The existing values are garbage, rails stored e.g. "87.126.98.245" as "87.126.98.245".to_i => 87. The column is nulled to indicate these IPs are unknown.
The existing values are garbage, rails stored e.g. "87.126.98.245" as "87.126.98.245".to_i => 87. The column is nulled to indicate these IPs are unknown.