Routing Table Report 04:00 +10GMT Wed 01 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 394765
Prefixes after maximum aggregation: 169156
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191767
Total ASes present in the Internet Routing Table: 39963
Prefixes per ASN: 9.88
Origin-only ASes present in the Internet Routing Table: 32670
Origin ASes announcing only one prefix: 15519
Transit ASes present in the Internet Routing Table: 5397
Transit-only ASes present in the Internet Routing Table: 142
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: 316
Unregistered ASNs in the Routing Table: 123
Number of 32-bit ASNs allocated by the RIRs: 2238
Number of 32-bit ASNs visible in the Routing Table: 1896
Prefixes from 32-bit ASNs in the Routing Table: 4588
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 113
Number of addresses announced to Internet: 2511851216
Equivalent to 149 /8s, 183 /16s and 206 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 167286
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97567
Total APNIC prefixes after maximum aggregation: 31531
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 93859
Unique aggregates announced from the APNIC address blocks: 39015
APNIC Region origin ASes present in the Internet Routing Table: 4648
APNIC Prefixes per ASN: 20.19
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 734
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: 139
Number of APNIC addresses announced to Internet: 635189088
Equivalent to 37 /8s, 220 /16s and 55 /24s
Percentage of available APNIC address space announced: 80.6
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: 148227
Total ARIN prefixes after maximum aggregation: 75231
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120218
Unique aggregates announced from the ARIN address blocks: 49290
ARIN Region origin ASes present in the Internet Routing Table: 14867
ARIN Prefixes per ASN: 8.09
ARIN Region origin ASes announcing only one prefix: 5678
ARIN Region transit ASes present in the Internet Routing Table: 1581
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 13
Number of ARIN addresses announced to Internet: 804409664
Equivalent to 47 /8s, 242 /16s and 81 /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: 97649
Total RIPE prefixes after maximum aggregation: 52202
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89572
Unique aggregates announced from the RIPE address blocks: 55948
RIPE Region origin ASes present in the Internet Routing Table: 16290
RIPE Prefixes per ASN: 5.50
RIPE Region origin ASes announcing only one prefix: 7999
RIPE Region transit ASes present in the Internet Routing Table: 2598
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: 1312
Number of RIPE addresses announced to Internet: 498611720
Equivalent to 29 /8s, 184 /16s and 54 /24s
Percentage of available RIPE address space announced: 80.3
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: 37562
Total LACNIC prefixes after maximum aggregation: 8037
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37161
Unique aggregates announced from the LACNIC address blocks: 19370
LACNIC Region origin ASes present in the Internet Routing Table: 1567
LACNIC Prefixes per ASN: 23.71
LACNIC Region origin ASes announcing only one prefix: 440
LACNIC Region transit ASes present in the Internet Routing Table: 290
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: 428
Number of LACNIC addresses announced to Internet: 95894664
Equivalent to 5 /8s, 183 /16s and 60 /24s
Percentage of available LACNIC address space announced: 63.5
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: 9009
Total AfriNIC prefixes after maximum aggregation: 2083
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 7020
Unique aggregates announced from the AfriNIC address blocks: 2148
AfriNIC Region origin ASes present in the Internet Routing Table: 511
AfriNIC Prefixes per ASN: 13.74
AfriNIC Region origin ASes announcing only one prefix: 162
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 4.6
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: 30914816
Equivalent to 1 /8s, 215 /16s and 185 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2478 11102 982 Korea Telecom (KIX)
17974 1718 503 35 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
4755 1527 385 154 TATA Communications formerly
7552 1420 1064 7 Vietel Corporation
9829 1167 989 28 BSNL National Internet Backbo
9583 1118 81 483 Sify Limited
4808 1102 2051 313 CNCGROUP IP network: China169
24560 1014 385 167 Bharti Airtel Ltd., Telemedia
18101 948 130 155 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 3445 3807 201 bellsouth.net, inc.
7029 3424 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 125 PaeTec Communications, Inc.
20115 1625 1552 626 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1525 2910 109 Cox Communications, Inc.
