* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 15 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 454668
Prefixes after maximum aggregation: 185258
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 224477
Total ASes present in the Internet Routing Table: 44059
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34580
Origin ASes announcing only one prefix: 16102
Transit ASes present in the Internet Routing Table: 5846
Transit-only ASes present in the Internet Routing Table: 155
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 310
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 4764
Number of 32-bit ASNs visible in the Routing Table: 3633
Prefixes from 32-bit ASNs in the Routing Table: 10358
Special use prefixes present in the Routing Table: 23
Prefixes being announced from unallocated address space: 240
Number of addresses announced to Internet: 2614571756
Equivalent to 155 /8s, 215 /16s and 50 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.5
Total number of prefixes smaller than registry allocations: 160315
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108973
Total APNIC prefixes after maximum aggregation: 33439
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110322
Unique aggregates announced from the APNIC address blocks: 44895
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 22.80
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 827
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 521
Number of APNIC addresses announced to Internet: 721116896
Equivalent to 42 /8s, 251 /16s and 94 /24s
Percentage of available APNIC address space announced: 84.3
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: 159612
Total ARIN prefixes after maximum aggregation: 80293
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160208
Unique aggregates announced from the ARIN address blocks: 73524
ARIN Region origin ASes present in the Internet Routing Table: 15684
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5969
ARIN Region transit ASes present in the Internet Routing Table: 1636
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1061403776
Equivalent to 63 /8s, 67 /16s and 188 /24s
Percentage of available ARIN address space announced: 56.1
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: 117211
Total RIPE prefixes after maximum aggregation: 59743
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120776
Unique aggregates announced from the RIPE address blocks: 77859
RIPE Region origin ASes present in the Internet Routing Table: 17166
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8147
RIPE Region transit ASes present in the Internet Routing Table: 2809
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2327
Number of RIPE addresses announced to Internet: 656306788
Equivalent to 39 /8s, 30 /16s and 114 /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: 47607
Total LACNIC prefixes after maximum aggregation: 9252
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51728
Unique aggregates announced from the LACNIC address blocks: 24092
LACNIC Region origin ASes present in the Internet Routing Table: 1928
LACNIC Prefixes per ASN: 26.83
LACNIC Region origin ASes announcing only one prefix: 574
LACNIC Region transit ASes present in the Internet Routing Table: 360
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 760
Number of LACNIC addresses announced to Internet: 128972584
Equivalent to 7 /8s, 175 /16s and 247 /24s
Percentage of available LACNIC address space announced: 76.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10828
Total AfriNIC prefixes after maximum aggregation: 2491
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11394
Unique aggregates announced from the AfriNIC address blocks: 3884
AfriNIC Region origin ASes present in the Internet Routing Table: 627
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 186
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: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46415616
Equivalent to 2 /8s, 196 /16s and 63 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2959 11559 924 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1981 320 109 TPG Internet Pty Ltd
4755 1725 390 191 TATA Communications formerly
9829 1506 1205 40 BSNL National Internet Backbo
9583 1218 91 501 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1170 2140 339 CNCGROUP IP network: China169
9498 1102 309 71 BHARTI Airtel Ltd.
24560 1069 393 166 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 3021 3693 82 bellsouth.net, inc.
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1993 677 125 PaeTec Communications, Inc.
22773 1973 2929 125 Cox Communications, Inc.
20115 1666 1608 616 Charter Communications
4323 1612 1139 398 Time Warner Telecom
30036 1327 295 646 Mediacom Communications Corp
7018 1320 10820 857 AT&T WorldNet Services
11492 1245 228 320 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 1831 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1201 240 227 BILISIM TELEKOM
13188 836 98 68 Educational Network
20940 830 286 658 Akamai Technologies European
31148 789 39 20 FreeNet ISP
6830 771 2376 444 UPC Distribution Services
8551 770 370 43 Bezeq International
12479 683 782 67 Uni2 Autonomous System
34744 676 173 56 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 2722 1524 110 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
7303 1724 1154 222 Telecom Argentina Stet-France
8151 1243 2701 395 UniNet S.A. de C.V.
