* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 05 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 448856
Prefixes after maximum aggregation: 183920
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221492
Total ASes present in the Internet Routing Table: 43736
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34412
Origin ASes announcing only one prefix: 16052
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 366
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 4683
Number of 32-bit ASNs visible in the Routing Table: 3528
Prefixes from 32-bit ASNs in the Routing Table: 10270
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 217
Number of addresses announced to Internet: 2628857964
Equivalent to 156 /8s, 177 /16s and 48 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 158629
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107983
Total APNIC prefixes after maximum aggregation: 33285
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109175
Unique aggregates announced from the APNIC address blocks: 44357
APNIC Region origin ASes present in the Internet Routing Table: 4822
APNIC Prefixes per ASN: 22.64
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 480
Number of APNIC addresses announced to Internet: 720379616
Equivalent to 42 /8s, 240 /16s and 30 /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: 157257
Total ARIN prefixes after maximum aggregation: 79392
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 157955
Unique aggregates announced from the ARIN address blocks: 72259
ARIN Region origin ASes present in the Internet Routing Table: 15596
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5928
ARIN Region transit ASes present in the Internet Routing Table: 1612
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: 1079685248
Equivalent to 64 /8s, 90 /16s and 176 /24s
Percentage of available ARIN address space announced: 57.1
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: 115609
Total RIPE prefixes after maximum aggregation: 59294
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119332
Unique aggregates announced from the RIPE address blocks: 76867
RIPE Region origin ASes present in the Internet Routing Table: 17120
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8146
RIPE Region transit ASes present in the Internet Routing Table: 2803
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: 2273
Number of RIPE addresses announced to Internet: 656140772
Equivalent to 39 /8s, 27 /16s and 233 /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: 47520
Total LACNIC prefixes after maximum aggregation: 9421
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 51484
Unique aggregates announced from the LACNIC address blocks: 24016
LACNIC Region origin ASes present in the Internet Routing Table: 1886
LACNIC Prefixes per ASN: 27.30
LACNIC Region origin ASes announcing only one prefix: 563
LACNIC Region transit ASes present in the Internet Routing Table: 349
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: 750
Number of LACNIC addresses announced to Internet: 126123304
Equivalent to 7 /8s, 132 /16s and 125 /24s
Percentage of available LACNIC address space announced: 75.2
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: 10086
Total AfriNIC prefixes after maximum aggregation: 2479
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 10693
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 613
AfriNIC Prefixes per ASN: 17.44
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.9
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: 46151424
Equivalent to 2 /8s, 192 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 45.8
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 2952 11558 922 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1862 302 94 TPG Internet Pty Ltd
4755 1732 392 198 TATA Communications formerly
9829 1502 1205 40 BSNL National Internet Backbo
9583 1280 97 530 Sify Limited
7552 1166 1066 12 Vietel Corporation
4808 1122 2109 326 CNCGROUP IP network: China169
9498 1065 310 73 BHARTI Airtel Ltd.
24560 1060 385 164 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 3038 3694 88 bellsouth.net, inc.
7029 2154 1266 213 Windstream Communications Inc
18566 2069 382 184 Covad Communications
22773 2007 2929 125 Cox Communications, Inc.
1785 1974 677 124 PaeTec Communications, Inc.
20115 1671 1611 613 Charter Communications
4323 1607 1139 397 Time Warner Telecom
30036 1336 295 660 Mediacom Communications Corp
7018 1310 10805 852 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 1854 544 16 Corbina telecom
34984 1130 234 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 843 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 819 286 650 Akamai Technologies European
31148 786 41 19 FreeNet ISP
8551 744 370 43 Bezeq International
6830 724 2314 435 UPC Distribution Services
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 2541 1418 94 NET Servicos de Comunicao S.A
10620 2354 407 227 TVCABLE BOGOTA
7303 1672 1152 209 Telecom Argentina Stet-France
8151 1225 2666 402 UniNet S.A. de C.V.
6503 1184 435 68 AVANTEL, S.A.
