Routing Table Report 04:00 +10GMT Mon 22 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450799
Prefixes after maximum aggregation: 184618
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222597
Total ASes present in the Internet Routing Table: 43891
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34510
Origin ASes announcing only one prefix: 16091
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 145
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: 363
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4730
Number of 32-bit ASNs visible in the Routing Table: 3585
Prefixes from 32-bit ASNs in the Routing Table: 10176
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 216
Number of addresses announced to Internet: 2613870156
Equivalent to 155 /8s, 204 /16s and 126 /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: 158910
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108402
Total APNIC prefixes after maximum aggregation: 33454
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109649
Unique aggregates announced from the APNIC address blocks: 44599
APNIC Region origin ASes present in the Internet Routing Table: 4828
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: 817
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 501
Number of APNIC addresses announced to Internet: 720838336
Equivalent to 42 /8s, 247 /16s and 30 /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: 158291
Total ARIN prefixes after maximum aggregation: 79782
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158921
Unique aggregates announced from the ARIN address blocks: 72633
ARIN Region origin ASes present in the Internet Routing Table: 15655
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5969
ARIN Region transit ASes present in the Internet Routing Table: 1620
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: 1062648960
Equivalent to 63 /8s, 86 /16s and 188 /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: 116664
Total RIPE prefixes after maximum aggregation: 59464
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120270
Unique aggregates announced from the RIPE address blocks: 77193
RIPE Region origin ASes present in the Internet Routing Table: 17137
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2789
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: 2303
Number of RIPE addresses announced to Internet: 656602084
Equivalent to 39 /8s, 34 /16s and 243 /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: 46985
Total LACNIC prefixes after maximum aggregation: 9380
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 51028
Unique aggregates announced from the LACNIC address blocks: 24137
LACNIC Region origin ASes present in the Internet Routing Table: 1896
LACNIC Prefixes per ASN: 26.91
LACNIC Region origin ASes announcing only one prefix: 563
LACNIC Region transit ASes present in the Internet Routing Table: 352
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: 756
Number of LACNIC addresses announced to Internet: 127150888
Equivalent to 7 /8s, 148 /16s and 43 /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: 10148
Total AfriNIC prefixes after maximum aggregation: 2490
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 10715
Unique aggregates announced from the AfriNIC address blocks: 3834
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.37
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 46189312
Equivalent to 2 /8s, 192 /16s and 203 /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 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 109 TPG Internet Pty Ltd
4755 1735 392 198 TATA Communications formerly
9829 1512 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1169 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 1316 10807 853 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 1871 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
13188 862 99 33 Educational Network
12479 845 786 66 Uni2 Autonomous System
20940 818 286 652 Akamai Technologies European
31148 794 41 22 FreeNet ISP
8551 762 370 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 2632 1452 96 NET Servicos de Comunicao S.A
10620 2374 411 217 TVCABLE BOGOTA
7303 1676 1153 211 Telecom Argentina Stet-France
8151 1234 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 726 364 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 360 956 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 2632 1452 96 NET Servicos de Comunicao S.A
17974 2512 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 2632 2536 NET Servicos de Comunicao S.A
17974 2512 2422 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.
8402 1871 1855 Corbina telecom
1785 1974 1852 PaeTec Communications, Inc.
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 /14:885 /15:1563 /16:12693 /17:6601 /18:10924
/19:21851 /20:31982 /21:33831 /22:46850 /23:41846 /24:236840
/25:1365 /26:1671 /27:864 /28:44 /29:69 /30:22
/31:0 /32:18
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 1572 1871 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 2:796 3:3 4:15 5:857 6:5
8:543 12:1919 13:3 14:774 15:11 16:3
17:9 20:18 23:271 24:1768 27:1468 31:1210
32:43 33:2 34:5 36:44 37:1816 38:862
39:2 40:169 41:2661 42:186 44:6 46:1801
47:2 49:624 50:674 52:12 54:30 55:4
57:27 58:1141 59:588 60:307 61:1455 62:1017
63:2054 64:4315 65:2182 66:4327 67:2074 68:1115
69:3245 70:871 71:531 72:1955 74:2577 75:415
76:295 77:1104 78:1055 79:580 80:1233 81:987
82:615 83:569 84:520 85:1170 86:464 87:975
88:524 89:1802 90:281 91:5471 92:623 93:1721
94:1847 95:1732 96:515 97:342 98:1053 99:41
100:29 101:318 103:2483 105:488 106:143 107:209
108:516 109:1847 110:861 111:1050 112:504 113:783
114:696 115:1013 116:881 117:799 118:1033 119:1264
120:400 121:823 122:1743 123:1187 124:1333 125:1329
128:635 129:223 130:323 131:651 132:340 133:149
134:259 135:64 136:223 137:244 138:343 139:188
140:194 141:319 142:542 143:375 144:487 145:91
146:506 147:382 148:692 149:370 150:163 151:531
152:419 153:194 154:44 155:389 156:263 157:393
158:276 159:727 160:338 161:426 162:385 163:203
164:584 165:448 166:335 167:577 168:1030 169:133
170:1025 171:175 172:5 173:1607 174:586 175:454
176:1264 177:1827 178:1826 179:3 180:1403 181:398
182:1136 183:372 184:666 185:385 186:2286 187:1231
188:2014 189:1280 190:6247 192:6512 193:5831 194:4660
195:3485 196:1313 197:830 198:4337 199:5296 200:5920
201:2413 202:8874 203:8754 204:4505 205:2558 206:2816
207:2836 208:4066 209:3585 210:2944 211:1568 212:2037
213:1895 214:908 215:96 216:5194 217:1574 218:619
219:346 220:1273 221:548 222:313 223:448
End of report