* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 05 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462443
Prefixes after maximum aggregation: 186966
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228545
Total ASes present in the Internet Routing Table: 44612
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 34916
Origin ASes announcing only one prefix: 16181
Transit ASes present in the Internet Routing Table: 5878
Transit-only ASes present in the Internet Routing Table: 160
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 4350
Unregistered ASNs in the Routing Table: 1454
Number of 32-bit ASNs allocated by the RIRs: 4923
Number of 32-bit ASNs visible in the Routing Table: 3818
Prefixes from 32-bit ASNs in the Routing Table: 11489
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 275
Number of addresses announced to Internet: 2631698988
Equivalent to 156 /8s, 220 /16s and 138 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 162351
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111338
Total APNIC prefixes after maximum aggregation: 33933
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113101
Unique aggregates announced from the APNIC address blocks: 46168
APNIC Region origin ASes present in the Internet Routing Table: 4862
APNIC Prefixes per ASN: 23.26
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 827
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 623
Number of APNIC addresses announced to Internet: 725659424
Equivalent to 43 /8s, 64 /16s and 175 /24s
Percentage of available APNIC address space announced: 84.8
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: 160006
Total ARIN prefixes after maximum aggregation: 80640
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160582
Unique aggregates announced from the ARIN address blocks: 74228
ARIN Region origin ASes present in the Internet Routing Table: 15788
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5990
ARIN Region transit ASes present in the Internet Routing Table: 1650
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: 19
Number of ARIN addresses announced to Internet: 1067859776
Equivalent to 63 /8s, 166 /16s and 63 /24s
Percentage of available ARIN address space announced: 56.5
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, 62464-63487, 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: 118233
Total RIPE prefixes after maximum aggregation: 60295
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122025
Unique aggregates announced from the RIPE address blocks: 78465
RIPE Region origin ASes present in the Internet Routing Table: 17321
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8209
RIPE Region transit ASes present in the Internet Routing Table: 2818
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2378
Number of RIPE addresses announced to Internet: 656816548
Equivalent to 39 /8s, 38 /16s and 57 /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: 49655
Total LACNIC prefixes after maximum aggregation: 9519
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 54230
Unique aggregates announced from the LACNIC address blocks: 25487
LACNIC Region origin ASes present in the Internet Routing Table: 1991
LACNIC Prefixes per ASN: 27.24
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 364
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 792
Number of LACNIC addresses announced to Internet: 134447656
Equivalent to 8 /8s, 3 /16s and 130 /24s
Percentage of available LACNIC address space announced: 80.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11635
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12230
Unique aggregates announced from the AfriNIC address blocks: 3942
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 18.96
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: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46587904
Equivalent to 2 /8s, 198 /16s and 224 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2932 11561 918 Korea Telecom (KIX)
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2036 320 111 TPG Internet Pty Ltd
4755 1777 393 197 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1223 92 504 Sify Limited
9498 1175 309 70 BHARTI Airtel Ltd.
4808 1159 2133 336 CNCGROUP IP network: China169
7552 1131 1080 13 Vietel Corporation
24560 1087 394 164 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 2981 3689 63 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
20115 1672 1624 623 Charter Communications
4323 1617 1105 406 Time Warner Telecom
701 1523 11104 800 UUNET Technologies, Inc.
30036 1357 307 651 Mediacom Communications Corp
7018 1318 11037 830 AT&T WorldNet Services
11492 1221 218 363 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 1636 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1155 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 945 331 734 Akamai Technologies European
6830 847 2371 430 UPC Distribution Services
13188 841 98 71 Educational Network
8551 781 370 45 Bezeq International
12479 678 796 52 Uni2 Autonomous System
58113 541 55 339 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 2982 1591 110 NET Servicos de Comunicao S.A
10620 2652 421 228 TVCABLE BOGOTA
7303 1729 1156 221 Telecom Argentina Stet-France
8151 1279 2760 396 UniNet S.A. de C.V.
