Routing Table Report 04:00 +10GMT Tue 17 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 390983
Prefixes after maximum aggregation: 168760
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 191009
Total ASes present in the Internet Routing Table: 39849
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 32602
Origin ASes announcing only one prefix: 15521
Transit ASes present in the Internet Routing Table: 5390
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2120
Unregistered ASNs in the Routing Table: 1071
Number of 32-bit ASNs allocated by the RIRs: 2189
Number of 32-bit ASNs visible in the Routing Table: 1857
Prefixes from 32-bit ASNs in the Routing Table: 4465
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2509750840
Equivalent to 149 /8s, 151 /16s and 194 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
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: 165841
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96420
Total APNIC prefixes after maximum aggregation: 31472
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92774
Unique aggregates announced from the APNIC address blocks: 38847
APNIC Region origin ASes present in the Internet Routing Table: 4633
APNIC Prefixes per ASN: 20.02
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 133
Number of APNIC addresses announced to Internet: 634405000
Equivalent to 37 /8s, 208 /16s and 64 /24s
Percentage of available APNIC address space announced: 80.5
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: 147462
Total ARIN prefixes after maximum aggregation: 75121
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119456
Unique aggregates announced from the ARIN address blocks: 49144
ARIN Region origin ASes present in the Internet Routing Table: 14855
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5684
ARIN Region transit ASes present in the Internet Routing Table: 1588
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804765120
Equivalent to 47 /8s, 247 /16s and 189 /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: 96695
Total RIPE prefixes after maximum aggregation: 51973
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 88557
Unique aggregates announced from the RIPE address blocks: 55635
RIPE Region origin ASes present in the Internet Routing Table: 16249
RIPE Prefixes per ASN: 5.45
RIPE Region origin ASes announcing only one prefix: 7985
RIPE Region transit ASes present in the Internet Routing Table: 2587
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1290
Number of RIPE addresses announced to Internet: 497466056
Equivalent to 29 /8s, 166 /16s and 186 /24s
Percentage of available RIPE address space announced: 80.1
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: 37311
Total LACNIC prefixes after maximum aggregation: 8048
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 36908
Unique aggregates announced from the LACNIC address blocks: 19296
LACNIC Region origin ASes present in the Internet Routing Table: 1565
LACNIC Prefixes per ASN: 23.58
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 289
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: 416
Number of LACNIC addresses announced to Internet: 95432840
Equivalent to 5 /8s, 176 /16s and 48 /24s
Percentage of available LACNIC address space announced: 63.2
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: 8468
Total AfriNIC prefixes after maximum aggregation: 2073
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 6501
Unique aggregates announced from the AfriNIC address blocks: 2111
AfriNIC Region origin ASes present in the Internet Routing Table: 507
AfriNIC Prefixes per ASN: 12.82
AfriNIC Region origin ASes announcing only one prefix: 159
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.5
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: 30833152
Equivalent to 1 /8s, 214 /16s and 122 /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 2465 11100 970 Korea Telecom (KIX)
17974 1716 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1634 303 84 TPG Internet Pty Ltd
4755 1517 385 156 TATA Communications formerly
7552 1425 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 492 Sify Limited
4808 1097 2050 308 CNCGROUP IP network: China169
24560 1011 384 167 Bharti Airtel Ltd., Telemedia
18101 944 130 154 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3457 3807 205 bellsouth.net, inc.
7029 3223 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
20115 1618 1552 619 Charter Communications
4323 1604 1062 382 Time Warner Telecom
22773 1517 2909 108 Cox Communications, Inc.
30036 1489 264 696 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1297 7008 847 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1718 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
6830 644 1928 413 UPC Distribution Services
34984 639 188 174 BILISIM TELEKOM
31148 574 35 9 FreeNet ISP
20940 567 183 451 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
8551 527 360 81 Bezeq International
3320 517 8157 393 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 1738 321 159 TVCABLE BOGOTA
28573 1590 1066 77 NET Servicos de Comunicao S.A
8151 1460 2997 343 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 635 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 238 92 Empresa Nacional de Telecomun
6503 541 434 68 AVANTEL, S.A.
