* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 28 Feb, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 444567
Prefixes after maximum aggregation: 182689
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 217981
Total ASes present in the Internet Routing Table: 43419
Prefixes per ASN: 10.24
Origin-only ASes present in the Internet Routing Table: 34222
Origin ASes announcing only one prefix: 15964
Transit ASes present in the Internet Routing Table: 5772
Transit-only ASes present in the Internet Routing Table: 139
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: 381
Unregistered ASNs in the Routing Table: 143
Number of 32-bit ASNs allocated by the RIRs: 3787
Number of 32-bit ASNs visible in the Routing Table: 3425
Prefixes from 32-bit ASNs in the Routing Table: 9482
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2618327276
Equivalent to 156 /8s, 16 /16s and 128 /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: 157210
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106725
Total APNIC prefixes after maximum aggregation: 33079
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 107806
Unique aggregates announced from the APNIC address blocks: 43975
APNIC Region origin ASes present in the Internet Routing Table: 4817
APNIC Prefixes per ASN: 22.38
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 815
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: 441
Number of APNIC addresses announced to Internet: 718945248
Equivalent to 42 /8s, 218 /16s and 59 /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: 156166
Total ARIN prefixes after maximum aggregation: 78975
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156866
Unique aggregates announced from the ARIN address blocks: 71280
ARIN Region origin ASes present in the Internet Routing Table: 15476
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5852
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: 1076544640
Equivalent to 64 /8s, 42 /16s and 196 /24s
Percentage of available ARIN address space announced: 57.0
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: 114183
Total RIPE prefixes after maximum aggregation: 58981
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 117433
Unique aggregates announced from the RIPE address blocks: 75134
RIPE Region origin ASes present in the Internet Routing Table: 17091
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8155
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: 2212
Number of RIPE addresses announced to Internet: 653706084
Equivalent to 38 /8s, 246 /16s and 195 /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: 47260
Total LACNIC prefixes after maximum aggregation: 9182
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51051
Unique aggregates announced from the LACNIC address blocks: 23683
LACNIC Region origin ASes present in the Internet Routing Table: 1832
LACNIC Prefixes per ASN: 27.87
LACNIC Region origin ASes announcing only one prefix: 535
LACNIC Region transit ASes present in the Internet Routing Table: 346
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 747
Number of LACNIC addresses announced to Internet: 123502888
Equivalent to 7 /8s, 92 /16s and 129 /24s
Percentage of available LACNIC address space announced: 73.6
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: 10610
Total AfriNIC prefixes after maximum aggregation: 2415
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11218
Unique aggregates announced from the AfriNIC address blocks: 3735
AfriNIC Region origin ASes present in the Internet Routing Table: 603
AfriNIC Prefixes per ASN: 18.60
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 45268224
Equivalent to 2 /8s, 178 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 45.0
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 2931 11558 923 Korea Telecom (KIX)
17974 2500 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1828 301 89 TPG Internet Pty Ltd
4755 1696 382 190 TATA Communications formerly
9829 1425 1140 43 BSNL National Internet Backbo
9583 1210 90 500 Sify Limited
7552 1160 1070 12 Vietel Corporation
4808 1116 2057 321 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1047 385 161 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 3053 3695 96 bellsouth.net, inc.
7029 2160 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1986 2929 124 Cox Communications, Inc.
1785 1959 677 124 PaeTec Communications, Inc.
20115 1694 1610 619 Charter Communications
4323 1609 1140 398 Time Warner Telecom
30036 1339 287 682 Mediacom Communications Corp
7018 1306 10553 857 AT&T WorldNet Services
11492 1208 221 335 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 1909 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1065 232 205 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 831 783 68 Uni2 Autonomous System
31148 763 39 19 FreeNet ISP
20940 757 256 598 Akamai Technologies European
8551 715 369 43 Bezeq International
6830 713 2313 434 UPC Distribution Services
34744 675 186 28 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 2407 1330 84 NET Servicos de Comunicao S.A
10620 2325 399 226 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
6503 1389 435 68 AVANTEL, S.A.
