* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 06 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 441977
Prefixes after maximum aggregation: 181995
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217045
Total ASes present in the Internet Routing Table: 43224
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34123
Origin ASes announcing only one prefix: 15939
Transit ASes present in the Internet Routing Table: 5753
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 382
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 3734
Number of 32-bit ASNs visible in the Routing Table: 3348
Prefixes from 32-bit ASNs in the Routing Table: 9147
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 195
Number of addresses announced to Internet: 2615127564
Equivalent to 155 /8s, 223 /16s and 174 /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: 155983
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106168
Total APNIC prefixes after maximum aggregation: 33113
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107224
Unique aggregates announced from the APNIC address blocks: 43855
APNIC Region origin ASes present in the Internet Routing Table: 4816
APNIC Prefixes per ASN: 22.26
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 808
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: 419
Number of APNIC addresses announced to Internet: 718483968
Equivalent to 42 /8s, 211 /16s and 50 /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: 155418
Total ARIN prefixes after maximum aggregation: 78709
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156070
Unique aggregates announced from the ARIN address blocks: 70857
ARIN Region origin ASes present in the Internet Routing Table: 15443
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5833
ARIN Region transit ASes present in the Internet Routing Table: 1590
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1075799680
Equivalent to 64 /8s, 31 /16s and 102 /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: 113849
Total RIPE prefixes after maximum aggregation: 58608
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116950
Unique aggregates announced from the RIPE address blocks: 74954
RIPE Region origin ASes present in the Internet Routing Table: 17050
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8164
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: 2164
Number of RIPE addresses announced to Internet: 653004132
Equivalent to 38 /8s, 236 /16s and 13 /24s
Percentage of available RIPE address space announced: 94.9
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: 46814
Total LACNIC prefixes after maximum aggregation: 9107
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 50510
Unique aggregates announced from the LACNIC address blocks: 23488
LACNIC Region origin ASes present in the Internet Routing Table: 1802
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 520
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: 740
Number of LACNIC addresses announced to Internet: 123158056
Equivalent to 7 /8s, 87 /16s and 62 /24s
Percentage of available LACNIC address space announced: 73.4
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: 10448
Total AfriNIC prefixes after maximum aggregation: 2406
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11028
Unique aggregates announced from the AfriNIC address blocks: 3717
AfriNIC Region origin ASes present in the Internet Routing Table: 595
AfriNIC Prefixes per ASN: 18.53
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 44325376
Equivalent to 2 /8s, 164 /16s and 90 /24s
Percentage of available AfriNIC address space announced: 44.0
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 2940 11557 923 Korea Telecom (KIX)
17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA
7545 1825 301 89 TPG Internet Pty Ltd
4755 1684 382 189 TATA Communications formerly
9829 1431 1148 44 BSNL National Internet Backbo
9583 1207 90 502 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1108 2040 315 CNCGROUP IP network: China169
9498 1053 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 3091 3698 114 bellsouth.net, inc.
7029 2274 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1964 2931 128 Cox Communications, Inc.
1785 1952 678 125 PaeTec Communications, Inc.
20115 1688 1608 625 Charter Communications
4323 1600 1155 395 Time Warner Telecom
30036 1340 287 697 Mediacom Communications Corp
7018 1300 10551 860 AT&T WorldNet Services
7011 1198 314 681 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 1899 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 998 231 205 BILISIM TELEKOM
13188 853 99 22 Educational Network
12479 838 780 66 Uni2 Autonomous System
31148 757 39 17 FreeNet ISP
20940 746 254 590 Akamai Technologies European
8551 714 367 39 Bezeq International
6830 713 2313 434 UPC Distribution Services
34744 669 186 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 2354 1325 86 NET Servicos de Comunicao S.A
10620 2309 395 223 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1530 2873 383 UniNet S.A. de C.V.
6503 1473 435 67 AVANTEL, S.A.
14754 912 114 73 Telgua S. A.
