Routing Table Report 04:00 +10GMT Fri 26 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 451753
Prefixes after maximum aggregation: 184850
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222937
Total ASes present in the Internet Routing Table: 43921
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34525
Origin ASes announcing only one prefix: 16095
Transit ASes present in the Internet Routing Table: 5807
Transit-only ASes present in the Internet Routing Table: 146
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: 320
Unregistered ASNs in the Routing Table: 134
Number of 32-bit ASNs allocated by the RIRs: 4739
Number of 32-bit ASNs visible in the Routing Table: 3589
Prefixes from 32-bit ASNs in the Routing Table: 10094
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 200
Number of addresses announced to Internet: 2614532684
Equivalent to 155 /8s, 214 /16s and 154 /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: 158896
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108620
Total APNIC prefixes after maximum aggregation: 33432
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109872
Unique aggregates announced from the APNIC address blocks: 44537
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1232
APNIC Region transit ASes present in the Internet Routing Table: 814
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 509
Number of APNIC addresses announced to Internet: 720773056
Equivalent to 42 /8s, 246 /16s and 31 /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: 158766
Total ARIN prefixes after maximum aggregation: 79892
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159435
Unique aggregates announced from the ARIN address blocks: 72851
ARIN Region origin ASes present in the Internet Routing Table: 15660
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5964
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: 17
Number of ARIN addresses announced to Internet: 1063121024
Equivalent to 63 /8s, 93 /16s and 240 /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: 116789
Total RIPE prefixes after maximum aggregation: 59543
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120316
Unique aggregates announced from the RIPE address blocks: 77139
RIPE Region origin ASes present in the Internet Routing Table: 17146
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2799
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: 2308
Number of RIPE addresses announced to Internet: 656629220
Equivalent to 39 /8s, 35 /16s and 93 /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: 47229
Total LACNIC prefixes after maximum aggregation: 9439
LACNIC Deaggregation factor: 5.00
Prefixes being announced from the LACNIC address blocks: 51174
Unique aggregates announced from the LACNIC address blocks: 24357
LACNIC Region origin ASes present in the Internet Routing Table: 1897
LACNIC Prefixes per ASN: 26.98
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 351
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: 749
Number of LACNIC addresses announced to Internet: 127230504
Equivalent to 7 /8s, 149 /16s and 98 /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: 10167
Total AfriNIC prefixes after maximum aggregation: 2504
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 10756
Unique aggregates announced from the AfriNIC address blocks: 3868
AfriNIC Region origin ASes present in the Internet Routing Table: 618
AfriNIC Prefixes per ASN: 17.40
AfriNIC Region origin ASes announcing only one prefix: 188
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: 46367488
Equivalent to 2 /8s, 195 /16s and 131 /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 2951 11557 922 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1888 320 109 TPG Internet Pty Ltd
4755 1738 392 198 TATA Communications formerly
9829 1507 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1174 1064 12 Vietel Corporation
4808 1114 2110 326 CNCGROUP IP network: China169
9498 1084 310 73 BHARTI Airtel Ltd.
24560 1071 384 165 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 3036 3694 86 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1985 677 124 PaeTec Communications, Inc.
22773 1971 2929 125 Cox Communications, Inc.
20115 1668 1610 613 Charter Communications
4323 1608 1139 398 Time Warner Telecom
30036 1352 299 655 Mediacom Communications Corp
7018 1317 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 1868 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
12479 840 785 66 Uni2 Autonomous System
13188 833 98 71 Educational Network
20940 823 286 654 Akamai Technologies European
31148 792 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 2670 1456 99 NET Servicos de Comunicao S.A
10620 2381 413 215 TVCABLE BOGOTA
7303 1679 1153 214 Telecom Argentina Stet-France
8151 1236 2692 395 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 863 718 21 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 682 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 386 956 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 182 12 19 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 3036 3694 86 bellsouth.net, inc.
4766 2951 11557 922 Korea Telecom (KIX)
28573 2670 1456 99 NET Servicos de Comunicao S.A
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2381 413 215 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1985 677 124 PaeTec Communications, Inc.
22773 1971 2929 125 Cox Communications, Inc.
7545 1888 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 2670 2571 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2381 2166 TVCABLE BOGOTA
4766 2951 2029 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1985 1861 PaeTec Communications, Inc.
8402 1868 1852 Corbina telecom
22773 1971 1846 Cox Communications, Inc.
7545 1888 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
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 /9:13 /10:29 /11:88 /12:249
/13:485 /14:885 /15:1566 /16:12691 /17:6627 /18:11056
/19:21947 /20:32009 /21:33909 /22:46941 /23:41823 /24:237406
/25:1348 /26:1663 /27:856 /28:44 /29:65 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1741 3036 bellsouth.net, inc.
7029 1611 2174 Windstream Communications Inc
8402 1569 1868 Corbina telecom
22773 1280 1971 Cox Communications, Inc.
30036 1226 1352 Mediacom Communications Corp
11492 1198 1239 Cable One
36998 1131 1137 MOBITEL
1785 1056 1985 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)
----------------------------------------------
1:781 2:793 3:3 4:15 5:874 6:5
8:551 12:1916 13:3 14:775 15:11 16:3
17:9 20:18 23:273 24:1765 27:1476 31:1203
32:43 33:2 34:5 36:41 37:1800 38:867
39:2 40:171 41:2662 42:186 44:6 46:1817
47:2 49:629 50:682 52:12 54:30 55:9
57:27 58:1139 59:587 60:308 61:1453 62:1033
63:2040 64:4313 65:2178 66:4320 67:2073 68:1118
69:3249 70:874 71:536 72:1956 74:2558 75:416
76:296 77:1110 78:1052 79:583 80:1257 81:980
82:617 83:570 84:523 85:1169 86:459 87:980
88:527 89:1795 90:281 91:5489 92:623 93:1724
94:1835 95:1577 96:521 97:343 98:1052 99:41
100:29 101:317 103:2505 105:488 106:143 107:209
108:516 109:1831 110:864 111:1045 112:502 113:783
114:700 115:1008 116:892 117:797 118:1045 119:1267
120:403 121:826 122:1758 123:1227 124:1327 125:1333
128:634 129:223 130:324 131:655 132:340 133:149
134:254 135:64 136:224 137:249 138:344 139:194
140:206 141:322 142:545 143:379 144:490 145:92
146:508 147:394 148:692 149:370 150:165 151:532
152:419 153:195 154:44 155:399 156:264 157:394
158:275 159:721 160:336 161:423 162:404 163:207
164:587 165:450 166:334 167:580 168:1032 169:133
170:1025 171:176 172:5 173:1610 174:589 175:461
176:1274 177:1811 178:1828 179:3 180:1408 181:405
182:1144 183:374 184:671 185:396 186:2274 187:1311
188:2013 189:1367 190:6235 192:6541 193:5836 194:4651
195:3637 196:1319 197:841 198:4382 199:5277 200:5906
201:2405 202:8876 203:8764 204:4521 205:2564 206:2832
207:2831 208:4058 209:3587 210:2956 211:1552 212:2039
213:1901 214:926 215:98 216:5215 217:1574 218:619
219:347 220:1274 221:553 222:317 223:444
End of report