* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 07 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 441956
Prefixes after maximum aggregation: 181996
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217078
Total ASes present in the Internet Routing Table: 43230
Prefixes per ASN: 10.22
Origin-only ASes present in the Internet Routing Table: 34133
Origin ASes announcing only one prefix: 15936
Transit ASes present in the Internet Routing Table: 5748
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: 31
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: 3349
Prefixes from 32-bit ASNs in the Routing Table: 9173
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2615260428
Equivalent to 155 /8s, 225 /16s and 181 /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: 156074
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106200
Total APNIC prefixes after maximum aggregation: 33101
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107252
Unique aggregates announced from the APNIC address blocks: 43939
APNIC Region origin ASes present in the Internet Routing Table: 4817
APNIC Prefixes per ASN: 22.27
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 802
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: 420
Number of APNIC addresses announced to Internet: 718716672
Equivalent to 42 /8s, 214 /16s and 191 /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: 155468
Total ARIN prefixes after maximum aggregation: 78725
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 156109
Unique aggregates announced from the ARIN address blocks: 70888
ARIN Region origin ASes present in the Internet Routing Table: 15442
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5829
ARIN Region transit ASes present in the Internet Routing Table: 1595
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: 1075814272
Equivalent to 64 /8s, 31 /16s and 159 /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: 113871
Total RIPE prefixes after maximum aggregation: 58606
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 116968
Unique aggregates announced from the RIPE address blocks: 74833
RIPE Region origin ASes present in the Internet Routing Table: 17057
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8166
RIPE Region transit ASes present in the Internet Routing Table: 2788
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2163
Number of RIPE addresses announced to Internet: 652997732
Equivalent to 38 /8s, 235 /16s and 244 /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: 46670
Total LACNIC prefixes after maximum aggregation: 9100
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 50407
Unique aggregates announced from the LACNIC address blocks: 23525
LACNIC Region origin ASes present in the Internet Routing Table: 1798
LACNIC Prefixes per ASN: 28.04
LACNIC Region origin ASes announcing only one prefix: 519
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: 742
Number of LACNIC addresses announced to Internet: 123053864
Equivalent to 7 /8s, 85 /16s and 167 /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: 10441
Total AfriNIC prefixes after maximum aggregation: 2412
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11027
Unique aggregates announced from the AfriNIC address blocks: 3721
AfriNIC Region origin ASes present in the Internet Routing Table: 597
AfriNIC Prefixes per ASN: 18.47
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 6
Number of AfriNIC addresses announced to Internet: 44323584
Equivalent to 2 /8s, 164 /16s and 83 /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 2937 11557 923 Korea Telecom (KIX)
17974 2467 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 1208 90 500 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1108 2040 315 CNCGROUP IP network: China169
9498 1054 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 3080 3698 111 bellsouth.net, inc.
7029 2261 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 1301 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 1895 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 999 231 205 BILISIM TELEKOM
13188 853 99 22 Educational Network
12479 838 780 66 Uni2 Autonomous System
31148 757 39 17 FreeNet ISP
20940 747 255 590 Akamai Technologies European
8551 715 367 39 Bezeq International
6830 712 2313 433 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
10620 2309 395 223 TVCABLE BOGOTA
28573 2240 1325 86 NET Servicos de Comunicao S.A
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 914 114 75 Telgua S. A.
27947 773 86 96 Telconet S.A
18881 757 716 18 Global Village Telecom
3816 675 306 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 530 958 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 91 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 3080 3698 111 bellsouth.net, inc.
4766 2937 11557 923 Korea Telecom (KIX)
17974 2467 824 84 PT TELEKOMUNIKASI INDONESIA
10620 2309 395 223 TVCABLE BOGOTA
7029 2261 1265 211 Windstream Communications Inc
28573 2240 1325 86 NET Servicos de Comunicao S.A
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 2467 2383 PT TELEKOMUNIKASI INDONESIA
28573 2240 2154 NET Servicos de Comunicao S.A
10620 2309 2086 TVCABLE BOGOTA
7029 2261 2050 Windstream Communications Inc
4766 2937 2014 Korea Telecom (KIX)
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 /16:12567 /17:6596 /18:10956
/19:21709 /20:31160 /21:33331 /22:45200 /23:40881 /24:232003
/25:1363 /26:1744 /27:861 /28:184 /29:73 /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 1761 3080 bellsouth.net, inc.
7029 1637 2261 Windstream Communications Inc
8402 1627 1895 Corbina telecom
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)
----------------------------------------------
1:666 2:748 3:3 4:13 5:749 6:3
8:484 11:1 12:1931 13:3 14:721 15:11
16:3 17:8 20:24 23:237 24:1802 27:1479
31:1129 32:54 33:2 34:5 36:10 37:1290
38:847 39:2 40:140 41:2677 42:179 44:4
46:1736 47:1 49:547 50:645 52:12 54:28
55:6 57:28 58:1079 59:558 60:251 61:1316
62:1024 63:2023 64:4321 65:2154 66:4263 67:2019
68:1121 69:3230 70:858 71:534 72:1872 74:2536
75:420 76:291 77:1072 78:1033 79:554 80:1224
81:991 82:641 83:538 84:570 85:1149 86:477
87:980 88:372 89:1749 90:287 91:5372 92:624
93:1712 94:2027 95:1610 96:489 97:334 98:1051
99:52 100:30 101:307 103:2076 105:519 106:131
107:208 108:511 109:1749 110:850 111:1007 112:481
113:738 114:686 115:921 116:874 117:788 118:977
119:1276 120:375 121:697 122:1736 123:1191 124:1318
125:1303 128:544 129:200 130:313 131:650 132:324
133:143 134:260 135:62 136:219 137:236 138:342
139:155 140:216 141:315 142:512 143:367 144:475
145:88 146:525 147:343 148:727 149:341 150:163
151:348 152:400 153:190 154:25 155:366 156:241
157:389 158:259 159:710 160:334 161:423 162:372
163:203 164:580 165:448 166:439 167:573 168:1009
169:131 170:1012 171:164 172:4 173:1546 174:616
175:422 176:1117 177:1650 178:1729 180:1377 181:222
182:1150 183:319 184:631 185:209 186:2243 187:1499
188:1959 189:1547 190:6623 192:6314 193:5675 194:4643
195:3654 196:1290 197:835 198:4127 199:5196 200:6029
201:2180 202:8832 203:8764 204:4465 205:2544 206:2798
207:2806 208:4055 209:3515 210:2918 211:1567 212:2008
213:1885 214:907 215:93 216:5082 217:1575 218:599
219:328 220:1268 221:550 222:331 223:416
End of report
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