Routing Table Report 08:00 +10GMT Tue 08 Feb, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 69441
Prefixes after maximum aggregation: 35845
Deaggregation factor: 1.94
Unique aggregates announced to Internet: 44881
Total ASes present in the Internet Routing Table: 11021
Prefixes per ASN: 6.30
Origin-only ASes present in the Internet Routing Table: 9130
Origin ASes announcing only one prefix: 5215
Transit ASes present in the Internet Routing Table: 1891
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN (43120) 18
Prefixes from unregistered ASNs in the Routing Table: 65
Unregistered ASNs in the Routing Table: 23
Number of 32-bit ASNs allocated by the RIRs: 1092
Prefixes from 32-bit ASNs in the Routing Table: 568
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 26
Number of addresses announced to Internet: 352598531
Equivalent to 21 /8s, 4 /16s and 58 /24s
Percentage of available address space announced: 9.5
Percentage of allocated address space announced: 9.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 88.2
Total number of prefixes smaller than registry allocations: 25352
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 22844
Total APNIC prefixes after maximum aggregation: 9253
APNIC Deaggregation factor: 2.47
Prefixes being announced from the APNIC address blocks: 22727
Unique aggregates announced from the APNIC address blocks: 12523
APNIC Region origin ASes present in the Internet Routing Table: 1812
APNIC Prefixes per ASN: 12.54
APNIC Region origin ASes announcing only one prefix: 588
APNIC Region transit ASes present in the Internet Routing Table: 328
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC addresses announced to Internet: 140768258
Equivalent to 8 /8s, 99 /16s and 244 /24s
Percentage of available APNIC address space announced: 17.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079
55296-56319, 131072-132095
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: 8145
Total ARIN prefixes after maximum aggregation: 4677
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7106
Unique aggregates announced from the ARIN address blocks: 4556
ARIN Region origin ASes present in the Internet Routing Table: 1227
ARIN Prefixes per ASN: 5.79
ARIN Region origin ASes announcing only one prefix: 560
ARIN Region transit ASes present in the Internet Routing Table: 190
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 19
Number of ARIN addresses announced to Internet: 29068545
Equivalent to 1 /8s, 187 /16s and 141 /24s
Percentage of available ARIN address space announced: 2.4
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, 47/8, 48/8, 50/8, 52/8, 54/8,
55/8, 56/8, 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: 35098
Total RIPE prefixes after maximum aggregation: 20003
RIPE Deaggregation factor: 1.75
Prefixes being announced from the RIPE address blocks: 33169
Unique aggregates announced from the RIPE address blocks: 23445
RIPE Region origin ASes present in the Internet Routing Table: 7610
RIPE Prefixes per ASN: 4.36
RIPE Region origin ASes announcing only one prefix: 3978
RIPE Region transit ASes present in the Internet Routing Table: 1270
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 25
Number of RIPE addresses announced to Internet: 109527040
Equivalent to 6 /8s, 135 /16s and 64 /24s
Percentage of available RIPE address space announced: 17.6
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: 295
Total LACNIC prefixes after maximum aggregation: 192
LACNIC Deaggregation factor: 1.54
Prefixes being announced from the LACNIC address blocks: 258
Unique aggregates announced from the LACNIC address blocks: 170
LACNIC Region origin ASes present in the Internet Routing Table: 48
LACNIC Prefixes per ASN: 5.38
LACNIC Region origin ASes announcing only one prefix: 20
LACNIC Region transit ASes present in the Internet Routing Table: 10
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC addresses announced to Internet: 1463296
Equivalent to 0 /8s, 22 /16s and 84 /24s
Percentage of available LACNIC address space announced: 1.0
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: 1989
Total AfriNIC prefixes after maximum aggregation: 989
AfriNIC Deaggregation factor: 2.01
Prefixes being announced from the AfriNIC address blocks: 1036
Unique aggregates announced from the AfriNIC address blocks: 693
AfriNIC Region origin ASes present in the Internet Routing Table: 178
AfriNIC Prefixes per ASN: 5.82
AfriNIC Region origin ASes announcing only one prefix: 69
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC addresses announced to Internet: 7547136
Equivalent to 0 /8s, 115 /16s and 41 /24s
Percentage of available AfriNIC address space announced: 11.2
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
18101 926 117 142 Reliance Infocom Ltd Internet
17676 648 10843 70 Softbank BB Corp.
