* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 29 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 460437
Prefixes after maximum aggregation: 186841
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228560
Total ASes present in the Internet Routing Table: 44613
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34892
Origin ASes announcing only one prefix: 16214
Transit ASes present in the Internet Routing Table: 5912
Transit-only ASes present in the Internet Routing Table: 149
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: 3403
Unregistered ASNs in the Routing Table: 1355
Number of 32-bit ASNs allocated by the RIRs: 4904
Number of 32-bit ASNs visible in the Routing Table: 3809
Prefixes from 32-bit ASNs in the Routing Table: 11424
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 263
Number of addresses announced to Internet: 2630281964
Equivalent to 156 /8s, 198 /16s and 234 /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: 94.8
Total number of prefixes smaller than registry allocations: 161567
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110361
Total APNIC prefixes after maximum aggregation: 33900
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112101
Unique aggregates announced from the APNIC address blocks: 46015
APNIC Region origin ASes present in the Internet Routing Table: 4872
APNIC Prefixes per ASN: 23.01
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 618
Number of APNIC addresses announced to Internet: 725292256
Equivalent to 43 /8s, 59 /16s and 20 /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: 159784
Total ARIN prefixes after maximum aggregation: 80488
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160376
Unique aggregates announced from the ARIN address blocks: 74137
ARIN Region origin ASes present in the Internet Routing Table: 15796
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5993
ARIN Region transit ASes present in the Internet Routing Table: 1655
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: 1068175424
Equivalent to 63 /8s, 171 /16s and 16 /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: 118020
Total RIPE prefixes after maximum aggregation: 60348
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121825
Unique aggregates announced from the RIPE address blocks: 78779
RIPE Region origin ASes present in the Internet Routing Table: 17327
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8226
RIPE Region transit ASes present in the Internet Routing Table: 2833
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: 2377
Number of RIPE addresses announced to Internet: 656139172
Equivalent to 39 /8s, 27 /16s and 227 /24s
Percentage of available RIPE address space announced: 95.4
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: 49158
Total LACNIC prefixes after maximum aggregation: 9515
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 53684
Unique aggregates announced from the LACNIC address blocks: 25456
LACNIC Region origin ASes present in the Internet Routing Table: 1989
LACNIC Prefixes per ASN: 26.99
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 368
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: 789
Number of LACNIC addresses announced to Internet: 133804840
Equivalent to 7 /8s, 249 /16s and 179 /24s
Percentage of available LACNIC address space announced: 79.8
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: 11600
Total AfriNIC prefixes after maximum aggregation: 2550
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12188
Unique aggregates announced from the AfriNIC address blocks: 3928
AfriNIC Region origin ASes present in the Internet Routing Table: 644
AfriNIC Prefixes per ASN: 18.93
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 133
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: 46543616
Equivalent to 2 /8s, 198 /16s and 51 /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 2916 11561 920 Korea Telecom (KIX)
17974 2619 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2032 320 108 TPG Internet Pty Ltd
4755 1763 391 193 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1224 92 505 Sify Limited
4808 1173 2153 339 CNCGROUP IP network: China169
9498 1169 309 71 BHARTI Airtel Ltd.
7552 1141 1080 13 Vietel Corporation
24560 1084 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 2983 3690 65 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 2000 679 124 PaeTec Communications, Inc.
22773 2000 2927 123 Cox Communications, Inc.
20115 1670 1623 622 Charter Communications
4323 1615 1118 405 Time Warner Telecom
701 1523 11120 801 UUNET Technologies, Inc.
30036 1341 302 660 Mediacom Communications Corp
7018 1314 11037 827 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 1598 544 16 Corbina telecom
34984 1296 244 222 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 941 327 740 Akamai Technologies European
13188 838 98 81 Educational Network
6830 831 2372 441 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 685 793 56 Uni2 Autonomous System
34744 602 159 114 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 2956 1591 110 NET Servicos de Comunicao S.A
10620 2639 420 226 TVCABLE BOGOTA
7303 1730 1155 220 Telecom Argentina Stet-France
8151 1273 2750 387 UniNet S.A. de C.V.
