Routing Table Report 00:00 GMT Fri 06 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: 392924
Prefixes after maximum aggregation: 169819
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190791
Total ASes present in the Internet Routing Table: 39774
Prefixes per ASN: 9.88
Origin-only ASes present in the Internet Routing Table: 32624
Origin ASes announcing only one prefix: 15533
Transit ASes present in the Internet Routing Table: 5322
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 25
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6529
Unregistered ASNs in the Routing Table: 1068
Number of 32-bit ASNs allocated by the RIRs: 2157
Number of 32-bit ASNs visible in the Routing Table: 1828
Prefixes from 32-bit ASNs in the Routing Table: 4357
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 119
Number of addresses announced to Internet: 2506765030
Equivalent to 149 /8s, 106 /16s and 50 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
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: 165101
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94493
Total APNIC prefixes after maximum aggregation: 30294
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 90916
Unique aggregates announced from the APNIC address blocks: 38819
APNIC Region origin ASes present in the Internet Routing Table: 4609
APNIC Prefixes per ASN: 19.73
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 737
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 633187840
Equivalent to 37 /8s, 189 /16s and 174 /24s
Percentage of available APNIC address space announced: 80.3
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: 149812
Total ARIN prefixes after maximum aggregation: 77163
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121624
Unique aggregates announced from the ARIN address blocks: 49000
ARIN Region origin ASes present in the Internet Routing Table: 14852
ARIN Prefixes per ASN: 8.19
ARIN Region origin ASes announcing only one prefix: 5669
ARIN Region transit ASes present in the Internet Routing Table: 1537
Average ARIN Region AS path length visible: 3.6
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: 804830728
Equivalent to 47 /8s, 248 /16s and 190 /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: 97661
Total RIPE prefixes after maximum aggregation: 52124
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88842
Unique aggregates announced from the RIPE address blocks: 55635
RIPE Region origin ASes present in the Internet Routing Table: 16240
RIPE Prefixes per ASN: 5.47
RIPE Region origin ASes announcing only one prefix: 7986
RIPE Region transit ASes present in the Internet Routing Table: 2571
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1276
Number of RIPE addresses announced to Internet: 496142988
Equivalent to 29 /8s, 146 /16s and 138 /24s
Percentage of available RIPE address space announced: 79.9
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: 37710
Total LACNIC prefixes after maximum aggregation: 8073
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37191
Unique aggregates announced from the LACNIC address blocks: 19188
LACNIC Region origin ASes present in the Internet Routing Table: 1562
LACNIC Prefixes per ASN: 23.81
LACNIC Region origin ASes announcing only one prefix: 451
LACNIC Region transit ASes present in the Internet Routing Table: 281
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 409
Number of LACNIC addresses announced to Internet: 95262216
Equivalent to 5 /8s, 173 /16s and 150 /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: 8628
Total AfriNIC prefixes after maximum aggregation: 2092
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6654
Unique aggregates announced from the AfriNIC address blocks: 2085
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 13.20
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 3.7
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: 30798080
Equivalent to 1 /8s, 213 /16s and 241 /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 1901 11097 657 Korea Telecom (KIX)
17974 1720 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4755 1517 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1412 1064 7 Vietel Corporation
9829 1123 988 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1062 2017 300 CNCGROUP IP network: China169
24560 986 381 164 Bharti Airtel Ltd.
18101 975 131 157 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 3474 3814 217 bellsouth.net, inc.
7029 3104 1033 208 Windstream Communications Inc
18566 2095 382 177 Covad Communications
1785 1865 680 121 AppliedTheory Corporation
4323 1620 1081 386 Time Warner Telecom
20115 1615 1551 618 Charter Communications
22773 1518 2909 107 Cox Communications, Inc.
30036 1480 263 687 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 1549 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
286 1084 789 188 KPNQwest Backbone AS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 646 1928 414 UPC Distribution Services
34984 635 132 197 Tellcom Iletisim Hizmetleri
20940 555 178 444 Akamai Technologies European
8551 551 360 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 1564 1064 76 Types of queries are: POCs, o
8151 1507 2971 346 Uninet S.A. de C.V.
