* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 16 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 463381
Prefixes after maximum aggregation: 187075
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 229198
Total ASes present in the Internet Routing Table: 44726
Prefixes per ASN: 10.36
Origin-only ASes present in the Internet Routing Table: 34979
Origin ASes announcing only one prefix: 16207
Transit ASes present in the Internet Routing Table: 5893
Transit-only ASes present in the Internet Routing Table: 158
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 4490
Unregistered ASNs in the Routing Table: 1566
Number of 32-bit ASNs allocated by the RIRs: 4950
Number of 32-bit ASNs visible in the Routing Table: 3854
Prefixes from 32-bit ASNs in the Routing Table: 11692
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 282
Number of addresses announced to Internet: 2635223980
Equivalent to 157 /8s, 18 /16s and 83 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.9
Total number of prefixes smaller than registry allocations: 162177
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110910
Total APNIC prefixes after maximum aggregation: 33566
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112711
Unique aggregates announced from the APNIC address blocks: 46207
APNIC Region origin ASes present in the Internet Routing Table: 4864
APNIC Prefixes per ASN: 23.17
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 822
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: 640
Number of APNIC addresses announced to Internet: 726116416
Equivalent to 43 /8s, 71 /16s and 168 /24s
Percentage of available APNIC address space announced: 84.9
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: 160363
Total ARIN prefixes after maximum aggregation: 80859
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160949
Unique aggregates announced from the ARIN address blocks: 74739
ARIN Region origin ASes present in the Internet Routing Table: 15821
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5991
ARIN Region transit ASes present in the Internet Routing Table: 1659
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: 1070372864
Equivalent to 63 /8s, 204 /16s and 152 /24s
Percentage of available ARIN address space announced: 56.6
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: 118485
Total RIPE prefixes after maximum aggregation: 60562
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122299
Unique aggregates announced from the RIPE address blocks: 78422
RIPE Region origin ASes present in the Internet Routing Table: 17361
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8229
RIPE Region transit ASes present in the Internet Routing Table: 2821
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: 2384
Number of RIPE addresses announced to Internet: 656742180
Equivalent to 39 /8s, 37 /16s and 23 /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: 50240
Total LACNIC prefixes after maximum aggregation: 9506
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 54938
Unique aggregates announced from the LACNIC address blocks: 25616
LACNIC Region origin ASes present in the Internet Routing Table: 1993
LACNIC Prefixes per ASN: 27.57
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 365
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: 805
Number of LACNIC addresses announced to Internet: 135141960
Equivalent to 8 /8s, 14 /16s and 26 /24s
Percentage of available LACNIC address space announced: 80.6
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: 11603
Total AfriNIC prefixes after maximum aggregation: 2542
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12202
Unique aggregates announced from the AfriNIC address blocks: 3953
AfriNIC Region origin ASes present in the Internet Routing Table: 648
AfriNIC Prefixes per ASN: 18.83
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46528512
Equivalent to 2 /8s, 197 /16s and 248 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2915 11561 918 Korea Telecom (KIX)
17974 2647 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2056 321 112 TPG Internet Pty Ltd
4755 1779 393 196 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1224 92 504 Sify Limited
9498 1175 309 70 BHARTI Airtel Ltd.
4808 1153 2127 332 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1088 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 2978 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2006 679 125 PaeTec Communications, Inc.
22773 2006 2927 123 Cox Communications, Inc.
20115 1675 1646 621 Charter Communications
4323 1618 1105 408 Time Warner Telecom
701 1520 11103 797 UUNET Technologies, Inc.
30036 1368 307 638 Mediacom Communications Corp
7018 1317 11293 832 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 1656 544 16 Corbina telecom
2118 1386 97 13 EUnet/RELCOM Autonomous Syste
34984 1302 244 220 BILISIM TELEKOM
31148 978 43 17 FreeNet ISP
20940 976 348 747 Akamai Technologies European
6830 898 2371 429 UPC Distribution Services
13188 843 99 70 Educational Network
8551 768 370 45 Bezeq International
12479 687 797 53 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 3156 1655 108 NET Servicos de Comunicao S.A
10620 2668 424 223 TVCABLE BOGOTA
7303 1729 1157 219 Telecom Argentina Stet-France
18881 1359 844 20 Global Village Telecom
8151 1265 2762 388 UniNet S.A. de C.V.
