* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 11 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 444912
Prefixes after maximum aggregation: 183195
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218812
Total ASes present in the Internet Routing Table: 43533
Prefixes per ASN: 10.22
Origin-only ASes present in the Internet Routing Table: 34289
Origin ASes announcing only one prefix: 16001
Transit ASes present in the Internet Routing Table: 5787
Transit-only ASes present in the Internet Routing Table: 133
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 375
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4601
Number of 32-bit ASNs visible in the Routing Table: 3457
Prefixes from 32-bit ASNs in the Routing Table: 9603
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 185
Number of addresses announced to Internet: 2621870124
Equivalent to 156 /8s, 70 /16s and 144 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 157407
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106447
Total APNIC prefixes after maximum aggregation: 33177
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107573
Unique aggregates announced from the APNIC address blocks: 44081
APNIC Region origin ASes present in the Internet Routing Table: 4809
APNIC Prefixes per ASN: 22.37
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 453
Number of APNIC addresses announced to Internet: 719095840
Equivalent to 42 /8s, 220 /16s and 136 /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: 156532
Total ARIN prefixes after maximum aggregation: 79140
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157241
Unique aggregates announced from the ARIN address blocks: 71462
ARIN Region origin ASes present in the Internet Routing Table: 15541
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5892
ARIN Region transit ASes present in the Internet Routing Table: 1617
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: 1078191488
Equivalent to 64 /8s, 67 /16s and 229 /24s
Percentage of available ARIN address space announced: 57.0
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: 114222
Total RIPE prefixes after maximum aggregation: 59067
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117539
Unique aggregates announced from the RIPE address blocks: 75387
RIPE Region origin ASes present in the Internet Routing Table: 17097
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2788
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2229
Number of RIPE addresses announced to Internet: 654296420
Equivalent to 38 /8s, 255 /16s and 197 /24s
Percentage of available RIPE address space announced: 95.1
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: 47320
Total LACNIC prefixes after maximum aggregation: 9346
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 51137
Unique aggregates announced from the LACNIC address blocks: 23971
LACNIC Region origin ASes present in the Internet Routing Table: 1858
LACNIC Prefixes per ASN: 27.52
LACNIC Region origin ASes announcing only one prefix: 545
LACNIC Region transit ASes present in the Internet Routing Table: 343
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: 750
Number of LACNIC addresses announced to Internet: 124577320
Equivalent to 7 /8s, 108 /16s and 230 /24s
Percentage of available LACNIC address space announced: 74.3
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: 10651
Total AfriNIC prefixes after maximum aggregation: 2414
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 11237
Unique aggregates announced from the AfriNIC address blocks: 3743
AfriNIC Region origin ASes present in the Internet Routing Table: 608
AfriNIC Prefixes per ASN: 18.48
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.6
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: 45374208
Equivalent to 2 /8s, 180 /16s and 91 /24s
Percentage of available AfriNIC address space announced: 45.1
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 2929 11558 922 Korea Telecom (KIX)
17974 2503 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1829 301 89 TPG Internet Pty Ltd
4755 1696 390 188 TATA Communications formerly
9829 1451 1158 43 BSNL National Internet Backbo
9583 1282 98 534 Sify Limited
7552 1152 1070 12 Vietel Corporation
4808 1118 2058 322 CNCGROUP IP network: China169
9498 1067 310 75 BHARTI Airtel Ltd.
24560 1058 385 161 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 3049 3695 95 bellsouth.net, inc.
7029 2149 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
20115 1681 1612 621 Charter Communications
4323 1613 1139 401 Time Warner Telecom
30036 1346 292 682 Mediacom Communications Corp
7018 1305 10809 853 AT&T WorldNet Services
11492 1207 221 334 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 1900 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1087 232 205 BILISIM TELEKOM
13188 838 99 35 Educational Network
12479 835 784 69 Uni2 Autonomous System
20940 768 262 610 Akamai Technologies European
31148 767 40 18 FreeNet ISP
6830 713 2313 434 UPC Distribution Services
8551 711 370 43 Bezeq International
58113 655 72 390 LIR DATACENTER TELECOM 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 2421 1332 85 NET Servicos de Comunicao S.A
10620 2346 403 228 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
8151 1349 2723 398 UniNet S.A. de C.V.
