I have, actually. Most of our networks were /23s, and the syslog server was a .0 in the middle of one. An SMS sending appliance we bought would not accept IPs e

I have, actually. Most of our networks were /23s, and the syslog server was a .0 in the middle of one. An SMS sending appliance we bought would not accept IPs ending in .0. Fortunately, the check was client-side in javascript, and once overridden, everything worked.