18881 1272 844 20 Global Village Telecom
27947 836 94 90 Telconet S.A
6503 816 434 63 AVANTEL, S.A.
11830 749 364 15 Instituto Costarricense de El
3816 722 302 83 Empresa Nacional de Telecomun
7738 698 1370 35 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 1861 112 5 MOBITEL
24863 875 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 290 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 209 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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
28573 2982 1591 110 NET Servicos de Comunicao S.A
6389 2981 3689 63 bellsouth.net, inc.
4766 2932 11561 918 Korea Telecom (KIX)
10620 2652 421 228 TVCABLE BOGOTA
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2036 320 111 TPG Internet Pty Ltd
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
36998 1861 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2981 2918 bellsouth.net, inc.
17974 2651 2559 PT TELEKOMUNIKASI INDONESIA
10620 2652 2424 TVCABLE BOGOTA
4766 2932 2014 Korea Telecom (KIX)
7545 2036 1925 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2004 1880 PaeTec Communications, Inc.
22773 2001 1878 Cox Communications, Inc.
36998 1861 1856 MOBITEL
8402 1636 1620 Corbina telecom
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
30621 UNALLOCATED 12.151.74.0/23 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 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
62.182.96.0/23 15830 TELECITY London
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 /9:11 /10:30 /11:92 /12:249
/13:480 /14:905 /15:1602 /16:12738 /17:6649 /18:11098
/19:22575 /20:32188 /21:34670 /22:48707 /23:42658 /24:243848
/25:1290 /26:1643 /27:841 /28:43 /29:74 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1715 2981 bellsouth.net, inc.
8402 1335 1636 Corbina telecom
22773 1303 2001 Cox Communications, Inc.
30036 1218 1357 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1078 2004 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 987 2652 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:829 2:718 3:3 4:19 5:908 6:17
8:557 12:1924 13:2 14:870 15:11 16:3
17:10 18:19 20:17 23:296 24:1772 27:1529
31:1338 32:45 33:2 34:5 36:71 37:1846
38:890 39:2 40:175 41:3291 42:249 44:8
46:1959 47:2 49:662 50:839 52:12 54:37
55:6 57:26 58:1162 59:614 60:332 61:1499
62:1174 63:2006 64:4341 65:2151 66:4190 67:2023
68:1079 69:3286 70:800 71:490 72:1913 74:2512
75:324 76:304 77:1129 78:1052 79:609 80:1283
81:1013 82:633 83:582 84:578 85:1235 86:466
87:1017 88:533 89:1804 90:153 91:5523 92:624
93:1688 94:1938 95:1632 96:592 97:344 98:1028
99:44 100:29 101:592 103:3087 105:523 106:139
107:208 108:517 109:1857 110:949 111:1074 112:565
113:814 114:702 115:1098 116:957 117:804 118:1142
119:1290 120:362 121:851 122:1806 123:1246 124:1370
125:1395 128:637 129:218 130:310 131:667 132:361
133:160 134:269 135:72 136:259 137:245 138:342
139:189 140:201 141:320 142:532 143:398 144:533
145:92 146:527 147:423 148:662 149:351 150:154
151:585 152:412 153:190 154:29 155:421 156:275
157:401 158:276 159:744 160:349 161:455 162:522
163:223 164:581 165:513 166:254 167:597 168:1027
169:126 170:1067 171:188 172:23 173:1566 174:559
175:501 176:1168 177:2124 178:1890 179:72 180:1508
181:598 182:1290 183:419 184:670 185:704 186:2348
187:1390 188:1895 189:1303 190:6852 192:6822 193:5622
194:4713 195:3587 196:1336 197:999 198:4565 199:5382
200:5968 201:2446 202:8832 203:8889 204:4515 205:2594
206:2825 207:2895 208:4009 209:3602 210:2933 211:1531
212:2231 213:2020 214:907 215:99 216:5251 217:1639
218:617 219:331 220:1274 221:551 222:318 223:462
End of report
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