IP subnet calculator

240e:358:905::-240e:358:90f:ffff:ffff:ffff:ffff:ffff

240e:358:905::-240e:358:905:ffff:ffff:ffff:ffff:ffff
240e:358:905::/48

240e:358:906::-240e:358:907:ffff:ffff:ffff:ffff:ffff
240e:358:906::/47

240e:358:908::-240e:358:90f:ffff:ffff:ffff:ffff:ffff
240e:358:908::/45