The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/10/static/auth-pg-hba-conf.html
Description:
pg_hba.conf requires a list of supported subnets that can be usedsuch as 0,
12, 16, 20, 24, 32, 64.
note that 32 doesn't work as our CIO/CTO/SYSADMIN stated today.