6503 970 435 68 AVANTEL, S.A.
18881 930 780 19 Global Village Telecom
27947 834 89 98 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 610 87 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 1237 80 4 MOBITEL
24863 888 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 459 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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 3021 3693 82 bellsouth.net, inc.
4766 2959 11559 924 Korea Telecom (KIX)
28573 2722 1524 110 NET Servicos de Comunicao S.A
10620 2630 412 223 TVCABLE BOGOTA
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7029 2143 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1993 677 125 PaeTec Communications, Inc.
7545 1981 320 109 TPG Internet Pty Ltd
22773 1973 2929 125 Cox Communications, Inc.
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 2722 2612 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2630 2407 TVCABLE BOGOTA
4766 2959 2035 Korea Telecom (KIX)
7029 2143 1932 Windstream Communications Inc
18566 2067 1883 Covad Communications
7545 1981 1872 TPG Internet Pty Ltd
1785 1993 1868 PaeTec Communications, Inc.
22773 1973 1848 Cox Communications, Inc.
8402 1831 1815 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
26064 UNALLOCATED 12.149.37.0/24 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 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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 /9:13 /10:29 /11:87 /12:250
/13:490 /14:882 /15:1565 /16:12678 /17:6629 /18:11175
/19:22101 /20:32038 /21:34111 /22:47364 /23:42199 /24:238912
/25:1359 /26:1754 /27:868 /28:44 /29:67 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1733 3021 bellsouth.net, inc.
7029 1612 2143 Windstream Communications Inc
8402 1531 1831 Corbina telecom
22773 1282 1973 Cox Communications, Inc.
36998 1231 1237 MOBITEL
11492 1204 1245 Cable One
30036 1198 1327 Mediacom Communications Corp
1785 1062 1993 PaeTec Communications, Inc.
6983 1007 1132 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:807 2:812 3:3 4:15 5:878 6:7
8:559 12:1926 13:3 14:823 15:11 16:3
17:9 20:17 23:276 24:1769 27:1517 31:1281
32:43 33:2 34:5 36:28 37:1849 38:874
39:2 40:173 41:2793 42:191 44:6 46:1894
47:2 49:623 50:695 52:12 54:35 55:10
57:26 58:1140 59:567 60:310 61:1392 62:1084
63:2028 64:4323 65:2181 66:4365 67:2045 68:1129
69:3277 70:874 71:537 72:1927 74:2563 75:414
76:308 77:1106 78:1048 79:588 80:1272 81:990
82:620 83:556 84:525 85:1152 86:462 87:979
88:539 89:1796 90:161 91:5471 92:586 93:1702
94:1857 95:1499 96:528 97:344 98:1051 99:41
100:30 101:329 103:2585 105:535 106:144 107:209
108:520 109:1850 110:878 111:1053 112:512 113:789
114:712 115:944 116:905 117:792 118:1063 119:1291
120:407 121:721 122:1785 123:1202 124:1352 125:1345
128:633 129:225 130:324 131:651 132:339 133:149
134:262 135:66 136:221 137:258 138:345 139:197
140:207 141:327 142:548 143:399 144:487 145:92
146:513 147:408 148:694 149:373 150:158 151:567
152:418 153:197 154:43 155:396 156:263 157:401
158:276 159:728 160:358 161:426 162:429 163:234
164:592 165:451 166:300 167:584 168:1038 169:134
170:1028 171:178 172:6 173:1670 174:590 175:477
176:1279 177:1979 178:1852 179:5 180:1429 181:373
182:1193 183:387 184:676 185:440 186:2341 187:1304
188:2127 189:1324 190:6351 192:6643 193:5866 194:4669
195:3461 196:1323 197:902 198:4446 199:5293 200:5930
201:2250 202:8843 203:8837 204:4509 205:2572 206:2854
207:2890 208:4070 209:3630 210:2942 211:1556 212:2118
213:1943 214:914 215:97 216:5251 217:1580 218:617
219:326 220:1279 221:554 222:319 223:439
End of report
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