4780 644 461 75 Digital United Inc.
9498 637 241 53 BHARTI Airtel Ltd.
9583 626 46 425 Sify Limited
17803 560 169 140 BSES TeleCom Limited
7545 491 281 46 TPG Internet Pty Ltd
9304 282 366 29 Hutchison Telecom (HK)
17451 230 15 11 BIZNET ISP
18049 218 23 15 TAIWAN Network Information Ce
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6517 334 50 256 Yipes Communications, Inc.
2711 320 122 31 Rock Hill Telephone Company
15105 269 32 12 Network Telephone Corporation
15003 214 38 90 TEGRIS Corporation
35908 202 112 13 VPLS Inc.
26640 185 12 92 Oso Grande Technologies, Inc.
25973 180 57 46 Mzima Networks, Inc.
33475 167 10 10 RockSolid Network, Inc.
18779 145 14 94 Guru.com
22646 139 14 30 Hargray Communications
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
9116 541 328 31 Goldenlines main autonomous s
9198 464 266 14 Kazakhtelecom Data Network Ad
8551 384 353 29 Bezeq International
30890 375 85 159 Evolva Telecom
31148 327 17 94 FreeNet ISP
29049 326 26 3 AzerSat LLC.
8708 240 486 215 Romania Data Systems S.A.
9050 228 378 180 RTD-ROMTELECOM Autonomous Sys
35002 214 50 99 HERTZA Computers
3303 201 434 179 Swisscom Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 51 194 25 Fundacao de Amparo a Pesquisa
28571 43 62 41 Universidade de Sao Paulo - U
13878 26 9 8 Diginet
1251 18 84 18 Fundacao de Amparo a Pesquisa
2715 18 113 14 Fundacao de Amparo a Pesquisa
2716 16 27 8 Fundacao de Amparo a Pesquisa
19611 16 1 1 SAV - Unisinos
27924 9 1 1 Three Sixty Communications
27822 8 5 8 Emerging Markets Communicatio
10715 7 18 3 RCT-SC - Rede Catarinense de
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 262 987 226 The Internet Solution
24863 233 145 32 LINKdotNET AS number
16637 141 422 84 MTN Network Solutions
29975 132 490 17 Vodacom
2018 76 277 64 Tertiary Education Network
24835 76 31 15 RAYA Telecom - Egypt
12258 74 16 30 Vodacom Internet Company
5713 66 165 53 Telkom SA Ltd
8452 56 10 38 TEDATA
8094 50 16 3 PUKNET
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
18101 926 117 142 Reliance Infocom Ltd Internet
17676 648 10843 70 Softbank BB Corp.
4780 644 461 75 Digital United Inc.
9498 637 241 53 BHARTI Airtel Ltd.
9583 626 46 425 Sify Limited
23456 568 125 363 32-bit ASN transition
17803 560 169 140 BSES TeleCom Limited
9116 541 328 31 Goldenlines main autonomous s
7545 491 281 46 TPG Internet Pty Ltd
9198 464 266 14 Kazakhtelecom Data Network Ad
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
9498 637 584 BHARTI Airtel Ltd.
17676 648 578 Softbank BB Corp.
4780 644 569 Digital United Inc.
9116 541 510 Goldenlines main autonomous s
9198 464 450 Kazakhtelecom Data Network Ad
7545 491 445 TPG Internet Pty Ltd
17803 560 420 BSES TeleCom Limited
8551 384 355 Bezeq International
29049 326 323 AzerSat LLC.
