Routing Table Report 04:00 +10GMT Thu 29 Dec, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 387627
Prefixes after maximum aggregation: 168235
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 189783
Total ASes present in the Internet Routing Table: 39685
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32548
Origin ASes announcing only one prefix: 15515
Transit ASes present in the Internet Routing Table: 5345
Transit-only ASes present in the Internet Routing Table: 140
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: 1989
Unregistered ASNs in the Routing Table: 1024
Number of 32-bit ASNs allocated by the RIRs: 2137
Number of 32-bit ASNs visible in the Routing Table: 1792
Prefixes from 32-bit ASNs in the Routing Table: 4285
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 108
Number of addresses announced to Internet: 2504851760
Equivalent to 149 /8s, 77 /16s and 1 /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: 91.8
Total number of prefixes smaller than registry allocations: 164340
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95746
Total APNIC prefixes after maximum aggregation: 31412
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 92103
Unique aggregates announced from the APNIC address blocks: 38696
APNIC Region origin ASes present in the Internet Routing Table: 4618
APNIC Prefixes per ASN: 19.94
APNIC Region origin ASes announcing only one prefix: 1252
APNIC Region transit ASes present in the Internet Routing Table: 726
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 124
Number of APNIC addresses announced to Internet: 632457856
Equivalent to 37 /8s, 178 /16s and 138 /24s
Percentage of available APNIC address space announced: 80.2
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: 146685
Total ARIN prefixes after maximum aggregation: 74919
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118813
Unique aggregates announced from the ARIN address blocks: 48653
ARIN Region origin ASes present in the Internet Routing Table: 14821
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5678
ARIN Region transit ASes present in the Internet Routing Table: 1575
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: 804625088
Equivalent to 47 /8s, 245 /16s and 154 /24s
Percentage of available ARIN address space announced: 63.9
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: 95189
Total RIPE prefixes after maximum aggregation: 51757
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87207
Unique aggregates announced from the RIPE address blocks: 55441
RIPE Region origin ASes present in the Internet Routing Table: 16218
RIPE Prefixes per ASN: 5.38
RIPE Region origin ASes announcing only one prefix: 7976
RIPE Region transit ASes present in the Internet Routing Table: 2575
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: 1253
Number of RIPE addresses announced to Internet: 495352008
Equivalent to 29 /8s, 134 /16s and 120 /24s
Percentage of available RIPE address space announced: 79.8
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: 36971
Total LACNIC prefixes after maximum aggregation: 8008
LACNIC Deaggregation factor: 4.62
Prefixes being announced from the LACNIC address blocks: 36499
Unique aggregates announced from the LACNIC address blocks: 18995
LACNIC Region origin ASes present in the Internet Routing Table: 1554
LACNIC Prefixes per ASN: 23.49
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 281
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 397
Number of LACNIC addresses announced to Internet: 95105672
Equivalent to 5 /8s, 171 /16s and 50 /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: 8591
Total AfriNIC prefixes after maximum aggregation: 2069
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6641
Unique aggregates announced from the AfriNIC address blocks: 2096
AfriNIC Region origin ASes present in the Internet Routing Table: 501
AfriNIC Prefixes per ASN: 13.26
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 112
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: 30850048
Equivalent to 1 /8s, 214 /16s and 188 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2489 11102 969 Korea Telecom (KIX)
17974 1717 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4755 1519 386 159 TATA Communications formerly
7552 1422 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1164 88 518 Sify Limited
4808 1079 2037 308 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd., Telemedia
18101 975 131 157 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 3473 3814 220 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1860 680 122 PaeTec Communications, Inc.
4323 1622 1065 385 Time Warner Telecom
20115 1612 1549 622 Charter Communications
22773 1515 2909 107 Cox Communications, Inc.
