Routing Table Report 00:00 GMT Thu 22 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: 328339
Prefixes after maximum aggregation: 149259
Deaggregation factor: 2.20
Unique aggregates announced to Internet: 104205
Total ASes present in the Internet Routing Table: 34466
Prefixes per ASN: 9.53
Origin-only ASes present in the Internet Routing Table: 29711
Origin ASes announcing only one prefix: 14473
Transit ASes present in the Internet Routing Table: 4755
Transit-only ASes present in the Internet Routing Table: 122
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: 353
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 696
Prefixes from 32-bit ASNs in the Routing Table: 32
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 174
Number of addresses announced to Internet: 1303928221
Equivalent to 77 /8s, 184 /16s and 93 /24s
Percentage of available address space announced: 35.2
Percentage of allocated address space announced: 37.9
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: 155611
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77624
Total APNIC prefixes after maximum aggregation: 26355
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 74637
Unique aggregates announced from the APNIC address blocks: 22302
APNIC Region origin ASes present in the Internet Routing Table: 4111
APNIC Prefixes per ASN: 18.16
APNIC Region origin ASes announcing only one prefix: 1151
APNIC Region transit ASes present in the Internet Routing Table: 655
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 31
Number of APNIC addresses announced to Internet: 268920258
Equivalent to 16 /8s, 7 /16s and 101 /24s
Percentage of available APNIC address space announced: 40.1
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: 136375
Total ARIN prefixes after maximum aggregation: 70327
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 108087
Unique aggregates announced from the ARIN address blocks: 23956
ARIN Region origin ASes present in the Internet Routing Table: 13850
ARIN Prefixes per ASN: 7.80
ARIN Region origin ASes announcing only one prefix: 5312
ARIN Region transit ASes present in the Internet Routing Table: 1448
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 22
Number of ARIN addresses announced to Internet: 444431649
Equivalent to 26 /8s, 125 /16s and 125 /24s
Percentage of available ARIN address space announced: 37.8
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: 77543
Total RIPE prefixes after maximum aggregation: 43569
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 70769
Unique aggregates announced from the RIPE address blocks: 21291
RIPE Region origin ASes present in the Internet Routing Table: 14625
RIPE Prefixes per ASN: 4.84
RIPE Region origin ASes announcing only one prefix: 7479
RIPE Region transit ASes present in the Internet Routing Table: 2279
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 126801374
Equivalent to 7 /8s, 142 /16s and 213 /24s
Percentage of available RIPE address space announced: 22.2
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: 29265
Total LACNIC prefixes after maximum aggregation: 6989
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 27773
Unique aggregates announced from the LACNIC address blocks: 14524
LACNIC Region origin ASes present in the Internet Routing Table: 1313
LACNIC Prefixes per ASN: 21.15
LACNIC Region origin ASes announcing only one prefix: 415
LACNIC Region transit ASes present in the Internet Routing Table: 233
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC addresses announced to Internet: 75678728
Equivalent to 4 /8s, 130 /16s and 196 /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: 7263
Total AfriNIC prefixes after maximum aggregation: 1856
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 5582
Unique aggregates announced from the AfriNIC address blocks: 1617
AfriNIC Region origin ASes present in the Internet Routing Table: 376
AfriNIC Prefixes per ASN: 14.85
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 81
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC addresses announced to Internet: 19398656
Equivalent to 1 /8s, 40 /16s and 0 /24s
Percentage of available AfriNIC address space announced: 57.8
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 1381 297 156 Videsh Sanchar Nigam Ltd. Aut
7545 1370 232 103 TPG Internet Pty Ltd
17488 1330 143 127 Hathway IP Over Cable Interne
17974 1171 285 52 PT TELEKOMUNIKASI INDONESIA
9583 1001 74 485 Sify Limited
24560 996 308 178 Bharti Airtel Ltd.
9829 813 685 32 BSNL National Internet Backbo
4134 760 21740 411 CHINANET-BACKBONE
4808 759 1461 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 3880 3684 280 bellsouth.net, inc.
4323 2729 1113 396 Time Warner Telecom
19262 1832 4567 279 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
20115 1553 1526 651 Charter Communications
7018 1457 5706 942 AT&T WorldNet Services
2386 1283 553 913 AT&T Data Communications Serv
6478 1254 251 202 AT&T Worldnet Services
22773 1179 2859 65 Cox Communications, Inc.