6503 1259 435 68 AVANTEL, S.A.
14754 944 128 77 Telgua S. A.
18881 810 716 18 Global Village Telecom
27947 787 86 100 Telconet S.A
3816 688 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 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 894 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 516 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 190 698 88 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 3049 3695 95 bellsouth.net, inc.
4766 2929 11558 922 Korea Telecom (KIX)
17974 2503 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2421 1332 85 NET Servicos de Comunicao S.A
10620 2346 403 228 TVCABLE BOGOTA
7029 2149 1266 215 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1987 2929 124 Cox Communications, Inc.
1785 1958 677 123 PaeTec Communications, Inc.
8402 1900 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 2503 2417 PT TELEKOMUNIKASI INDONESIA
28573 2421 2336 NET Servicos de Comunicao S.A
10620 2346 2118 TVCABLE BOGOTA
4766 2929 2007 Korea Telecom (KIX)
7029 2149 1934 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1900 1884 Corbina telecom
22773 1987 1863 Cox Communications, Inc.
1785 1958 1835 PaeTec Communications, Inc.
7545 1829 1740 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
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
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
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
41.222.80.0/21 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.
64.185.229.0/24 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 /12:248
/13:482 /14:868 /15:1561 /16:12645 /17:6625 /18:10870
/19:21721 /20:31444 /21:33581 /22:46031 /23:41409 /24:233000
/25:1369 /26:1770 /27:859 /28:181 /29:70 /30:13
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1751 3049 bellsouth.net, inc.
8402 1624 1900 Corbina telecom
7029 1567 2149 Windstream Communications Inc
22773 1302 1987 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1230 1346 Mediacom Communications Corp
11492 1169 1207 Cable One
1785 1038 1958 PaeTec Communications, Inc.
7011 952 1200 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:683 2:791 3:3 4:13 5:695 6:3
8:505 12:1932 13:3 14:728 15:11 16:3
17:8 20:24 23:245 24:1800 27:1463 31:1150
32:54 33:2 34:5 36:27 37:1329 38:860
39:2 40:159 41:2721 42:177 44:4 46:1766
47:1 49:609 50:665 52:12 54:28 55:9
57:28 58:1083 59:567 60:292 61:1348 62:1032
63:2042 64:4295 65:2179 66:4237 67:2054 68:1107
69:3272 70:863 71:523 72:1900 74:2554 75:407
76:287 77:1085 78:1037 79:568 80:1233 81:968
82:639 83:556 84:556 85:1159 86:474 87:947
88:375 89:1764 90:262 91:5434 92:602 93:1738
94:1871 95:1640 96:497 97:336 98:1037 99:40
100:29 101:300 103:2244 105:517 106:131 107:207
108:515 109:1803 110:826 111:1019 112:493 113:749
114:683 115:918 116:860 117:789 118:1011 119:1240
120:370 121:701 122:1740 123:1189 124:1315 125:1315
128:539 129:219 130:322 131:642 132:322 133:143
134:253 135:62 136:222 137:240 138:342 139:168
140:197 141:312 142:530 143:374 144:485 145:88
146:519 147:351 148:702 149:356 150:156 151:437
152:403 153:196 154:31 155:377 156:249 157:392
158:266 159:714 160:333 161:426 162:375 163:204
164:579 165:454 166:393 167:573 168:1009 169:130
170:1022 171:167 172:4 173:1591 174:581 175:425
176:1174 177:1726 178:1751 179:1 180:1375 181:270
182:1194 183:335 184:659 185:280 186:2323 187:1296
188:1933 189:1434 190:6684 192:6392 193:5663 194:4510
195:3482 196:1306 197:898 198:4198 199:5252 200:6030
201:2224 202:8779 203:8714 204:4492 205:2548 206:2783
207:2774 208:4072 209:3539 210:2891 211:1558 212:2001
213:1965 214:907 215:97 216:5192 217:1574 218:592
219:319 220:1263 221:546 222:316 223:471
End of report
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