[root@admin-01 production]# /opt/csi/production/package/ruby-1.8.7-p22/bin/facter 
/opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/1.8/ipaddr.rb:467:in `initialize': invalid address (ArgumentError)
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/1.8/ipaddr.rb:495:in `new'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/1.8/ipaddr.rb:495:in `coerce_other'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/1.8/ipaddr.rb:140:in `=='
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/resolution.rb:132:in `value'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/fact.rb:75:in `value'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/loader.rb:72:in `inject'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/fact.rb:71:in `each'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/fact.rb:71:in `inject'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/fact.rb:71:in `value'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/fact.rb:117:in `searching'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/fact.rb:67:in `value'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/collection.rb:104:in `to_hash'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/loader.rb:72:in `inject'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/collection.rb:103:in `each'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/collection.rb:103:in `inject'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter/util/collection.rb:103:in `to_hash'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter.rb:92:in `send'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/lib/facter.rb:92:in `to_hash'
  from /opt/csi/production/package/ruby-1.8.7-p22/lib/ruby/gems/1.8/gems/facter-1.5.3/bin/facter:125
  from /opt/csi/production/package/ruby-1.8.7-p22/bin/facter:19:in `load'
  from /opt/csi/production/package/ruby-1.8.7-p22/bin/facter:19
[root@admin-01 production]#