Routing Table Report 00:00 GMT Tue 12 Oct, 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: 336659
Prefixes after maximum aggregation: 152132
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 163850
Total ASes present in the Internet Routing Table: 34974
Prefixes per ASN: 9.63
Origin-only ASes present in the Internet Routing Table: 30139
Origin ASes announcing only one prefix: 14682
Transit ASes present in the Internet Routing Table: 4835
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 643
Unregistered ASNs in the Routing Table: 213
Number of 32-bit ASNs allocated by the RIRs: 815
Prefixes from 32-bit ASNs in the Routing Table: 5
Special use prefixes present in the Routing Table: 65
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2279034583
Equivalent to 135 /8s, 215 /16s and 78 /24s
Percentage of available address space announced: 61.5
Percentage of allocated address space announced: 65.6
Percentage of available address space allocated: 93.7
Percentage of address space in use by end-sites: 85.2
Total number of prefixes smaller than registry allocations: 138233
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 80159
Total APNIC prefixes after maximum aggregation: 27129
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 77225
Unique aggregates announced from the APNIC address blocks: 34375
APNIC Region origin ASes present in the Internet Routing Table: 4186
APNIC Prefixes per ASN: 18.45
APNIC Region origin ASes announcing only one prefix: 1183
APNIC Region transit ASes present in the Internet Routing Table: 655
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 551340290
Equivalent to 32 /8s, 220 /16s and 201 /24s
Percentage of available APNIC address space announced: 78.2
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, 49/8, 58/8, 59/8,
60/8, 61/8, 101/8, 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: 138446
Total ARIN prefixes after maximum aggregation: 71135
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 109647
Unique aggregates announced from the ARIN address blocks: 43318
ARIN Region origin ASes present in the Internet Routing Table: 13941
ARIN Prefixes per ASN: 7.87
ARIN Region origin ASes announcing only one prefix: 5324
ARIN Region transit ASes present in the Internet Routing Table: 1431
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 25
Number of ARIN addresses announced to Internet: 737112833
Equivalent to 43 /8s, 239 /16s and 115 /24s
Percentage of available ARIN address space announced: 62.8
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: 79973
Total RIPE prefixes after maximum aggregation: 44679
RIPE Deaggregation factor: 1.79
Prefixes being announced from the RIPE address blocks: 72663
Unique aggregates announced from the RIPE address blocks: 45907
RIPE Region origin ASes present in the Internet Routing Table: 14897
RIPE Prefixes per ASN: 4.88
RIPE Region origin ASes announcing only one prefix: 7622
RIPE Region transit ASes present in the Internet Routing Table: 2354
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 24
Number of RIPE addresses announced to Internet: 440943294
Equivalent to 26 /8s, 72 /16s and 66 /24s
Percentage of available RIPE address space announced: 77.3
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: 30353
Total LACNIC prefixes after maximum aggregation: 7192
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 29029
Unique aggregates announced from the LACNIC address blocks: 15126
LACNIC Region origin ASes present in the Internet Routing Table: 1365
LACNIC Prefixes per ASN: 21.27
LACNIC Region origin ASes announcing only one prefix: 430
LACNIC Region transit ASes present in the Internet Routing Table: 241
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 18
Number of LACNIC addresses announced to Internet: 76093064
Equivalent to 4 /8s, 137 /16s and 22 /24s
Percentage of available LACNIC address space announced: 56.7
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: 7452
Total AfriNIC prefixes after maximum aggregation: 1876
AfriNIC Deaggregation factor: 3.97
Prefixes being announced from the AfriNIC address blocks: 5763
Unique aggregates announced from the AfriNIC address blocks: 1769
AfriNIC Region origin ASes present in the Internet Routing Table: 406
AfriNIC Prefixes per ASN: 14.19
AfriNIC Region origin ASes announcing only one prefix: 123
AfriNIC Region transit ASes present in the Internet Routing Table: 93
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 20844800
Equivalent to 1 /8s, 62 /16s and 17 /24s
Percentage of available AfriNIC address space announced: 62.1
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 1718 9437 506 Korea Telecom (KIX)
7545 1412 297 82 TPG Internet Pty Ltd
4755 1373 378 157 Videsh Sanchar Nigam Ltd. Aut
17488 1360 156 122 Hathway IP Over Cable Interne
17974 1239 302 77 PT TELEKOMUNIKASI INDONESIA
24560 1044 303 179 Bharti Airtel Ltd.
9583 1034 78 500 Sify Limited
18101 887 100 133 Reliance Infocom Ltd Internet
4808 836 1602 238 CNCGROUP IP network: China169
9829 820 693 33 BSNL National Internet Backbo
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 3770 3667 278 bellsouth.net, inc.
4323 2616 1119 394 Time Warner Telecom
1785 1794 698 130 AppliedTheory Corporation
19262 1779 4833 280 Verizon Global Networks
20115 1545 1522 646 Charter Communications
7018 1461 5720 934 AT&T WorldNet Services
6478 1368 277 109 AT&T Worldnet Services
2386 1305 555 922 AT&T Data Communications Serv
11492 1224 230 71 Cable One
22773 1205 2859 62 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
286 867 681 145 KPNQwest Backbone AS
9116 534 328 33 Goldenlines main autonomous s
3292 490 2028 391 TDC Tele Danmark
8866 420 119 24 Bulgarian Telecommunication C
8551 404 355 38 Bezeq International
702 403 1868 317 UUNET - Commercial IP service
34984 379 91 186 Tellcom Iletisim Hizmetleri
3320 378 7332 329 Deutsche Telekom AG
3301 375 1688 332 TeliaNet Sweden
30890 374 79 203 Evolva Telecom
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 1336 2571 364 Uninet S.A. de C.V.
