HP-UX IPFilter Version 17 Administrator's Guide

6.3.3 map-block: Mapping to a Block of Addresses
IPFilter NAT can map an IP address to a specific block of IP addresses in two ways.
You can use the map-block keyword to statically map sessions from a host to a selected block
of IP addresses. Configure the following rule:
map-block lan0 192.168.1.0/24 -> 20.20.20.0/24
Any outgoing packet with an IP address beginning with 192.168.1 is mapped to an IP address
beginning with 20.20.20.
Alternately, you can configure IPFilter NAT to translate to a block of IP addresses using only
the map and portmap keywords. Configure the following rule:
map lan0 192.168.0.0/16 -> 20.20.20.0/24 portmap tcp/udp 20000:60000
6.3 map and portmap: Mapping Outbound Packets 67