Routing Table Report 00:00 GMT Sun 10 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: 336015
Prefixes after maximum aggregation: 152026
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 163712
Total ASes present in the Internet Routing Table: 34987
Prefixes per ASN: 9.60
Origin-only ASes present in the Internet Routing Table: 30149
Origin ASes announcing only one prefix: 14691
Transit ASes present in the Internet Routing Table: 4838
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 4643
Unregistered ASNs in the Routing Table: 1988
Number of 32-bit ASNs allocated by the RIRs: 814
Prefixes from 32-bit ASNs in the Routing Table: 7
Special use prefixes present in the Routing Table: 65
Prefixes being announced from unallocated address space: 221
Number of addresses announced to Internet: 2278699467
Equivalent to 135 /8s, 210 /16s and 49 /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: 85.1
Total number of prefixes smaller than registry allocations: 138115
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79738
Total APNIC prefixes after maximum aggregation: 27106
APNIC Deaggregation factor: 2.94
Prefixes being announced from the APNIC address blocks: 76778
Unique aggregates announced from the APNIC address blocks: 34314
APNIC Region origin ASes present in the Internet Routing Table: 4182
APNIC Prefixes per ASN: 18.36
APNIC Region origin ASes announcing only one prefix: 1177
APNIC Region transit ASes present in the Internet Routing Table: 656
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 550983682
Equivalent to 32 /8s, 215 /16s and 88 /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: 138288
Total ARIN prefixes after maximum aggregation: 71083
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 109454
Unique aggregates announced from the ARIN address blocks: 43287
ARIN Region origin ASes present in the Internet Routing Table: 13961
ARIN Prefixes per ASN: 7.84
ARIN Region origin ASes announcing only one prefix: 5337
ARIN Region transit ASes present in the Internet Routing Table: 1467
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 23
Number of ARIN addresses announced to Internet: 737124097
Equivalent to 43 /8s, 239 /16s and 159 /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: 80051
Total RIPE prefixes after maximum aggregation: 44641
RIPE Deaggregation factor: 1.79
Prefixes being announced from the RIPE address blocks: 72791
Unique aggregates announced from the RIPE address blocks: 45878
RIPE Region origin ASes present in the Internet Routing Table: 14891
RIPE Prefixes per ASN: 4.89
RIPE Region origin ASes announcing only one prefix: 7623
RIPE Region transit ASes present in the Internet Routing Table: 2308
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 440834490
Equivalent to 26 /8s, 70 /16s and 153 /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: 30223
Total LACNIC prefixes after maximum aggregation: 7175
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 28902
Unique aggregates announced from the LACNIC address blocks: 15119
LACNIC Region origin ASes present in the Internet Routing Table: 1365
LACNIC Prefixes per ASN: 21.17
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 251
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 28
Number of LACNIC addresses announced to Internet: 76077192
Equivalent to 4 /8s, 136 /16s and 216 /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: 7471
Total AfriNIC prefixes after maximum aggregation: 1898
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 5783
Unique aggregates announced from the AfriNIC address blocks: 1753
AfriNIC Region origin ASes present in the Internet Routing Table: 406
AfriNIC Prefixes per ASN: 14.24
AfriNIC Region origin ASes announcing only one prefix: 123
AfriNIC Region transit ASes present in the Internet Routing Table: 92
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 20852224
Equivalent to 1 /8s, 62 /16s and 46 /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 1717 9437 505 Korea Telecom (KIX)
7545 1413 298 83 TPG Internet Pty Ltd
4755 1366 376 157 Videsh Sanchar Nigam Ltd. Aut
17488 1360 156 122 Hathway IP Over Cable Interne
17974 1230 301 79 PT TELEKOMUNIKASI INDONESIA
24560 1037 297 196 Bharti Airtel Ltd.
9583 1032 77 496 Sify Limited
18101 887 100 133 Reliance Infocom Ltd Internet
4808 824 1563 231 CNCGROUP IP network: China169
9829 819 692 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 3773 3667 277 bellsouth.net, inc.
4323 2613 1108 391 Time Warner Telecom
1785 1791 698 130 AppliedTheory Corporation
19262 1778 4817 279 Verizon Global Networks
20115 1544 1522 646 Charter Communications
7018 1466 5702 936 AT&T WorldNet Services
6478 1368 277 109 AT&T Worldnet Services
2386 1308 555 923 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
3301 378 1688 334 TeliaNet Sweden
3320 377 7329 328 Deutsche Telekom AG
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
10620 1333 247 150 TVCABLE BOGOTA
8151 1218 2569 360 Uninet S.A. de C.V.
