* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 14 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 462665
Prefixes after maximum aggregation: 186992
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 229219
Total ASes present in the Internet Routing Table: 44694
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 34961
Origin ASes announcing only one prefix: 16201
Transit ASes present in the Internet Routing Table: 5891
Transit-only ASes present in the Internet Routing Table: 155
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: 4289
Unregistered ASNs in the Routing Table: 1517
Number of 32-bit ASNs allocated by the RIRs: 4943
Number of 32-bit ASNs visible in the Routing Table: 3842
Prefixes from 32-bit ASNs in the Routing Table: 11625
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 280
Number of addresses announced to Internet: 2633524364
Equivalent to 156 /8s, 248 /16s and 100 /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: 94.9
Total number of prefixes smaller than registry allocations: 162345
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110654
Total APNIC prefixes after maximum aggregation: 33588
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112458
Unique aggregates announced from the APNIC address blocks: 46202
APNIC Region origin ASes present in the Internet Routing Table: 4867
APNIC Prefixes per ASN: 23.11
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 824
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: 637
Number of APNIC addresses announced to Internet: 725738560
Equivalent to 43 /8s, 65 /16s and 228 /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: 160228
Total ARIN prefixes after maximum aggregation: 80825
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160812
Unique aggregates announced from the ARIN address blocks: 74708
ARIN Region origin ASes present in the Internet Routing Table: 15822
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5995
ARIN Region transit ASes present in the Internet Routing Table: 1658
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: 1069304064
Equivalent to 63 /8s, 188 /16s and 73 /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: 118258
Total RIPE prefixes after maximum aggregation: 60463
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122064
Unique aggregates announced from the RIPE address blocks: 78489
RIPE Region origin ASes present in the Internet Routing Table: 17340
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8221
RIPE Region transit ASes present in the Internet Routing Table: 2820
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: 656779300
Equivalent to 39 /8s, 37 /16s and 168 /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: 50210
Total LACNIC prefixes after maximum aggregation: 9537
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 54848
Unique aggregates announced from the LACNIC address blocks: 25590
LACNIC Region origin ASes present in the Internet Routing Table: 1995
LACNIC Prefixes per ASN: 27.49
LACNIC Region origin ASes announcing only one prefix: 576
LACNIC Region transit ASes present in the Internet Routing Table: 370
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: 796
Number of LACNIC addresses announced to Internet: 134906920
Equivalent to 8 /8s, 10 /16s and 132 /24s
Percentage of available LACNIC address space announced: 80.4
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: 2539
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12203
Unique aggregates announced from the AfriNIC address blocks: 3971
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 18.89
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 46472448
Equivalent to 2 /8s, 197 /16s and 29 /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 2923 11561 918 Korea Telecom (KIX)
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2055 321 112 TPG Internet Pty Ltd
4755 1780 393 197 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1224 92 504 Sify Limited
9498 1176 309 70 BHARTI Airtel Ltd.
4808 1156 2127 333 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 2979 3689 63 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2006 679 125 PaeTec Communications, Inc.
22773 2006 2927 123 Cox Communications, Inc.
20115 1674 1640 621 Charter Communications
4323 1628 1106 408 Time Warner Telecom
701 1521 11103 798 UUNET Technologies, Inc.
30036 1365 307 644 Mediacom Communications Corp
7018 1316 11293 829 AT&T WorldNet Services
11492 1220 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 1711 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
31148 978 43 17 FreeNet ISP
20940 976 348 747 Akamai Technologies European
2118 941 97 13 EUnet/RELCOM Autonomous Syste
6830 871 2371 429 UPC Distribution Services
13188 843 99 70 Educational Network
8551 770 370 45 Bezeq International
12479 686 797 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 3068 1602 104 NET Servicos de Comunicao S.A
10620 2659 422 227 TVCABLE BOGOTA
7303 1730 1157 220 Telecom Argentina Stet-France
18881 1324 844 20 Global Village Telecom
8151 1281 2762 393 UniNet S.A. de C.V.
11830 946 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 787 434 63 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 542 617 25 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 216 489 27 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 3068 1602 104 NET Servicos de Comunicao S.A
6389 2979 3689 63 bellsouth.net, inc.
4766 2923 11561 918 Korea Telecom (KIX)
10620 2659 422 227 TVCABLE BOGOTA
17974 2649 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2055 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 2979 2916 bellsouth.net, inc.
17974 2649 2557 PT TELEKOMUNIKASI INDONESIA
10620 2659 2432 TVCABLE BOGOTA
4766 2923 2005 Korea Telecom (KIX)
7545 2055 1943 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 1711 1695 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 /11:92 /12:250
/13:480 /14:906 /15:1606 /16:12734 /17:6633 /18:11042
/19:22517 /20:32250 /21:34790 /22:48854 /23:42771 /24:244456
/25:1045 /26:1428 /27:599 /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 2979 bellsouth.net, inc.
8402 1410 1711 Corbina telecom
22773 1304 2006 Cox Communications, Inc.
30036 1227 1365 Mediacom Communications Corp
11492 1181 1220 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1023 1151 ITC^Deltacom
10620 990 2659 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:803 2:795 3:3 4:19 5:905 6:17
8:599 12:1897 13:2 14:868 15:11 16:3
17:10 18:19 20:17 23:308 24:1775 27:1537
31:1345 32:45 33:2 34:5 36:67 37:1814
38:896 39:2 40:180 41:3240 42:258 44:8
46:1962 47:3 49:660 50:839 52:12 54:37
55:7 57:26 58:1172 59:642 60:332 61:1494
62:1174 63:2008 64:4341 65:2156 66:4202 67:2040
68:1090 69:3304 70:801 71:488 72:1915 74:2508
75:325 76:303 77:1141 78:1055 79:616 80:1290
81:1017 82:652 83:586 84:567 85:1219 86:474
87:1040 88:536 89:1814 90:157 91:5557 92:622
93:1659 94:1997 95:1596 96:584 97:346 98:1032
99:43 100:29 101:596 103:3138 105:519 106:139
107:208 108:520 109:1853 110:939 111:1073 112:567
113:813 114:701 115:1099 116:958 117:800 118:1141
119:1298 120:360 121:849 122:1778 123:1244 124:1369
125:1409 128:646 129:223 130:310 131:665 132:349
133:160 134:274 135:72 136:259 137:243 138:344
139:188 140:201 141:320 142:532 143:389 144:523
145:93 146:533 147:418 148:677 149:353 150:156
151:590 152:410 153:191 154:29 155:418 156:274
157:404 158:276 159:743 160:346 161:455 162:564
163:222 164:580 165:531 166:255 167:602 168:1035
169:126 170:1071 171:188 172:23 173:1582 174:559
175:491 176:1166 177:2153 178:1900 179:101 180:1513
181:634 182:1228 183:423 184:655 185:744 186:2390
187:1389 188:1852 189:1288 190:6978 192:6870 193:5526
194:4589 195:3593 196:1331 197:1004 198:4580 199:5379
200:5983 201:2608 202:8853 203:8871 204:4520 205:2595
206:2833 207:2899 208:3991 209:3592 210:2945 211:1534
212:2256 213:2044 214:926 215:101 216:5242 217:1649
218:615 219:323 220:1278 221:551 222:322 223:455
End of report
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