consecutive /24s, they might combine into a larger /23.
.IP \(bu
View the result of block combination in a useful way.
+.IP \(bu
+List them.
+.IP \(bu
+Find their associated PTR records.
.P
Hath does just that. It takes as its input (via stdin, or a file with
the -i parameter) a list of CIDR blocks.
the given CIDRs.
.P
.nf
-.I $ hath reversed <<< \(dq198.41.0.4\/30\(dq
+.I $ hath reversed <<< \(dq198.41.0.4/30\(dq
198.41.0.4: a.root-servers.net.
198.41.0.5:
198.41.0.6: rs.internic.net.