diff -Nurpd a/lib/facter/util/ip.rb b/lib/facter/util/ip.rb
--- a/lib/facter/util/ip.rb	2019-12-26 10:22:04.591601094 -0800
+++ b/lib/facter/util/ip.rb	2019-12-26 10:24:10.639781276 -0800
@@ -6,7 +6,7 @@ module Facter::Util::IP
   REGEX_MAP = {
     :linux => {
       :ipaddress  => /inet (?:addr:)?([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/,
-      :ipaddress6 => /inet6 (?:addr: )?((?!(?:fe80|::1))(?>[0-9,a-f,A-F]*\:{1,2})+[0-9,a-f,A-F]{0,4})/,
+      :ipaddress6 => /inet6 (?:addr: )?((?!(fe80|\:\:1))(?>[0-9,a-f,A-F]*\:{1,2})+[0-9,a-f,A-F]{0,4})/,
       :macaddress => /(?:ether|HWaddr)\s+((\w{1,2}:){5,}\w{1,2})/,
       :netmask  => /(?:Mask:|netmask )([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/,
       :mtu  => /MTU:?\s*(\d+)/i