Routing Table Report 04:00 +10GMT Sun 21 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450763
Prefixes after maximum aggregation: 184605
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222595
Total ASes present in the Internet Routing Table: 43879
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34500
Origin ASes announcing only one prefix: 16078
Transit ASes present in the Internet Routing Table: 5797
Transit-only ASes present in the Internet Routing Table: 143
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: 364
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4729
Number of 32-bit ASNs visible in the Routing Table: 3582
Prefixes from 32-bit ASNs in the Routing Table: 10145
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 222
Number of addresses announced to Internet: 2613666188
Equivalent to 155 /8s, 201 /16s and 97 /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: 158883
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108385
Total APNIC prefixes after maximum aggregation: 33453
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109612
Unique aggregates announced from the APNIC address blocks: 44579
APNIC Region origin ASes present in the Internet Routing Table: 4827
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 500
Number of APNIC addresses announced to Internet: 720788928
Equivalent to 42 /8s, 246 /16s and 93 /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: 158309
Total ARIN prefixes after maximum aggregation: 79777
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158950
Unique aggregates announced from the ARIN address blocks: 72647
ARIN Region origin ASes present in the Internet Routing Table: 15647
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5961
ARIN Region transit ASes present in the Internet Routing Table: 1619
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: 1062717120
Equivalent to 63 /8s, 87 /16s and 198 /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: 116580
Total RIPE prefixes after maximum aggregation: 59456
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120169
Unique aggregates announced from the RIPE address blocks: 77174
RIPE Region origin ASes present in the Internet Routing Table: 17131
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8147
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: 2302
Number of RIPE addresses announced to Internet: 656580324
Equivalent to 39 /8s, 34 /16s and 158 /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: 47046
Total LACNIC prefixes after maximum aggregation: 9383
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 51062
Unique aggregates announced from the LACNIC address blocks: 24164
LACNIC Region origin ASes present in the Internet Routing Table: 1904
LACNIC Prefixes per ASN: 26.82
LACNIC Region origin ASes announcing only one prefix: 562
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: 755
Number of LACNIC addresses announced to Internet: 126928936
Equivalent to 7 /8s, 144 /16s and 200 /24s
Percentage of available LACNIC address space announced: 75.7
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: 2488
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 10748
Unique aggregates announced from the AfriNIC address blocks: 3828
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.42
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46201088
Equivalent to 2 /8s, 192 /16s and 249 /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 2953 11557 922 Korea Telecom (KIX)
17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 109 TPG Internet Pty Ltd
4755 1736 392 198 TATA Communications formerly
9829 1512 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1170 1064 12 Vietel Corporation
4808 1107 2109 325 CNCGROUP IP network: China169
9498 1078 310 73 BHARTI Airtel Ltd.
24560 1069 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 3037 3694 87 bellsouth.net, inc.
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
22773 1984 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1668 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1344 297 657 Mediacom Communications Corp
7018 1312 10807 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 1824 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
13188 868 99 33 Educational Network
12479 844 786 66 Uni2 Autonomous System
20940 818 286 652 Akamai Technologies European
31148 794 41 22 FreeNet ISP
8551 761 370 43 Bezeq International
6830 753 2318 440 UPC Distribution Services
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 2628 1452 96 NET Servicos de Comunicao S.A
10620 2374 411 217 TVCABLE BOGOTA
7303 1676 1153 211 Telecom Argentina Stet-France
8151 1232 2690 394 UniNet S.A. de C.V.
6503 1066 435 67 AVANTEL, S.A.
18881 859 717 19 Global Village Telecom
27947 808 88 96 Telconet S.A
11830 725 364 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 695 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 362 956 9 TEDATA
24835 275 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 184 12 21 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 3037 3694 87 bellsouth.net, inc.
4766 2953 11557 922 Korea Telecom (KIX)
28573 2628 1452 96 NET Servicos de Comunicao S.A
17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2374 411 217 TVCABLE BOGOTA
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
22773 1984 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1887 320 109 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 2628 2532 NET Servicos de Comunicao S.A
17974 2514 2424 PT TELEKOMUNIKASI INDONESIA
10620 2374 2157 TVCABLE BOGOTA
4766 2953 2031 Korea Telecom (KIX)
7029 2173 1961 Windstream Communications Inc
18566 2067 1883 Covad Communications
22773 1984 1859 Cox Communications, Inc.
1785 1974 1852 PaeTec Communications, Inc.
8402 1824 1808 Corbina telecom
7545 1887 1778 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 /11:88 /12:249
/13:485 /14:884 /15:1562 /16:12691 /17:6601 /18:10921
/19:21862 /20:31994 /21:33847 /22:46830 /23:41821 /24:236822
/25:1366 /26:1669 /27:859 /28:44 /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 3037 bellsouth.net, inc.
7029 1611 2173 Windstream Communications Inc
8402 1525 1824 Corbina telecom
22773 1292 1984 Cox Communications, Inc.
30036 1219 1344 Mediacom Communications Corp
11492 1198 1239 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:775 2:785 3:3 4:15 5:849 6:5
8:543 12:1913 13:3 14:775 15:11 16:3
17:9 20:18 23:271 24:1768 27:1469 31:1216
32:43 33:2 34:5 36:44 37:1808 38:862
39:2 40:169 41:2674 42:186 44:6 46:1800
47:2 49:624 50:676 52:12 54:30 55:6
57:27 58:1142 59:590 60:307 61:1455 62:1038
63:2053 64:4310 65:2181 66:4325 67:2074 68:1127
69:3243 70:872 71:532 72:1955 74:2571 75:415
76:295 77:1104 78:1058 79:581 80:1233 81:983
82:612 83:569 84:520 85:1153 86:465 87:975
88:528 89:1801 90:281 91:5475 92:622 93:1710
94:1846 95:1724 96:517 97:342 98:1053 99:41
100:29 101:317 103:2478 105:488 106:143 107:209
108:516 109:1855 110:861 111:1039 112:504 113:782
114:694 115:1013 116:878 117:798 118:1034 119:1271
120:397 121:824 122:1743 123:1194 124:1333 125:1330
128:634 129:223 130:323 131:650 132:338 133:149
134:260 135:64 136:223 137:249 138:344 139:186
140:199 141:317 142:542 143:376 144:487 145:91
146:503 147:383 148:692 149:369 150:164 151:531
152:419 153:194 154:44 155:392 156:263 157:393
158:276 159:727 160:338 161:426 162:385 163:202
164:584 165:447 166:335 167:577 168:1030 169:133
170:1025 171:175 172:5 173:1607 174:587 175:454
176:1240 177:1870 178:1825 179:3 180:1400 181:397
182:1139 183:372 184:666 185:379 186:2303 187:1246
188:2017 189:1303 190:6200 192:6521 193:5827 194:4660
195:3483 196:1327 197:831 198:4332 199:5294 200:5861
201:2413 202:8865 203:8761 204:4530 205:2558 206:2818
207:2835 208:4065 209:3579 210:2943 211:1566 212:2033
213:1905 214:912 215:96 216:5194 217:1573 218:619
219:346 220:1273 221:548 222:313 223:449
End of report