IP Tracker

AS16433

NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION

USUnknown2026-10-31

Announced prefixes 177

66.38.4.0/2366.38.4.0/2466.38.5.0/2466.38.40.0/2266.38.40.0/2466.38.41.0/2466.38.42.0/2466.38.43.0/2466.38.96.0/1966.38.96.0/2066.38.112.0/2072.22.112.0/2072.22.112.0/2172.22.114.0/2472.22.115.0/2472.22.116.0/2472.22.117.0/2472.22.118.0/2472.22.119.0/2472.22.120.0/2172.22.122.0/2472.22.123.0/2472.22.124.0/2472.22.125.0/2472.22.126.0/2472.22.127.0/2474.50.40.0/2274.50.40.0/2374.50.42.0/2374.50.44.0/2474.123.40.0/21104.243.64.0/20104.243.64.0/21104.243.64.0/24104.243.65.0/24104.243.66.0/24104.243.67.0/24104.243.68.0/24104.243.69.0/24104.243.70.0/24104.243.71.0/24104.243.72.0/21104.243.72.0/24104.243.73.0/24104.243.74.0/24104.243.75.0/24104.243.76.0/24104.243.77.0/24104.243.79.0/24147.92.16.0/20147.92.16.0/21147.92.24.0/21147.160.136.0/23147.160.136.0/24160.79.16.0/20160.79.16.0/21160.79.16.0/24160.79.17.0/24160.79.18.0/24160.79.19.0/24160.79.20.0/24160.79.21.0/24160.79.22.0/24160.79.23.0/24160.79.24.0/21160.79.24.0/24160.79.25.0/24160.79.26.0/24160.79.27.0/24160.79.28.0/24160.79.29.0/24160.79.30.0/24160.79.31.0/24161.38.224.0/20161.38.224.0/21161.38.224.0/24161.38.225.0/24161.38.226.0/24161.38.227.0/24161.38.228.0/24161.38.229.0/24161.38.230.0/24161.38.231.0/24161.38.232.0/21161.38.232.0/24161.38.233.0/24161.38.234.0/24161.38.235.0/24161.38.236.0/24161.38.237.0/24161.38.238.0/24161.38.239.0/24162.43.208.0/20162.43.208.0/21162.43.208.0/24162.43.209.0/24162.43.210.0/24162.43.211.0/24162.43.212.0/24162.43.213.0/24162.43.214.0/24162.43.215.0/24162.43.216.0/21162.43.216.0/24162.43.217.0/24162.43.218.0/24162.43.219.0/24162.43.220.0/24162.43.221.0/24162.43.222.0/24162.43.223.0/24162.217.212.0/22162.251.220.0/22162.251.220.0/24162.251.221.0/24162.251.222.0/24162.251.223.0/24167.224.56.0/21167.224.56.0/24167.224.58.0/24167.224.59.0/24167.224.61.0/24167.224.62.0/24167.224.63.0/24170.176.248.0/21170.176.248.0/24170.176.249.0/24170.176.250.0/24170.176.251.0/24170.176.252.0/24170.176.253.0/24170.176.254.0/24170.176.255.0/24173.214.0.0/19173.240.128.0/20173.240.128.0/21173.240.136.0/21192.190.226.0/23192.190.226.0/24192.190.227.0/24198.89.28.0/22198.89.28.0/24198.89.30.0/24198.89.31.0/24204.9.4.0/22204.9.4.0/24204.9.5.0/24204.9.6.0/24204.9.7.0/24208.76.160.0/21208.76.160.0/22208.76.160.0/24208.76.161.0/24208.76.162.0/24208.76.163.0/24208.76.164.0/22208.76.164.0/24208.76.165.0/24208.76.166.0/24208.76.167.0/24216.20.144.0/20216.20.144.0/21216.20.144.0/24216.20.145.0/24216.20.146.0/24216.20.148.0/24216.20.149.0/24216.20.151.0/24216.20.152.0/21216.20.152.0/24216.20.153.0/24216.20.154.0/24216.20.155.0/24216.20.156.0/24216.20.158.0/24216.20.159.0/242605:f00::/32

