IP Tracker

AS1540

Headquarters, USAISC

USUnknown2026-09-16

Announced prefixes 1000+

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24144.245.116.0/24144.245.117.0/24144.245.119.0/24144.245.120.0/24144.245.121.0/24144.245.122.0/24144.245.123.0/24144.245.124.0/24144.245.125.0/24144.245.126.0/24144.245.127.0/24144.245.128.0/24144.245.129.0/24144.245.130.0/24144.245.131.0/24144.245.132.0/24144.245.133.0/24144.245.134.0/23144.245.136.0/24144.245.192.0/23144.245.194.0/23144.245.196.0/24144.245.198.0/24144.245.199.0/24144.245.200.0/24144.245.201.0/24144.246.0.0/16144.246.190.0/24146.14.0.0/15146.15.185.0/24146.16.128.0/21146.16.152.0/24146.16.153.0/24146.53.0.0/16146.54.0.0/16146.55.22.0/24146.55.32.0/19146.55.125.0/24147.58.0.0/16147.58.130.0/24147.71.0.0/16147.71.110.0/24147.103.0.0/16147.104.90.0/23147.104.244.0/23147.164.0.0/16147.169.67.0/24147.198.0.0/16147.198.251.0/24147.216.7.0/24147.216.8.0/24147.216.9.0/24147.221.0.0/16147.238.0.0/16147.238.1.0/24147.240.0.0/16150.113.0.0/16150.113.125.0/24150.133.56.0/22150.149.32.0/22150.149.36.0/22150.149.56.0/24150.149.96.0/24150.149.128.0/19150.152.0.0/16150.177.0.0/16150.180.0.0/16150.180.252.0/24150.192.0.0/16150.192.1.0/24150.192.8.0/24150.192.32.0/24150.192.33.0/24150.192.34.0/24150.192.35.0/24150.192.36.0/24150.192.37.0/24150.192.44.0/24150.192.49.0/24150.192.50.0/23150.192.54.0/24150.192.60.0/23150.192.62.0/23150.192.70.0/23150.192.72.0/24150.192.92.0/24150.192.96.0/24150.192.99.0/24150.192.100.0/24150.192.101.0/24150.192.107.0/24150.192.112.0/23150.192.114.0/23150.192.116.0/23150.192.118.0/23150.192.120.0/23150.192.122.0/23150.192.124.0/23150.192.126.0/23150.192.130.0/23150.192.220.0/24150.192.230.0/24150.192.240.0/22150.193.0.0/16153.103.0.0/16155.8.193.0/24155.9.0.0/16155.19.0.0/21155.19.35.0/24155.19.44.0/24155.19.46.0/24155.19.47.0/24155.19.144.0/21155.19.154.0/24155.19.160.0/19155.20.136.0/22155.20.246.0/24155.20.249.0/24155.21.130.0/23155.21.130.0/24155.21.152.0/23155.21.164.0/23155.21.168.0/23155.21.170.0/23155.21.172.0/23155.21.174.0/23155.21.178.0/23155.21.186.0/24155.21.187.0/24155.21.188.0/23155.22.0.0/18155.22.64.0/19155.22.96.0/20155.22.112.0/21155.22.120.0/23155.22.125.0/24155.22.126.0/23155.26.98.0/23155.26.104.0/23155.26.196.0/24155.29.16.0/20155.29.40.0/23155.29.42.0/23155.29.44.0/24155.29.45.0/24155.29.46.0/24155.29.47.0/24155.29.56.0/21155.29.68.0/24155.29.69.0/24155.29.70.0/23155.29.72.0/23155.29.74.0/24155.29.78.0/24155.29.79.0/24155.29.80.0/23155.29.82.0/24155.29.83.0/24155.29.92.0/24155.29.94.0/24155.29.108.0/24155.29.109.0/24155.29.110.0/24155.29.112.0/23155.29.114.0/24155.29.115.0/24155.29.116.0/24155.29.117.0/24155.29.118.0/24155.29.119.0/24155.29.120.0/23155.29.122.0/24155.29.124.0/24155.29.125.0/24155.29.126.0/23155.29.128.0/24155.29.129.0/24155.29.132.0/24155.29.133.0/24155.29.134.0/24155.29.140.0/24155.29.143.0/24155.29.145.0/24155.29.151.0/24155.29.162.0/24155.29.163.0/24155.29.164.0/24155.29.165.0/24155.29.196.0/22155.29.200.0/21155.29.223.0/24155.29.241.0/24155.29.247.0/24155.30.48.0/24155.30.138.0/24155.150.0.0/16155.151.0.0/16155.151.6.0/24155.151.167.0/24155.152.0.0/17155.152.160.0/24155.152.217.0/24155.152.218.0/24155.152.253.0/24155.152.254.0/24155.153.0.0/16155.213.18.0/24155.213.19.0/24155.213.24.0/21155.213.240.0/21155.213.252.0/22155.214.0.0/17155.214.128.0/17155.215.0.0/16155.216.0.0/16155.217.0.0/16155.217.249.0/24155.218.16.0/23155.218.18.0/23155.218.20.0/23155.218.22.0/23155.218.144.0/24155.218.147.0/24155.218.148.0/24155.218.149.0/24155.218.151.0/24155.218.156.0/22155.218.176.0/24155.218.177.0/24155.218.180.0/22155.218.184.0/24155.218.186.0/24155.218.187.0/24155.218.196.0/24155.218.197.0/24155.219.0.0/16158.1.0.0/18158.1.120.0/24158.1.130.0/24158.1.132.0/24158.1.133.0/24158.1.135.0/24158.1.136.0/24158.1.137.0/24158.1.138.0/24158.2.0.0/16158.4.0.0/17158.4.128.0/17158.6.0.0/16158.7.0.0/16158.9.49.0/24158.9.94.0/24

