This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats(a)lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>.
Routing Table Report 04:00 +10GMT Sat 27 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 452463
Prefixes after maximum aggregation: 184927
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223134
Total ASes present in the Internet Routing Table: 43963
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34555
Origin ASes announcing only one prefix: 16096
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 147
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: 3599
Prefixes from 32-bit ASNs in the Routing Table: 10189
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2615429996
Equivalent to 155 /8s, 228 /16s and 75 /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: 159320
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108746
Total APNIC prefixes after maximum aggregation: 33420
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109994
Unique aggregates announced from the APNIC address blocks: 44571
APNIC Region origin ASes present in the Internet Routing Table: 4837
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1228
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: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 509
Number of APNIC addresses announced to Internet: 720942304
Equivalent to 42 /8s, 248 /16s and 180 /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: 158813
Total ARIN prefixes after maximum aggregation: 79935
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159458
Unique aggregates announced from the ARIN address blocks: 72851
ARIN Region origin ASes present in the Internet Routing Table: 15671
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5971
ARIN Region transit ASes present in the Internet Routing Table: 1626
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: 1063168896
Equivalent to 63 /8s, 94 /16s and 171 /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: 116767
Total RIPE prefixes after maximum aggregation: 59562
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120320
Unique aggregates announced from the RIPE address blocks: 77310
RIPE Region origin ASes present in the Internet Routing Table: 17150
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2794
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: 656946660
Equivalent to 39 /8s, 40 /16s and 53 /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: 47383
Total LACNIC prefixes after maximum aggregation: 9451
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 51423
Unique aggregates announced from the LACNIC address blocks: 24391
LACNIC Region origin ASes present in the Internet Routing Table: 1912
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 354
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: 127623720
Equivalent to 7 /8s, 155 /16s and 98 /24s
Percentage of available LACNIC address space announced: 76.1
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: 10481
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 11069
Unique aggregates announced from the AfriNIC address blocks: 3827
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 186
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: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46315264
Equivalent to 2 /8s, 194 /16s and 183 /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 1888 320 109 TPG Internet Pty Ltd
4755 1739 392 198 TATA Communications formerly
9829 1504 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1117 2110 326 CNCGROUP IP network: China169
9498 1088 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 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1342 298 652 Mediacom Communications Corp
7018 1314 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 1802 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 815 285 650 Akamai Technologies European
31148 797 41 21 FreeNet ISP
6830 775 2376 446 UPC Distribution Services
8551 764 370 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 2700 1468 102 NET Servicos de Comunicao S.A
10620 2383 413 215 TVCABLE BOGOTA
7303 1681 1154 214 Telecom Argentina Stet-France
8151 1236 2692 395 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 906 780 19 Global Village Telecom
27947 815 88 94 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 1286 80 4 MOBITEL
24863 702 274 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 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 181 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 3033 3694 86 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2700 1468 102 NET Servicos de Comunicao S.A
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2383 413 215 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 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 2700 2598 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2383 2168 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1989 1865 PaeTec Communications, Inc.
22773 1970 1845 Cox Communications, Inc.
8402 1802 1786 Corbina telecom
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
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 /15:1566 /16:12687 /17:6635 /18:11105
/19:21997 /20:32039 /21:33962 /22:47079 /23:41918 /24:237699
/25:1343 /26:1662 /27:857 /28:45 /29:66 /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 1738 3033 bellsouth.net, inc.
7029 1611 2174 Windstream Communications Inc
8402 1500 1802 Corbina telecom
22773 1280 1970 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1216 1342 Mediacom Communications Corp
11492 1198 1239 Cable One
1785 1060 1989 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 2:757 3:3 4:15 5:876 6:5
8:550 12:1918 13:3 14:773 15:11 16:3
17:9 20:18 23:273 24:1763 27:1489 31:1249
32:43 33:2 34:5 36:44 37:1801 38:867
39:2 40:171 41:2767 42:186 44:6 46:1874
47:2 49:629 50:685 52:12 54:32 55:9
57:27 58:1139 59:588 60:308 61:1453 62:1032
63:2040 64:4314 65:2178 66:4312 67:2058 68:1118
69:3248 70:873 71:536 72:1956 74:2550 75:416
76:289 77:1112 78:1052 79:583 80:1242 81:984
82:618 83:569 84:523 85:1169 86:463 87:978
88:526 89:1807 90:280 91:5504 92:618 93:1730
94:1837 95:1542 96:521 97:343 98:1051 99:41
100:29 101:318 103:2509 105:520 106:143 107:209
108:517 109:1839 110:864 111:1046 112:503 113:785
114:699 115:1012 116:890 117:798 118:1058 119:1268
120:404 121:826 122:1757 123:1231 124:1334 125:1331
128:638 129:223 130:324 131:654 132:340 133:149
134:254 135:64 136:224 137:249 138:346 139:197
140:206 141:322 142:546 143:377 144:488 145:92
146:507 147:389 148:694 149:370 150:166 151:533
152:419 153:195 154:39 155:394 156:265 157:394
158:275 159:722 160:337 161:423 162:406 163:207
164:587 165:450 166:334 167:580 168:1032 169:133
170:1026 171:177 172:5 173:1603 174:589 175:462
176:1277 177:1856 178:1834 179:4 180:1412 181:409
182:1144 183:373 184:672 185:395 186:2295 187:1326
188:2047 189:1376 190:6164 192:6547 193:5838 194:4650
195:3492 196:1316 197:941 198:4391 199:5280 200:5899
201:2407 202:8882 203:8790 204:4518 205:2559 206:2843
207:2857 208:4053 209:3613 210:2953 211:1552 212:2043
213:1900 214:914 215:98 216:5199 217:1572 218:617
219:347 220:1273 221:554 222:317 223:443
End of report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats(a)lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>.
