Routing Table Report 00:00 GMT Sat 02 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: 336087
Prefixes after maximum aggregation: 152063
Deaggregation factor: 2.21
Unique aggregates announced to Internet: 163512
Total ASes present in the Internet Routing Table: 34958
Prefixes per ASN: 9.61
Origin-only ASes present in the Internet Routing Table: 30143
Origin ASes announcing only one prefix: 14669
Transit ASes present in the Internet Routing Table: 4815
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 4.9
Max AS path length visible: 33
Max AS path prepend of ASN (36992) 29
Prefixes from unregistered ASNs in the Routing Table: 4278
Unregistered ASNs in the Routing Table: 1813
Number of 32-bit ASNs allocated by the RIRs: 804
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: 229
Number of addresses announced to Internet: 2277291263
Equivalent to 135 /8s, 188 /16s and 180 /24s
Percentage of available address space announced: 61.4
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: 85.0
Total number of prefixes smaller than registry allocations: 158478
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79969
Total APNIC prefixes after maximum aggregation: 27067
APNIC Deaggregation factor: 2.95
Prefixes being announced from the APNIC address blocks: 76968
Unique aggregates announced from the APNIC address blocks: 34225
APNIC Region origin ASes present in the Internet Routing Table: 4183
APNIC Prefixes per ASN: 18.40
APNIC Region origin ASes announcing only one prefix: 1175
APNIC Region transit ASes present in the Internet Routing Table: 660
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 551428290
Equivalent to 32 /8s, 222 /16s and 32 /24s
Percentage of available APNIC address space announced: 78.3
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: 138383
Total ARIN prefixes after maximum aggregation: 71114
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 109716
Unique aggregates announced from the ARIN address blocks: 43442
ARIN Region origin ASes present in the Internet Routing Table: 13967
ARIN Prefixes per ASN: 7.86
ARIN Region origin ASes announcing only one prefix: 5343
ARIN Region transit ASes present in the Internet Routing Table: 1461
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 26
Number of ARIN addresses announced to Internet: 736279841
Equivalent to 43 /8s, 226 /16s and 189 /24s
Percentage of available ARIN address space announced: 62.7
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: 79406
Total RIPE prefixes after maximum aggregation: 44527
RIPE Deaggregation factor: 1.78
Prefixes being announced from the RIPE address blocks: 72131
Unique aggregates announced from the RIPE address blocks: 45695
RIPE Region origin ASes present in the Internet Routing Table: 14862
RIPE Prefixes per ASN: 4.85
RIPE Region origin ASes announcing only one prefix: 7607
RIPE Region transit ASes present in the Internet Routing Table: 2310
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 26
Number of RIPE addresses announced to Internet: 440071742
Equivalent to 26 /8s, 58 /16s and 246 /24s
Percentage of available RIPE address space announced: 77.1
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: 30729
Total LACNIC prefixes after maximum aggregation: 7331
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 29223
Unique aggregates announced from the LACNIC address blocks: 15068
LACNIC Region origin ASes present in the Internet Routing Table: 1355
LACNIC Prefixes per ASN: 21.57
LACNIC Region origin ASes announcing only one prefix: 419
LACNIC Region transit ASes present in the Internet Routing Table: 243
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 23
Number of LACNIC addresses announced to Internet: 75709768
Equivalent to 4 /8s, 131 /16s and 61 /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: 7360
Total AfriNIC prefixes after maximum aggregation: 1900
AfriNIC Deaggregation factor: 3.87
Prefixes being announced from the AfriNIC address blocks: 5664
Unique aggregates announced from the AfriNIC address blocks: 1690
AfriNIC Region origin ASes present in the Internet Routing Table: 408
AfriNIC Prefixes per ASN: 13.88
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 89
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC addresses announced to Internet: 20935168
Equivalent to 1 /8s, 63 /16s and 114 /24s
Percentage of available AfriNIC address space announced: 62.4
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 1678 9435 496 Korea Telecom (KIX)
7545 1410 298 83 TPG Internet Pty Ltd
4755 1357 368 163 Videsh Sanchar Nigam Ltd. Aut
17488 1347 155 124 Hathway IP Over Cable Interne
17974 1251 301 85 PT TELEKOMUNIKASI INDONESIA
24560 1062 308 178 Bharti Airtel Ltd.
9583 1029 77 495 Sify Limited
18101 882 100 132 Reliance Infocom Ltd Internet
4808 824 1563 231 CNCGROUP IP network: China169
9829 820 692 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 3775 3667 277 bellsouth.net, inc.
4323 2711 1091 389 Time Warner Telecom
19262 1822 4820 286 Verizon Global Networks
1785 1793 698 131 AppliedTheory Corporation
20115 1536 1518 647 Charter Communications
7018 1482 5705 949 AT&T WorldNet Services
6478 1354 275 136 AT&T Worldnet Services
2386 1292 554 912 AT&T Data Communications Serv
11492 1218 229 78 Cable One
22773 1200 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
286 862 681 145 KPNQwest Backbone AS
9116 534 328 33 Goldenlines main autonomous s
3292 487 2026 389 TDC Tele Danmark
8866 418 117 21 Bulgarian Telecommunication C
702 404 1869 318 UUNET - Commercial IP service
8551 404 355 38 Bezeq International
34984 379 90 185 Tellcom Iletisim Hizmetleri
3301 377 1688 333 TeliaNet Sweden
30890 374 79 203 Evolva Telecom
3320 371 7328 322 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 1642 2575 360 Uninet S.A. de C.V.