2711 320 289 Rock Hill Telephone Company
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
55636 UNALLOCATED 27.116.60.0/24 55554 True International G
55636 UNALLOCATED 27.116.61.0/24 45348 Regency Square, Comp
55636 UNALLOCATED 27.116.62.0/24 55554 True International G
55636 UNALLOCATED 27.116.63.0/24 55554 True International G
56326 UNALLOCATED 46.174.248.0/21 33871 Norilsk-Telecom Ltd.
38976 UNALLOCATED 62.192.224.0/19 20632 PETERSTAR Autonomous
38976 UNALLOCATED 62.192.230.0/24 20632 PETERSTAR Autonomous
38976 UNALLOCATED 62.192.231.0/24 20632 PETERSTAR Autonomous
38976 UNALLOCATED 62.192.232.0/24 20632 PETERSTAR Autonomous
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
66.206.47.0/24 17557 Pakistan Telecom
66.207.32.0/20 23011 >>UNKNOWN<<
121.54.161.0/24 38890 Internet Service Provider /ID
121.54.162.0/24 38890 Internet Service Provider /ID
190.102.32.0/20 30058 FDC Servers.net, LLC
202.58.113.0/24 19161 INNOCOM TELECOM
202.66.160.0/20 9584 Diyixian.com Limited
202.66.176.0/20 9584 Diyixian.com Limited
202.66.184.0/24 9584 Diyixian.com Limited
202.66.188.0/24 9584 Diyixian.com Limited
Complete listing at http://thyme.rand.apnic.net/london/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 /8:3 /9:2 /10:7 /11:5 /12:17
/13:34 /14:94 /15:156 /16:2090 /17:1087 /18:1901
/19:4099 /20:5176 /21:5368 /22:7131 /23:6871 /24:34941
/25:11 /26:17 /27:25 /28:157 /29:95 /30:44
/31:0 /32:110
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
23456 333 568 32-bit ASN transition
9198 329 464 Kazakhtelecom Data Network Ad
31148 327 327 FreeNet ISP
29049 322 326 AzerSat LLC.
6517 310 334 Yipes Communications, Inc.
30890 302 375 Evolva Telecom
15105 256 269 Network Telephone Corporation
15003 210 214 TEGRIS Corporation
9050 178 228 RTD-ROMTELECOM Autonomous Sys
35908 178 202 VPLS Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:37 2:32 4:2 8:17 12:12 13:1
14:32 20:2 24:13 27:218 38:50 41:334
44:1 46:267 49:47 58:218 59:100 60:114
61:333 62:300 63:38 64:326 65:101 66:286
67:172 68:122 69:263 70:77 71:3 72:176
74:148 75:4 76:60 77:433 78:216 79:201
80:468 81:416 82:201 83:208 84:210 85:626
86:270 87:450 88:155 89:976 90:54 91:1597
92:223 93:497 94:866 95:342 96:28 97:16
98:183 101:5 108:4 109:518 110:123 111:147
112:143 113:124 114:133 115:229 116:250 117:172
118:244 119:305 120:73 121:130 122:169 123:449
124:550 125:333 128:2 129:5 130:6 131:24
133:16 134:12 135:2 138:16 139:12 140:4
141:17 142:7 143:12 144:64 145:7 146:63
147:20 148:12 149:61 150:10 151:1 152:16
153:18 155:4 156:15 157:2 158:7 159:29
160:14 161:8 162:3 163:16 164:71 165:61
166:1 167:15 168:32 169:15 170:105 171:3
173:156 174:86 175:34 178:474 180:316 182:166
183:170 184:17 188:454 190:2 192:590 193:1658
194:1064 195:1131 196:510 198:217 199:275 200:82
201:3 202:2447 203:2323 204:264 205:69 206:259
207:348 208:271 209:252 210:581 211:178 212:656
213:574 216:483 217:587 218:81 219:28 220:531
221:111 222:20 223:22
End of report
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