14754 950 131 88 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 802 87 94 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 693 306 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 671 274 33 LINKdotNET AS number
6713 541 617 25 Itissalat Al-MAGHRIB
8452 356 958 13 TEDATA
24835 275 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 188 698 88 MTN Network Solutions
33776 182 12 19 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 3038 3694 88 bellsouth.net, inc.
4766 2952 11558 922 Korea Telecom (KIX)
28573 2541 1418 94 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2354 407 227 TVCABLE BOGOTA
7029 2154 1266 213 Windstream Communications Inc
18566 2069 382 184 Covad Communications
22773 2007 2929 125 Cox Communications, Inc.
1785 1974 677 124 PaeTec Communications, Inc.
7545 1862 302 94 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 2541 2447 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2354 2127 TVCABLE BOGOTA
4766 2952 2030 Korea Telecom (KIX)
7029 2154 1941 Windstream Communications Inc
18566 2069 1885 Covad Communications
22773 2007 1882 Cox Communications, Inc.
1785 1974 1850 PaeTec Communications, Inc.
8402 1854 1838 Corbina telecom
7545 1862 1768 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 /8:17 /9:13 /10:29 /11:88 /12:249
/13:485 /14:875 /15:1556 /16:12681 /17:6615 /18:10897
/19:21775 /20:31901 /21:33646 /22:46461 /23:41683 /24:235702
/25:1398 /26:1779 /27:862 /28:44 /29:63 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2020 2069 Covad Communications
6389 1742 3038 bellsouth.net, inc.
7029 1597 2154 Windstream Communications Inc
8402 1553 1854 Corbina telecom
22773 1313 2007 Cox Communications, Inc.
30036 1213 1336 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1045 1974 PaeTec Communications, Inc.
7011 931 1176 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:750 2:792 3:3 4:13 5:837 6:5
8:518 12:1918 13:3 14:771 15:11 16:3
17:9 20:19 23:255 24:1777 27:1435 31:1189
32:42 33:2 34:5 36:43 37:1706 38:863
39:2 40:164 41:2714 42:185 44:6 46:1777
47:2 49:616 50:674 52:12 54:29 55:7
57:27 58:1106 59:587 60:304 61:1447 62:990
63:2038 64:4285 65:2182 66:4280 67:2060 68:1118
69:3254 70:875 71:526 72:1892 74:2554 75:405
76:287 77:1087 78:1030 79:583 80:1247 81:978
82:613 83:580 84:561 85:1156 86:467 87:952
88:525 89:1794 90:281 91:5450 92:616 93:1698
94:1869 95:1556 96:501 97:340 98:1048 99:41
100:29 101:309 103:2362 105:488 106:133 107:207
108:514 109:1805 110:879 111:1045 112:499 113:770
114:689 115:1016 116:877 117:795 118:1013 119:1269
120:381 121:813 122:1739 123:1191 124:1332 125:1317
128:635 129:224 130:322 131:656 132:307 133:145
134:258 135:62 136:221 137:245 138:343 139:184
140:200 141:314 142:544 143:365 144:481 145:89
146:522 147:352 148:697 149:365 150:163 151:555
152:415 153:194 154:43 155:384 156:260 157:391
158:270 159:711 160:334 161:424 162:376 163:202
164:577 165:452 166:331 167:576 168:1019 169:133
170:1016 171:174 172:4 173:1557 174:580 175:440
176:1140 177:1838 178:2021 179:2 180:1382 181:301
182:1121 183:379 184:662 185:330 186:2393 187:1263
188:1987 189:1406 190:6602 192:6476 193:5656 194:4521
195:3523 196:1326 197:777 198:4304 199:5273 200:6029
201:2375 202:8846 203:8795 204:4505 205:2547 206:2779
207:2813 208:4059 209:3538 210:2922 211:1567 212:2012
213:1946 214:935 215:94 216:5171 217:1572 218:607
219:348 220:1271 221:542 222:319 223:496
End of report
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