11830 944 364 15 Instituto Costarricense de El
27947 835 94 91 Telconet S.A
6503 784 434 65 AVANTEL, S.A.
6147 740 374 25 Telefonica Del Peru
3816 722 302 83 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 1861 112 5 MOBITEL
24863 874 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 291 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 219 501 29 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 3156 1655 108 NET Servicos de Comunicao S.A
6389 2978 3689 62 bellsouth.net, inc.
4766 2915 11561 918 Korea Telecom (KIX)
10620 2668 424 223 TVCABLE BOGOTA
17974 2647 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2056 321 112 TPG Internet Pty Ltd
1785 2006 679 125 PaeTec Communications, Inc.
22773 2006 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 2978 2916 bellsouth.net, inc.
17974 2647 2555 PT TELEKOMUNIKASI INDONESIA
10620 2668 2445 TVCABLE BOGOTA
4766 2915 1997 Korea Telecom (KIX)
7545 2056 1944 TPG Internet Pty Ltd
22773 2006 1883 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
8402 1656 1640 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
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.54.116.0/24 55452 Tg Agas Technology Sdn Bhd
27.54.116.0/22 55452 Tg Agas Technology Sdn Bhd
27.54.119.0/24 55452 Tg Agas Technology Sdn Bhd
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.
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 /11:93 /12:250
/13:480 /14:906 /15:1610 /16:12739 /17:6637 /18:11051
/19:22546 /20:32273 /21:34868 /22:48955 /23:42806 /24:244897
/25:1044 /26:1425 /27:589 /28:43 /29:75 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1713 2978 bellsouth.net, inc.
8402 1365 1656 Corbina telecom
22773 1304 2006 Cox Communications, Inc.
30036 1231 1368 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1024 1152 ITC^Deltacom
10620 990 2668 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:811 2:756 3:3 4:19 5:907 6:17
8:598 12:1897 13:2 14:868 15:11 16:3
17:10 18:19 20:17 23:313 24:1760 27:1531
31:1273 32:45 33:2 34:5 36:70 37:1816
38:897 39:2 40:180 41:3233 42:259 44:8
46:1854 47:3 49:656 50:840 52:12 54:37
55:6 57:26 58:1169 59:643 60:332 61:1486
62:1180 63:1986 64:4342 65:2155 66:4202 67:2016
68:1090 69:3315 70:838 71:491 72:1915 74:2527
75:326 76:306 77:1140 78:1048 79:614 80:1308
81:1016 82:652 83:585 84:569 85:1220 86:470
87:1042 88:537 89:1813 90:158 91:5566 92:625
93:1658 94:2011 95:1556 96:586 97:346 98:1029
99:43 100:29 101:596 103:3147 105:519 106:139
107:208 108:493 109:1864 110:944 111:1100 112:567
113:801 114:729 115:1101 116:959 117:800 118:1143
119:1294 120:362 121:850 122:1807 123:1244 124:1369
125:1411 128:634 129:223 130:310 131:663 132:349
133:160 134:273 135:72 136:259 137:242 138:344
139:189 140:201 141:321 142:532 143:397 144:521
145:93 146:532 147:476 148:666 149:353 150:154
151:589 152:412 153:193 154:30 155:415 156:275
157:404 158:276 159:744 160:348 161:455 162:577
163:222 164:548 165:554 166:255 167:602 168:1033
169:126 170:1069 171:188 172:25 173:1583 174:570
175:489 176:1172 177:2152 178:1906 179:94 180:1512
181:635 182:1230 183:433 184:655 185:756 186:2464
187:1403 188:1812 189:1274 190:6935 192:6874 193:5860
194:4714 195:3598 196:1333 197:1017 198:4587 199:5388
200:5959 201:2610 202:8841 203:8902 204:4519 205:2609
206:2833 207:2896 208:3992 209:3590 210:2924 211:1552
212:2263 213:2025 214:932 215:100 216:5246 217:1644
218:619 219:324 220:1277 221:552 222:322 223:463
End of report
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