219:377 220:1152 221:403
222:333 223:1
End of report