Routing Table Report 00:00 GMT Tue 10 Jan, 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: 393073
Prefixes after maximum aggregation: 169835
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184988
Total ASes present in the Internet Routing Table: 39800
Prefixes per ASN: 9.88
Origin-only ASes present in the Internet Routing Table: 32578
Origin ASes announcing only one prefix: 15530
Transit ASes present in the Internet Routing Table: 5394
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 27
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6568
Unregistered ASNs in the Routing Table: 1068
Number of 32-bit ASNs allocated by the RIRs: 2166
Number of 32-bit ASNs visible in the Routing Table: 1828
Prefixes from 32-bit ASNs in the Routing Table: 4379
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2336194022
Equivalent to 139 /8s, 63 /16s and 125 /24s
Percentage of available address space announced: 63.0
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 165284
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94297
Total APNIC prefixes after maximum aggregation: 30325
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90728
Unique aggregates announced from the APNIC address blocks: 37316
APNIC Region origin ASes present in the Internet Routing Table: 4613
APNIC Prefixes per ASN: 19.67
APNIC Region origin ASes announcing only one prefix: 1262
APNIC Region transit ASes present in the Internet Routing Table: 753
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: 127
Number of APNIC addresses announced to Internet: 617353984
Equivalent to 36 /8s, 204 /16s and 19 /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,
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: 149936
Total ARIN prefixes after maximum aggregation: 77103
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121760
Unique aggregates announced from the ARIN address blocks: 46179
ARIN Region origin ASes present in the Internet Routing Table: 14861
ARIN Prefixes per ASN: 8.19
ARIN Region origin ASes announcing only one prefix: 5673
ARIN Region transit ASes present in the Internet Routing Table: 1548
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: 14
Number of ARIN addresses announced to Internet: 666842376
Equivalent to 39 /8s, 191 /16s and 53 /24s
Percentage of available ARIN address space announced: 53.0
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: 98119
Total RIPE prefixes after maximum aggregation: 52164
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 89228
Unique aggregates announced from the RIPE address blocks: 54160
RIPE Region origin ASes present in the Internet Routing Table: 16245
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 7985
RIPE Region transit ASes present in the Internet Routing Table: 2596
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1276
Number of RIPE addresses announced to Internet: 479498380
Equivalent to 28 /8s, 148 /16s and 144 /24s
Percentage of available RIPE address space announced: 77.2
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: 37586
Total LACNIC prefixes after maximum aggregation: 8083
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 37062
Unique aggregates announced from the LACNIC address blocks: 19168
LACNIC Region origin ASes present in the Internet Routing Table: 1562
LACNIC Prefixes per ASN: 23.73
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 407
Number of LACNIC addresses announced to Internet: 95190792
Equivalent to 5 /8s, 172 /16s and 127 /24s
Percentage of available LACNIC address space announced: 63.0
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: 8494
Total AfriNIC prefixes after maximum aggregation: 2086
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 6520
Unique aggregates announced from the AfriNIC address blocks: 2058
AfriNIC Region origin ASes present in the Internet Routing Table: 507
AfriNIC Prefixes per ASN: 12.86
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 117
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30793472
Equivalent to 1 /8s, 213 /16s and 223 /24s
Percentage of available AfriNIC address space announced: 45.9
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 1910 11097 658 Korea Telecom (KIX)
17974 1722 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4755 1516 385 157 Videsh Sanchar Nigam Ltd. Aut
9829 1157 989 28 BSNL National Internet Backbo
9583 1113 81 497 Sify Limited
7552 1075 1062 11 Vietel Corporation
4808 1032 1963 287 CNCGROUP IP network: China169
24560 1010 384 167 Bharti Airtel Ltd.
18101 975 130 156 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 3476 3814 219 bellsouth.net, inc.
7029 3220 1046 214 Windstream Communications Inc
18566 2094 382 177 Covad Communications
1785 1867 681 123 AppliedTheory Corporation
20115 1616 1552 619 Charter Communications
4323 1602 1080 385 Time Warner Telecom
22773 1518 2909 107 Cox Communications, Inc.
30036 1485 264 691 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1306 7030 858 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 1647 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
286 1094 806 197 KPNQwest Backbone AS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 645 1927 413 UPC Distribution Services
34984 635 132 197 Tellcom Iletisim Hizmetleri
20940 568 184 455 Akamai Technologies European
8551 555 360 81 Bezeq International
12479 551 636 53 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 1721 319 159 TVCABLE BOGOTA
28573 1566 1065 77 Types of queries are: POCs, o
8151 1502 2978 340 Uninet S.A. de C.V.