Snapshot history

DateNameCountryClassPrefixes
2026-11-11Headquarters, USAISCUSUnknown2175
2026-11-10Headquarters, USAISCUSUnknown2179
2026-11-09Headquarters, USAISCUSUnknown2171
2026-11-08Headquarters, USAISCUSUnknown2173
2026-11-07Headquarters, USAISCUSUnknown2192
2026-11-06Headquarters, USAISCUSUnknown2187
2026-11-05Headquarters, USAISCUSUnknown2188
2026-11-04Headquarters, USAISCUSUnknown2236
2026-11-03Headquarters, USAISCUSUnknown2070
2026-11-02Headquarters, USAISCUSUnknown2043
2026-11-01Headquarters, USAISCUSUnknown2040
2026-10-31Headquarters, USAISCUSUnknown2063
2026-10-30Headquarters, USAISCUSUnknown2061
2026-10-29Headquarters, USAISCUSUnknown2070
2026-10-28Headquarters, USAISCUSUnknown2079
2026-10-27Headquarters, USAISCUSUnknown2081
2026-10-26Headquarters, USAISCUSUnknown2063
2026-10-25Headquarters, USAISCUSUnknown2068
2026-10-24Headquarters, USAISCUSUnknown2074
2026-10-23Headquarters, USAISCUSUnknown2072
2026-10-22Headquarters, USAISCUSUnknown2081
2026-10-21Headquarters, USAISCUSUnknown2015
2026-10-20Headquarters, USAISCUSUnknown1502
2026-10-19Headquarters, USAISCUSUnknown1511
2026-10-18Headquarters, USAISCUSUnknown1514
2026-10-17Headquarters, USAISCUSUnknown1515
2026-10-16Headquarters, USAISCUSUnknown1524
2026-10-15Headquarters, USAISCUSUnknown1509
2026-10-14Headquarters, USAISCUSUnknown1276
2026-10-13Headquarters, USAISCUSUnknown1272
2026-10-12Headquarters, USAISCUSUnknown1271
2026-10-11Headquarters, USAISCUSUnknown1271
2026-10-10Headquarters, USAISCUSUnknown1271
2026-10-09Headquarters, USAISCUSUnknown1266
2026-10-08Headquarters, USAISCUSUnknown1266
2026-10-07Headquarters, USAISCUSUnknown1270
2026-10-06Headquarters, USAISCUSUnknown1264
2026-10-05Headquarters, USAISCUSUnknown1257
2026-10-04Headquarters, USAISCUSUnknown1258
2026-10-03Headquarters, USAISCUSUnknown1265
2026-10-02Headquarters, USAISCUSUnknown1269
2026-10-01Headquarters, USAISCUSUnknown1264
2026-09-30Headquarters, USAISCUSUnknown1266
2026-09-29Headquarters, USAISCUSUnknown1273
2026-09-28Headquarters, USAISCUSUnknown1263
2026-09-27Headquarters, USAISCUSUnknown1264
2026-09-26Headquarters, USAISCUSUnknown1266
2026-09-25Headquarters, USAISCUSUnknown1264
2026-09-24Headquarters, USAISCUSUnknown1277
2026-09-23Headquarters, USAISCUSUnknown1282
2026-09-22Headquarters, USAISCUSUnknown1281
2026-09-21Headquarters, USAISCUSUnknown1266
2026-09-20Headquarters, USAISCUSUnknown1266
2026-09-19Headquarters, USAISCUSUnknown1267
2026-09-18Headquarters, USAISCUSUnknown1277
2026-09-17Headquarters, USAISCUSUnknown1278
2026-09-16Headquarters, USAISCUSUnknown1277
2026-09-15Headquarters, USAISCUSUnknown1269
2026-09-14Headquarters, USAISCUSUnknown1262
2026-09-13Headquarters, USAISCUSUnknown1261
2026-09-12Headquarters, USAISCUSUnknown1265
2026-09-11Headquarters, USAISCUSUnknown1266
2026-09-10Headquarters, USAISCUSUnknown1267
2026-09-09Headquarters, USAISCUSUnknown1273
2026-09-08Headquarters, USAISCUSUnknown1266
2026-09-07Headquarters, USAISCUSUnknown1266
2026-09-06Headquarters, USAISCUSUnknown1265
2026-09-05Headquarters, USAISCUSUnknown1266
2026-09-04Headquarters, USAISCUSUnknown1276
2026-09-03Headquarters, USAISCUSUnknown1237
2026-09-02Headquarters, USAISCUSUnknown1224
2026-09-01Headquarters, USAISCUSUnknown1225
2026-08-31Headquarters, USAISCUSUnknown1207
2026-08-30Headquarters, USAISCUSUnknown1206
2026-08-29Headquarters, USAISCUSUnknown1205
