Network tools
Diagnostics that are safe to offer publicly: measurements your own browser makes, and lookups against public registries. No port scans, no pings of arbitrary hosts.
8 tools
- Latency TestRound-trip time from your browser to our server.
- MAC Address LookupThe vendor a MAC address prefix is registered to (IEEE).
- IP Range to CIDRIn your browserConvert an address range into the smallest set of CIDR blocks.
- ASN LookupHolder, registry and every prefix an AS announces.
- BGP Prefix LookupWho announces a prefix, what covers it and its more-specifics.
- CIDR CalculatorIn your browserNetwork, broadcast, masks and host counts for any prefix.
- Subnet CalculatorIn your browserSplit networks into subnets, IPv4 and IPv6.
- IP Overlap CheckerIn your browserFind overlapping networks in a list of CIDR blocks.