* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 04 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 448992
Prefixes after maximum aggregation: 183952
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 221422
Total ASes present in the Internet Routing Table: 43727
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34407
Origin ASes announcing only one prefix: 16055
Transit ASes present in the Internet Routing Table: 5792
Transit-only ASes present in the Internet Routing Table: 140
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: 369
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4674
Number of 32-bit ASNs visible in the Routing Table: 3528
Prefixes from 32-bit ASNs in the Routing Table: 10306
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2627353196
Equivalent to 156 /8s, 154 /16s and 58 /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: 158749
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107941
Total APNIC prefixes after maximum aggregation: 33284
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109131
Unique aggregates announced from the APNIC address blocks: 44385
APNIC Region origin ASes present in the Internet Routing Table: 4822
APNIC Prefixes per ASN: 22.63
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 816
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: 478
Number of APNIC addresses announced to Internet: 720329952
Equivalent to 42 /8s, 239 /16s and 92 /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: 157438
Total ARIN prefixes after maximum aggregation: 79443
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158143
Unique aggregates announced from the ARIN address blocks: 72304
ARIN Region origin ASes present in the Internet Routing Table: 15596
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5925
ARIN Region transit ASes present in the Internet Routing Table: 1614
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: 1079753344
Equivalent to 64 /8s, 91 /16s and 186 /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: 115517
Total RIPE prefixes after maximum aggregation: 59246
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 119220
Unique aggregates announced from the RIPE address blocks: 76723
RIPE Region origin ASes present in the Internet Routing Table: 17112
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2801
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: 2271
Number of RIPE addresses announced to Internet: 654952676
Equivalent to 39 /8s, 9 /16s and 200 /24s
Percentage of available RIPE address space announced: 95.2
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: 47609
Total LACNIC prefixes after maximum aggregation: 9451
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 51623
Unique aggregates announced from the LACNIC address blocks: 24025
LACNIC Region origin ASes present in the Internet Routing Table: 1887
LACNIC Prefixes per ASN: 27.36
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 348
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: 754
Number of LACNIC addresses announced to Internet: 125754664
Equivalent to 7 /8s, 126 /16s and 221 /24s
Percentage of available LACNIC address space announced: 75.0
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: 10047
Total AfriNIC prefixes after maximum aggregation: 2480
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 10657
Unique aggregates announced from the AfriNIC address blocks: 3782
AfriNIC Region origin ASes present in the Internet Routing Table: 614
AfriNIC Prefixes per ASN: 17.36
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46168320
Equivalent to 2 /8s, 192 /16s and 121 /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 2951 11558 922 Korea Telecom (KIX)
17974 2512 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1862 302 94 TPG Internet Pty Ltd
4755 1731 392 198 TATA Communications formerly
9829 1501 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 1066 310 73 BHARTI Airtel Ltd.
24560 1058 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 2181 1266 213 Windstream Communications Inc
18566 2069 382 184 Covad Communications
22773 2007 2929 125 Cox Communications, Inc.
1785 1975 678 125 PaeTec Communications, Inc.
20115 1671 1611 613 Charter Communications
4323 1607 1139 397 Time Warner Telecom
30036 1328 293 665 Mediacom Communications Corp
7018 1309 10805 851 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 1871 544 16 Corbina telecom
34984 1130 234 207 BILISIM TELEKOM
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 817 286 649 Akamai Technologies European
31148 786 41 19 FreeNet ISP
8551 744 370 43 Bezeq International
6830 725 2314 436 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 2519 1384 97 NET Servicos de Comunicao S.A
10620 2354 406 238 TVCABLE BOGOTA
7303 1672 1152 210 Telecom Argentina Stet-France
8151 1353 2666 404 UniNet S.A. de C.V.
6503 1186 435 68 AVANTEL, S.A.
14754 949 131 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 692 306 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 672 274 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 181 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 2951 11558 922 Korea Telecom (KIX)
28573 2519 1384 97 NET Servicos de Comunicao S.A
17974 2512 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2354 406 238 TVCABLE BOGOTA
7029 2181 1266 213 Windstream Communications Inc
18566 2069 382 184 Covad Communications
22773 2007 2929 125 Cox Communications, Inc.
1785 1975 678 125 PaeTec Communications, Inc.
8402 1871 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 2512 2426 PT TELEKOMUNIKASI INDONESIA
28573 2519 2422 NET Servicos de Comunicao S.A
10620 2354 2116 TVCABLE BOGOTA
4766 2951 2029 Korea Telecom (KIX)
7029 2181 1968 Windstream Communications Inc
18566 2069 1885 Covad Communications
22773 2007 1882 Cox Communications, Inc.
8402 1871 1855 Corbina telecom
1785 1975 1850 PaeTec Communications, Inc.
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
128.0.58.0/23 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
128.0.128.0/20 29285 AMT closed joint-stock compan
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 /12:248
/13:485 /14:875 /15:1556 /16:12672 /17:6614 /18:10905
/19:21793 /20:31891 /21:33669 /22:46335 /23:41665 /24:235824
/25:1393 /26:1778 /27:861 /28:179 /29:65 /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 2181 Windstream Communications Inc
8402 1567 1871 Corbina telecom
22773 1313 2007 Cox Communications, Inc.
30036 1208 1328 Mediacom Communications Corp
11492 1178 1216 Cable One
36998 1131 1137 MOBITEL
1785 1045 1975 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)
----------------------------------------------
1:736 2:795 3:3 4:13 5:837 6:5
8:518 12:1920 13:3 14:771 15:11 16:3
17:8 20:19 23:252 24:1801 27:1437 31:1189
32:44 33:2 34:5 36:43 37:1702 38:863
39:2 40:164 41:2702 42:185 44:6 46:1773
47:2 49:616 50:674 52:12 54:29 55:7
57:27 58:1103 59:586 60:304 61:1446 62:980
63:2040 64:4285 65:2182 66:4287 67:2059 68:1117
69:3277 70:875 71:526 72:1896 74:2552 75:403
76:287 77:1097 78:1025 79:583 80:1257 81:976
82:607 83:581 84:561 85:1157 86:467 87:953
88:522 89:1796 90:281 91:5447 92:617 93:1697
94:1860 95:1552 96:498 97:340 98:1051 99:41
100:29 101:310 103:2359 105:488 106:133 107:207
108:514 109:1806 110:877 111:1044 112:501 113:767
114:688 115:1015 116:876 117:796 118:1006 119:1268
120:382 121:816 122:1738 123:1191 124:1329 125:1318
128:635 129:224 130:331 131:651 132:329 133:145
134:258 135:62 136:221 137:242 138:343 139:184
140:199 141:313 142:543 143:366 144:483 145:90
146:525 147:381 148:699 149:360 150:168 151:555
152:415 153:194 154:39 155:384 156:260 157:391
158:271 159:711 160:334 161:424 162:371 163:201
164:576 165:452 166:358 167:576 168:1019 169:133
170:1016 171:174 172:4 173:1581 174:580 175:439
176:1138 177:1865 178:2018 179:2 180:1381 181:300
182:1119 183:378 184:662 185:330 186:2386 187:1259
188:1947 189:1402 190:6628 192:6470 193:5664 194:4519
195:3526 196:1323 197:776 198:4292 199:5257 200:6040
201:2374 202:8856 203:8798 204:4496 205:2545 206:2791
207:2831 208:4063 209:3544 210:2924 211:1568 212:2003
213:1948 214:934 215:94 216:5192 217:1577 218:607
219:346 220:1271 221:544 222:319 223:499
End of report
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