Hi, new version 0.91.0 is released now. Package and signature files can be found here: ftp://ftp.bieringer.de/pub/linux/IPv6/ipv6calc/ ftp://ftp.deepspace6.net/pub/ds6/sources/ipv6calc/ Major changes: (none) Minor changes: (none) Enhancements: add configure options for disabling compiled-in databases: --disable-db-ieee --disable-db-ipv4 --disable-db-ipv6 (this reduces a lot the resulting size of the ipv6calc binary) ipv6calc - support option "-v -v" to show extended version information - add 6rd extension based on patch from Raphaël Assénat Example: $ ./ipv6calc -q --action 6rd_local_prefix --6rd_prefix 2607:fedc:ff40::/43 --6rd_relay_prefix 6.230.0.0/15 6.231.32.33 2607:fedc:ff52:210::/60 Fixes: use GeoIP library depending on its support of IPv6 Maintenance: database updates Regards, Peter