Range Rover
Paste a messy list of CIDRs — get them merged and deduplicated. Plus a quick "is this IP in that list?" check.
CIDR list (one per line; bare IPs treated as /32)
Merged
Check an IP against the list
Paste a messy list of CIDRs — get them merged and deduplicated. Plus a quick "is this IP in that list?" check.