7303 1254 756 179 Telecom Argentina Stet-France
27947 636 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
3816 552 237 91 COLOMBIA TELECOMUNICACIONES S
7738 551 1050 31 Telecomunicacoes da Bahia S.A
6503 548 434 69 AVANTEL, S.A.
10481 547 429 25 Prima 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 1026 958 13 TEDATA
24863 793 146 34 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 240 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 188 80 8 RAYA Telecom - Egypt
16637 157 664 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 3476 3814 219 bellsouth.net, inc.
7029 3220 1046 214 Windstream Communications Inc
18566 2094 382 177 Covad Communications
4766 1910 11097 658 Korea Telecom (KIX)
1785 1867 681 123 AppliedTheory Corporation
17974 1722 503 37 PT TELEKOMUNIKASI INDONESIA
10620 1721 319 159 TVCABLE BOGOTA
8402 1647 480 15 Corbina telecom
7545 1627 303 86 TPG Internet Pty Ltd
20115 1616 1552 619 Charter Communications
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 3220 3006 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1867 1744 AppliedTheory Corporation
17974 1722 1685 PT TELEKOMUNIKASI INDONESIA
8402 1647 1632 Corbina telecom
10620 1721 1562 TVCABLE BOGOTA
7545 1627 1541 TPG Internet Pty Ltd
28573 1566 1489 Types of queries are: POCs, o
22773 1518 1411 Cox Communications, Inc.
4755 1516 1359 Videsh Sanchar Nigam Ltd. Aut
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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>UNKNOWN<<
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 /11:81 /12:236
/13:466 /14:820 /15:1484 /16:12247 /17:6405 /18:10507
/19:20709 /20:29036 /21:28728 /22:39115 /23:36658 /24:204768
/25:68 /26:84 /27:108 /28:295 /29:112 /30:546
/31:52 /32:489
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2828 3220 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2043 2094 Covad Communications
8402 1626 1647 Corbina telecom
10620 1616 1721 TVCABLE BOGOTA
30036 1444 1485 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1065 1867 AppliedTheory Corporation
7011 1051 1168 Citizens Utilities
15557 1046 1096 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:493 2:466 4:19 5:1 6:3 8:369
12:1951 13:1 14:584 15:11 16:3 17:7
20:9 23:86 24:1718 27:1170 31:869 32:122
33:2 34:2 36:8 37:77 38:799 39:1
40:114 41:2899 42:85 43:1 44:3 45:1
46:1186 47:3 49:318 50:504 52:13 55:6
56:2 57:51 58:949 59:487 60:344 61:1190
62:959 63:1983 64:4139 65:2306 66:4395 67:2020
68:1353 69:3251 70:968 71:419 72:1817 73:1
74:2697 75:454 76:333 77:943 78:900 79:516
80:1192 81:870 82:554 83:536 84:593 85:1175
86:756 87:916 88:352 89:1613 90:261 91:4419
92:534 93:1539 94:1364 95:1067 96:405 97:296
98:793 99:38 100:18 101:249 103:628 106:10
107:127 108:110 109:1437 110:705 111:834 112:429
113:526 114:616 115:758 116:894 117:727 118:907
119:1248 120:389 121:694 122:1620 123:1056 124:1367
125:1309 128:537 129:195 130:192 131:588 132:162
133:21 134:227 135:57 136:213 137:151 138:285
139:153 140:490 141:260 142:381 143:398 144:503
145:67 146:476 147:233 148:688 149:276 150:166
151:193 152:444 153:169 154:7 155:408 156:210
157:367 158:155 159:511 160:344 161:221 162:337
163:188 164:526 165:414 166:558 167:456 168:832
169:148 170:829 171:99 172:4 173:1807 174:603
175:441 176:338 177:444 178:1174 180:1241 181:43
182:690 183:267 184:427 185:1 186:1492 187:817
188:1017 189:1161 190:5285 192:6008 193:5483 194:3829
195:3253 196:1290 197:173 198:3637 199:4286 200:5597
201:1642 202:8541 203:8610 204:4351 205:2433 206:2736
207:2812 208:4040 209:3573 210:2770 211:1497 212:2020
213:1830 214:830 215:93 216:4966 217:1481 218:570
219:336 220:1227 221:560 222:326 223:269
End of report
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