Maybe something like:

c:\@Work\Perl\monks>perl -wMstrict -le
"use Regexp::Common qw(net);
 ;;
 my @strings = (
   '/data/alcatel_7750/routername1-      static-route 1.1.1.1/30 next-
+hop 2.2.2.2 tag 624',
   '/data/alcatel_7750/routername2-      static-route 1.1.1.3/30 next-
+hop 3.3.3.3 tag 624',
   '/data/alcatel_7750/routername3-      static-route 1.1.1.2/30 next-
+hop 4.4.4.4 tag 628',
   );
 ;;
 my $rx_ipv4_dotted_dec = qr{ (?<! \d) $RE{net}{IPv4} (?! \d) }xms;
 my $rx_routename       = qr{ \b [[:alpha:]] \w* \b }xms;
 my $rx_route           = qr{ \b [[:alpha:]] [[:alpha:]-]* \b }xms;
 ;;
 for my $s (@strings) {
   my $parsed =
   my ($r_name, $r_ip) = $s =~ m{
     / ($rx_routename) - \s+ ($rx_route \s+ $rx_ipv4_dotted_dec / \d+)
     }xms;
   ;;
   die qq{bad record: '$s'} unless $parsed;
   ;;
   print qq{'$s' -> \n  ($r_name) ($r_ip)};
   }
"
'/data/alcatel_7750/routername1-      static-route 1.1.1.1/30 next-hop
+ 2.2.2.2 tag 624' ->
  (routername1) (static-route 1.1.1.1/30)
'/data/alcatel_7750/routername2-      static-route 1.1.1.3/30 next-hop
+ 3.3.3.3 tag 624' ->
  (routername2) (static-route 1.1.1.3/30)
'/data/alcatel_7750/routername3-      static-route 1.1.1.2/30 next-hop
+ 4.4.4.4 tag 628' ->
  (routername3) (static-route 1.1.1.2/30)
[download]

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