The system management IP addresses

we samobytnoe used. Although recently the colleagues from the Win-the division implemented similar to our samopisny means we have an existing MS SharePoint. A table with the fields "Address/network" "hostname/network", "Comment", "User updating the record" (integrated with AD), "date/time change"

my tasks were simple, I would type TXT records in DNS. Requires no additional software at all :)

like in nocproject is there, but not tried it myself
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we ( we're an isp) it's all in the billing is