CIDR vs LAN Insight

Calculate the IP address range from the IP address and subnet mask. It can be used to calculate IPv4 addresses, including prefix display, number of address ranges, and bit notation. CIDR calculation, when you want to check CIDR notation quickly. To convert subnet mask to CIDR notation. It can also be used as a quick reference table for subnet masks. Bit notation is also available, so it is suitable for learning IPv4.

Network technician's toolbox Keywords: subnet,CIDR,IP,ping,DNS,WHOIS,scanner,ports,TCP,NAT,SIP,VoIP,speed test,gateway,MTU,RDAP Description: LAN Insight is the network technician's toolbox for iPhone and iPad. Ten fast, no-nonsense tools: • SubnetCalc — IPv4 subnetting: network, broadcast, wildcard, host range and binary • Network scan — detect active hosts or TCP ports, with CSV export • Continuous ping — real-time latency, jitter and packet loss • Speed test — latency, download and upload, with a Live Activity • HTTP probe — status, timing, headers, redirects and TLS certificate • WHOIS — registrar, owner, expiry and nameservers via RDAP • NAT detector — router NAT type and VoIP/SIP compatibility • SIP probe — reachability and capabilities of a PBX • Local network info — IP, gateway, DNS, MTU and connectivity test • DNS lookup — A, AAAA, MX, TXT, NS and PTR records over DNS-over-HTTPS Plus: Home Screen widget, speed-test Live Activity, Siri and Shortcuts. Available in 5 languages.