Routing Table Report 04:00 +10GMT Mon 16 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 390942
Prefixes after maximum aggregation: 168697
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 190899
Total ASes present in the Internet Routing Table: 39832
Prefixes per ASN: 9.81
Origin-only ASes present in the Internet Routing Table: 32601
Origin ASes announcing only one prefix: 15514
Transit ASes present in the Internet Routing Table: 5378
Transit-only ASes present in the Internet Routing Table: 136
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: 2111
Unregistered ASNs in the Routing Table: 1066
Number of 32-bit ASNs allocated by the RIRs: 2187
Number of 32-bit ASNs visible in the Routing Table: 1853
Prefixes from 32-bit ASNs in the Routing Table: 4457
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 116
Number of addresses announced to Internet: 2509253944
Equivalent to 149 /8s, 144 /16s and 45 /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: 165773
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96479
Total APNIC prefixes after maximum aggregation: 31472
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 92836
Unique aggregates announced from the APNIC address blocks: 38886
APNIC Region origin ASes present in the Internet Routing Table: 4639
APNIC Prefixes per ASN: 20.01
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 731
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 132
Number of APNIC addresses announced to Internet: 634077064
Equivalent to 37 /8s, 203 /16s and 63 /24s
Percentage of available APNIC address space announced: 80.4
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: 147482
Total ARIN prefixes after maximum aggregation: 75120
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119475
Unique aggregates announced from the ARIN address blocks: 49122
ARIN Region origin ASes present in the Internet Routing Table: 14852
ARIN Prefixes per ASN: 8.04
ARIN Region origin ASes announcing only one prefix: 5680
ARIN Region transit ASes present in the Internet Routing Table: 1584
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: 96577
Total RIPE prefixes after maximum aggregation: 51918
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 88437
Unique aggregates announced from the RIPE address blocks: 55549
RIPE Region origin ASes present in the Internet Routing Table: 16241
RIPE Prefixes per ASN: 5.45
RIPE Region origin ASes announcing only one prefix: 7977
RIPE Region transit ASes present in the Internet Routing Table: 2581
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1286
Number of RIPE addresses announced to Internet: 497351368
Equivalent to 29 /8s, 164 /16s and 250 /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: 37310
Total LACNIC prefixes after maximum aggregation: 8045
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 36915
Unique aggregates announced from the LACNIC address blocks: 19289
LACNIC Region origin ASes present in the Internet Routing Table: 1562
LACNIC Prefixes per ASN: 23.63
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 288
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: 417
Number of LACNIC addresses announced to Internet: 95410568
Equivalent to 5 /8s, 175 /16s and 217 /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: 8476
Total AfriNIC prefixes after maximum aggregation: 2069
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 6514
Unique aggregates announced from the AfriNIC address blocks: 2083
AfriNIC Region origin ASes present in the Internet Routing Table: 507
AfriNIC Prefixes per ASN: 12.85
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 115
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: 30833408
Equivalent to 1 /8s, 214 /16s and 123 /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 1717 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1636 303 86 TPG Internet Pty Ltd
4755 1516 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 1100 2050 311 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 3455 3807 207 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 1298 7008 848 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 1684 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
31148 656 35 9 FreeNet ISP
6830 644 1928 413 UPC Distribution Services
34984 639 188 174 BILISIM TELEKOM
20940 559 182 446 Akamai Technologies European
12479 550 636 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 1579 1066 77 NET Servicos de Comunicao S.A
8151 1463 2998 344 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 540 434 68 AVANTEL, S.A.
11172 535 102 101 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 1028 958 13 TEDATA
24863 795 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
33776 240 13 8 Starcomms Nigeria Limited
15706 239 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 188 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 3455 3807 207 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
17974 1717 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1684 480 15 Corbina telecom
7545 1636 303 86 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.
17974 1717 1681 PT TELEKOMUNIKASI INDONESIA
8402 1684 1669 Corbina telecom
10620 1738 1579 TVCABLE BOGOTA
7545 1636 1550 TPG Internet Pty Ltd
28573 1579 1502 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 /16:12119 /17:6144 /18:10187
/19:20210 /20:27994 /21:28542 /22:38895 /23:36431 /24:203665
/25:1182 /26:1422 /27:783 /28:170 /29:54 /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 2116 3455 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1663 1684 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)
----------------------------------------------
1:492 2:473 4:15 5:1 6:3 8:369
12:1947 13:1 14:582 15:11 16:3 17:6
20:9 23:102 24:1711 27:1176 31:812 32:67
33:2 34:2 36:8 37:87 38:794 40:114
41:2897 42:86 43:1 44:3 46:1216 47:3
49:317 50:512 52:13 55:7 56:2 57:41
58:947 59:491 60:345 61:1181 62:942 63:1964
64:4116 65:2298 66:4381 67:1997 68:1155 69:3149
70:919 71:428 72:1806 74:2648 75:446 76:315
77:952 78:893 79:501 80:1181 81:862 82:550
83:530 84:586 85:1145 86:742 87:908 88:336
89:1597 90:266 91:4416 92:534 93:1548 94:1349
95:1068 96:395 97:296 98:800 99:38 100:18
101:129 103:635 106:10 107:133 108:125 109:1422
110:681 111:838 112:427 113:521 114:607 115:756
116:870 117:726 118:906 119:1236 120:357 121:675
122:1626 123:1050 124:1337 125:1355 128:534 129:192
130:203 131:587 132:162 133:21 134:231 135:59
136:209 137:151 138:288 139:145 140:491 141:260
142:378 143:390 144:502 145:68 146:484 147:223
148:634 149:279 150:166 151:193 152:447 153:170
154:7 155:394 156:210 157:366 158:155 159:511
160:320 161:221 162:337 163:187 164:529 165:391
166:562 167:456 168:852 169:147 170:830 171:105
172:4 173:1779 174:592 175:422 176:347 177:453
178:1186 180:1224 181:43 182:689 183:267 184:431
185:1 186:1497 187:829 188:1038 189:1162 190:5348
192:5991 193:5461 194:3941 195:3304 196:1282 197:167
198:3621 199:4302 200:5640 201:1703 202:8439 203:8592
204:4349 205:2424 206:2740 207:2808 208:4020 209:3548
210:2744 211:1480 212:1974 213:1815 214:833 215:94
216:4936 217:1460 218:560 219:338 220:1246 221:557
222:324 223:267
End of report
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