* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 18 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 442136
Prefixes after maximum aggregation: 182205
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217321
Total ASes present in the Internet Routing Table: 43304
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 34153
Origin ASes announcing only one prefix: 15924
Transit ASes present in the Internet Routing Table: 5764
Transit-only ASes present in the Internet Routing Table: 141
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: 387
Unregistered ASNs in the Routing Table: 141
Number of 32-bit ASNs allocated by the RIRs: 3759
Number of 32-bit ASNs visible in the Routing Table: 3387
Prefixes from 32-bit ASNs in the Routing Table: 9269
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2616404620
Equivalent to 155 /8s, 243 /16s and 42 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 156411
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105451
Total APNIC prefixes after maximum aggregation: 33074
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 106529
Unique aggregates announced from the APNIC address blocks: 43827
APNIC Region origin ASes present in the Internet Routing Table: 4811
APNIC Prefixes per ASN: 22.14
APNIC Region origin ASes announcing only one prefix: 1233
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: 430
Number of APNIC addresses announced to Internet: 718371968
Equivalent to 42 /8s, 209 /16s and 124 /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: 155563
Total ARIN prefixes after maximum aggregation: 78766
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156214
Unique aggregates announced from the ARIN address blocks: 71096
ARIN Region origin ASes present in the Internet Routing Table: 15465
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5842
ARIN Region transit ASes present in the Internet Routing Table: 1606
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: 1076237952
Equivalent to 64 /8s, 38 /16s and 22 /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: 114095
Total RIPE prefixes after maximum aggregation: 58758
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117254
Unique aggregates announced from the RIPE address blocks: 74955
RIPE Region origin ASes present in the Internet Routing Table: 17059
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2783
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: 2189
Number of RIPE addresses announced to Internet: 653483108
Equivalent to 38 /8s, 243 /16s and 92 /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: 47066
Total LACNIC prefixes after maximum aggregation: 9116
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 50775
Unique aggregates announced from the LACNIC address blocks: 23573
LACNIC Region origin ASes present in the Internet Routing Table: 1811
LACNIC Prefixes per ASN: 28.04
LACNIC Region origin ASes announcing only one prefix: 524
LACNIC Region transit ASes present in the Internet Routing Table: 344
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: 123112488
Equivalent to 7 /8s, 86 /16s and 140 /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: 10552
Total AfriNIC prefixes after maximum aggregation: 2436
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11176
Unique aggregates announced from the AfriNIC address blocks: 3701
AfriNIC Region origin ASes present in the Internet Routing Table: 597
AfriNIC Prefixes per ASN: 18.72
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 44847872
Equivalent to 2 /8s, 172 /16s and 83 /24s
Percentage of available AfriNIC address space announced: 44.6
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 2938 11558 924 Korea Telecom (KIX)
7545 1824 301 88 TPG Internet Pty Ltd
4755 1686 382 189 TATA Communications formerly
17974 1481 792 51 PT TELEKOMUNIKASI INDONESIA
9829 1425 1140 43 BSNL National Internet Backbo
9583 1206 89 501 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1108 2039 315 CNCGROUP IP network: China169
9498 1061 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 3064 3696 100 bellsouth.net, inc.
7029 2167 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1988 2931 128 Cox Communications, Inc.
1785 1955 677 125 PaeTec Communications, Inc.
20115 1693 1611 616 Charter Communications
4323 1603 1139 397 Time Warner Telecom
30036 1348 289 679 Mediacom Communications Corp
7018 1305 10552 858 AT&T WorldNet Services
11492 1197 217 334 Cable One
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 1890 544 16 Corbina telecom
2118 1115 97 13 EUnet/RELCOM Autonomous Syste
34984 1054 232 203 BILISIM TELEKOM
13188 835 99 22 Educational Network
12479 819 783 68 Uni2 Autonomous System
31148 758 39 18 FreeNet ISP
20940 749 255 592 Akamai Technologies European
6830 712 2313 433 UPC Distribution Services
8551 711 367 39 Bezeq International
34744 670 185 43 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 2387 1327 87 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1504 2833 390 UniNet S.A. de C.V.
