Network Tools
Network utilities for sysadmins, web developers, and curious users: look up your public IP, query DNS records for any domain, run WHOIS lookups, and inspect HTTP response headers. Some tools fetch public data; everything else runs locally.
Tools in this category: 8
Network Tools
Data Transfer Rate Converter
Convert between bits/second, bytes/second, kbps, Mbps, Gbps, kB/s, MB/s, GB/s, and more.
Converters
My IP Address
See your public IP, approximate location, ISP, and ASN — useful for VPN checks and remote-access setup.
Network Tools
DNS Lookup
Query DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) for any domain using Google DNS-over-HTTPS.
Network Tools
IP Geolocation Lookup
Look up geolocation info for any IPv4 or IPv6 address — country, city, ISP, ASN, timezone. Free, runs in your browser.
Network Tools
CIDR Subnet Calculator
Calculate network, broadcast, mask, wildcard, and host range for any IPv4 or IPv6 CIDR block. Pure math, runs in your browser.
Network Tools
WHOIS / RDAP Lookup
Look up domain or IP registration info via RDAP. Registrar, status, dates, nameservers, contacts. Free, runs in your browser.
Network Tools
NewInternet Speed Test
Measure your download speed, latency, and jitter in the browser. Download-only: nothing is uploaded and nothing is tracked.
Network Tools
NewNetwork Latency Test
Ping several well-known endpoints from your browser and compare round-trip times to work out whether a slowdown is you or them.
Network Tools