11172 534 86 100 Servicios Alestra S.A de C.V
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1030 958 13 TEDATA
24863 796 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 239 32 6 Sudatel Internet Exchange Aut
33776 218 13 8 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 189 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3457 3807 205 bellsouth.net, inc.
7029 3223 1017 200 Windstream Communications Inc
4766 2465 11100 970 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
10620 1738 321 159 TVCABLE BOGOTA
8402 1718 480 15 Corbina telecom
17974 1716 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1634 303 84 TPG Internet Pty Ltd
20115 1618 1552 619 Charter Communications
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3223 3023 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1742 PaeTec Communications, Inc.
8402 1718 1703 Corbina telecom
17974 1716 1680 PT TELEKOMUNIKASI INDONESIA
10620 1738 1579 TVCABLE BOGOTA
7545 1634 1550 TPG Internet Pty Ltd
28573 1590 1513 NET Servicos de Comunicao S.A
4766 2465 1495 Korea Telecom (KIX)
7552 1425 1418 Vietel Corporation
Complete listing at http://thyme.rand.apnic.net/current/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 4323 Time Warner Telecom
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 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/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 37345 MEDALLION Communications
41.223.92.0/22 36936 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /12:234
/13:463 /14:817 /15:1459 /16:12122 /17:6146 /18:10187
/19:20203 /20:28004 /21:28545 /22:38919 /23:36436 /24:203662
/25:1186 /26:1421 /27:782 /28:170 /29:56 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2843 3223 Windstream Communications Inc
6389 2118 3457 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1697 1718 Corbina telecom
10620 1633 1738 TVCABLE BOGOTA
30036 1448 1489 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1865 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1042 1159 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:503 2:474 4:15 5:1 6:3 8:369
12:1950 13:1 14:583 15:11 16:3 17:6
20:9 23:106 24:1711 27:1179 31:811 32:67
33:2 34:2 36:8 37:90 38:795 40:114
41:2888 42:86 43:1 44:3 46:1220 47:3
49:317 50:512 52:13 55:7 56:2 57:41
58:946 59:491 60:345 61:1176 62:945 63:1963
64:4108 65:2292 66:4383 67:2005 68:1155 69:3152
70:919 71:414 72:1799 74:2644 75:446 76:315
77:948 78:887 79:491 80:1189 81:861 82:559
83:530 84:585 85:1149 86:743 87:909 88:338
89:1549 90:267 91:4427 92:534 93:1573 94:1322
95:1150 96:395 97:296 98:791 99:38 100:18
101:132 103:636 106:10 107:133 108:124 109:1428
110:684 111:840 112:429 113:521 114:608 115:755
116:867 117:726 118:906 119:1245 120:350 121:678
122:1618 123:1048 124:1335 125:1355 128:535 129:192
130:202 131:587 132:162 133:21 134:231 135:59
136:213 137:151 138:288 139:145 140:491 141:260
142:378 143:391 144:504 145:68 146:484 147:223
148:635 149:279 150:166 151:193 152:447 153:170
154:7 155:394 156:210 157:366 158:155 159:511
160:320 161:221 162:337 163:187 164:529 165:391
166:562 167:456 168:852 169:146 170:830 171:105
172:4 173:1780 174:597 175:422 176:356 177:449
178:1184 180:1204 181:43 182:694 183:265 184:437
185:1 186:1486 187:827 188:1039 189:1159 190:5340
192:5987 193:5472 194:3945 195:3308 196:1283 197:167
198:3625 199:4305 200:5650 201:1703 202:8388 203:8571
204:4352 205:2423 206:2740 207:2805 208:4019 209:3549
210:2744 211:1478 212:1970 213:1825 214:835 215:94
216:4938 217:1472 218:559 219:338 220:1246 221:557
222:324 223:268
End of report
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