* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 08 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 442245
Prefixes after maximum aggregation: 181996
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217038
Total ASes present in the Internet Routing Table: 43243
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34135
Origin ASes announcing only one prefix: 15932
Transit ASes present in the Internet Routing Table: 5751
Transit-only ASes present in the Internet Routing Table: 139
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: 378
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 3735
Number of 32-bit ASNs visible in the Routing Table: 3357
Prefixes from 32-bit ASNs in the Routing Table: 9171
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2615335948
Equivalent to 155 /8s, 226 /16s and 220 /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: 156130
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106295
Total APNIC prefixes after maximum aggregation: 33112
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107338
Unique aggregates announced from the APNIC address blocks: 43935
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.27
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 804
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: 422
Number of APNIC addresses announced to Internet: 718715392
Equivalent to 42 /8s, 214 /16s and 186 /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: 155256
Total ARIN prefixes after maximum aggregation: 78692
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155927
Unique aggregates announced from the ARIN address blocks: 70769
ARIN Region origin ASes present in the Internet Routing Table: 15445
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5835
ARIN Region transit ASes present in the Internet Routing Table: 1592
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: 1075803264
Equivalent to 64 /8s, 31 /16s and 116 /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: 114014
Total RIPE prefixes after maximum aggregation: 58637
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117120
Unique aggregates announced from the RIPE address blocks: 74896
RIPE Region origin ASes present in the Internet Routing Table: 17056
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8161
RIPE Region transit ASes present in the Internet Routing Table: 2791
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: 2170
Number of RIPE addresses announced to Internet: 653072996
Equivalent to 38 /8s, 237 /16s and 26 /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: 46956
Total LACNIC prefixes after maximum aggregation: 9103
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 50652
Unique aggregates announced from the LACNIC address blocks: 23559
LACNIC Region origin ASes present in the Internet Routing Table: 1806
LACNIC Prefixes per ASN: 28.05
LACNIC Region origin ASes announcing only one prefix: 521
LACNIC Region transit ASes present in the Internet Routing Table: 336
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: 123129896
Equivalent to 7 /8s, 86 /16s and 208 /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: 10425
Total AfriNIC prefixes after maximum aggregation: 2400
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11015
Unique aggregates announced from the AfriNIC address blocks: 3707
AfriNIC Region origin ASes present in the Internet Routing Table: 591
AfriNIC Prefixes per ASN: 18.64
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 44243968
Equivalent to 2 /8s, 163 /16s and 28 /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 2942 11558 924 Korea Telecom (KIX)
17974 2481 824 84 PT TELEKOMUNIKASI INDONESIA
7545 1825 301 89 TPG Internet Pty Ltd
4755 1684 382 189 TATA Communications formerly
9829 1428 1145 45 BSNL National Internet Backbo
9583 1207 90 499 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1108 2040 315 CNCGROUP IP network: China169
9498 1057 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 3075 3697 107 bellsouth.net, inc.
7029 2155 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1965 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 1340 287 697 Mediacom Communications Corp
7018 1307 10552 861 AT&T WorldNet Services
7011 1199 315 682 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 1895 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1023 232 204 BILISIM TELEKOM
13188 854 99 22 Educational Network
12479 837 780 66 Uni2 Autonomous System
31148 757 39 17 FreeNet ISP
20940 747 255 590 Akamai Technologies European
8551 718 367 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 2356 1325 86 NET Servicos de Comunicao S.A
10620 2307 396 225 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1512 2834 384 UniNet S.A. de C.V.
6503 1473 435 67 AVANTEL, S.A.
14754 933 120 77 Telgua S. A.
27947 774 86 96 Telconet S.A
18881 757 716 18 Global Village Telecom
3816 678 306 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 540 958 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
16637 191 696 90 MTN Network Solutions
29975 191 667 21 Vodacom
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 3075 3697 107 bellsouth.net, inc.
4766 2942 11558 924 Korea Telecom (KIX)
17974 2481 824 84 PT TELEKOMUNIKASI INDONESIA
28573 2356 1325 86 NET Servicos de Comunicao S.A
10620 2307 396 225 TVCABLE BOGOTA
7029 2155 1265 211 Windstream Communications Inc
18566 2081 382 183 Covad Communications
22773 1965 2931 128 Cox Communications, Inc.
1785 1953 678 125 PaeTec Communications, Inc.
8402 1895 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 2481 2397 PT TELEKOMUNIKASI INDONESIA
28573 2356 2270 NET Servicos de Comunicao S.A
10620 2307 2082 TVCABLE BOGOTA
4766 2942 2018 Korea Telecom (KIX)
7029 2155 1944 Windstream Communications Inc
18566 2081 1898 Covad Communications
8402 1895 1879 Corbina telecom
22773 1965 1837 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
41.222.80.0/21 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.
64.185.228.0/24 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 /16:12570 /17:6600 /18:10990
/19:21725 /20:31187 /21:33271 /22:45343 /23:41014 /24:231979
/25:1375 /26:1747 /27:861 /28:182 /29:74 /30:15
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1760 3075 bellsouth.net, inc.
8402 1625 1895 Corbina telecom
7029 1541 2155 Windstream Communications Inc
22773 1292 1965 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1232 1340 Mediacom Communications Corp
11492 1158 1195 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)
----------------------------------------------
1:667 2:740 3:3 4:13 5:749 6:3
8:485 12:1931 13:3 14:737 15:11 16:3
17:8 20:24 23:237 24:1802 27:1477 31:1128
32:54 33:2 34:5 36:10 37:1290 38:847
39:2 40:141 41:2674 42:179 44:4 46:1735
47:1 49:547 50:645 52:12 54:28 55:7
57:28 58:1081 59:559 60:251 61:1316 62:1019
63:2021 64:4299 65:2153 66:4261 67:2022 68:1122
69:3222 70:858 71:525 72:1874 74:2538 75:420
76:291 77:1073 78:1032 79:556 80:1225 81:992
82:641 83:539 84:571 85:1151 86:477 87:980
88:375 89:1754 90:286 91:5376 92:625 93:1712
94:2021 95:1611 96:490 97:334 98:1037 99:52
100:30 101:312 103:2081 105:519 106:131 107:207
108:510 109:1762 110:852 111:1009 112:480 113:735
114:685 115:916 116:876 117:792 118:978 119:1275
120:375 121:699 122:1736 123:1191 124:1316 125:1309
128:546 129:200 130:313 131:649 132:299 133:143
134:260 135:62 136:219 137:235 138:342 139:154
140:215 141:315 142:512 143:368 144:476 145:88
146:530 147:345 148:727 149:341 150:162 151:371
152:397 153:190 154:25 155:366 156:241 157:392
158:259 159:709 160:334 161:423 162:367 163:202
164:580 165:447 166:437 167:573 168:1009 169:131
170:1012 171:164 172:4 173:1519 174:589 175:422
176:1128 177:1669 178:1724 180:1373 181:216 182:1148
183:317 184:631 185:216 186:2261 187:1477 188:1961
189:1545 190:6630 192:6317 193:5670 194:4642 195:3655
196:1293 197:829 198:4130 199:5188 200:6036 201:2189
202:8834 203:8770 204:4471 205:2541 206:2798 207:2805
208:4059 209:3512 210:2917 211:1567 212:2010 213:1888
214:904 215:93 216:5079 217:1575 218:592 219:328
220:1268 221:550 222:337 223:422
End of report
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