* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 12 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450308
Prefixes after maximum aggregation: 184301
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221861
Total ASes present in the Internet Routing Table: 43802
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34445
Origin ASes announcing only one prefix: 16058
Transit ASes present in the Internet Routing Table: 5791
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 376
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 4713
Number of 32-bit ASNs visible in the Routing Table: 3566
Prefixes from 32-bit ASNs in the Routing Table: 10124
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 215
Number of addresses announced to Internet: 2612695884
Equivalent to 155 /8s, 186 /16s and 147 /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: 94.4
Total number of prefixes smaller than registry allocations: 159086
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108054
Total APNIC prefixes after maximum aggregation: 33358
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109277
Unique aggregates announced from the APNIC address blocks: 44368
APNIC Region origin ASes present in the Internet Routing Table: 4818
APNIC Prefixes per ASN: 22.68
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 494
Number of APNIC addresses announced to Internet: 720742336
Equivalent to 42 /8s, 245 /16s and 167 /24s
Percentage of available APNIC address space announced: 84.2
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: 157793
Total ARIN prefixes after maximum aggregation: 79656
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158485
Unique aggregates announced from the ARIN address blocks: 72472
ARIN Region origin ASes present in the Internet Routing Table: 15625
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5944
ARIN Region transit ASes present in the Internet Routing Table: 1613
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: 1062447232
Equivalent to 63 /8s, 83 /16s and 168 /24s
Percentage of available ARIN address space announced: 56.2
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: 116416
Total RIPE prefixes after maximum aggregation: 59370
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 119921
Unique aggregates announced from the RIPE address blocks: 76866
RIPE Region origin ASes present in the Internet Routing Table: 17121
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2798
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2292
Number of RIPE addresses announced to Internet: 656316644
Equivalent to 39 /8s, 30 /16s and 152 /24s
Percentage of available RIPE address space announced: 95.4
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: 47716
Total LACNIC prefixes after maximum aggregation: 9386
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51736
Unique aggregates announced from the LACNIC address blocks: 24092
LACNIC Region origin ASes present in the Internet Routing Table: 1888
LACNIC Prefixes per ASN: 27.40
LACNIC Region origin ASes announcing only one prefix: 556
LACNIC Region transit ASes present in the Internet Routing Table: 350
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 755
Number of LACNIC addresses announced to Internet: 126521896
Equivalent to 7 /8s, 138 /16s and 146 /24s
Percentage of available LACNIC address space announced: 75.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10064
Total AfriNIC prefixes after maximum aggregation: 2483
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 10674
Unique aggregates announced from the AfriNIC address blocks: 3863
AfriNIC Region origin ASes present in the Internet Routing Table: 615
AfriNIC Prefixes per ASN: 17.36
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.8
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: 46226944
Equivalent to 2 /8s, 193 /16s and 94 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2957 11558 924 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1885 320 110 TPG Internet Pty Ltd
4755 1734 392 198 TATA Communications formerly
9829 1510 1205 40 BSNL National Internet Backbo
9583 1283 98 538 Sify Limited
7552 1148 1065 13 Vietel Corporation
4808 1121 2109 325 CNCGROUP IP network: China169
9498 1069 310 73 BHARTI Airtel Ltd.
24560 1066 385 163 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 3037 3694 87 bellsouth.net, inc.
7029 2173 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2012 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1611 611 Charter Communications
4323 1607 1139 397 Time Warner Telecom
30036 1340 296 658 Mediacom Communications Corp
7018 1317 10808 857 AT&T WorldNet Services
11492 1216 223 331 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 1862 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1145 234 207 BILISIM TELEKOM
12479 845 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 818 286 650 Akamai Technologies European
31148 793 41 21 FreeNet ISP
6830 751 2318 441 UPC Distribution Services
8551 734 368 56 Bezeq International
58113 666 74 386 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 2598 1433 98 NET Servicos de Comunicao S.A
10620 2361 409 223 TVCABLE BOGOTA
7303 1674 1153 211 Telecom Argentina Stet-France
8151 1229 2686 399 UniNet S.A. de C.V.
