On 15 Nov 2016, at 23:05, Peter wrote:

On 16/11/16 12:20, Bill Cole wrote:
No, there's not.

Yes there is.

Read what I was responding to more carefully. Rich was seeking to avoid manually entering single addresses and CIDR blocks.

However, I happened to have an old Perl script

<snip>

This is completely insane!

I have to disagree. It's only partly insane. I'd argue for somewhat less than 10% insane, but that depends on how you quantify such things...

Postfix fully supports CIDR notation in the
CIDR table type, this works for access lists or any other settings that
reference tables:
http://www.postfix.org/cidr_table.5.html

Yes, and a Postfix CIDR table is what that script emits, given a list of single address and hyphenated ranges as Rich described.

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