10620 1333 247 150 TVCABLE BOGOTA
28573 1167 909 87 Types of queries are: POCs, o
7303 832 440 102 Telecom Argentina Stet-France
6503 759 223 259 AVANTEL, S.A.
22047 558 310 15 Types of queries are: POCs, o
14420 540 39 78 Types of queries are: POCs, o
3816 484 210 95 COLOMBIA TELECOMUNICACIONES S
7738 478 922 30 Telecomunicacoes da Bahia S.A
14117 448 32 27 Telefonica del Sur S.A.
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 1099 445 10 TEDATA
24863 738 147 40 LINKdotNET AS number
36992 651 279 174 Etisalat MISR
3741 266 906 224 The Internet Solution
6713 203 199 12 Itissalat Al-MAGHRIB
29571 203 19 11 Ci Telecom Autonomous system
2018 197 277 64 TENET-1
33776 196 12 14 Starcomms Nigeria Limited
16637 175 441 94 Johnnic e-Ventures
24835 165 78 9 RAYA Telecom - Egypt
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 3770 3667 278 bellsouth.net, inc.
4323 2616 1119 394 Time Warner Telecom
1785 1794 698 130 AppliedTheory Corporation
19262 1779 4833 280 Verizon Global Networks
4766 1718 9437 506 Korea Telecom (KIX)
20115 1545 1522 646 Charter Communications
7018 1461 5720 934 AT&T WorldNet Services
7545 1412 297 82 TPG Internet Pty Ltd
4755 1373 378 157 Videsh Sanchar Nigam Ltd. Aut
6478 1368 277 109 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
4323 2616 2222 Time Warner Telecom
1785 1794 1664 AppliedTheory Corporation
19262 1779 1499 Verizon Global Networks
7545 1412 1330 TPG Internet Pty Ltd
6478 1368 1259 AT&T Worldnet Services
17488 1360 1238 Hathway IP Over Cable Interne
4755 1373 1216 Videsh Sanchar Nigam Ltd. Aut
4766 1718 1212 Korea Telecom (KIX)
10620 1333 1183 TVCABLE BOGOTA
17974 1239 1162 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
23054 UNALLOCATED 12.18.240.0/24 7018 AT&T WorldNet Servic
13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
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
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS
10.29.245.27/32 286 KPNQwest Backbone AS
10.29.245.28/32 286 KPNQwest Backbone AS
10.29.245.29/32 286 KPNQwest Backbone AS
10.29.245.30/32 286 KPNQwest Backbone AS
10.29.245.50/32 286 KPNQwest Backbone AS
10.29.245.51/32 286 KPNQwest Backbone AS
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<<
41.223.196.0/24 36990 Alkan Telecom Ltd
41.223.197.0/24 36990 Alkan Telecom Ltd
41.223.198.0/24 36990 Alkan Telecom Ltd
41.223.199.0/24 36990 Alkan Telecom Ltd
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /8:20 /9:10 /10:25 /11:68 /12:203
/13:419 /14:734 /15:1330 /16:11319 /17:5573 /18:9436
/19:18825 /20:24091 /21:24118 /22:31431 /23:30776 /24:175197
/25:398 /26:435 /27:210 /28:376 /29:286 /30:641
/31:14 /32:724
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2333 3770 bellsouth.net, inc.
4323 1408 2616 Time Warner Telecom
6478 1332 1368 AT&T Worldnet Services
10620 1221 1333 TVCABLE BOGOTA
11492 1181 1224 Cable One
1785 1075 1794 AppliedTheory Corporation
18566 1069 1088 Covad Communications
7011 1056 1156 Citizens Utilities
8452 1005 1099 TEDATA
19262 904 1779 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:86 2:13 4:17 8:316 12:2010 13:8
14:33 15:20 16:3 17:9 20:9 24:1396
27:364 31:1 32:144 33:11 38:699 40:97
41:2552 44:3 46:116 47:11 49:4 52:12
55:6 56:2 57:40 58:829 59:504 60:479
61:1113 62:1054 63:1975 64:3747 65:2332 66:4084
67:1877 68:1155 69:2860 70:756 71:378 72:1988
73:2 74:2317 75:290 76:323 77:872 78:697
79:450 80:1049 81:826 82:525 83:460 84:705
85:1066 86:441 87:707 88:332 89:1579 90:106
91:3116 92:435 93:1033 94:1116 95:742 96:386
97:224 98:645 99:32 101:3 108:64 109:737
110:434 111:585 112:289 113:290 114:475 115:606
116:1111 117:661 118:541 119:975 120:204 121:710
122:1613 123:916 124:1227 125:1271 128:228 129:159
130:170 131:555 132:272 133:20 134:210 135:46
136:205 137:140 138:277 139:125 140:478 141:197
142:349 143:385 144:478 145:55 146:428 147:176
148:620 149:305 150:146 151:232 152:294 153:172
154:3 155:377 156:169 157:336 158:113 159:359
160:312 161:194 162:269 163:166 164:420 165:348
166:468 167:418 168:681 169:157 170:715 171:63
172:2 173:1017 174:562 175:207 176:1 177:1
178:534 180:675 181:1 182:240 183:228 184:128
186:732 187:505 188:846 189:827 190:4136 192:5806
193:4768 194:3485 195:2981 196:1193 198:3559 199:3606
200:5409 201:1580 202:8321 203:8294 204:4027 205:2384
206:2553 207:3044 208:3926 209:3494 210:2561 211:1304
212:1826 213:1760 214:686 215:66 216:4816 217:1593
218:521 219:401 220:1176 221:430 222:343 223:51
End of report