8151 1374 2818 397 UniNet S.A. de C.V.
14754 939 127 75 Telgua S. A.
18881 794 716 18 Global Village Telecom
27947 782 86 99 Telconet S.A
3816 686 306 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 898 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 530 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 265 906 223 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 186 696 90 MTN Network Solutions
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 3053 3695 96 bellsouth.net, inc.
4766 2931 11558 923 Korea Telecom (KIX)
17974 2500 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2407 1330 84 NET Servicos de Comunicao S.A
10620 2325 399 226 TVCABLE BOGOTA
7029 2160 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1986 2929 124 Cox Communications, Inc.
1785 1959 677 124 PaeTec Communications, Inc.
8402 1909 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 2500 2414 PT TELEKOMUNIKASI INDONESIA
28573 2407 2323 NET Servicos de Comunicao S.A
10620 2325 2099 TVCABLE BOGOTA
4766 2931 2008 Korea Telecom (KIX)
7029 2160 1950 Windstream Communications Inc
18566 2080 1895 Covad Communications
8402 1909 1893 Corbina telecom
22773 1986 1862 Cox Communications, Inc.
1785 1959 1835 PaeTec Communications, Inc.
7545 1828 1739 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
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
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
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
41.222.80.0/21 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.
64.185.229.0/24 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 /12:247
/13:483 /14:867 /15:1563 /16:12598 /17:6612 /18:10929
/19:21714 /20:31276 /21:33452 /22:45972 /23:41288 /24:233128
/25:1378 /26:1761 /27:859 /28:183 /29:75 /30:14
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1754 3053 bellsouth.net, inc.
8402 1640 1909 Corbina telecom
7029 1556 2160 Windstream Communications Inc
22773 1302 1986 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1227 1339 Mediacom Communications Corp
11492 1170 1208 Cable One
1785 1039 1959 PaeTec Communications, Inc.
7011 957 1207 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:715 2:796 3:3 4:13 5:762 6:3
8:507 12:1931 13:3 14:746 15:11 16:3
17:8 20:24 23:241 24:1800 27:1469 31:1137
32:54 33:2 34:5 36:27 37:1299 38:857
39:2 40:153 41:2710 42:178 44:3 46:1773
47:1 49:611 50:661 52:12 54:28 55:9
57:28 58:1079 59:561 60:277 61:1340 62:1034
63:2031 64:4297 65:2170 66:4237 67:2044 68:1126
69:3261 70:860 71:526 72:1907 74:2547 75:412
76:290 77:1091 78:1034 79:572 80:1239 81:970
82:609 83:547 84:559 85:1161 86:478 87:938
88:373 89:1748 90:262 91:5428 92:611 93:1729
94:2076 95:1602 96:496 97:335 98:1034 99:40
100:30 101:294 103:2193 105:517 106:131 107:206
108:512 109:1798 110:845 111:1015 112:491 113:749
114:685 115:929 116:881 117:791 118:973 119:1268
120:374 121:706 122:1739 123:1190 124:1319 125:1312
128:534 129:200 130:316 131:640 132:322 133:143
134:255 135:62 136:221 137:235 138:341 139:167
140:216 141:318 142:521 143:375 144:483 145:88
146:531 147:345 148:704 149:351 150:151 151:405
152:401 153:191 154:28 155:372 156:242 157:391
158:263 159:712 160:335 161:421 162:367 163:206
164:575 165:447 166:426 167:574 168:1007 169:131
170:1025 171:165 172:4 173:1575 174:579 175:424
176:1141 177:1712 178:1742 179:1 180:1385 181:247
182:1191 183:328 184:643 185:261 186:2286 187:1303
188:1931 189:1535 190:6641 192:6364 193:5654 194:4512
195:3491 196:1310 197:923 198:4165 199:5238 200:6066
201:2222 202:8902 203:8753 204:4490 205:2557 206:2789
207:2783 208:4069 209:3529 210:2894 211:1560 212:1995
213:1928 214:901 215:92 216:5216 217:1583 218:603
219:326 220:1266 221:551 222:328 223:472
End of report
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