Routing Table Report 04:00 +10GMT Sat 20 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450189
Prefixes after maximum aggregation: 184599
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222556
Total ASes present in the Internet Routing Table: 43876
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34506
Origin ASes announcing only one prefix: 16073
Transit ASes present in the Internet Routing Table: 5787
Transit-only ASes present in the Internet Routing Table: 142
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: 358
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4729
Number of 32-bit ASNs visible in the Routing Table: 3583
Prefixes from 32-bit ASNs in the Routing Table: 10155
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2613629004
Equivalent to 155 /8s, 200 /16s and 208 /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: 158679
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108086
Total APNIC prefixes after maximum aggregation: 33445
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109312
Unique aggregates announced from the APNIC address blocks: 44563
APNIC Region origin ASes present in the Internet Routing Table: 4821
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1215
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: 720782272
Equivalent to 42 /8s, 246 /16s and 67 /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: 158276
Total ARIN prefixes after maximum aggregation: 79767
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158919
Unique aggregates announced from the ARIN address blocks: 72644
ARIN Region origin ASes present in the Internet Routing Table: 15649
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5959
ARIN Region transit ASes present in the Internet Routing Table: 1615
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: 1062822272
Equivalent to 63 /8s, 89 /16s and 97 /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: 116470
Total RIPE prefixes after maximum aggregation: 59453
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120053
Unique aggregates announced from the RIPE address blocks: 77159
RIPE Region origin ASes present in the Internet Routing Table: 17133
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2788
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: 656501988
Equivalent to 39 /8s, 33 /16s and 108 /24s
Percentage of available RIPE address space announced: 95.4
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: 46912
Total LACNIC prefixes after maximum aggregation: 9395
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 50936
Unique aggregates announced from the LACNIC address blocks: 24154
LACNIC Region origin ASes present in the Internet Routing Table: 1903
LACNIC Prefixes per ASN: 26.77
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 355
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: 126871336
Equivalent to 7 /8s, 143 /16s and 231 /24s
Percentage of available LACNIC address space announced: 75.6
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: 10162
Total AfriNIC prefixes after maximum aggregation: 2491
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 10749
Unique aggregates announced from the AfriNIC address blocks: 3831
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: 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: 46191872
Equivalent to 2 /8s, 192 /16s and 213 /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 2514 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 109 TPG Internet Pty Ltd
4755 1738 392 198 TATA Communications formerly
9829 1509 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 1067 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 1983 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1612 612 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1344 297 657 Mediacom Communications Corp
7018 1315 10807 854 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 1793 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1152 235 206 BILISIM TELEKOM
13188 875 99 39 Educational Network
12479 844 786 66 Uni2 Autonomous System
20940 819 286 652 Akamai Technologies European
31148 794 41 22 FreeNet ISP
6830 753 2318 440 UPC Distribution Services
8551 676 370 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 2620 1451 99 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 1067 435 68 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 361 956 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 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 3037 3694 87 bellsouth.net, inc.
4766 2952 11557 922 Korea Telecom (KIX)
28573 2620 1451 99 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 1983 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 2620 2521 NET Servicos de Comunicao S.A
17974 2514 2424 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
22773 1983 1858 Cox Communications, Inc.
1785 1974 1852 PaeTec Communications, Inc.
