IP Inspector
Classify IPv4/IPv6 addresses, flag common ranges, and view binary representation instantly.
CIDR Helper
Convert between CIDR lengths and subnet masks to keep prefixes straight across platforms.
Mask & Wildcard Converter
Flip between subnet masks and their wildcard equivalents for ACLs and route-maps.
Hex/Dec/Oct Converter
Translate numbers across bases to decode router outputs or craft test data.
MTU Planner
Estimate path MTU, fragmentation risk, and recommended payload sizes for tunneling.
ASN Lookup
Parse ASNs, note private/reserved ranges, and prep WHOIS queries for quick follow-ups.
Ping Test Planner
Document ping and traceroute templates with TTL, size, and DF settings ready to paste.
MAC Normalizer
Format MAC addresses into Cisco, Juniper, or Linux styles by pasting any variant.
RADIUS Secret Generator
Generate shared secrets suitable for RADIUS/TACACS+ servers with policy controls.
Ops Notes
Capture quick troubleshooting notes that persist in this browser to stay organized.
Notes are saved locally in this browser only.