6503 1151 435 68 AVANTEL, S.A.
14754 1139 153 37 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 809 88 97 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 695 306 85 Empresa Nacional de Telecomun
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 1137 80 4 MOBITEL
24863 691 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 353 956 9 TEDATA
24835 277 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 184 696 90 MTN Network Solutions
33776 163 11 15 Starcomms Nigeria Limited
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 3037 3694 87 bellsouth.net, inc.
4766 2957 11558 924 Korea Telecom (KIX)
28573 2598 1433 98 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2361 409 223 TVCABLE BOGOTA
7029 2173 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2012 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1885 320 110 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 2598 2500 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2361 2138 TVCABLE BOGOTA
4766 2957 2033 Korea Telecom (KIX)
7029 2173 1961 Windstream Communications Inc
22773 2012 1887 Cox Communications, Inc.
18566 2068 1884 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1862 1846 Corbina telecom
7545 1885 1775 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
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
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
62.61.220.0/24 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.
64.185.230.0/24 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 /8:16 /9:13 /10:29 /11:88 /12:248
/13:485 /14:884 /15:1561 /16:12687 /17:6616 /18:10916
/19:21819 /20:31890 /21:33753 /22:46711 /23:41779 /24:236641
/25:1389 /26:1772 /27:861 /28:46 /29:67 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3037 bellsouth.net, inc.
7029 1612 2173 Windstream Communications Inc
8402 1560 1862 Corbina telecom
22773 1317 2012 Cox Communications, Inc.
30036 1217 1340 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1008 1136 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:767 2:792 3:3 4:15 5:850 6:4
8:522 12:1917 13:3 14:770 15:11 16:3
17:9 20:19 23:255 24:1774 27:1452 31:1199
32:42 33:2 34:5 36:43 37:1691 38:861
39:2 40:169 41:2627 42:185 44:6 46:1781
47:2 49:625 50:680 52:12 54:30 55:9
57:27 58:1104 59:587 60:304 61:1449 62:995
63:2033 64:4280 65:2183 66:4289 67:2065 68:1119
69:3251 70:875 71:529 72:1920 74:2564 75:411
76:291 77:1096 78:1047 79:588 80:1234 81:975
82:619 83:579 84:568 85:1163 86:467 87:962
88:526 89:1798 90:281 91:5484 92:615 93:1724
94:1871 95:1569 96:519 97:339 98:1052 99:41
100:29 101:308 103:2401 105:488 106:135 107:207
108:515 109:1811 110:855 111:1047 112:500 113:782
114:691 115:1013 116:878 117:781 118:1015 119:1263
120:389 121:817 122:1730 123:1181 124:1333 125:1328
128:634 129:226 130:332 131:656 132:332 133:148
134:259 135:62 136:216 137:247 138:344 139:186
140:199 141:318 142:542 143:376 144:488 145:93
146:510 147:379 148:697 149:367 150:164 151:528
152:419 153:194 154:44 155:393 156:259 157:394
158:271 159:715 160:335 161:423 162:379 163:202
164:577 165:450 166:333 167:578 168:1025 169:133
170:1024 171:174 172:5 173:1613 174:580 175:445
176:1223 177:1863 178:1797 179:2 180:1377 181:376
182:1130 183:375 184:664 185:348 186:2439 187:1258
188:2000 189:1363 190:6623 192:6484 193:5827 194:4640
195:3646 196:1335 197:828 198:4323 199:5262 200:6034
201:2373 202:8856 203:8762 204:4511 205:2559 206:2801
207:2830 208:4066 209:3559 210:2931 211:1564 212:2014
213:1941 214:939 215:98 216:5205 217:1574 218:623
219:347 220:1271 221:547 222:314 223:444
End of report
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