Routing Table Report 04:00 +10GMT Sun 28 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 452288
Prefixes after maximum aggregation: 184905
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223199
Total ASes present in the Internet Routing Table: 43955
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34548
Origin ASes announcing only one prefix: 16084
Transit ASes present in the Internet Routing Table: 5806
Transit-only ASes present in the Internet Routing Table: 144
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: 316
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 4742
Number of 32-bit ASNs visible in the Routing Table: 3601
Prefixes from 32-bit ASNs in the Routing Table: 10173
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 193
Number of addresses announced to Internet: 2615664748
Equivalent to 155 /8s, 231 /16s and 224 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
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: 159456
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108371
Total APNIC prefixes after maximum aggregation: 33419
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109622
Unique aggregates announced from the APNIC address blocks: 44568
APNIC Region origin ASes present in the Internet Routing Table: 4835
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 4.7
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: 720959712
Equivalent to 42 /8s, 248 /16s and 248 /24s
Percentage of available APNIC address space announced: 84.3
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: 158893
Total ARIN prefixes after maximum aggregation: 79923
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159536
Unique aggregates announced from the ARIN address blocks: 72868
ARIN Region origin ASes present in the Internet Routing Table: 15660
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5955
ARIN Region transit ASes present in the Internet Routing Table: 1624
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: 1062946176
Equivalent to 63 /8s, 91 /16s and 69 /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: 116841
Total RIPE prefixes after maximum aggregation: 59596
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120367
Unique aggregates announced from the RIPE address blocks: 77353
RIPE Region origin ASes present in the Internet Routing Table: 17153
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2795
Average RIPE Region AS path length visible: 5.1
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: 656959716
Equivalent to 39 /8s, 40 /16s and 104 /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: 47453
Total LACNIC prefixes after maximum aggregation: 9426
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 51489
Unique aggregates announced from the LACNIC address blocks: 24393
LACNIC Region origin ASes present in the Internet Routing Table: 1915
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 570
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: 760
Number of LACNIC addresses announced to Internet: 128049704
Equivalent to 7 /8s, 161 /16s and 226 /24s
Percentage of available LACNIC address space announced: 76.3
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: 10473
Total AfriNIC prefixes after maximum aggregation: 2500
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 11081
Unique aggregates announced from the AfriNIC address blocks: 3839
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.90
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 131
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46349824
Equivalent to 2 /8s, 195 /16s and 62 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2950 11558 922 Korea Telecom (KIX)
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1886 320 107 TPG Internet Pty Ltd
4755 1721 390 190 TATA Communications formerly
9829 1497 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1116 2109 327 CNCGROUP IP network: China169
9498 1092 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 3033 3694 86 bellsouth.net, inc.
7029 2151 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1605 1138 397 Time Warner Telecom
30036 1341 298 652 Mediacom Communications Corp
7018 1315 10805 850 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 1779 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
12479 839 785 66 Uni2 Autonomous System
13188 834 99 70 Educational Network
20940 824 286 655 Akamai Technologies European
31148 797 41 21 FreeNet ISP
6830 775 2376 446 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 2697 1468 102 NET Servicos de Comunicao S.A
10620 2384 413 215 TVCABLE BOGOTA
7303 1684 1154 215 Telecom Argentina Stet-France
8151 1235 2692 397 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 908 780 19 Global Village Telecom
27947 815 88 94 Telconet S.A
11830 714 364 14 Instituto Costarricense de El
7738 698 1370 35 Telecomunicacoes da Bahia S.A
3816 696 306 85 Empresa Nacional de Telecomun
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 1286 80 4 MOBITEL
24863 704 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 404 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 223 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 179 527 21 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 3033 3694 86 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2697 1468 102 NET Servicos de Comunicao S.A
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2384 413 215 TVCABLE BOGOTA
7029 2151 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
7545 1886 320 107 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 2697 2595 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2384 2169 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2151 1939 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1990 1866 PaeTec Communications, Inc.
22773 1970 1845 Cox Communications, Inc.
7545 1886 1779 TPG Internet Pty Ltd
8402 1779 1763 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
128.0.55.0/24 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
/13:486 /14:885 /15:1567 /16:12688 /17:6635 /18:11112
/19:22029 /20:32022 /21:33958 /22:47090 /23:41923 /24:237496
/25:1342 /26:1660 /27:856 /28:43 /29:66 /30:18
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3033 bellsouth.net, inc.
7029 1610 2151 Windstream Communications Inc
8402 1483 1779 Corbina telecom
22773 1280 1970 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1215 1341 Mediacom Communications Corp
11492 1198 1239 Cable One
1785 1060 1990 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)
----------------------------------------------
1:775 2:752 3:3 4:15 5:875 6:5
8:548 12:1917 13:3 14:776 15:11 16:3
17:9 20:18 23:274 24:1764 27:1495 31:1257
32:43 33:2 34:5 36:44 37:1802 38:867
39:2 40:171 41:2769 42:185 44:6 46:1874
47:2 49:629 50:686 52:12 54:32 55:8
57:27 58:1141 59:566 60:308 61:1388 62:1034
63:2036 64:4316 65:2174 66:4323 67:2068 68:1119
69:3248 70:874 71:536 72:1954 74:2552 75:416
76:289 77:1112 78:1054 79:584 80:1243 81:985
82:618 83:570 84:523 85:1169 86:463 87:978
88:527 89:1802 90:280 91:5503 92:623 93:1719
94:1856 95:1539 96:522 97:342 98:1050 99:41
100:29 101:318 103:2505 105:520 106:144 107:209
108:517 109:1839 110:861 111:1046 112:500 113:785
114:701 115:937 116:886 117:798 118:1042 119:1267
120:404 121:721 122:1756 123:1232 124:1337 125:1336
128:630 129:223 130:324 131:654 132:340 133:149
134:259 135:64 136:223 137:249 138:346 139:196
140:206 141:323 142:549 143:380 144:490 145:92
146:509 147:382 148:692 149:370 150:161 151:537
152:419 153:195 154:39 155:395 156:264 157:393
158:275 159:724 160:338 161:425 162:408 163:206
164:587 165:450 166:312 167:580 168:1029 169:133
170:1025 171:177 172:5 173:1604 174:586 175:462
176:1277 177:1886 178:1834 179:4 180:1412 181:412
182:1146 183:385 184:671 185:395 186:2291 187:1314
188:2046 189:1379 190:6184 192:6555 193:5842 194:4656
195:3490 196:1317 197:946 198:4389 199:5283 200:5906
201:2395 202:8881 203:8791 204:4509 205:2558 206:2844
207:2856 208:4056 209:3612 210:2942 211:1552 212:2042
213:1900 214:918 215:98 216:5234 217:1571 218:619
219:330 220:1273 221:554 222:317 223:444
End of report