2026-08-28Headquarters, USAISCUSUnknown1249
2026-08-27Headquarters, USAISCUSUnknown1213
2026-08-26Headquarters, USAISCUSUnknown1134
2026-08-25Headquarters, USAISCUSUnknown1124
2026-08-24Headquarters, USAISCUSUnknown1121
2026-08-23Headquarters, USAISCUSUnknown1119
2026-08-22Headquarters, USAISCUSUnknown1122
2026-08-21Headquarters, USAISCUSUnknown1131
2026-08-20Headquarters, USAISCUSUnknown1104
2026-08-19Headquarters, USAISCUSUnknown1097
2026-08-18Headquarters, USAISCUSUnknown1074
2026-08-17Headquarters, USAISCUSUnknown1089
2026-08-16Headquarters, USAISCUSUnknown1089
2026-08-15Headquarters, USAISCUSUnknown1099
2026-08-14Headquarters, USAISCUSUnknown1102
2026-08-13Headquarters, USAISCUSUnknown1102
2026-08-12Headquarters, USAISCUSUnknown1100
2026-08-11Headquarters, USAISCUSUnknown1096
2026-08-10Headquarters, USAISCUSUnknown1086
2026-08-09Headquarters, USAISCUSUnknown1085
2026-08-08Headquarters, USAISCUSUnknown1098
2026-08-07Headquarters, USAISCUSUnknown1053
2026-08-06Headquarters, USAISCUSUnknown957
2026-08-05Headquarters, USAISCUSUnknown956
2026-08-04Headquarters, USAISCUSUnknown962
2026-08-03Headquarters, USAISCUSUnknown955
2026-08-02Headquarters, USAISCUSUnknown950
2026-08-01Headquarters, USAISCUSUnknown955
2026-07-31Headquarters, USAISCUSUnknown956
2026-07-30Headquarters, USAISCUSUnknown960
2026-07-29Headquarters, USAISCUSUnknown963
2026-07-28Headquarters, USAISCUSUnknown956
2026-07-27Headquarters, USAISCUSUnknown949
2026-07-26Headquarters, USAISCUSUnknown949
2026-07-25Headquarters, USAISCUSUnknown955
2026-07-24Headquarters, USAISCUSUnknown955
2026-07-23Headquarters, USAISCUSUnknown963
2026-07-22Headquarters, USAISCUSUnknown923
2026-07-21Headquarters, USAISCUSUnknown922
2026-07-20Headquarters, USAISCUSUnknown917
2026-07-19Headquarters, USAISCUSUnknown915
2026-07-18Headquarters, USAISCUSUnknown918
2026-07-17Headquarters, USAISCUSUnknown924
2026-07-16Headquarters, USAISCUSUnknown1124
2026-07-15Headquarters, USAISCUSUnknown895
2026-07-14Headquarters, USAISCUSUnknown893
2026-07-13Headquarters, USAISCUSUnknown888
2026-07-12Headquarters, USAISCUSUnknown892
2026-07-11Headquarters, USAISCUSUnknown896
2026-07-10Headquarters, USAISCUSUnknown894
2026-07-09Headquarters, USAISCUSUnknown897
2026-07-08Headquarters, USAISCUSUnknown888
2026-07-07Headquarters, USAISCUSUnknown880
2026-07-06Headquarters, USAISCUSUnknown879
2026-07-05Headquarters, USAISCUSUnknown880
2026-07-04Headquarters, USAISCUSUnknown881
2026-07-03Headquarters, USAISCUSUnknown881
2026-07-02Headquarters, USAISCUSUnknown880
2026-07-01Headquarters, USAISCUSUnknown825
2026-06-30Headquarters, USAISCUSUnknown826
2026-06-29Headquarters, USAISCUSUnknown810
2026-06-28Headquarters, USAISCUSUnknown813
2026-06-27Headquarters, USAISCUSUnknown821
2026-06-26Headquarters, USAISCUSUnknown825
2026-06-25Headquarters, USAISCUSUnknown816
2026-06-24Headquarters, USAISCUSUnknown815
2026-06-23Headquarters, USAISCUSUnknown806
2026-06-22Headquarters, USAISCUSUnknown806
2026-06-21Headquarters, USAISCUSUnknown812
2026-06-20Headquarters, USAISCUSUnknown806
2026-06-19Headquarters, USAISCUSUnknown862
2026-06-18Headquarters, USAISCUSUnknown773
2026-06-17Headquarters, USAISCUSUnknown770
2026-06-16Headquarters, USAISCUSUnknown751
2026-06-15Headquarters, USAISCUSUnknown747
2026-06-14Headquarters, USAISCUSUnknown748
2026-06-13Headquarters, USAISCUSUnknown748

