Routing Table Report 00:00 GMT Thu 16 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: 402092
Prefixes after maximum aggregation: 171287
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 192715
Total ASes present in the Internet Routing Table: 40169
Prefixes per ASN: 10.01
Origin-only ASes present in the Internet Routing Table: 32767
Origin ASes announcing only one prefix: 15560
Transit ASes present in the Internet Routing Table: 5429
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 5161
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 2279
Number of 32-bit ASNs visible in the Routing Table: 1973
Prefixes from 32-bit ASNs in the Routing Table: 4727
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 201
Number of addresses announced to Internet: 2516096993
Equivalent to 149 /8s, 248 /16s and 151 /24s
Percentage of available address space announced: 67.9
Percentage of allocated address space announced: 67.9
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: 169093
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96638
Total APNIC prefixes after maximum aggregation: 30800
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 93022
Unique aggregates announced from the APNIC address blocks: 39296
APNIC Region origin ASes present in the Internet Routing Table: 4634
APNIC Prefixes per ASN: 20.07
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 748
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: 146
Number of APNIC addresses announced to Internet: 636151552
Equivalent to 37 /8s, 234 /16s and 231 /24s
Percentage of available APNIC address space announced: 80.7
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: 151183
Total ARIN prefixes after maximum aggregation: 77569
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122855
Unique aggregates announced from the ARIN address blocks: 49461
ARIN Region origin ASes present in the Internet Routing Table: 14938
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: 1566
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: 804927496
Equivalent to 47 /8s, 250 /16s and 56 /24s
Percentage of available ARIN address space announced: 64.0
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: 101294
Total RIPE prefixes after maximum aggregation: 52703
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 92184
Unique aggregates announced from the RIPE address blocks: 56169
RIPE Region origin ASes present in the Internet Routing Table: 16342
RIPE Prefixes per ASN: 5.64
RIPE Region origin ASes announcing only one prefix: 8013
RIPE Region transit ASes present in the Internet Routing Table: 2621
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: 1361
Number of RIPE addresses announced to Internet: 501172108
Equivalent to 29 /8s, 223 /16s and 71 /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: 39025
Total LACNIC prefixes after maximum aggregation: 8043
LACNIC Deaggregation factor: 4.85
Prefixes being announced from the LACNIC address blocks: 38681
Unique aggregates announced from the LACNIC address blocks: 19521
LACNIC Region origin ASes present in the Internet Routing Table: 1575
LACNIC Prefixes per ASN: 24.56
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 294
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 447
Number of LACNIC addresses announced to Internet: 96599048
Equivalent to 5 /8s, 193 /16s and 252 /24s
Percentage of available LACNIC address space announced: 64.0
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: 8999
Total AfriNIC prefixes after maximum aggregation: 2087
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 7001
Unique aggregates announced from the AfriNIC address blocks: 2135
AfriNIC Region origin ASes present in the Internet Routing Table: 515
AfriNIC Prefixes per ASN: 13.59
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 116
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: 30943232
Equivalent to 1 /8s, 216 /16s and 40 /24s
Percentage of available AfriNIC address space announced: 46.1
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 1914 11102 670 Korea Telecom (KIX)
17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1638 303 84 TPG Internet Pty Ltd
4755 1548 385 158 Videsh Sanchar Nigam Ltd. Aut
7552 1409 1064 7 Vietel Corporation
9829 1181 997 29 BSNL National Internet Backbo
9583 1125 84 482 Sify Limited
24560 1015 385 167 Bharti Airtel Ltd.
4808 973 1986 292 CNCGROUP IP network: China169
18101 951 131 156 Reliance Infocom Ltd Internet
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 3441 3807 202 bellsouth.net, inc.
7029 3389 1018 160 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1872 680 125 AppliedTheory Corporation
20115 1627 1550 629 Charter Communications
4323 1605 1062 382 Time Warner Telecom
22773 1526 2910 110 Cox Communications, Inc.
19262 1387 4703 397 Verizon Global Networks
30036 1384 244 754 Mediacom Communications Corp
7018 1312 7013 853 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 1718 480 15 Corbina telecom
2118 1400 97 13 EUnet/RELCOM Autonomous Syste
15557 1096 2161 64 LDCOM NETWORKS
286 1054 806 198 KPNQwest Backbone AS
34984 650 188 172 Tellcom Iletisim Hizmetleri
6830 642 1926 411 UPC Distribution Services
20940 608 196 477 Akamai Technologies European
12479 604 643 54 Uni2 Autonomous System
8551 580 360 81 Bezeq International
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 1742 323 176 TVCABLE BOGOTA
28573 1638 1085 65 Types of queries are: POCs, o
8151 1520 2985 341 Uninet S.A. de C.V.
