Address Tools
Wildcard Mask Calculator
Translate subnet masks, wildcard masks, and prefix lengths in both directions, then check the actual ACL address range.
The ACL range section expects an IPv4 address plus wildcard mask.
Browser-native telecom toolkit
TelcoAIO Network Engineering ToolboxMinimal, high-signal utilities for subnet planning, DNS checks, route visibility, and maintenance workflows.
Address Tools
Translate subnet masks, wildcard masks, and prefix lengths in both directions, then check the actual ACL address range.
The ACL range section expects an IPv4 address plus wildcard mask.