Sven Wilhelm wrote: > Hi, > > an example for not so easy validating addresses could be > 0:0:0:0:0:FFFF:129.144.52.38 Oops. I knew that there is an IPv4 range in IPv6, but I didn't know it is spelles so awkwardly. I guessed (following your example) it was: ::FFFF:81:90:34:24 Masi