Bandwidth, subnets, latency, WiFi channels, port reference, and more
Expand, compress, and analyze IPv6 addresses. IPv4-mapped conversion.
File transfer time from speed and file size
Max throughput from window size and RTT
Subnet range, hosts, and mask from CIDR
CIDR prefixes, masks, host counts at a glance
How packet loss degrades TCP throughput
Theoretical minimum latency by distance
2.4 GHz & 5 GHz channels and frequencies
Well-known TCP/UDP port numbers