Snapshot history

DateNameCountryClassPrefixes
2026-11-11NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown179
2026-11-10NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown179
2026-11-09NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown178
2026-11-08NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown178
2026-11-07NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown178
2026-11-06NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown178
2026-11-05NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown178
2026-11-04NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown177
2026-11-03NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown177
2026-11-02NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown177
2026-11-01NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown177
2026-10-31NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown177
2026-10-30NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown176
2026-10-29NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown176
2026-10-28NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-27NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-26NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-25NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-24NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-23NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-22NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown174
2026-10-21NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown173
2026-10-20NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-19NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-18NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-17NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-16NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-15NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-14NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-13NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-12NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-11NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-10NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown166
2026-10-09NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-08NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown172
2026-10-07NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-10-06NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-10-05NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-10-04NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-10-03NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-10-02NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-10-01NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-30NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-29NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-28NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-27NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-26NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-25NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-24NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown171
2026-09-23NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown170
2026-09-22NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown170
2026-09-21NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown170
2026-09-20NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown170
2026-09-19NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown170
2026-09-18NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-17NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-16NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-15NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-14NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-13NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-12NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-11NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-10NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-09NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-08NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-07NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-06NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-05NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-04NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-03NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-02NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-09-01NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-08-31NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-08-30NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-08-29NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown150
2026-08-28NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-08-27NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown156
2026-08-26NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown144
2026-08-25NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-08-24NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-08-23NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-08-22NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-08-21NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-08-20NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-08-19NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown155
2026-08-18NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-17NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-16NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-15NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-14NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-13NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown125
2026-08-12NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown125
2026-08-11NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown125
2026-08-10NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown125
2026-08-09NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown125
2026-08-08NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-07NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown126
2026-08-06NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-08-05NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-08-04NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-08-03NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-08-02NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-08-01NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-31NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-30NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-29NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-28NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-27NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-26NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-25NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown128
2026-07-24NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-23NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-22NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-21NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-20NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-19NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-18NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-17NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-16NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-15NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-14NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-13NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-12NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-11NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-10NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-09NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-08NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-07NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-06NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-05NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-04NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-03NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-02NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-07-01NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-06-30NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-06-29NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-06-28NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-06-27NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-06-26NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown145
2026-06-25NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-24NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-23NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-22NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-21NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-20NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-19NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-18NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-17NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown143
2026-06-16NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown144
2026-06-15NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown144
2026-06-14NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown115
2026-06-13NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATIONUSUnknown152

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-08-27216.20.148.0/24Acquired—AS16433
2026-08-27216.20.149.0/24Acquired—AS16433
2026-08-27216.20.151.0/24Acquired—AS16433
2026-08-27216.20.152.0/24Acquired—AS16433
2026-08-27216.20.153.0/24Acquired—AS16433
2026-08-27216.20.155.0/24Acquired—AS16433
2026-08-27216.20.156.0/24Acquired—AS16433
2026-08-27216.20.158.0/24Acquired—AS16433
2026-08-27216.20.159.0/24Acquired—AS16433
2026-08-26167.224.61.0/24Acquired—AS16433
2026-08-2174.123.40.0/22ReleasedAS16433—
2026-08-2174.123.44.0/22ReleasedAS16433—
2026-08-2074.123.40.0/24ReleasedAS16433—
2026-08-2074.123.41.0/24ReleasedAS16433—
2026-08-2074.123.42.0/24ReleasedAS16433—
2026-08-2074.123.43.0/24ReleasedAS16433—
2026-08-2074.123.44.0/23ReleasedAS16433—
2026-08-2074.123.44.0/24ReleasedAS16433—
2026-08-2074.123.45.0/24ReleasedAS16433—
2026-08-2074.123.46.0/23ReleasedAS16433—
2026-08-2074.123.46.0/24ReleasedAS16433—
2026-08-2074.123.47.0/24ReleasedAS16433—
2026-08-1972.22.114.0/24Acquired—AS16433
2026-08-1972.22.115.0/24Acquired—AS16433
2026-08-1972.22.116.0/24Acquired—AS16433
2026-08-1972.22.117.0/24Acquired—AS16433
2026-08-1972.22.118.0/24Acquired—AS16433
2026-08-1972.22.119.0/24Acquired—AS16433
2026-08-1972.22.122.0/24Acquired—AS16433
2026-08-1972.22.123.0/24Acquired—AS16433
2026-08-1972.22.124.0/24Acquired—AS16433
2026-08-1972.22.125.0/24Acquired—AS16433
2026-08-1972.22.126.0/24Acquired—AS16433
2026-08-1972.22.127.0/24Acquired—AS16433
2026-08-19160.79.16.0/21Acquired—AS16433
2026-08-19160.79.16.0/24Acquired—AS16433
2026-08-19160.79.17.0/24Acquired—AS16433
2026-08-19160.79.18.0/24Acquired—AS16433
2026-08-19160.79.19.0/24Acquired—AS16433
2026-08-19160.79.20.0/24Acquired—AS16433
2026-08-19160.79.21.0/24Acquired—AS16433
2026-08-19160.79.22.0/24Acquired—AS16433
2026-08-19160.79.24.0/21Acquired—AS16433
2026-08-19160.79.24.0/24Acquired—AS16433
2026-08-19160.79.25.0/24Acquired—AS16433
2026-08-19160.79.26.0/24Acquired—AS16433
2026-08-19160.79.27.0/24Acquired—AS16433
2026-08-19160.79.28.0/24Acquired—AS16433
2026-08-19160.79.29.0/24Acquired—AS16433
2026-08-19160.79.30.0/24Acquired—AS16433
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