Board Thread:General Discussion/@comment-26184769-20170628200844/@comment-1757994-20170714165434

TheKorraFanatic wrote: I'd suggest 6 months when range-blocking IPs. ... except this IPv6 range is still only one customer. This range is assigned to his residence. So the range isn't multiple customers.

6 months is fine, but the guideline to follow would be whatever duration you want to assign to an individual, because that's what this is.