Routing Table Report 04:00 +10GMT Thu 25 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 451583
Prefixes after maximum aggregation: 184832
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222533
Total ASes present in the Internet Routing Table: 43949
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34548
Origin ASes announcing only one prefix: 16100
Transit ASes present in the Internet Routing Table: 5802
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 ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 322
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4738
Number of 32-bit ASNs visible in the Routing Table: 3599
Prefixes from 32-bit ASNs in the Routing Table: 10188
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 218
Number of addresses announced to Internet: 2614573644
Equivalent to 155 /8s, 215 /16s and 58 /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: 94.4
Total number of prefixes smaller than registry allocations: 158986
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108574
Total APNIC prefixes after maximum aggregation: 33416
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109821
Unique aggregates announced from the APNIC address blocks: 44556
APNIC Region origin ASes present in the Internet Routing Table: 4837
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 812
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 507
Number of APNIC addresses announced to Internet: 720763072
Equivalent to 42 /8s, 245 /16s and 248 /24s
Percentage of available APNIC address space announced: 84.2
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: 158706
Total ARIN prefixes after maximum aggregation: 79890
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159363
Unique aggregates announced from the ARIN address blocks: 72471
ARIN Region origin ASes present in the Internet Routing Table: 15663
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5969
ARIN Region transit ASes present in the Internet Routing Table: 1625
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: 18
Number of ARIN addresses announced to Internet: 1063161984
Equivalent to 63 /8s, 94 /16s and 144 /24s
Percentage of available ARIN address space announced: 56.2
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: 116699
Total RIPE prefixes after maximum aggregation: 59501
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120217
Unique aggregates announced from the RIPE address blocks: 77060
RIPE Region origin ASes present in the Internet Routing Table: 17140
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2792
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2310
Number of RIPE addresses announced to Internet: 656712420
Equivalent to 39 /8s, 36 /16s and 162 /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: 47162
Total LACNIC prefixes after maximum aggregation: 9474
LACNIC Deaggregation factor: 4.98
Prefixes being announced from the LACNIC address blocks: 51217
Unique aggregates announced from the LACNIC address blocks: 24374
LACNIC Region origin ASes present in the Internet Routing Table: 1911
LACNIC Prefixes per ASN: 26.80
LACNIC Region origin ASes announcing only one prefix: 566
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: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 127217960
Equivalent to 7 /8s, 149 /16s and 49 /24s
Percentage of available LACNIC address space announced: 75.8
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: 10164
Total AfriNIC prefixes after maximum aggregation: 2509
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 10747
Unique aggregates announced from the AfriNIC address blocks: 3869
AfriNIC Region origin ASes present in the Internet Routing Table: 621
AfriNIC Prefixes per ASN: 17.31
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.9
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: 46234880
Equivalent to 2 /8s, 193 /16s and 125 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2952 11557 922 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 108 TPG Internet Pty Ltd
4755 1736 392 198 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1166 1064 12 Vietel Corporation
4808 1113 2109 325 CNCGROUP IP network: China169
9498 1083 310 73 BHARTI Airtel Ltd.
24560 1071 385 164 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 3035 3694 85 bellsouth.net, inc.
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1979 677 123 PaeTec Communications, Inc.
22773 1974 2929 125 Cox Communications, Inc.
20115 1668 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1347 297 657 Mediacom Communications Corp
7018 1315 10805 851 AT&T WorldNet Services
11492 1239 228 330 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 1841 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
12479 845 786 66 Uni2 Autonomous System
13188 834 99 70 Educational Network
20940 822 286 654 Akamai Technologies European
31148 795 41 22 FreeNet ISP
6830 776 2377 447 UPC Distribution Services
8551 762 370 43 Bezeq International
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 2656 1468 102 NET Servicos de Comunicao S.A
10620 2374 411 217 TVCABLE BOGOTA
7303 1678 1153 213 Telecom Argentina Stet-France
8151 1235 2690 395 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 861 717 20 Global Village Telecom
27947 810 88 97 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 696 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia S.A
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 1137 80 4 MOBITEL
24863 685 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 388 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 187 697 91 MTN Network Solutions
33776 164 11 18 Starcomms Nigeria Limited
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 3035 3694 85 bellsouth.net, inc.
