* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 12 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 442739
Prefixes after maximum aggregation: 182236
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217194
Total ASes present in the Internet Routing Table: 43274
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34141
Origin ASes announcing only one prefix: 15937
Transit ASes present in the Internet Routing Table: 5761
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 35412) 17
Prefixes from unregistered ASNs in the Routing Table: 380
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 3747
Number of 32-bit ASNs visible in the Routing Table: 3372
Prefixes from 32-bit ASNs in the Routing Table: 9229
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2615632652
Equivalent to 155 /8s, 231 /16s and 99 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 156419
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106351
Total APNIC prefixes after maximum aggregation: 33108
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107409
Unique aggregates announced from the APNIC address blocks: 44004
APNIC Region origin ASes present in the Internet Routing Table: 4813
APNIC Prefixes per ASN: 22.32
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 806
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 427
Number of APNIC addresses announced to Internet: 718689536
Equivalent to 42 /8s, 214 /16s and 85 /24s
Percentage of available APNIC address space announced: 84.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 155512
Total ARIN prefixes after maximum aggregation: 78758
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156200
Unique aggregates announced from the ARIN address blocks: 70785
ARIN Region origin ASes present in the Internet Routing Table: 15462
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5849
ARIN Region transit ASes present in the Internet Routing Table: 1601
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1075986048
Equivalent to 64 /8s, 34 /16s and 62 /24s
Percentage of available ARIN address space announced: 56.9
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 114061
Total RIPE prefixes after maximum aggregation: 58770
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117171
Unique aggregates announced from the RIPE address blocks: 74971
RIPE Region origin ASes present in the Internet Routing Table: 17058
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8155
RIPE Region transit ASes present in the Internet Routing Table: 2789
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2177
Number of RIPE addresses announced to Internet: 653434724
Equivalent to 38 /8s, 242 /16s and 159 /24s
Percentage of available RIPE address space announced: 95.0
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 46954
Total LACNIC prefixes after maximum aggregation: 9145
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 50653
Unique aggregates announced from the LACNIC address blocks: 23555
LACNIC Region origin ASes present in the Internet Routing Table: 1810
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 522
LACNIC Region transit ASes present in the Internet Routing Table: 338
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 743
Number of LACNIC addresses announced to Internet: 122993448
Equivalent to 7 /8s, 84 /16s and 187 /24s
Percentage of available LACNIC address space announced: 73.3
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10503
Total AfriNIC prefixes after maximum aggregation: 2403
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 11113
Unique aggregates announced from the AfriNIC address blocks: 3707
AfriNIC Region origin ASes present in the Internet Routing Table: 593
AfriNIC Prefixes per ASN: 18.74
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 133
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 44173568
Equivalent to 2 /8s, 162 /16s and 9 /24s
Percentage of available AfriNIC address space announced: 43.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2941 11558 924 Korea Telecom (KIX)
17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA
7545 1825 301 89 TPG Internet Pty Ltd
4755 1684 382 190 TATA Communications formerly
9829 1428 1144 44 BSNL National Internet Backbo
9583 1208 90 501 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1109 2040 316 CNCGROUP IP network: China169
9498 1058 310 75 BHARTI Airtel Ltd.
24560 1044 385 160 Bharti Airtel Ltd., Telemedia
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 3074 3698 108 bellsouth.net, inc.
7029 2276 1265 211 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1969 2931 128 Cox Communications, Inc.
1785 1953 678 125 PaeTec Communications, Inc.
20115 1689 1609 624 Charter Communications
4323 1600 1155 395 Time Warner Telecom
30036 1342 287 689 Mediacom Communications Corp
7018 1300 10552 856 AT&T WorldNet Services
7011 1199 316 682 Citizens Utilities
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 1930 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1054 232 205 BILISIM TELEKOM
13188 854 99 22 Educational Network
12479 840 782 68 Uni2 Autonomous System
31148 758 39 18 FreeNet ISP
20940 748 255 589 Akamai Technologies European
8551 717 367 39 Bezeq International
6830 712 2313 433 UPC Distribution Services
34744 685 186 47 SC GVM SISTEM 2003 SRL
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
28573 2360 1325 86 NET Servicos de Comunicao S.A
10620 2312 396 226 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1502 2812 394 UniNet S.A. de C.V.