7545 1887 1778 TPG Internet Pty Ltd
8402 1793 1777 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
/13:485 /14:884 /15:1562 /16:12691 /17:6597 /18:10920
/19:21837 /20:31936 /21:33796 /22:46730 /23:41690 /24:236619
/25:1366 /26:1666 /27:861 /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 1497 1793 Corbina telecom
22773 1291 1983 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)
----------------------------------------------
1:774 2:750 3:3 4:15 5:863 6:5
8:542 12:1916 13:3 14:772 15:11 16:3
17:9 20:18 23:271 24:1769 27:1468 31:1214
32:43 33:2 34:5 36:44 37:1816 38:862
39:2 40:169 41:2683 42:178 44:6 46:1797
47:2 49:625 50:676 52:12 54:30 55:6
57:27 58:1140 59:589 60:306 61:1458 62:1037
63:2054 64:4309 65:2182 66:4327 67:2076 68:1127
69:3243 70:872 71:532 72:1956 74:2575 75:414
76:295 77:1103 78:1057 79:571 80:1233 81:983
82:606 83:569 84:515 85:1162 86:464 87:972
88:527 89:1798 90:281 91:5481 92:622 93:1712
94:1846 95:1726 96:517 97:342 98:1053 99:41
100:29 101:315 103:2476 105:488 106:143 107:206
108:515 109:1832 110:861 111:1053 112:505 113:785
114:694 115:1014 116:877 117:799 118:1026 119:1273
120:397 121:824 122:1741 123:1195 124:1333 125:1269
128:632 129:223 130:323 131:653 132:340 133:149
134:260 135:64 136:223 137:247 138:343 139:186
140:199 141:317 142:542 143:374 144:486 145:91
146:503 147:384 148:695 149:369 150:163 151:527
152:419 153:194 154:44 155:391 156:262 157:394
158:269 159:722 160:338 161:425 162:385 163:202
164:584 165:448 166:335 167:577 168:1030 169:133
170:1024 171:174 172:5 173:1608 174:589 175:455
176:1248 177:1858 178:1824 179:3 180:1402 181:386
182:1138 183:372 184:665 185:378 186:2310 187:1270
188:2019 189:1310 190:6098 192:6520 193:5830 194:4655
195:3484 196:1327 197:831 198:4333 199:5292 200:5919
201:2370 202:8870 203:8758 204:4523 205:2554 206:2822
207:2834 208:4073 209:3580 210:2943 211:1566 212:2027
213:1899 214:919 215:98 216:5192 217:1558 218:619
219:346 220:1273 221:548 222:313 223:448
End of report
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats(a)lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>.
Routing Table Report 04:00 +10GMT Sat 13 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450537
Prefixes after maximum aggregation: 184360
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222129
Total ASes present in the Internet Routing Table: 43823
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34458
Origin ASes announcing only one prefix: 16077
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 375
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 4720
Number of 32-bit ASNs visible in the Routing Table: 3569
Prefixes from 32-bit ASNs in the Routing Table: 10153
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 212
Number of addresses announced to Internet: 2612870220
Equivalent to 155 /8s, 189 /16s and 60 /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: 159211
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108096
Total APNIC prefixes after maximum aggregation: 33356
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109305
Unique aggregates announced from the APNIC address blocks: 44363
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.68
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 493
Number of APNIC addresses announced to Internet: 720693952
Equivalent to 42 /8s, 244 /16s and 234 /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: 157854
Total ARIN prefixes after maximum aggregation: 79682
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158545
Unique aggregates announced from the ARIN address blocks: 72575
ARIN Region origin ASes present in the Internet Routing Table: 15633
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5945
ARIN Region transit ASes present in the Internet Routing Table: 1614
Average ARIN Region AS path length visible: 4.2
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: 1062493824
Equivalent to 63 /8s, 84 /16s and 94 /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: 116555
Total RIPE prefixes after maximum aggregation: 59393
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120091
Unique aggregates announced from the RIPE address blocks: 77021
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: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2805
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: 2294
Number of RIPE addresses announced to Internet: 656281316
Equivalent to 39 /8s, 30 /16s and 14 /24s
Percentage of available RIPE address space announced: 95.4
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: 47674
Total LACNIC prefixes after maximum aggregation: 9391
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51709
Unique aggregates announced from the LACNIC address blocks: 24114
LACNIC Region origin ASes present in the Internet Routing Table: 1889
LACNIC Prefixes per ASN: 27.37
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: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 757
Number of LACNIC addresses announced to Internet: 126775336
Equivalent to 7 /8s, 142 /16s and 112 /24s
Percentage of available LACNIC address space announced: 75.6
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: 10065
Total AfriNIC prefixes after maximum aggregation: 2490
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 10675
Unique aggregates announced from the AfriNIC address blocks: 3859
AfriNIC Region origin ASes present in the Internet Routing Table: 614
AfriNIC Prefixes per ASN: 17.39
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 46187264
Equivalent to 2 /8s, 192 /16s and 195 /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 2957 11557 923 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1884 320 109 TPG Internet Pty Ltd
4755 1734 392 198 TATA Communications formerly
9829 1511 1205 40 BSNL National Internet Backbo
9583 1283 98 538 Sify Limited
7552 1171 1066 12 Vietel Corporation
4808 1121 2109 325 CNCGROUP IP network: China169
9498 1070 310 73 BHARTI Airtel Ltd.