4766 2952 11557 922 Korea Telecom (KIX)
28573 2656 1468 102 NET Servicos de Comunicao S.A
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2374 411 217 TVCABLE BOGOTA
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1979 677 123 PaeTec Communications, Inc.
22773 1974 2929 125 Cox Communications, Inc.
7545 1887 320 108 TPG Internet Pty Ltd
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 2656 2554 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2374 2157 TVCABLE BOGOTA
4766 2952 2030 Korea Telecom (KIX)
7029 2173 1961 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1979 1856 PaeTec Communications, Inc.
22773 1974 1849 Cox Communications, Inc.
8402 1841 1825 Corbina telecom
7545 1887 1779 TPG Internet Pty Ltd
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
128.0.55.0/24 48571 SC efectRO 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
128.0.72.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
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.
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 /11:89 /12:249
/13:485 /14:885 /15:1566 /16:12696 /17:6624 /18:11058
/19:21942 /20:32003 /21:33886 /22:46979 /23:41829 /24:237211
/25:1348 /26:1664 /27:858 /28:43 /29:69 /30:22
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1741 3035 bellsouth.net, inc.
7029 1611 2173 Windstream Communications Inc
8402 1542 1841 Corbina telecom
22773 1280 1974 Cox Communications, Inc.
30036 1221 1347 Mediacom Communications Corp
11492 1198 1239 Cable One
36998 1131 1137 MOBITEL
1785 1051 1979 PaeTec Communications, Inc.
6983 1006 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:776 2:795 3:3 4:15 5:871 6:5
8:545 12:1918 13:3 14:776 15:11 16:3
17:9 20:18 23:272 24:1765 27:1475 31:1203
32:43 33:2 34:5 36:44 37:1798 38:865
39:2 40:169 41:2673 42:186 44:6 46:1816
47:2 49:630 50:682 52:12 54:30 55:8
57:27 58:1138 59:587 60:307 61:1453 62:1028
63:2036 64:4313 65:2182 66:4324 67:2076 68:1117
69:3245 70:874 71:536 72:1954 74:2574 75:415
76:298 77:1105 78:1048 79:583 80:1257 81:983
82:625 83:583 84:523 85:1171 86:463 87:980
88:527 89:1799 90:281 91:5477 92:625 93:1723
94:1835 95:1559 96:522 97:343 98:1051 99:41
100:29 101:317 103:2506 105:488 106:143 107:209
108:516 109:1829 110:862 111:1042 112:501 113:783
114:697 115:1008 116:891 117:798 118:1041 119:1269
120:403 121:825 122:1756 123:1223 124:1326 125:1331
128:634 129:223 130:324 131:654 132:340 133:149
134:255 135:64 136:224 137:249 138:344 139:190
140:200 141:322 142:543 143:380 144:490 145:92
146:509 147:393 148:695 149:370 150:161 151:537
152:419 153:195 154:44 155:393 156:264 157:394
158:275 159:722 160:338 161:423 162:396 163:205
164:585 165:449 166:334 167:577 168:1029 169:133
170:1028 171:176 172:5 173:1610 174:586 175:461
176:1271 177:1900 178:1827 179:3 180:1411 181:403
182:1139 183:374 184:672 185:394 186:2288 187:1331
188:2032 189:1381 190:6161 192:6535 193:5834 194:4656
195:3490 196:1317 197:832 198:4356 199:5279 200:5898
201:2404 202:8868 203:8767 204:4519 205:2566 206:2820
207:2839 208:4069 209:3590 210:2956 211:1553 212:2035
213:1906 214:915 215:98 216:5197 217:1575 218:618
219:343 220:1272 221:553 222:317 223:447
End of report