6503 1473 435 67 AVANTEL, S.A.
14754 940 120 78 Telgua S. A.
27947 775 86 97 Telconet S.A
18881 758 716 18 Global Village Telecom
3816 652 305 102 Empresa Nacional de Telecomun
7738 613 1242 34 Telecomunicacoes da Bahia 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
36998 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 531 958 13 TEDATA
6713 500 602 20 Itissalat Al-MAGHRIB
24835 329 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 189 696 90 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 3074 3698 108 bellsouth.net, inc.
4766 2941 11558 924 Korea Telecom (KIX)
17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA
28573 2360 1325 86 NET Servicos de Comunicao S.A
10620 2312 396 226 TVCABLE BOGOTA
7029 2276 1265 211 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1969 2931 128 Cox Communications, Inc.
1785 1953 678 125 PaeTec Communications, Inc.
8402 1930 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2482 2398 PT TELEKOMUNIKASI INDONESIA
28573 2360 2274 NET Servicos de Comunicao S.A
10620 2312 2086 TVCABLE BOGOTA
7029 2276 2065 Windstream Communications Inc
4766 2941 2017 Korea Telecom (KIX)
8402 1930 1914 Corbina telecom
18566 2080 1895 Covad Communications
22773 1969 1841 Cox Communications, Inc.
1785 1953 1828 PaeTec Communications, Inc.
7545 1825 1736 TPG Internet Pty Ltd
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
30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
31.210.16.0/22 15657 Neural Networks ASN
41.138.95.0/24 36930 ZanZibar Telecom
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:29 /11:88 /12:246
/13:482 /14:866 /15:1553 /16:12556 /17:6593 /18:10991
/19:21741 /20:31201 /21:33278 /22:45331 /23:41038 /24:232443
/25:1374 /26:1745 /27:861 /28:182 /29:74 /30:16
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1759 3074 bellsouth.net, inc.
8402 1660 1930 Corbina telecom
7029 1648 2276 Windstream Communications Inc
22773 1292 1969 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1234 1342 Mediacom Communications Corp
11492 1159 1196 Cable One
1785 1033 1953 PaeTec Communications, Inc.
6503 983 1473 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:670 2:781 3:3 4:13 5:745 6:3
8:486 12:1934 13:3 14:738 15:11 16:3
17:8 20:24 23:239 24:1802 27:1474 31:1127
32:54 33:2 34:5 36:10 37:1299 38:847
39:2 40:141 41:2726 42:179 44:4 46:1739
47:1 49:580 50:652 52:12 54:28 55:8
57:28 58:1081 59:560 60:251 61:1316 62:1029
63:2023 64:4319 65:2145 66:4268 67:2022 68:1121
69:3252 70:858 71:531 72:1876 74:2533 75:421
76:290 77:1075 78:1038 79:556 80:1216 81:978
82:631 83:540 84:568 85:1150 86:476 87:980
88:375 89:1744 90:287 91:5401 92:620 93:1718
94:2044 95:1609 96:492 97:333 98:1048 99:52
100:30 101:313 103:2096 105:519 106:131 107:207
108:511 109:1772 110:857 111:1009 112:478 113:735
114:684 115:922 116:873 117:790 118:980 119:1270
120:375 121:699 122:1735 123:1186 124:1319 125:1309
128:548 129:201 130:316 131:643 132:320 133:143
134:259 135:62 136:222 137:236 138:341 139:155
140:216 141:315 142:518 143:395 144:478 145:88
146:527 147:344 148:722 149:343 150:157 151:402
152:399 153:190 154:27 155:368 156:241 157:388
158:259 159:697 160:330 161:422 162:361 163:203
164:579 165:447 166:439 167:573 168:1013 169:131
170:1016 171:164 172:4 173:1544 174:619 175:418
176:1142 177:1673 178:1737 180:1369 181:220 182:1150
183:317 184:632 185:222 186:2266 187:1453 188:1976
189:1540 190:6628 192:6323 193:5679 194:4638 195:3658
196:1297 197:873 198:4133 199:5207 200:6034 201:2186
202:8894 203:8776 204:4432 205:2539 206:2802 207:2812
208:4055 209:3520 210:2916 211:1568 212:1936 213:1892
214:901 215:93 216:5088 217:1578 218:592 219:336
220:1263 221:550 222:334 223:422
End of report
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