7303 1254 755 178 Telecom Argentina Stet-France
27947 635 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 549 434 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 1039 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 242 32 6 Sudatel Internet Exchange Aut
33776 239 13 9 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 191 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 3474 3814 217 bellsouth.net, inc.
7029 3104 1033 208 Windstream Communications Inc
18566 2095 382 177 Covad Communications
4766 1901 11097 657 Korea Telecom (KIX)
1785 1865 680 121 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1720 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1627 303 86 TPG Internet Pty Ltd
4323 1620 1081 386 Time Warner Telecom
20115 1615 1551 618 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 3104 2896 Windstream Communications Inc
18566 2095 1918 Covad Communications
1785 1865 1744 AppliedTheory Corporation
17974 1720 1683 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1627 1541 TPG Internet Pty Ltd
8402 1549 1534 Corbina telecom
28573 1564 1488 Types of queries are: POCs, o
22773 1518 1411 Cox Communications, Inc.
7552 1412 1405 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
37.35.8.0/21 8400 "TELEKOM SRBIJA" a.d.
37.35.64.0/21 33983 National IP network of ARTMOT
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 /11:81 /12:237
/13:465 /14:820 /15:1481 /16:12236 /17:6397 /18:10497
/19:20724 /20:29070 /21:28744 /22:39124 /23:36618 /24:204612
/25:69 /26:84 /27:109 /28:294 /29:113 /30:548
/31:52 /32:491
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2723 3104 Windstream Communications Inc
6389 2119 3474 bellsouth.net, inc.
18566 2044 2095 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1528 1549 Corbina telecom
30036 1439 1480 Mediacom Communications Corp
11492 1114 1151 Cable One
1785 1065 1865 AppliedTheory Corporation
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:494 2:426 4:19 5:1 6:3 8:369
12:1951 13:1 14:584 15:11 16:3 17:7
20:9 23:85 24:1713 27:1171 31:837 32:122
33:2 34:2 36:4 37:13 38:799 39:1
40:114 41:3026 42:85 43:1 44:3 46:1164
47:3 49:300 50:504 52:13 55:6 56:2
57:51 58:935 59:487 60:344 61:1187 62:956
63:1984 64:4138 65:2303 66:4394 67:2019 68:1352
69:3258 70:975 71:419 72:1816 73:1 74:2701
75:455 76:329 77:942 78:896 79:520 80:1194
81:855 82:542 83:536 84:583 85:1173 86:756
87:917 88:352 89:1606 90:260 91:4420 92:536
93:1521 94:1344 95:1050 96:404 97:294 98:802
99:38 100:18 101:250 103:616 106:10 107:121
108:104 109:1432 110:707 111:838 112:429 113:512
114:608 115:749 116:897 117:737 118:900 119:1256
120:384 121:697 122:1618 123:1056 124:1365 125:1350
128:512 129:194 130:191 131:588 132:162 133:21
134:227 135:54 136:213 137:150 138:285 139:147
140:490 141:261 142:383 143:403 144:498 145:67
146:474 147:234 148:685 149:275 150:165 151:192
152:444 153:169 154:7 155:398 156:210 157:368
158:155 159:510 160:345 161:221 162:337 163:188
164:523 165:415 166:552 167:455 168:816 169:148
170:828 171:95 172:4 173:1805 174:593 175:438
176:334 177:449 178:1170 180:1241 181:43 182:687
183:265 184:423 185:1 186:1475 187:817 188:1009
189:1175 190:5360 192:6014 193:5471 194:3829 195:3258
196:1296 197:175 198:3635 199:4272 200:5612 201:1692
202:8614 203:8599 204:4348 205:2429 206:2734 207:2810
208:4029 209:3561 210:2768 211:1485 212:1984 213:1823
214:834 215:94 216:4950 217:1489 218:571 219:339
220:1249 221:563 222:326 223:268
End of report
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