* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 14 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 442907
Prefixes after maximum aggregation: 182191
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217158
Total ASes present in the Internet Routing Table: 43290
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 34164
Origin ASes announcing only one prefix: 15931
Transit ASes present in the Internet Routing Table: 5749
Transit-only ASes present in the Internet Routing Table: 138
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: 377
Unregistered ASNs in the Routing Table: 137
Number of 32-bit ASNs allocated by the RIRs: 3750
Number of 32-bit ASNs visible in the Routing Table: 3377
Prefixes from 32-bit ASNs in the Routing Table: 9281
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2616064972
Equivalent to 155 /8s, 237 /16s and 251 /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: 156429
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106368
Total APNIC prefixes after maximum aggregation: 33105
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 107436
Unique aggregates announced from the APNIC address blocks: 44021
APNIC Region origin ASes present in the Internet Routing Table: 4812
APNIC Prefixes per ASN: 22.33
APNIC Region origin ASes announcing only one prefix: 1230
APNIC Region transit ASes present in the Internet Routing Table: 807
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: 426
Number of APNIC addresses announced to Internet: 718708224
Equivalent to 42 /8s, 214 /16s and 158 /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: 155525
Total ARIN prefixes after maximum aggregation: 78744
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156211
Unique aggregates announced from the ARIN address blocks: 70914
ARIN Region origin ASes present in the Internet Routing Table: 15468
ARIN Prefixes per ASN: 10.10
ARIN Region origin ASes announcing only one prefix: 5851
ARIN Region transit ASes present in the Internet Routing Table: 1598
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1075891328
Equivalent to 64 /8s, 32 /16s and 204 /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: 114215
Total RIPE prefixes after maximum aggregation: 58745
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117355
Unique aggregates announced from the RIPE address blocks: 74796
RIPE Region origin ASes present in the Internet Routing Table: 17058
RIPE Prefixes per ASN: 6.88
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2778
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: 2184
Number of RIPE addresses announced to Internet: 653393252
Equivalent to 38 /8s, 241 /16s and 253 /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: 46974
Total LACNIC prefixes after maximum aggregation: 9136
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 50694
Unique aggregates announced from the LACNIC address blocks: 23527
LACNIC Region origin ASes present in the Internet Routing Table: 1811
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 523
LACNIC Region transit ASes present in the Internet Routing Table: 337
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: 122978280
Equivalent to 7 /8s, 84 /16s and 127 /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: 10413
Total AfriNIC prefixes after maximum aggregation: 2409
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11023
Unique aggregates announced from the AfriNIC address blocks: 3731
AfriNIC Region origin ASes present in the Internet Routing Table: 596
AfriNIC Prefixes per ASN: 18.49
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 133
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: 44742656
Equivalent to 2 /8s, 170 /16s and 184 /24s
Percentage of available AfriNIC address space announced: 44.4
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 11558 924 Korea Telecom (KIX)
17974 2487 824 85 PT TELEKOMUNIKASI INDONESIA
7545 1824 301 88 TPG Internet Pty Ltd
4755 1684 382 190 TATA Communications formerly
9829 1429 1144 44 BSNL National Internet Backbo
9583 1204 90 499 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1109 2040 316 CNCGROUP IP network: China169
9498 1060 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 3072 3697 106 bellsouth.net, inc.
7029 2168 1265 211 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1985 2931 128 Cox Communications, Inc.
1785 1957 678 127 PaeTec Communications, Inc.
20115 1690 1610 622 Charter Communications
4323 1603 1155 397 Time Warner Telecom
30036 1343 287 686 Mediacom Communications Corp
7018 1302 10552 857 AT&T WorldNet Services
7011 1201 316 683 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 1917 544 16 Corbina telecom
2118 1114 97 13 EUnet/RELCOM Autonomous Syste
34984 1053 232 204 BILISIM TELEKOM
13188 851 99 22 Educational Network
12479 845 783 70 Uni2 Autonomous System
31148 758 39 18 FreeNet ISP
20940 749 255 591 Akamai Technologies European
6830 712 2313 433 UPC Distribution Services
8551 711 367 39 Bezeq International
34744 685 186 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 2360 1325 86 NET Servicos de Comunicao S.A
10620 2313 396 220 TVCABLE BOGOTA
7303 1679 1147 206 Telecom Argentina Stet-France
8151 1503 2814 395 UniNet S.A. de C.V.