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-11-11143.73.8.0/23ReleasedAS1540—
2026-11-11143.73.37.0/24Acquired—AS1540
2026-11-11143.74.28.0/23Acquired—AS1540
2026-11-11143.74.35.0/24ReleasedAS1540—
2026-11-11143.74.37.0/24ReleasedAS1540—
2026-11-11143.74.38.0/24ReleasedAS1540—
2026-11-11143.194.144.0/20ReleasedAS1540—
2026-11-11150.196.47.0/24Acquired—AS1540
2026-11-11150.196.117.0/24ReleasedAS1540—
2026-11-11158.11.40.0/24ReleasedAS1540—
2026-11-11158.11.50.0/23ReleasedAS1540—
2026-11-11158.11.84.0/24ReleasedAS1540—
2026-11-11158.11.224.0/23ReleasedAS1540—
2026-11-11158.11.228.0/23Acquired—AS1540
2026-11-11158.11.230.0/24Acquired—AS1540
2026-11-11160.136.103.0/24Acquired—AS1540
2026-11-11160.136.104.0/24ReleasedAS1540—
2026-11-112608:166:1bd0::/48Acquired—AS1540
2026-11-106.131.164.0/24Acquired—AS1540
2026-11-106.131.165.0/24Acquired—AS1540
2026-11-106.131.166.0/23Acquired—AS1540
2026-11-10143.73.8.0/23Acquired—AS1540
2026-11-10143.73.37.0/24ReleasedAS1540—
2026-11-10143.74.35.0/24Acquired—AS1540
2026-11-10143.74.37.0/24Acquired—AS1540
2026-11-10143.74.38.0/24Acquired—AS1540
2026-11-10143.74.167.0/24ReleasedAS1540—
2026-11-10143.74.181.0/24ReleasedAS1540—
2026-11-10143.86.182.0/24ReleasedAS1540—
2026-11-10143.194.144.0/20Acquired—AS1540
2026-11-10143.249.72.0/24ReleasedAS1540—
2026-11-10143.249.76.0/22ReleasedAS1540—
2026-11-10143.249.83.0/24ReleasedAS1540—
2026-11-10143.249.84.0/23ReleasedAS1540—
2026-11-10150.196.117.0/24Acquired—AS1540
2026-11-10150.196.155.0/24Acquired—AS1540
2026-11-10158.11.50.0/23Acquired—AS1540
2026-11-10158.11.84.0/24Acquired—AS1540
2026-11-10158.16.80.0/23Acquired—AS1540
2026-11-10158.16.82.0/23Acquired—AS1540
2026-11-10158.16.84.0/23Acquired—AS1540
2026-11-10158.16.86.0/23Acquired—AS1540
2026-11-09140.196.0.0/16Acquired—AS1540
2026-11-09143.73.14.0/23ReleasedAS1540—
2026-11-09143.73.14.0/24ReleasedAS1540—
2026-11-09143.74.144.0/23ReleasedAS1540—
2026-11-09143.74.165.0/24ReleasedAS1540—
2026-11-09143.74.167.0/24Acquired—AS1540
2026-11-09143.74.179.0/24ReleasedAS1540—
2026-11-09143.74.181.0/24Acquired—AS1540
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