7303 1189 753 133 Telecom Argentina Stet-France
26615 897 672 33 Types of queries are: POCs, o
27947 660 67 108 Telconet S.A
11172 630 91 72 Alestra
22047 581 322 17 Types of queries are: POCs, o
6503 560 418 67 AVANTEL, S.A.
3816 555 238 92 COLOMBIA TELECOMUNICACIONES S
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 1236 958 13 TEDATA
24863 830 156 44 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 273 938 225 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 YEBO-AS
24835 193 80 8 RAYA Telecom - Egypt
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 3441 3807 202 bellsouth.net, inc.
7029 3389 1018 160 Windstream Communications Inc
18566 2091 382 177 Covad Communications
4766 1914 11102 670 Korea Telecom (KIX)
1785 1872 680 125 AppliedTheory Corporation
10620 1742 323 176 TVCABLE BOGOTA
17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1718 480 15 Corbina telecom
7545 1638 303 84 TPG Internet Pty Ltd
28573 1638 1085 65 Types of queries are: POCs, o
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 3389 3229 Windstream Communications Inc
18566 2091 1914 Covad Communications
1785 1872 1747 AppliedTheory Corporation
8402 1718 1703 Corbina telecom
17974 1732 1696 PT TELEKOMUNIKASI INDONESIA
28573 1638 1573 Types of queries are: POCs, o
10620 1742 1566 TVCABLE BOGOTA
7545 1638 1554 TPG Internet Pty Ltd
22773 1526 1416 Cox Communications, Inc.
7552 1409 1402 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
10.29.245.1/32 286 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
10.29.245.27/32 286 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
23.27.0.0/16 18779 Guru.com
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
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 /8:19 /9:12 /10:27 /11:80 /12:231
/13:458 /14:821 /15:1502 /16:12292 /17:6470 /18:10727
/19:21043 /20:29550 /21:29688 /22:40335 /23:37557 /24:209643
/25:65 /26:82 /27:107 /28:280 /29:105 /30:531
/31:19 /32:448
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3044 3389 Windstream Communications Inc
6389 2110 3441 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1697 1718 Corbina telecom
10620 1639 1742 TVCABLE BOGOTA
30036 1341 1384 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1066 1872 AppliedTheory Corporation
8452 1045 1236 TEDATA
15557 1045 1096 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:512 2:711 4:18 5:1 6:3 8:386
12:1964 13:1 14:604 15:11 16:3 17:7
20:9 23:135 24:1734 27:1190 31:939 32:124
33:2 34:2 36:9 37:187 38:783 39:4
40:115 41:3152 42:97 43:1 44:3 46:1296
47:3 49:334 50:517 52:13 54:2 55:10
56:3 57:48 58:971 59:496 60:345 61:1203
62:958 63:2023 64:4160 65:2288 66:4451 67:2062
68:1358 69:3278 70:978 71:412 72:1824 73:1
74:2711 75:476 76:333 77:979 78:949 79:499
80:1220 81:891 82:620 83:529 84:593 85:1158
86:750 87:927 88:350 89:1567 90:270 91:4486
92:531 93:1347 94:1387 95:1113 96:421 97:310
98:829 99:38 100:4 101:273 103:804 106:65
107:154 108:156 109:1494 110:721 111:852 112:439
113:544 114:620 115:767 116:900 117:737 118:918
119:1253 120:364 121:712 122:1626 123:1088 124:1387
125:1375 128:533 129:193 130:217 131:592 132:167
133:21 134:235 135:60 136:216 137:182 138:287
139:157 140:488 141:262 142:392 143:412 144:510
145:69 146:485 147:247 148:768 149:282 150:163
151:196 152:447 153:170 154:7 155:414 156:211
157:370 158:160 159:516 160:323 161:245 162:341
163:188 164:531 165:410 166:557 167:456 168:757
169:148 170:761 171:114 172:4 173:1751 174:607
175:439 176:516 177:498 178:1260 180:1201 181:65
182:736 183:279 184:428 185:1 186:2057 187:846
188:1066 189:1173 190:5499 192:6009 193:5560 194:4360
195:3456 196:1298 197:167 198:3629 199:4386 200:5718
201:1727 202:8503 203:8694 204:4369 205:2457 206:2765
207:2798 208:4093 209:3583 210:2792 211:1493 212:2091
213:1865 214:859 215:102 216:5048 217:1485 218:554
219:339 220:1258 221:559 222:348 223:314
End of report