6503 1473 435 67 AVANTEL, S.A.
14754 939 120 78 Telgua S. A.
27947 777 86 99 Telconet S.A
18881 760 716 18 Global Village Telecom
3816 684 306 85 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 538 958 13 TEDATA
6713 502 602 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
29975 191 667 21 Vodacom
16637 187 696 90 MTN Network Solutions
29571 171 16 18 Ci Telecom Autonomous system
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 3072 3697 106 bellsouth.net, inc.
4766 2940 11558 924 Korea Telecom (KIX)
17974 2487 824 85 PT TELEKOMUNIKASI INDONESIA
28573 2360 1325 86 NET Servicos de Comunicao S.A
10620 2313 396 220 TVCABLE BOGOTA
7029 2168 1265 211 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1985 2931 128 Cox Communications, Inc.
1785 1957 678 127 PaeTec Communications, Inc.
8402 1917 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 2487 2402 PT TELEKOMUNIKASI INDONESIA
28573 2360 2274 NET Servicos de Comunicao S.A
10620 2313 2093 TVCABLE BOGOTA
4766 2940 2016 Korea Telecom (KIX)
7029 2168 1957 Windstream Communications Inc
8402 1917 1901 Corbina telecom
18566 2080 1895 Covad Communications
22773 1985 1857 Cox Communications, Inc.
1785 1957 1830 PaeTec Communications, Inc.
7545 1824 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
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 /12:246
/13:483 /14:864 /15:1551 /16:12552 /17:6593 /18:10996
/19:21747 /20:31233 /21:33276 /22:45493 /23:41091 /24:232352
/25:1377 /26:1748 /27:862 /28:184 /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 1759 3072 bellsouth.net, inc.
8402 1644 1917 Corbina telecom
7029 1552 2168 Windstream Communications Inc
22773 1303 1985 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1234 1343 Mediacom Communications Corp
11492 1159 1196 Cable One
1785 1035 1957 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)
----------------------------------------------
1:670 2:788 3:3 4:13 5:756 6:3
8:495 12:1934 13:3 14:738 15:11 16:3
17:8 20:24 23:238 24:1799 27:1469 31:1129
32:54 33:2 34:5 36:11 37:1303 38:847
39:2 40:141 41:2631 42:179 44:4 46:1741
47:1 49:579 50:654 52:12 54:28 55:9
57:28 58:1079 59:561 60:251 61:1319 62:1030
63:2031 64:4324 65:2145 66:4274 67:2028 68:1121
69:3262 70:858 71:525 72:1875 74:2536 75:421
76:290 77:1075 78:1038 79:561 80:1217 81:972
82:637 83:545 84:559 85:1152 86:476 87:981
88:389 89:1751 90:287 91:5408 92:623 93:1697
94:2056 95:1602 96:506 97:335 98:1035 99:52
100:30 101:314 103:2114 105:519 106:131 107:207
108:511 109:1773 110:853 111:1014 112:486 113:737
114:684 115:921 116:877 117:794 118:984 119:1270
120:375 121:700 122:1735 123:1183 124:1312 125:1309
128:543 129:201 130:316 131:637 132:321 133:143
134:259 135:62 136:222 137:236 138:341 139:155
140:216 141:317 142:519 143:376 144:477 145:88
146:527 147:332 148:726 149:348 150:158 151:397
152:400 153:190 154:28 155:368 156:241 157:390
158:261 159:713 160:333 161:422 162:370 163:203
164:579 165:449 166:437 167:572 168:1013 169:131
170:921 171:164 172:4 173:1546 174:593 175:419
176:1161 177:1692 178:1740 180:1382 181:231 182:1152
183:317 184:633 185:234 186:2265 187:1449 188:1940
189:1539 190:6617 192:6319 193:5655 194:4637 195:3675
196:1291 197:864 198:4152 199:5218 200:6016 201:2141
202:8897 203:8750 204:4478 205:2539 206:2800 207:2810
208:4064 209:3503 210:2916 211:1567 212:1944 213:1896
214:905 215:93 216:5094 217:1588 218:592 219:336
220:1263 221:550 222:329 223:422
End of report
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