Reverse DNS lookup for '212.161.103.0/24' on 26 Feb 2020.

[colt.net]
212.161.103.2  smtp1.my.smartnumbers.com [GB]
212.161.103.25  001425-IPC03040134.BHX.ipc.colt.net [GB]
212.161.103.30  002852-ipc040100552.lon.ipc.colt.net [GB]
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