Routing Table Report 00:00 GMT Mon 09 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: 392895
Prefixes after maximum aggregation: 169855
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184963
Total ASes present in the Internet Routing Table: 39785
Prefixes per ASN: 9.88
Origin-only ASes present in the Internet Routing Table: 32575
Origin ASes announcing only one prefix: 15526
Transit ASes present in the Internet Routing Table: 5384
Transit-only ASes present in the Internet Routing Table: 140
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: 6543
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: 1826
Prefixes from 32-bit ASNs in the Routing Table: 4375
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2336057830
Equivalent to 139 /8s, 61 /16s and 105 /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: 165152
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94292
Total APNIC prefixes after maximum aggregation: 30340
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90725
Unique aggregates announced from the APNIC address blocks: 37283
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: 1265
APNIC Region transit ASes present in the Internet Routing Table: 752
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: 617258240
Equivalent to 36 /8s, 202 /16s and 157 /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: 149867
Total ARIN prefixes after maximum aggregation: 77131
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121683
Unique aggregates announced from the ARIN address blocks: 46167
ARIN Region origin ASes present in the Internet Routing Table: 14860
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: 1544
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: 666864136
Equivalent to 39 /8s, 191 /16s and 138 /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: 97956
Total RIPE prefixes after maximum aggregation: 52156
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 89073
Unique aggregates announced from the RIPE address blocks: 54181
RIPE Region origin ASes present in the Internet Routing Table: 16238
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 7979
RIPE Region transit ASes present in the Internet Routing Table: 2600
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: 1275
Number of RIPE addresses announced to Internet: 479490188
Equivalent to 28 /8s, 148 /16s and 112 /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: 37602
Total LACNIC prefixes after maximum aggregation: 8084
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 37086
Unique aggregates announced from the LACNIC address blocks: 19174
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.76
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 296
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: 406
Number of LACNIC addresses announced to Internet: 95203080
Equivalent to 5 /8s, 172 /16s and 175 /24s
Percentage of available LACNIC address space announced: 63.1
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: 8556
Total AfriNIC prefixes after maximum aggregation: 2071
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6585
Unique aggregates announced from the AfriNIC address blocks: 2045
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 13.01
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 115
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: 30702848
Equivalent to 1 /8s, 212 /16s and 125 /24s
Percentage of available AfriNIC address space announced: 45.8
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 1911 11097 658 Korea Telecom (KIX)
17974 1721 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4755 1515 385 157 Videsh Sanchar Nigam Ltd. Aut
9829 1172 989 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
7552 1075 1062 11 Vietel Corporation
4808 1032 1963 287 CNCGROUP IP network: China169
24560 982 380 168 Bharti Airtel Ltd.
18101 977 131 157 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 3477 3814 217 bellsouth.net, inc.
7029 3201 1046 214 Windstream Communications Inc
18566 2094 382 177 Covad Communications
1785 1866 681 122 AppliedTheory Corporation
20115 1616 1552 619 Charter Communications
4323 1602 1080 385 Time Warner Telecom
22773 1516 2909 107 Cox Communications, Inc.
30036 1485 264 691 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1307 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 1613 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 554 360 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 1565 1064 76 Types of queries are: POCs, o
8151 1502 2978 343 Uninet S.A. de C.V.
7303 1255 756 178 Telecom Argentina Stet-France
27947 635 73 94 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 1030 958 13 TEDATA
24863 792 146 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 3477 3814 217 bellsouth.net, inc.
7029 3201 1046 214 Windstream Communications Inc
18566 2094 382 177 Covad Communications
4766 1911 11097 658 Korea Telecom (KIX)
1785 1866 681 122 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1721 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
20115 1616 1552 619 Charter Communications
8402 1613 480 15 Corbina telecom
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 3201 2987 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1866 1744 AppliedTheory Corporation
17974 1721 1684 PT TELEKOMUNIKASI INDONESIA
8402 1613 1598 Corbina telecom
10620 1721 1562 TVCABLE BOGOTA
7545 1627 1541 TPG Internet Pty Ltd
28573 1565 1489 Types of queries are: POCs, o
22773 1516 1409 Cox Communications, Inc.
4755 1515 1358 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 /15:1481 /16:12241 /17:6408 /18:10497
/19:20713 /20:29050 /21:28697 /22:39091 /23:36612 /24:204691
/25:68 /26:84 /27:108 /28:289 /29:114 /30:547
/31:52 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2811 3201 Windstream Communications Inc
6389 2122 3477 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1592 1613 Corbina telecom
30036 1444 1485 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1065 1866 AppliedTheory Corporation
7011 1050 1167 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 2:458 4:19 5:1 6:3 8:368
12:1950 13:1 14:584 15:11 16:3 17:7
20:9 23:86 24:1721 27:1169 31:833 32:122
33:2 34:2 36:8 37:77 38:801 39:1
40:114 41:2980 42:85 43:1 44:3 45:1
46:1183 47:3 49:316 50:503 52:13 55:8
56:2 57:51 58:947 59:488 60:339 61:1190
62:959 63:1983 64:4132 65:2307 66:4394 67:2018
68:1351 69:3257 70:966 71:419 72:1817 73:1
74:2697 75:454 76:332 77:942 78:893 79:517
80:1192 81:866 82:554 83:536 84:593 85:1173
86:754 87:915 88:352 89:1612 90:261 91:4415
92:534 93:1531 94:1337 95:1061 96:406 97:296
98:795 99:38 100:18 101:250 103:626 106:10
107:126 108:105 109:1434 110:704 111:829 112:429
113:527 114:613 115:751 116:898 117:729 118:904
119:1253 120:387 121:693 122:1613 123:1054 124:1367
125:1297 128:532 129:195 130:189 131:587 132:162
133:21 134:227 135:54 136:213 137:151 138:286
139:146 140:489 141:262 142:381 143:397 144:505
145:67 146:479 147:233 148:686 149:276 150:166
151:192 152:444 153:169 154:7 155:407 156:210
157:368 158:155 159:511 160:344 161:221 162:337
163:188 164:526 165:414 166:559 167:455 168:816
169:148 170:829 171:95 172:4 173:1803 174:594
175:440 176:339 177:446 178:1172 180:1238 181:43
182:688 183:266 184:426 185:1 186:1493 187:818
188:1016 189:1175 190:5334 192:6011 193:5478 194:3827
195:3257 196:1289 197:175 198:3636 199:4284 200:5597
201:1638 202:8607 203:8605 204:4353 205:2429 206:2737
207:2812 208:4034 209:3538 210:2770 211:1486 212:2015
213:1828 214:835 215:94 216:4954 217:1484 218:572
219:339 220:1221 221:563 222:326 223:269
End of report
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