+(defhost spirit.vpn ((:ipv4 vpn 9) (:ipv6 vpn "::9:1")))
+(defhost groove.vpn ((:ipv4 vpn 10) (:ipv6 vpn "::10:1")))
+
+(defhost crybaby.nvpn ((:ipv6 nvpn "::1:1")))
+(defhost orange.nvpn ((:ipv6 nvpn "::3:1")))
+(defhost haze.nvpn ((:ipv6 nvpn "::4:1")))
+(defhost radius.nvpn ((:ipv6 nvpn "::5:1")))
+(defhost precision.nvpn ((:ipv6 nvpn "::6:1")))
+(defhost jazz.nvpn ((:ipv6 nvpn "::7:1")))
+(defhost vampire.nvpn ((:ipv6 nvpn "::8:1")))
+(defhost spirit.nvpn ((:ipv6 nvpn "::9:1")))
+(defhost groove.nvpn ((:ipv6 nvpn "::10:1")))
+
+;; Untrusted private network.
+(defhost national.upn ((:ipv4 upn 1) (:ipv6 upn "::1:1")))
+(defhost mdwdev.upn ((:ipv4 upn 2) (:ipv6 upn "::2:1")))
+
+(defhost national.nupn ((:ipv6 nupn "::1:1")))
+(defhost mdwdev.nupn ((:ipv6 nupn "::2:1")))