* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 30 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 453020
Prefixes after maximum aggregation: 184975
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223337
Total ASes present in the Internet Routing Table: 43975
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34556
Origin ASes announcing only one prefix: 16087
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 315
Unregistered ASNs in the Routing Table: 131
Number of 32-bit ASNs allocated by the RIRs: 4745
Number of 32-bit ASNs visible in the Routing Table: 3610
Prefixes from 32-bit ASNs in the Routing Table: 10210
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 192
Number of addresses announced to Internet: 2615854444
Equivalent to 155 /8s, 234 /16s and 197 /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: 94.4
Total number of prefixes smaller than registry allocations: 159922
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108572
Total APNIC prefixes after maximum aggregation: 33420
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109836
Unique aggregates announced from the APNIC address blocks: 44596
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1229
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 514
Number of APNIC addresses announced to Internet: 720949984
Equivalent to 42 /8s, 248 /16s and 210 /24s
Percentage of available APNIC address space announced: 84.3
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: 158922
Total ARIN prefixes after maximum aggregation: 79966
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159557
Unique aggregates announced from the ARIN address blocks: 72926
ARIN Region origin ASes present in the Internet Routing Table: 15665
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5961
ARIN Region transit ASes present in the Internet Routing Table: 1621
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: 1063135616
Equivalent to 63 /8s, 94 /16s and 41 /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: 116956
Total RIPE prefixes after maximum aggregation: 59609
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120514
Unique aggregates announced from the RIPE address blocks: 77405
RIPE Region origin ASes present in the Internet Routing Table: 17150
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2794
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: 2312
Number of RIPE addresses announced to Internet: 656940772
Equivalent to 39 /8s, 40 /16s and 30 /24s
Percentage of available RIPE address space announced: 95.5
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: 47516
Total LACNIC prefixes after maximum aggregation: 9422
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 51552
Unique aggregates announced from the LACNIC address blocks: 24382
LACNIC Region origin ASes present in the Internet Routing Table: 1917
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 354
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 760
Number of LACNIC addresses announced to Internet: 128091688
Equivalent to 7 /8s, 162 /16s and 134 /24s
Percentage of available LACNIC address space announced: 76.3
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: 10761
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 11369
Unique aggregates announced from the AfriNIC address blocks: 3851
AfriNIC Region origin ASes present in the Internet Routing Table: 621
AfriNIC Prefixes per ASN: 18.31
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46337024
Equivalent to 2 /8s, 195 /16s and 12 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2950 11558 922 Korea Telecom (KIX)
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 108 TPG Internet Pty Ltd
4755 1722 390 190 TATA Communications formerly
9829 1508 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1117 2109 327 CNCGROUP IP network: China169
9498 1094 310 73 BHARTI Airtel Ltd.
24560 1072 385 165 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 3033 3694 86 bellsouth.net, inc.
7029 2151 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1342 298 652 Mediacom Communications Corp
7018 1314 10804 850 AT&T WorldNet Services
11492 1240 228 330 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 1849 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1154 235 209 BILISIM TELEKOM
12479 840 785 66 Uni2 Autonomous System
13188 833 99 70 Educational Network
20940 824 286 655 Akamai Technologies European
31148 796 41 21 FreeNet ISP
6830 774 2376 445 UPC Distribution Services
8551 771 370 43 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 2697 1469 103 NET Servicos de Comunicao S.A
10620 2384 413 215 TVCABLE BOGOTA
7303 1684 1154 216 Telecom Argentina Stet-France
8151 1237 2694 394 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 908 780 19 Global Village Telecom
27947 815 88 94 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
7738 698 1370 35 Telecomunicacoes da Bahia S.A
3816 696 306 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 1286 80 4 MOBITEL
24863 888 274 34 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 463 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 223 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 178 527 21 Etisalat MISR
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 3033 3694 86 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2697 1469 103 NET Servicos de Comunicao S.A
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2384 413 215 TVCABLE BOGOTA
7029 2151 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications, Inc.
7545 1887 320 108 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 2697 2594 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2384 2169 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2151 1939 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1990 1866 PaeTec Communications, Inc.
22773 1969 1844 Cox Communications, Inc.
8402 1849 1833 Corbina telecom
7545 1887 1779 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
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
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 /12:250
/13:487 /14:886 /15:1569 /16:12687 /17:6637 /18:11121
/19:22086 /20:32009 /21:33974 /22:47161 /23:42002 /24:237873
/25:1365 /26:1762 /27:860 /28:43 /29:67 /30:18
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3033 bellsouth.net, inc.
7029 1610 2151 Windstream Communications Inc
8402 1555 1849 Corbina telecom
22773 1280 1969 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1216 1342 Mediacom Communications Corp
11492 1199 1240 Cable One
1785 1060 1990 PaeTec Communications, Inc.
6983 1007 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:779 2:811 3:3 4:15 5:876 6:5
8:549 12:1916 13:3 14:777 15:11 16:3
17:9 20:18 23:274 24:1763 27:1496 31:1263
32:43 33:2 34:5 36:44 37:1800 38:865
39:2 40:171 41:2799 42:186 44:6 46:1875
47:2 49:629 50:685 52:12 54:32 55:9
57:26 58:1140 59:567 60:307 61:1390 62:1058
63:2037 64:4318 65:2173 66:4320 67:2066 68:1118
69:3237 70:874 71:536 72:1954 74:2554 75:414
76:289 77:1112 78:1056 79:593 80:1265 81:989
82:624 83:571 84:525 85:1167 86:463 87:978
88:539 89:1801 90:280 91:5505 92:623 93:1722
94:1858 95:1547 96:522 97:343 98:1050 99:41
100:29 101:318 103:2513 105:520 106:144 107:209
108:518 109:1842 110:867 111:1048 112:500 113:786
114:700 115:938 116:893 117:798 118:1065 119:1267
120:402 121:721 122:1757 123:1234 124:1337 125:1336
128:627 129:222 130:324 131:652 132:334 133:149
134:259 135:66 136:223 137:250 138:346 139:196
140:206 141:323 142:549 143:381 144:489 145:92
146:508 147:390 148:694 149:370 150:161 151:537
152:419 153:195 154:43 155:398 156:265 157:394
158:276 159:724 160:337 161:426 162:411 163:212
164:591 165:449 166:311 167:580 168:1032 169:133
170:1026 171:176 172:5 173:1606 174:592 175:464
176:1278 177:1879 178:1833 179:5 180:1413 181:413
182:1147 183:385 184:671 185:392 186:2316 187:1322
188:2045 189:1380 190:6180 192:6567 193:5844 194:4654
195:3493 196:1340 197:955 198:4390 199:5284 200:5901
201:2400 202:8883 203:8807 204:4512 205:2558 206:2841
207:2857 208:4064 209:3612 210:2945 211:1555 212:2048
213:1910 214:911 215:98 216:5234 217:1573 218:619
219:330 220:1273 221:554 222:317 223:440
End of report
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