6503 1444 435 67 AVANTEL, S.A.
14754 940 128 79 Telgua S. A.
27947 776 86 98 Telconet S.A
18881 771 716 18 Global Village Telecom
3816 687 306 87 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 545 958 13 TEDATA
6713 507 602 20 Itissalat Al-MAGHRIB
24835 342 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 3064 3696 100 bellsouth.net, inc.
4766 2938 11558 924 Korea Telecom (KIX)
28573 2387 1327 87 NET Servicos de Comunicao S.A
10620 2319 397 223 TVCABLE BOGOTA
7029 2167 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1988 2931 128 Cox Communications, Inc.
1785 1955 677 125 PaeTec Communications, Inc.
8402 1890 544 16 Corbina telecom
7545 1824 301 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2387 2300 NET Servicos de Comunicao S.A
10620 2319 2096 TVCABLE BOGOTA
4766 2938 2014 Korea Telecom (KIX)
7029 2167 1957 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1890 1874 Corbina telecom
22773 1988 1860 Cox Communications, Inc.
1785 1955 1830 PaeTec Communications, Inc.
7545 1824 1736 TPG Internet Pty Ltd
4755 1686 1497 TATA Communications formerly
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
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.
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 /12:247
/13:483 /14:864 /15:1556 /16:12563 /17:6597 /18:11003
/19:21730 /20:31129 /21:33154 /22:45282 /23:40823 /24:232263
/25:1391 /26:1751 /27:861 /28:180 /29:75 /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 1758 3064 bellsouth.net, inc.
8402 1616 1890 Corbina telecom
7029 1554 2167 Windstream Communications Inc
22773 1303 1988 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1239 1348 Mediacom Communications Corp
11492 1160 1197 Cable One
1785 1036 1955 PaeTec Communications, Inc.
6503 965 1444 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:671 2:779 3:3 4:13 5:749 6:3
8:499 12:1932 13:3 14:739 15:11 16:3
17:8 20:24 23:238 24:1799 27:1468 31:1129
32:54 33:2 34:5 36:8 37:1289 38:847
39:2 40:141 41:2724 42:179 44:4 46:1740
47:1 49:579 50:656 52:12 54:28 55:8
57:28 58:1078 59:560 60:251 61:1317 62:1027
63:2028 64:4309 65:2146 66:4261 67:2028 68:1124
69:3265 70:858 71:526 72:1875 74:2541 75:414
76:288 77:1085 78:1037 79:541 80:1212 81:970
82:626 83:538 84:556 85:1155 86:474 87:928
88:382 89:1744 90:278 91:5416 92:623 93:1695
94:2058 95:1594 96:506 97:336 98:1037 99:52
100:30 101:314 103:2135 105:519 106:131 107:206
108:511 109:1762 110:813 111:1015 112:491 113:737
114:685 115:918 116:877 117:798 118:976 119:1264
120:375 121:701 122:1729 123:1182 124:1320 125:1277
128:541 129:200 130:316 131:641 132:283 133:143
134:260 135:62 136:190 137:235 138:340 139:159
140:216 141:314 142:520 143:369 144:479 145:88
146:527 147:336 148:718 149:347 150:158 151:400
152:400 153:191 154:28 155:369 156:243 157:388
158:261 159:708 160:334 161:422 162:369 163:203
164:573 165:445 166:435 167:571 168:1007 169:131
170:1016 171:164 172:4 173:1548 174:580 175:419
176:1163 177:1668 178:1728 180:1301 181:233 182:1155
183:318 184:638 185:238 186:2240 187:1428 188:1923
189:1538 190:6679 192:6329 193:5654 194:4646 195:3677
196:1299 197:886 198:4143 199:5226 200:6018 201:2149
202:8899 203:8748 204:4482 205:2547 206:2800 207:2810
208:4060 209:3502 210:2905 211:1563 212:2007 213:1908
214:901 215:91 216:5108 217:1586 218:595 219:328
220:1262 221:550 222:329 223:471
End of report
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