Routing Table Report 00:00 GMT Thu 09 Feb, 2012
NB: RouteViews data includes iBGP information from some ASNs.
Treat the information provided below appropriately.
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/rviews/
Analysis Summary
----------------
BGP routing table entries examined: 400985
Prefixes after maximum aggregation: 171021
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192355
Total ASes present in the Internet Routing Table: 40082
Prefixes per ASN: 10.00
Origin-only ASes present in the Internet Routing Table: 32748
Origin ASes announcing only one prefix: 15564
Transit ASes present in the Internet Routing Table: 5390
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5057
Unregistered ASNs in the Routing Table: 145
Number of 32-bit ASNs allocated by the RIRs: 2269
Number of 32-bit ASNs visible in the Routing Table: 1944
Prefixes from 32-bit ASNs in the Routing Table: 4672
Special use prefixes present in the Routing Table: 90
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2514226410
Equivalent to 149 /8s, 220 /16s and 12 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 168772
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96264
Total APNIC prefixes after maximum aggregation: 30669
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 92665
Unique aggregates announced from the APNIC address blocks: 39145
APNIC Region origin ASes present in the Internet Routing Table: 4630
APNIC Prefixes per ASN: 20.01
APNIC Region origin ASes announcing only one prefix: 1253
APNIC Region transit ASes present in the Internet Routing Table: 743
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 141
Number of APNIC addresses announced to Internet: 635764224
Equivalent to 37 /8s, 228 /16s and 254 /24s
Percentage of available APNIC address space announced: 80.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 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: 150939
Total ARIN prefixes after maximum aggregation: 77523
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122635
Unique aggregates announced from the ARIN address blocks: 49400
ARIN Region origin ASes present in the Internet Routing Table: 14922
ARIN Prefixes per ASN: 8.22
ARIN Region origin ASes announcing only one prefix: 5692
ARIN Region transit ASes present in the Internet Routing Table: 1559
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804464648
Equivalent to 47 /8s, 243 /16s and 40 /24s
Percentage of available ARIN address space announced: 63.9
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, 23/8, 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,
53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 100817
Total RIPE prefixes after maximum aggregation: 52532
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 91752
Unique aggregates announced from the RIPE address blocks: 56066
RIPE Region origin ASes present in the Internet Routing Table: 16323
RIPE Prefixes per ASN: 5.62
RIPE Region origin ASes announcing only one prefix: 8011
RIPE Region transit ASes present in the Internet Routing Table: 2593
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1345
Number of RIPE addresses announced to Internet: 500969868
Equivalent to 29 /8s, 220 /16s and 49 /24s
Percentage of available RIPE address space announced: 80.7
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, 56320-58367
196608-198655
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 39041
Total LACNIC prefixes after maximum aggregation: 8110
LACNIC Deaggregation factor: 4.81
Prefixes being announced from the LACNIC address blocks: 38590
Unique aggregates announced from the LACNIC address blocks: 19435
LACNIC Region origin ASes present in the Internet Routing Table: 1570
LACNIC Prefixes per ASN: 24.58
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 439
Number of LACNIC addresses announced to Internet: 96528904
Equivalent to 5 /8s, 192 /16s and 234 /24s
Percentage of available LACNIC address space announced: 63.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 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: 9021
Total AfriNIC prefixes after maximum aggregation: 2112
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 7038
Unique aggregates announced from the AfriNIC address blocks: 2156
AfriNIC Region origin ASes present in the Internet Routing Table: 513
AfriNIC Prefixes per ASN: 13.72
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30893824
Equivalent to 1 /8s, 215 /16s and 103 /24s
Percentage of available AfriNIC address space announced: 46.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1904 11096 664 Korea Telecom (KIX)
17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1639 303 85 TPG Internet Pty Ltd
4755 1535 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1392 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
9583 1124 83 483 Sify Limited
24560 1013 385 167 Bharti Airtel Ltd.
4808 977 1986 292 CNCGROUP IP network: China169
17488 949 161 224 Hathway IP Over Cable Interne
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3442 3807 204 bellsouth.net, inc.
7029 3388 1014 159 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1867 680 125 AppliedTheory Corporation
20115 1625 1550 630 Charter Communications
4323 1606 1062 382 Time Warner Telecom
22773 1502 2910 109 Cox Communications, Inc.
30036 1402 246 749 Mediacom Communications Corp
19262 1384 4683 400 Verizon Global Networks
7018 1312 7012 855 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1730 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
286 1131 806 205 KPNQwest Backbone AS
15557 1095 2161 63 LDCOM NETWORKS
34984 647 188 171 Tellcom Iletisim Hizmetleri
6830 642 1926 411 UPC Distribution Services
20940 599 195 469 Akamai Technologies European
8551 577 360 81 Bezeq International
12479 568 642 54 Uni2 Autonomous System
9116 541 326 32 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1735 323 170 TVCABLE BOGOTA
28573 1653 1085 69 Types of queries are: POCs, o
8151 1504 3010 340 Uninet S.A. de C.V.
