Routing Table Report 04:00 +10GMT Mon 27 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455707
Prefixes after maximum aggregation: 185472
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224606
Total ASes present in the Internet Routing Table: 44154
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34638
Origin ASes announcing only one prefix: 16105
Transit ASes present in the Internet Routing Table: 5849
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 54
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 314
Unregistered ASNs in the Routing Table: 128
Number of 32-bit ASNs allocated by the RIRs: 4776
Number of 32-bit ASNs visible in the Routing Table: 3667
Prefixes from 32-bit ASNs in the Routing Table: 10487
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 235
Number of addresses announced to Internet: 2619636512
Equivalent to 156 /8s, 36 /16s and 123 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 160269
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110029
Total APNIC prefixes after maximum aggregation: 33472
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111422
Unique aggregates announced from the APNIC address blocks: 44797
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 23.01
APNIC Region origin ASes announcing only one prefix: 1223
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: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 537
Number of APNIC addresses announced to Internet: 722601952
Equivalent to 43 /8s, 18 /16s and 7 /24s
Percentage of available APNIC address space announced: 84.5
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: 159591
Total ARIN prefixes after maximum aggregation: 80325
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160149
Unique aggregates announced from the ARIN address blocks: 73280
ARIN Region origin ASes present in the Internet Routing Table: 15707
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5973
ARIN Region transit ASes present in the Internet Routing Table: 1634
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: 1063582016
Equivalent to 63 /8s, 100 /16s and 249 /24s
Percentage of available ARIN address space announced: 56.3
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: 117119
Total RIPE prefixes after maximum aggregation: 59897
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120709
Unique aggregates announced from the RIPE address blocks: 78072
RIPE Region origin ASes present in the Internet Routing Table: 17196
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2815
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2343
Number of RIPE addresses announced to Internet: 656639968
Equivalent to 39 /8s, 35 /16s and 135 /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: 47566
Total LACNIC prefixes after maximum aggregation: 9234
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 51802
Unique aggregates announced from the LACNIC address blocks: 24346
LACNIC Region origin ASes present in the Internet Routing Table: 1934
LACNIC Prefixes per ASN: 26.78
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 353
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 762
Number of LACNIC addresses announced to Internet: 130087712
Equivalent to 7 /8s, 192 /16s and 251 /24s
Percentage of available LACNIC address space announced: 77.5
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: 10830
Total AfriNIC prefixes after maximum aggregation: 2504
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11390
Unique aggregates announced from the AfriNIC address blocks: 3893
AfriNIC Region origin ASes present in the Internet Routing Table: 630
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46437120
Equivalent to 2 /8s, 196 /16s and 147 /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 926 Korea Telecom (KIX)
17974 2513 839 86 PT TELEKOMUNIKASI INDONESIA
7545 1981 320 105 TPG Internet Pty Ltd
4755 1734 391 192 TATA Communications formerly
9829 1504 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1167 1064 12 Vietel Corporation
4808 1136 2120 329 CNCGROUP IP network: China169
9498 1113 309 72 BHARTI Airtel Ltd.
24560 1073 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 3018 3693 79 bellsouth.net, inc.
7029 2071 1265 211 Windstream Communications Inc
18566 2066 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications, Inc.
20115 1671 1610 612 Charter Communications
4323 1609 1138 399 Time Warner Telecom
30036 1328 296 642 Mediacom Communications Corp
7018 1304 11074 840 AT&T WorldNet Services
11492 1234 221 342 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 1810 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1206 240 229 BILISIM TELEKOM
20940 860 298 678 Akamai Technologies European
13188 827 98 73 Educational Network
31148 795 40 24 FreeNet ISP
6830 771 2377 444 UPC Distribution Services
8551 770 370 43 Bezeq International
34744 688 173 56 SC GVM SISTEM 2003 SRL
58113 666 74 386 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 2751 1537 114 NET Servicos de Comunicao S.A
10620 2630 413 231 TVCABLE BOGOTA
7303 1727 1154 223 Telecom Argentina Stet-France
8151 1257 2707 395 UniNet S.A. de C.V.