10620 1324 248 149 TVCABLE BOGOTA
28573 1174 893 92 Types of queries are: POCs, o
7303 810 424 102 Telecom Argentina Stet-France
6503 757 223 258 AVANTEL, S.A.
22047 561 310 15 Types of queries are: POCs, o
14420 556 39 81 Types of queries are: POCs, o
3816 482 210 93 COLOMBIA TELECOMUNICACIONES S
7738 477 922 30 Telecomunicacoes da Bahia S.A
11172 445 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 1006 445 10 TEDATA
24863 737 147 39 LINKdotNET AS number
36992 652 279 181 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
24835 163 78 9 RAYA Telecom - Egypt
16637 158 440 94 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 3775 3667 277 bellsouth.net, inc.
4323 2711 1091 389 Time Warner Telecom
19262 1822 4820 286 Verizon Global Networks
1785 1793 698 131 AppliedTheory Corporation
4766 1678 9435 496 Korea Telecom (KIX)
8151 1642 2575 360 Uninet S.A. de C.V.
20115 1536 1518 647 Charter Communications
7018 1482 5705 949 AT&T WorldNet Services
7545 1410 298 83 TPG Internet Pty Ltd
4755 1357 368 163 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 2711 2322 Time Warner Telecom
1785 1793 1662 AppliedTheory Corporation
19262 1822 1536 Verizon Global Networks
7545 1410 1327 TPG Internet Pty Ltd
8151 1642 1282 Uninet S.A. de C.V.
17488 1347 1223 Hathway IP Over Cable Interne
6478 1354 1218 AT&T Worldnet Services
4755 1357 1194 Videsh Sanchar Nigam Ltd. Aut
4766 1678 1182 Korea Telecom (KIX)
10620 1324 1175 TVCABLE BOGOTA
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
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
32249 UNALLOCATED 8.225.178.0/24 3356 Level 3 Communicatio
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
46.16.64.0/22 28703 Joint Stock Company "UralInte
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
/13:423 /14:733 /15:1327 /16:11315 /17:5585 /18:9482
/19:18845 /20:24047 /21:24111 /22:31369 /23:30804 /24:174928
/25:399 /26:444 /27:192 /28:337 /29:178 /30:531
/31:14 /32:697
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6389 2404 3775 bellsouth.net, inc.
4323 1369 2711 Time Warner Telecom
4766 1305 1678 Korea Telecom (KIX)
1785 1259 1793 AppliedTheory Corporation
10620 1212 1324 TVCABLE BOGOTA
11492 1105 1218 Cable One
17488 1087 1347 Hathway IP Over Cable Interne
18566 1068 1087 Covad Communications
24560 960 1062 Bharti Airtel Ltd.
8452 920 1006 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:74 2:16 4:17 8:312 12:2015 13:8
14:13 15:20 16:3 17:9 20:8 24:1394
27:354 31:1 32:144 33:12 38:701 40:97
41:2470 44:3 46:140 47:10 49:4 52:12
55:5 56:2 57:40 58:827 59:508 60:478
61:1090 62:1069 63:1978 64:3739 65:2298 66:4068
67:1869 68:1149 69:2852 70:741 71:377 72:1991
73:2 74:2323 75:290 76:321 77:879 78:682
79:431 80:1027 81:812 82:529 83:466 84:692
85:1065 86:439 87:715 88:334 89:1579 90:104
91:3099 92:437 93:1014 94:1100 95:730 96:398
97:223 98:640 99:32 101:3 108:64 109:726
110:432 111:595 112:295 113:288 114:468 115:600
116:1106 117:661 118:530 119:974 120:178 121:717
122:1549 123:916 124:1228 125:1273 128:229 129:160
130:172 131:557 132:270 133:20 134:209 135:46
136:224 137:140 138:276 139:125 140:480 141:196
142:349 143:354 144:482 145:55 146:429 147:171
148:631 149:300 150:146 151:233 152:292 153:171
154:3 155:367 156:169 157:336 158:112 159:357
160:315 161:190 162:267 163:165 164:418 165:370
166:468 167:409 168:678 169:156 170:719 171:62
172:2 173:1088 174:559 175:176 176:1 177:1
178:520 180:675 181:1 182:232 183:253 184:156
186:686 187:523 188:831 189:1098 190:4132 192:5814
193:4766 194:3487 195:2982 196:1204 198:3571 199:3594
200:5422 201:1592 202:8236 203:8311 204:4022 205:2389
206:2548 207:3042 208:3907 209:3500 210:2555 211:1304
212:1832 213:1763 214:670 215:66 216:4792 217:1586
218:494 219:401 220:1169 221:430 222:337 223:46
End of report