30036 1469 261 688 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1308 7051 834 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 1583 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 648 1928 413 UPC Distribution Services
34984 632 132 198 BILISIM TELEKOM
20940 555 179 442 Akamai Technologies European
12479 552 636 53 Uni2 Autonomous System
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8551 473 367 39 Bezeq International
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 1721 319 159 TVCABLE BOGOTA
28573 1567 1064 75 NET Servicos de Comunicao S.A
8151 1454 2981 352 UniNet S.A. de C.V.
7303 1252 754 175 Telecom Argentina Stet-France
27947 628 73 92 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 Empresa Nacional de Telecomun
6503 537 434 66 AVANTEL, S.A.
11172 530 86 97 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 1040 958 13 TEDATA
24863 791 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 249 647 17 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 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 3473 3814 220 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
4766 2489 11102 969 Korea Telecom (KIX)
18566 2094 383 177 Covad Communications
1785 1860 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1717 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4323 1622 1065 385 Time Warner Telecom
20115 1612 1549 622 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 2917 2717 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1860 1738 PaeTec Communications, Inc.
17974 1717 1679 PT TELEKOMUNIKASI INDONESIA
8402 1583 1568 Corbina telecom
10620 1721 1562 TVCABLE BOGOTA
7545 1629 1543 TPG Internet Pty Ltd
4766 2489 1520 Korea Telecom (KIX)
28573 1567 1492 NET Servicos de Comunicao S.A
7552 1422 1415 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
37.26.0.0/18 39232 Uninet broadband provider
41.222.79.0/24 36938 >>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 /12:237
/13:465 /14:814 /15:1449 /16:12079 /17:6118 /18:10170
/19:20148 /20:27987 /21:28269 /22:38485 /23:35891 /24:201758
/25:1183 /26:1404 /27:780 /28:165 /29:55 /30:13
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2545 2917 Windstream Communications Inc
6389 2118 3473 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1562 1583 Corbina telecom
30036 1429 1469 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1860 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:465 2:432 4:15 5:1 6:3 8:366
12:1947 13:1 14:577 15:11 16:3 17:7
20:9 23:81 24:1713 27:1122 31:764 32:67
33:2 34:2 36:4 37:9 38:775 40:114
41:3024 42:80 43:1 44:3 46:1148 47:3
49:280 50:471 52:13 55:5 56:2 57:42
58:923 59:487 60:344 61:1173 62:935 63:1968
64:4132 65:2303 66:4376 67:1986 68:1165 69:3134
70:924 71:410 72:1788 74:2644 75:431 76:320
77:942 78:881 79:480 80:1188 81:843 82:526
83:531 84:576 85:1162 86:747 87:902 88:361
89:1593 90:260 91:4383 92:534 93:1526 94:1341
95:1051 96:398 97:288 98:769 99:38 100:3
101:127 103:575 106:11 107:119 108:100 109:1421
110:678 111:830 112:433 113:508 114:590 115:700
116:863 117:717 118:894 119:1234 120:359 121:676
122:1615 123:1030 124:1330 125:1341 128:528 129:189
130:186 131:588 132:163 133:21 134:226 135:54
136:206 137:151 138:285 139:126 140:492 141:256
142:381 143:393 144:501 145:67 146:475 147:221
148:630 149:269 150:165 151:192 152:445 153:169
154:7 155:381 156:210 157:365 158:154 159:504
160:353 161:221 162:333 163:187 164:522 165:390
166:546 167:455 168:816 169:146 170:830 171:96
172:4 173:1811 174:590 175:410 176:321 177:428
178:1149 180:1209 181:39 182:679 183:264 184:418
185:1 186:1442 187:786 188:1007 189:1173 190:5333
192:5983 193:5446 194:3789 195:3182 196:1288 197:174
198:3616 199:4238 200:5573 201:1686 202:8494 203:8487
204:4344 205:2417 206:2680 207:2819 208:3995 209:3559
210:2745 211:1477 212:1959 213:1805 214:804 215:93
216:4915 217:1473 218:567 219:336 220:1259 221:529
222:323 223:265
End of report
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