18881 951 780 19 Global Village Telecom
6503 932 435 68 AVANTEL, S.A.
27947 815 89 101 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 608 87 64 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 886 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 441 956 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 3018 3693 79 bellsouth.net, inc.
4766 2959 11559 926 Korea Telecom (KIX)
28573 2751 1537 114 NET Servicos de Comunicao S.A
10620 2630 413 231 TVCABLE BOGOTA
17974 2513 839 86 PT TELEKOMUNIKASI INDONESIA
7029 2071 1265 211 Windstream Communications Inc
18566 2066 382 184 Covad Communications
1785 1992 677 124 PaeTec Communications, Inc.
7545 1981 320 105 TPG Internet Pty Ltd
22773 1979 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 2751 2637 NET Servicos de Comunicao S.A
17974 2513 2427 PT TELEKOMUNIKASI INDONESIA
10620 2630 2399 TVCABLE BOGOTA
4766 2959 2033 Korea Telecom (KIX)
18566 2066 1882 Covad Communications
7545 1981 1876 TPG Internet Pty Ltd
1785 1992 1868 PaeTec Communications, Inc.
7029 2071 1860 Windstream Communications Inc
22773 1979 1854 Cox Communications, Inc.
8402 1810 1794 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
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 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 /9:11 /10:30 /11:88 /12:249
/13:483 /14:900 /15:1593 /16:12681 /17:6652 /18:11172
/19:22222 /20:32104 /21:34329 /22:47681 /23:42438 /24:239200
/25:1304 /26:1666 /27:849 /28:13 /29:11 /30:4
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1733 3018 bellsouth.net, inc.
7029 1580 2071 Windstream Communications Inc
8402 1502 1810 Corbina telecom
22773 1287 1979 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1198 1328 Mediacom Communications Corp
11492 1194 1234 Cable One
1785 1063 1992 PaeTec Communications, Inc.
6983 1008 1135 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:803 2:809 3:3 4:15 5:885 6:9
8:554 12:1927 13:3 14:826 15:11 16:3
17:9 20:17 23:274 24:1766 27:1464 31:1296
32:57 33:2 34:5 36:28 37:1865 38:878
39:2 40:172 41:2753 42:192 44:6 46:1915
47:2 49:588 50:711 52:12 54:33 55:7
57:26 58:1193 59:570 60:313 61:1405 62:1111
63:2036 64:4349 65:2179 66:4378 67:2063 68:1131
69:3312 70:878 71:527 72:1921 74:2568 75:409
76:305 77:1107 78:1050 79:591 80:1264 81:1000
82:624 83:570 84:533 85:1165 86:461 87:983
88:539 89:1767 90:145 91:5490 92:593 93:1702
94:1840 95:1515 96:515 97:344 98:1040 99:41
100:30 101:331 103:2631 105:519 106:92 107:209
108:518 109:1831 110:893 111:1035 112:510 113:800
114:718 115:1032 116:930 117:791 118:1080 119:1285
120:435 121:729 122:1800 123:1229 124:1352 125:1375
128:643 129:221 130:325 131:651 132:332 133:149
134:267 135:66 136:209 137:261 138:342 139:196
140:208 141:326 142:541 143:371 144:483 145:93
146:507 147:392 148:680 149:374 150:159 151:572
152:415 153:199 154:43 155:395 156:264 157:397
158:278 159:730 160:338 161:430 162:432 163:218
164:594 165:497 166:283 167:591 168:1030 169:129
170:1028 171:180 172:21 173:1666 174:593 175:483
176:1100 177:1997 178:1854 179:8 180:1462 181:402
182:1189 183:386 184:675 185:463 186:2289 187:1302
188:2131 189:1320 190:6389 192:6644 193:5858 194:4588
195:3421 196:1361 197:906 198:4443 199:5314 200:5913
201:2261 202:8895 203:8873 204:4504 205:2555 206:2842
207:2903 208:4053 209:3636 210:2993 211:1518 212:2203
213:1922 214:902 215:98 216:5250 217:1591 218:619
219:330 220:1261 221:558 222:318 223:488
End of report