27947 774 86 95 Telconet S.A
18881 756 716 18 Global Village Telecom
3816 674 306 85 Empresa Nacional de Telecomun
11172 604 86 67 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
36998 1286 80 4 MOBITEL
24863 898 275 36 LINKdotNET AS number
8452 531 958 13 TEDATA
6713 499 602 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 190 696 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 3091 3698 114 bellsouth.net, inc.
4766 2940 11557 923 Korea Telecom (KIX)
17974 2482 824 84 PT TELEKOMUNIKASI INDONESIA
28573 2354 1325 86 NET Servicos de Comunicao S.A
10620 2309 395 223 TVCABLE BOGOTA
7029 2274 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1964 2931 128 Cox Communications, Inc.
1785 1952 678 125 PaeTec Communications, Inc.
8402 1899 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 2354 2268 NET Servicos de Comunicao S.A
10620 2309 2086 TVCABLE BOGOTA
7029 2274 2063 Windstream Communications Inc
4766 2940 2017 Korea Telecom (KIX)
18566 2081 1898 Covad Communications
8402 1899 1883 Corbina telecom
22773 1964 1836 Cox Communications, Inc.
1785 1952 1827 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
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
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 /14:865 /15:1551 /16:12563 /17:6600 /18:10977
/19:21757 /20:31163 /21:33366 /22:45219 /23:40900 /24:231884
/25:1361 /26:1741 /27:861 /28:183 /29:74 /30:16
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1768 3091 bellsouth.net, inc.
7029 1637 2274 Windstream Communications Inc
8402 1630 1899 Corbina telecom
22773 1291 1964 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1232 1340 Mediacom Communications Corp
11492 1158 1195 Cable One
1785 1032 1952 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)
----------------------------------------------
1:665 2:754 3:3 4:13 5:744 6:3
8:488 12:1933 13:3 14:723 15:11 16:3
17:8 20:24 23:237 24:1800 27:1482 31:1129
32:54 33:2 34:5 36:10 37:1293 38:846
39:2 40:139 41:2669 42:180 44:4 46:1735
47:1 49:547 50:645 52:12 54:28 55:7
57:28 58:1078 59:557 60:251 61:1316 62:1025
63:2030 64:4332 65:2142 66:4271 67:2016 68:1122
69:3213 70:859 71:535 72:1878 74:2534 75:420
76:291 77:1070 78:1031 79:552 80:1223 81:991
82:642 83:538 84:574 85:1149 86:480 87:981
88:373 89:1754 90:287 91:5380 92:624 93:1712
94:2028 95:1611 96:489 97:334 98:1052 99:52
100:30 101:304 103:2075 105:519 106:131 107:208
108:509 109:1750 110:848 111:1008 112:481 113:739
114:686 115:922 116:870 117:791 118:973 119:1274
120:384 121:700 122:1733 123:1193 124:1318 125:1306
128:544 129:200 130:313 131:649 132:320 133:143
134:260 135:62 136:219 137:234 138:341 139:155
140:216 141:315 142:512 143:366 144:475 145:89
146:526 147:329 148:727 149:341 150:162 151:351
152:400 153:190 154:25 155:365 156:241 157:396
158:258 159:711 160:334 161:423 162:373 163:202
164:580 165:450 166:457 167:572 168:1010 169:131
170:1012 171:164 172:4 173:1543 174:615 175:424
176:1110 177:1628 178:1730 180:1376 181:221 182:1150
183:323 184:629 185:206 186:2230 187:1484 188:1959
189:1542 190:6611 192:6303 193:5672 194:4642 195:3656
196:1295 197:835 198:4120 199:5204 200:6016 201:2185
202:8828 203:8751 204:4457 205:2547 206:2796 207:2796
208:4060 209:3518 210:2916 211:1567 212:2003 213:1886
214:885 215:93 216:5085 217:1576 218:591 219:327
220:1268 221:550 222:331 223:418
End of report
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