Routing Table Report 04:00 +10GMT Tue 28 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455726
Prefixes after maximum aggregation: 185430
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224559
Total ASes present in the Internet Routing Table: 44152
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34638
Origin ASes announcing only one prefix: 16112
Transit ASes present in the Internet Routing Table: 5854
Transit-only ASes present in the Internet Routing Table: 148
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: 313
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 4777
Number of 32-bit ASNs visible in the Routing Table: 3660
Prefixes from 32-bit ASNs in the Routing Table: 10472
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 235
Number of addresses announced to Internet: 2619372972
Equivalent to 156 /8s, 32 /16s and 117 /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: 160109
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110145
Total APNIC prefixes after maximum aggregation: 33511
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111555
Unique aggregates announced from the APNIC address blocks: 44874
APNIC Region origin ASes present in the Internet Routing Table: 4852
APNIC Prefixes per ASN: 22.99
APNIC Region origin ASes announcing only one prefix: 1224
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: 538
Number of APNIC addresses announced to Internet: 722594016
Equivalent to 43 /8s, 17 /16s and 232 /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: 159577
Total ARIN prefixes after maximum aggregation: 80296
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160132
Unique aggregates announced from the ARIN address blocks: 73266
ARIN Region origin ASes present in the Internet Routing Table: 15704
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5974
ARIN Region transit ASes present in the Internet Routing Table: 1633
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: 1063415104
Equivalent to 63 /8s, 98 /16s and 109 /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: 116975
Total RIPE prefixes after maximum aggregation: 59798
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120570
Unique aggregates announced from the RIPE address blocks: 77976
RIPE Region origin ASes present in the Internet Routing Table: 17196
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2818
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: 656593764
Equivalent to 39 /8s, 34 /16s and 211 /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: 47621
Total LACNIC prefixes after maximum aggregation: 9279
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51822
Unique aggregates announced from the LACNIC address blocks: 24323
LACNIC Region origin ASes present in the Internet Routing Table: 1933
LACNIC Prefixes per ASN: 26.81
LACNIC Region origin ASes announcing only one prefix: 573
LACNIC Region transit ASes present in the Internet Routing Table: 356
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: 754
Number of LACNIC addresses announced to Internet: 130029864
Equivalent to 7 /8s, 192 /16s and 25 /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: 10852
Total AfriNIC prefixes after maximum aggregation: 2506
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11412
Unique aggregates announced from the AfriNIC address blocks: 3902
AfriNIC Region origin ASes present in the Internet Routing Table: 632
AfriNIC Prefixes per ASN: 18.06
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: 46452480
Equivalent to 2 /8s, 196 /16s and 207 /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 2961 11559 926 Korea Telecom (KIX)
17974 2517 839 86 PT TELEKOMUNIKASI INDONESIA
7545 1983 320 107 TPG Internet Pty Ltd
4755 1734 391 192 TATA Communications formerly
9829 1498 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1167 1064 12 Vietel Corporation
4808 1133 2112 329 CNCGROUP IP network: China169
9498 1113 309 71 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 1306 11074 839 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 1837 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1206 240 229 BILISIM TELEKOM
20940 865 301 681 Akamai Technologies European
13188 827 98 73 Educational Network
31148 809 40 24 FreeNet ISP
6830 771 2377 444 UPC Distribution Services
8551 768 370 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 2773 1537 114 NET Servicos de Comunicao S.A
10620 2632 413 231 TVCABLE BOGOTA
7303 1727 1154 223 Telecom Argentina Stet-France
8151 1257 2707 396 UniNet S.A. de C.V.
18881 952 780 19 Global Village Telecom
6503 933 435 68 AVANTEL, S.A.
27947 837 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 893 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 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 2961 11559 926 Korea Telecom (KIX)
28573 2773 1537 114 NET Servicos de Comunicao S.A
10620 2632 413 231 TVCABLE BOGOTA
17974 2517 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 1983 320 107 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 2773 2659 NET Servicos de Comunicao S.A
17974 2517 2431 PT TELEKOMUNIKASI INDONESIA
10620 2632 2401 TVCABLE BOGOTA
4766 2961 2035 Korea Telecom (KIX)
18566 2066 1882 Covad Communications
7545 1983 1876 TPG Internet Pty Ltd
1785 1992 1868 PaeTec Communications, Inc.
7029 2071 1860 Windstream Communications Inc
22773 1979 1854 Cox Communications, Inc.
8402 1837 1821 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
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
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
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 /14:899 /15:1594 /16:12678 /17:6656 /18:11169
/19:22225 /20:32108 /21:34340 /22:47599 /23:42392 /24:239220
/25:1307 /26:1666 /27:849 /28:46 /29:64 /30:18
/31:0 /32:19
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 1529 1837 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)
----------------------------------------------
1:805 2:813 3:3 4:15 5:886 6:9
8:553 12:1927 13:3 14:830 15:11 16:3
17:9 20:17 23:274 24:1766 27:1481 31:1299
32:57 33:2 34:5 36:28 37:1860 38:877
39:2 40:172 41:2754 42:192 44:6 46:1928
47:2 49:591 50:710 52:12 54:33 55:7
57:26 58:1200 59:568 60:313 61:1407 62:1110
63:2037 64:4348 65:2178 66:4378 67:2065 68:1131
69:3311 70:878 71:527 72:1921 74:2568 75:409
76:305 77:1106 78:1051 79:596 80:1264 81:1001
82:625 83:571 84:532 85:1161 86:456 87:983
88:539 89:1725 90:145 91:5493 92:590 93:1702
94:1835 95:1533 96:515 97:344 98:1040 99:41
100:30 101:330 103:2639 105:519 106:94 107:209
108:518 109:1822 110:896 111:1035 112:516 113:802
114:720 115:1030 116:931 117:797 118:1081 119:1310
120:426 121:730 122:1806 123:1229 124:1351 125:1373
128:641 129:221 130:325 131:652 132:332 133:149
134:262 135:66 136:221 137:261 138:344 139:196
140:208 141:326 142:541 143:368 144:482 145:93
146:508 147:392 148:683 149:374 150:158 151:569
152:416 153:197 154:43 155:395 156:264 157:398
158:279 159:728 160:338 161:430 162:433 163:219
164:594 165:499 166:283 167:591 168:1036 169:129
170:1028 171:180 172:22 173:1663 174:589 175:483
176:1104 177:1974 178:1854 179:7 180:1465 181:401
182:1197 183:388 184:675 185:463 186:2264 187:1298
188:2139 189:1317 190:6368 192:6643 193:5863 194:4594
195:3420 196:1362 197:905 198:4444 199:5311 200:5918
201:2271 202:8899 203:8892 204:4502 205:2552 206:2842
207:2904 208:4049 209:3634 210:2983 211:1514 212:2187
213:1926 214:901 215:98 216:5251 217:1597 218:620
219:327 220:1259 221:558 222:318 223:489
End of report