24560 1066 385 163 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 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1611 611 Charter Communications
4323 1608 1139 397 Time Warner Telecom
30036 1340 296 658 Mediacom Communications Corp
7018 1316 10807 856 AT&T WorldNet Services
11492 1218 224 333 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 1840 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1145 234 207 BILISIM TELEKOM
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 822 288 652 Akamai Technologies European
31148 793 41 21 FreeNet ISP
6830 752 2318 442 UPC Distribution Services
8551 734 368 56 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 2601 1433 98 NET Servicos de Comunicao S.A
10620 2361 409 223 TVCABLE BOGOTA
7303 1674 1153 211 Telecom Argentina Stet-France
8151 1228 2684 404 UniNet S.A. de C.V.
6503 1151 435 68 AVANTEL, S.A.
14754 1119 153 37 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 809 88 97 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 695 306 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 1137 80 4 MOBITEL
24863 691 274 33 LINKdotNET AS number
6713 543 617 25 Itissalat Al-MAGHRIB
8452 353 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 184 696 90 MTN Network Solutions
33776 167 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 3037 3694 87 bellsouth.net, inc.
4766 2957 11557 923 Korea Telecom (KIX)
28573 2601 1433 98 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2361 409 223 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1884 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 2601 2503 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2361 2138 TVCABLE BOGOTA
4766 2957 2034 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
22773 2013 1888 Cox Communications, Inc.
18566 2068 1884 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1840 1824 Corbina telecom
7545 1884 1775 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
128.0.56.0/24 60996 Visionware SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
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 /12:248
/13:485 /14:884 /15:1558 /16:12677 /17:6608 /18:10914
/19:21813 /20:31911 /21:33781 /22:46684 /23:41774 /24:236885
/25:1390 /26:1771 /27:862 /28:45 /29:67 /30:15
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3037 bellsouth.net, inc.
7029 1613 2174 Windstream Communications Inc
8402 1537 1840 Corbina telecom
22773 1318 2013 Cox Communications, Inc.
30036 1217 1340 Mediacom Communications Corp
11492 1179 1218 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)
----------------------------------------------
1:767 2:796 3:3 4:15 5:861 6:4
8:542 12:1920 13:3 14:769 15:11 16:3
17:9 20:19 23:257 24:1776 27:1451 31:1207
32:42 33:2 34:5 36:43 37:1798 38:861
39:2 40:169 41:2626 42:185 44:6 46:1789
47:2 49:619 50:676 52:12 54:30 55:9
57:27 58:1108 59:588 60:305 61:1446 62:992
63:2033 64:4287 65:2183 66:4294 67:2066 68:1119
69:3252 70:876 71:529 72:1917 74:2565 75:411
76:294 77:1096 78:1040 79:590 80:1235 81:976
82:613 83:579 84:589 85:1165 86:471 87:964
88:527 89:1806 90:281 91:5489 92:614 93:1718
94:1871 95:1610 96:503 97:340 98:1050 99:41
100:29 101:311 103:2412 105:488 106:135 107:207
108:515 109:1783 110:851 111:1046 112:501 113:783
114:689 115:1014 116:876 117:778 118:1016 119:1249
120:389 121:817 122:1730 123:1176 124:1332 125:1328
128:635 129:226 130:332 131:654 132:336 133:148
134:258 135:62 136:222 137:248 138:344 139:185
140:199 141:317 142:542 143:372 144:485 145:93
146:510 147:384 148:697 149:366 150:163 151:528
152:419 153:194 154:44 155:395 156:259 157:394
158:267 159:717 160:337 161:424 162:379 163:202
164:575 165:450 166:336 167:578 168:1026 169:133
170:1025 171:174 172:5 173:1609 174:580 175:445
176:1233 177:1842 178:1808 179:2 180:1394 181:378
182:1130 183:374 184:662 185:354 186:2449 187:1255
188:2007 189:1361 190:6606 192:6488 193:5833 194:4646
195:3643 196:1333 197:826 198:4322 199:5280 200:6034
201:2373 202:8860 203:8755 204:4518 205:2553 206:2822
207:2833 208:4065 209:3561 210:2928 211:1565 212:2025
213:1917 214:943 215:98 216:5212 217:1575 218:624
219:347 220:1270 221:547 222:314 223:443
End of report
The IANA AS Numbers registry has been updated to reflect the allocation
of 1 block to LACNIC in 2013-04-08:
61440-62463
You can find the IANA AS Numbers registry at:
http://www.iana.org/assignments/as-numbers/as-numbers.xml
Regards,
Selina Harrington
IANA Request Specialist
ICANN