18881 1246 844 20 Global Village Telecom
27947 832 94 90 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 721 305 87 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 621 88 65 Servicios Alestra S.A de C.V
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 1815 112 5 MOBITEL
24863 879 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 434 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 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
6389 2983 3690 65 bellsouth.net, inc.
28573 2956 1591 110 NET Servicos de Comunicao S.A
4766 2916 11561 920 Korea Telecom (KIX)
10620 2639 420 226 TVCABLE BOGOTA
17974 2619 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2032 320 108 TPG Internet Pty Ltd
1785 2000 679 124 PaeTec Communications, Inc.
22773 2000 2927 123 Cox Communications, Inc.
36998 1815 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
28573 2956 2846 NET Servicos de Comunicao S.A
17974 2619 2527 PT TELEKOMUNIKASI INDONESIA
10620 2639 2413 TVCABLE BOGOTA
4766 2916 1996 Korea Telecom (KIX)
7545 2032 1924 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
22773 2000 1877 Cox Communications, Inc.
1785 2000 1876 PaeTec Communications, Inc.
36998 1815 1810 MOBITEL
8402 1598 1582 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
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.
64.185.231.0/24 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
/13:478 /14:906 /15:1602 /16:12734 /17:6652 /18:11084
/19:22510 /20:32094 /21:34665 /22:48480 /23:42543 /24:242493
/25:1271 /26:1528 /27:849 /28:43 /29:71 /30:18
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1780 1815 MOBITEL
6389 1715 2983 bellsouth.net, inc.
22773 1303 2000 Cox Communications, Inc.
8402 1290 1598 Corbina telecom
30036 1205 1341 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1074 2000 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 984 2639 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:827 2:710 3:3 4:19 5:839 6:17
8:573 12:1911 13:2 14:863 15:11 16:3
17:10 18:4 20:17 23:296 24:1769 27:1508
31:1305 32:45 33:2 34:5 36:60 37:1847
38:890 39:2 40:175 41:3285 42:248 44:8
46:1947 47:2 49:673 50:818 52:12 54:36
55:8 57:26 58:1163 59:583 60:331 61:1428
62:1181 63:2008 64:4361 65:2152 66:4189 67:2020
68:1094 69:3282 70:798 71:490 72:1917 74:2506
75:324 76:305 77:1117 78:1041 79:612 80:1291
81:1016 82:633 83:584 84:576 85:1205 86:469
87:1027 88:543 89:1800 90:153 91:5534 92:623
93:1744 94:1926 95:1624 96:594 97:344 98:1028
99:43 100:30 101:347 103:3042 105:522 106:140
107:208 108:520 109:1843 110:945 111:1071 112:565
113:817 114:700 115:1011 116:954 117:807 118:1144
119:1302 120:371 121:735 122:1805 123:1241 124:1373
125:1390 128:641 129:223 130:309 131:656 132:359
133:160 134:267 135:72 136:239 137:242 138:343
139:190 140:209 141:321 142:533 143:385 144:510
145:98 146:527 147:401 148:662 149:349 150:147
151:553 152:409 153:189 154:28 155:413 156:267
157:393 158:277 159:743 160:350 161:452 162:504
163:222 164:582 165:506 166:253 167:596 168:1032
169:127 170:1064 171:185 172:23 173:1593 174:554
175:499 176:1128 177:2130 178:1871 179:76 180:1484
181:567 182:1274 183:420 184:670 185:693 186:2336
187:1379 188:1895 189:1296 190:6803 192:6837 193:5708
194:4712 195:3588 196:1347 197:940 198:4542 199:5369
200:5941 201:2235 202:8835 203:8880 204:4510 205:2592
206:2827 207:2894 208:4014 209:3598 210:2933 211:1525
212:2231 213:2015 214:907 215:99 216:5265 217:1618
218:615 219:313 220:1284 221:552 222:321 223:449
End of report
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