30036 1462 257 729 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1303 7008 849 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 1764 480 15 Corbina telecom
2118 1241 99 14 EUnet/RELCOM Autonomous Syste
15557 1096 2161 64 LDCOM NETWORKS
6830 642 1927 412 UPC Distribution Services
34984 641 188 172 BILISIM TELEKOM
20940 601 195 466 Akamai Technologies European
12479 549 641 56 Uni2 Autonomous System
3320 531 8162 397 Deutsche Telekom AG
8551 529 360 81 Bezeq International
31148 528 37 9 FreeNet ISP
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 1724 321 175 TVCABLE BOGOTA
28573 1637 1085 69 NET Servicos de Comunicao S.A
8151 1338 3003 343 UniNet S.A. de C.V.
7303 1258 756 180 Telecom Argentina Stet-France
11172 692 111 74 Servicios Alestra S.A de C.V
27947 650 73 99 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
3816 550 237 91 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A
6503 536 434 67 AVANTEL, S.A.
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 1238 958 13 TEDATA
24863 834 155 43 LINKdotNET AS number
6713 487 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 237 13 13 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 190 80 8 RAYA Telecom - Egypt
16637 163 664 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 3445 3807 201 bellsouth.net, inc.
7029 3424 1017 200 Windstream Communications Inc
4766 2478 11102 982 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 125 PaeTec Communications, Inc.
8402 1764 480 15 Corbina telecom
10620 1724 321 175 TVCABLE BOGOTA
17974 1718 503 35 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
28573 1637 1085 69 NET Servicos de Comunicao S.A
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 3424 3224 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1764 1749 Corbina telecom
1785 1865 1740 PaeTec Communications, Inc.
17974 1718 1683 PT TELEKOMUNIKASI INDONESIA
28573 1637 1568 NET Servicos de Comunicao S.A
7545 1642 1556 TPG Internet Pty Ltd
10620 1724 1549 TVCABLE BOGOTA
4766 2478 1496 Korea Telecom (KIX)
22773 1525 1416 Cox Communications, Inc.
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
37.75.0.0/21 34139 CJSC TSI Service
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 /11:80 /12:231
/13:458 /14:818 /15:1464 /16:12152 /17:6164 /18:10293
/19:20345 /20:28151 /21:29126 /22:39551 /23:36795 /24:205538
/25:1191 /26:1429 /27:787 /28:43 /29:59 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3052 3424 Windstream Communications Inc
6389 2115 3445 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1743 1764 Corbina telecom
10620 1619 1724 TVCABLE BOGOTA
30036 1421 1462 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1063 1865 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
8452 1041 1238 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:496 2:477 4:14 5:1 6:3 8:378
12:1955 13:1 14:594 15:11 16:3 17:6
20:9 23:121 24:1724 27:1187 31:822 32:65
33:2 34:2 36:8 37:123 38:792 40:114
41:3158 42:92 43:1 44:3 46:1268 47:3
49:319 50:518 52:13 54:2 55:6 56:3
57:38 58:955 59:491 60:345 61:1188 62:922
63:1994 64:4153 65:2290 66:4446 67:2050 68:1176
69:3159 70:928 71:431 72:1800 74:2656 75:467
76:321 77:978 78:919 79:500 80:1208 81:875
82:561 83:531 84:584 85:1159 86:742 87:911
88:341 89:1538 90:249 91:4476 92:535 93:1558
94:1331 95:1162 96:414 97:309 98:792 99:38
100:20 101:130 103:714 106:4 107:140 108:132
109:1464 110:685 111:838 112:426 113:527 114:596
115:757 116:865 117:722 118:883 119:1248 120:356
121:682 122:1627 123:1063 124:1339 125:1361 128:540
129:189 130:212 131:589 132:162 133:21 134:232
135:59 136:214 137:152 138:285 139:145 140:488
141:261 142:378 143:399 144:508 145:69 146:487
147:227 148:692 149:272 150:167 151:193 152:446
153:170 154:7 155:397 156:210 157:367 158:156
159:510 160:332 161:238 162:339 163:189 164:532
165:391 166:562 167:456 168:765 169:147 170:834
171:116 172:4 173:1786 174:575 175:414 176:387
177:469 178:1239 180:1174 181:45 182:701 183:276
184:443 185:1 186:1521 187:813 188:978 189:1173
190:5418 192:5977 193:5485 194:4216 195:3396 196:1288
197:179 198:3610 199:4352 200:5701 201:1722 202:8391
203:8602 204:4346 205:2441 206:2739 207:2814 208:4059
209:3575 210:2742 211:1480 212:1962 213:1835 214:856
215:92 216:4990 217:1464 218:556 219:342 220:1255
221:558 222:324 223:273
End of report
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