3356 1166 10868 394 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 477 2027 392 TDC Tele Danmark
30890 441 111 206 Evolva Telecom
3216 428 148 30 Teleross, Moscow, Russia
702 412 1869 324 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 1591 3065 244 Uninet S.A. de C.V.
10620 1072 240 149 TVCABLE BOGOTA
28573 1047 832 98 Types of queries are: POCs, o
7303 762 392 105 Telecom Argentina Stet-France
6503 703 177 219 AVANTEL, S.A.
22047 553 310 15 Types of queries are: POCs, o
3816 503 215 88 COLOMBIA TELECOMUNICACIONES S
14420 499 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 1103 445 10 TEDATA
24863 726 147 38 LINKdotNET AS number
36992 651 279 185 Etisalat MISR
3741 269 898 231 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 189 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 3880 3684 280 bellsouth.net, inc.
4323 2729 1113 396 Time Warner Telecom
19262 1832 4567 279 Verizon Global Networks
1785 1778 698 130 AppliedTheory Corporation
4766 1693 8409 483 Korea Telecom (KIX)
8151 1591 3065 244 Uninet S.A. de C.V.
20115 1553 1526 651 Charter Communications
7018 1457 5706 942 AT&T WorldNet Services
4755 1381 297 156 Videsh Sanchar Nigam Ltd. Aut
7545 1370 232 103 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 2729 2333 Time Warner Telecom
1785 1778 1648 AppliedTheory Corporation
19262 1832 1553 Verizon Global Networks
8151 1591 1347 Uninet S.A. de C.V.
7545 1370 1267 TPG Internet Pty Ltd
4755 1381 1225 Videsh Sanchar Nigam Ltd. Aut
4766 1693 1210 Korea Telecom (KIX)
17488 1330 1203 Hathway IP Over Cable Interne
17974 1171 1119 PT TELEKOMUNIKASI INDONESIA
22773 1179 1114 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
/13:409 /14:711 /15:1296 /16:11202 /17:5435 /18:9281
/19:18816 /20:23500 /21:23344 /22:30236 /23:29853 /24:171546
/25:428 /26:611 /27:219 /28:329 /29:171 /30:360
/31:0 /32:270
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2488 3880 bellsouth.net, inc.
4323 1394 2729 Time Warner Telecom
4766 1325 1693 Korea Telecom (KIX)
1785 1242 1778 AppliedTheory Corporation
17488 1076 1330 Hathway IP Over Cable Interne
18566 1069 1088 Covad Communications
11492 1068 1160 Cable One
8452 996 1103 TEDATA
10620 988 1072 TVCABLE BOGOTA
24560 893 996 Bharti Airtel Ltd.
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 8:292 12:2027 13:7
14:1 15:22 16:3 17:8 20:6 24:1482
27:249 31:1 32:142 33:12 38:694 40:98
41:2418 44:3 46:2 47:17 52:9 55:4
56:2 57:39 58:758 59:506 60:461 61:1091
62:1064 63:1977 64:3708 65:2349 66:4077 67:1849
68:1113 69:2726 70:708 71:374 72:1994 73:2
74:2273 75:251 76:317 77:904 78:620 79:442
80:980 81:776 82:519 83:450 84:717 85:1070
86:465 87:787 88:349 89:1734 90:95 91:2908
92:509 93:992 94:1411 95:658 96:359 97:212
98:615 99:33 108:100 109:589 110:383 111:533
112:287 113:326 114:435 115:567 116:1079 117:654
118:479 119:875 120:139 121:731 122:1501 123:943
124:1136 125:1312 128:228 129:200 130:195 131:553
132:247 133:17 134:193 135:45 136:241 137:146
138:266 139:120 140:482 141:196 142:338 143:376
144:466 145:51 146:448 147:169 148:665 149:301
150:156 151:229 152:294 153:167 154:2 155:359
156:159 157:327 158:109 159:357 160:308 161:183
162:255 163:174 164:406 165:365 166:459 167:416
168:649 169:157 170:715 171:59 172:2 173:943
174:498 175:152 176:1 178:309 180:533 182:158
183:241 184:111 186:520 187:386 188:1013 189:766
190:3796 192:5776 193:4743 194:3465 195:2967 196:1177
198:3587 199:3496 200:5337 201:1578 202:8117 203:8317
204:4070 205:2323 206:2499 207:3113 208:3879 209:3465
210:2564 211:1296 212:1775 213:1729 214:638 215:69
216:4747 217:1538 218:505 219:377 220:1149 221:404
222:333 223:1
End of report