7303 1262 758 181 Telecom Argentina Stet-France
26615 897 664 33 Types of queries are: POCs, o
11172 694 95 75 Alestra
27947 655 73 99 Telconet S.A
22047 581 322 17 Types of queries are: POCs, o
3816 551 238 92 COLOMBIA TELECOMUNICACIONES S
7738 550 1050 31 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1231 958 13 TEDATA
24863 829 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 230 13 14 Starcomms Nigeria Limited
12258 197 28 62 YEBO-AS
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 160 664 85 Johnnic e-Ventures
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3442 3807 204 bellsouth.net, inc.
7029 3388 1014 159 Windstream Communications Inc
18566 2093 382 177 Covad Communications
4766 1904 11096 664 Korea Telecom (KIX)
1785 1867 680 125 AppliedTheory Corporation
10620 1735 323 170 TVCABLE BOGOTA
17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1730 480 15 Corbina telecom
28573 1653 1085 69 Types of queries are: POCs, o
7545 1639 303 85 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3388 3229 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1867 1742 AppliedTheory Corporation
8402 1730 1715 Corbina telecom
17974 1732 1696 PT TELEKOMUNIKASI INDONESIA
28573 1653 1584 Types of queries are: POCs, o
10620 1735 1565 TVCABLE BOGOTA
7545 1639 1554 TPG Internet Pty Ltd
22773 1502 1393 Cox Communications, Inc.
7552 1392 1385 Vietel Corporation
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.29.244.56/29 286 KPNQwest Backbone AS
10.29.245.1/32 286 KPNQwest Backbone AS
10.29.245.2/32 286 KPNQwest Backbone AS
10.29.245.15/32 286 KPNQwest Backbone AS
10.29.245.19/32 286 KPNQwest Backbone AS
10.29.245.20/32 286 KPNQwest Backbone AS
10.29.245.21/32 286 KPNQwest Backbone AS
10.29.245.22/32 286 KPNQwest Backbone AS
10.29.245.25/32 286 KPNQwest Backbone AS
10.29.245.26/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.110.128.0/19 42610 National Cable Networks
Complete listing at http://thyme.rand.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 /9:12 /10:27 /11:80 /12:231
/13:458 /14:821 /15:1502 /16:12292 /17:6447 /18:10695
/19:21028 /20:29451 /21:29591 /22:40128 /23:37497 /24:208989
/25:68 /26:83 /27:106 /28:280 /29:115 /30:559
/31:53 /32:452
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3044 3388 Windstream Communications Inc
6389 2111 3442 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1709 1730 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1361 1402 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1065 1867 AppliedTheory Corporation
15557 1045 1095 LDCOM NETWORKS
8452 1037 1231 TEDATA
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:504 2:485 4:18 5:1 6:3 8:387
12:1959 13:1 14:598 15:11 16:3 17:7
20:9 23:130 24:1731 27:1191 31:933 32:124
33:2 34:2 36:9 37:175 38:779 39:4
40:115 41:3181 42:93 43:1 44:3 46:1283
47:3 49:325 50:516 52:13 54:2 55:8
56:3 57:48 58:967 59:491 60:346 61:1203
62:944 63:2024 64:4151 65:2286 66:4447 67:2066
68:1358 69:3264 70:973 71:411 72:1824 73:1
74:2706 75:477 76:335 77:971 78:926 79:517
80:1229 81:889 82:580 83:532 84:585 85:1153
86:747 87:930 88:359 89:1564 90:275 91:4460
92:540 93:1552 94:1362 95:1154 96:420 97:310
98:811 99:38 100:4 101:262 103:778 106:10
107:148 108:155 109:1491 110:718 111:849 112:437
113:543 114:611 115:764 116:897 117:738 118:922
119:1251 120:364 121:707 122:1625 123:1073 124:1393
125:1363 128:531 129:192 130:215 131:590 132:164
133:21 134:233 135:60 136:215 137:153 138:285
139:157 140:489 141:261 142:388 143:415 144:520
145:69 146:486 147:253 148:762 149:274 150:171
151:196 152:448 153:170 154:7 155:414 156:211
157:368 158:157 159:513 160:321 161:244 162:341
163:188 164:528 165:412 166:556 167:457 168:761
169:148 170:833 171:111 172:2 173:1764 174:591
175:436 176:474 177:479 178:1238 180:1210 181:65
182:726 183:276 184:425 185:1 186:2052 187:842
188:1038 189:1170 190:5484 192:6006 193:5547 194:4355
195:3447 196:1304 197:181 198:3630 199:4380 200:5716
201:1739 202:8466 203:8675 204:4350 205:2445 206:2756
207:2809 208:4084 209:3595 210:2781 211:1489 212:2073
213:1859 214:859 215:95 216:5030 217:1473 218:556
219:342 220:1258 221:559 222:348 223:280
End of report