28573 1175 909 87 Types of queries are: POCs, o
7303 832 440 102 Telecom Argentina Stet-France
6503 755 223 257 AVANTEL, S.A.
22047 558 310 15 Types of queries are: POCs, o
14420 540 39 78 Types of queries are: POCs, o
3816 483 210 94 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 1095 445 10 TEDATA
24863 738 147 39 LINKdotNET AS number
36992 651 279 174 Etisalat MISR
3741 265 893 228 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 172 440 92 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 3773 3667 277 bellsouth.net, inc.
4323 2613 1108 391 Time Warner Telecom
1785 1791 698 130 AppliedTheory Corporation
19262 1778 4817 279 Verizon Global Networks
4766 1717 9437 505 Korea Telecom (KIX)
20115 1544 1522 646 Charter Communications
7018 1466 5702 936 AT&T WorldNet Services
7545 1413 298 83 TPG Internet Pty Ltd
6478 1368 277 109 AT&T Worldnet Services
4755 1366 376 157 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 2613 2222 Time Warner Telecom
1785 1791 1661 AppliedTheory Corporation
19262 1778 1499 Verizon Global Networks
7545 1413 1330 TPG Internet Pty Ltd
6478 1368 1259 AT&T Worldnet Services
17488 1360 1238 Hathway IP Over Cable Interne
4766 1717 1212 Korea Telecom (KIX)
4755 1366 1209 Videsh Sanchar Nigam Ltd. Aut
10620 1333 1183 TVCABLE BOGOTA
11492 1224 1153 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S
15040 UNALLOCATED 8.12.156.0/24 3356 Level 3 Communicatio
53317 UNALLOCATED 8.14.38.0/24 3356 Level 3 Communicatio
33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio
53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio
53407 UNALLOCATED 8.22.15.0/24 174 Cogent Communication
22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks
21893 UNALLOCATED 8.26.33.0/24 3356 Level 3 Communicatio
53591 UNALLOCATED 8.26.82.0/24 22241 Integrated Communica
26169 UNALLOCATED 8.225.177.0/24 20225 TelJet
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 /15:1329 /16:11319 /17:5596 /18:9488
/19:18841 /20:24019 /21:24062 /22:31355 /23:30754 /24:174882
/25:395 /26:403 /27:214 /28:256 /29:283 /30:620
/31:14 /32:706
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2337 3773 bellsouth.net, inc.
4323 1409 2613 Time Warner Telecom
6478 1332 1368 AT&T Worldnet Services
10620 1221 1333 TVCABLE BOGOTA
11492 1181 1224 Cable One
1785 1075 1791 AppliedTheory Corporation
7011 1056 1156 Citizens Utilities
18566 1039 1058 Covad Communications
8452 1001 1095 TEDATA
19262 904 1778 Verizon Global Networks
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:77 2:18 4:17 8:316 12:2009 13:8
14:33 15:20 16:3 17:9 20:8 24:1396
27:363 31:1 32:144 33:11 38:699 40:97
41:2560 44:3 46:152 47:11 49:4 52:12
55:6 56:2 57:40 58:830 59:504 60:479
61:1091 62:1056 63:1975 64:3745 65:2335 66:4084
67:1874 68:1156 69:2861 70:756 71:378 72:1987
73:2 74:2311 75:290 76:322 77:887 78:699
79:450 80:1047 81:825 82:528 83:469 84:703
85:1066 86:440 87:719 88:335 89:1589 90:106
91:3124 92:446 93:1048 94:1116 95:742 96:385
97:223 98:643 99:32 101:3 108:64 109:730
110:433 111:584 112:293 113:287 114:477 115:606
116:1111 117:660 118:536 119:967 120:203 121:718
122:1558 123:913 124:1228 125:1270 128:228 129:159
130:170 131:556 132:273 133:20 134:210 135:46
136:208 137:140 138:276 139:125 140:478 141:196
142:349 143:387 144:470 145:55 146:428 147:176
148:616 149:305 150:146 151:232 152:295 153:172
154:3 155:368 156:169 157:336 158:113 159:360
160:312 161:184 162:269 163:166 164:419 165:362
166:467 167:417 168:682 169:156 170:716 171:63
172:2 173:1018 174:562 175:176 176:1 177:1
178:543 180:675 181:1 182:240 183:224 184:127
186:733 187:500 188:841 189:826 190:4136 192:5803
193:4765 194:3490 195:2983 196:1195 198:3560 199:3599
200:5412 201:1581 202:8139 203:8310 204:3989 205:2382
206:2553 207:3029 208:3905 209:3491 210:2562 211:1303
212:1827 213:1778 214:667 215:66 216:4807 217:1593
218:495 219:401 220:1172 221:429 222:343 223:51
End of report