IP & Network Tools
Check public IP details, DNS, WHOIS, ASN, subnets and CIDR ranges.
Test your download, upload, ping and jitter right in your browser with a fast, animated speed meter.
Open toolGenerate random IPv4 or IPv6 addresses in bulk.
Open toolSee the public IPv4 or IPv6 address used by your current internet connection.
Open toolLook up the approximate location, ISP and network details of a public IPv4 or IPv6 address.
Open toolRetrieve standardized public registration records for an IP address or domain through RDAP.
Open toolFind the autonomous system number and network operator associated with a public IP address.
Open toolQuery common public DNS record types for a hostname or domain.
Open toolResolve a hostname to its current IPv4 and IPv6 addresses.
Open toolQuery PTR records that map a public IPv4 or IPv6 address back to a hostname.
Open toolCalculate a subnet mask, network, broadcast and usable host range from an IPv4 address and prefix.
Open toolExpand IPv4 CIDR notation into its network range, masks and address capacity.
Open toolConvert IPv4 addresses between dotted decimal, integer, hexadecimal and binary notation.
Open toolCheck whether an address has valid IPv4 or IPv6 structure.
Open toolIdentify public, private, loopback, link-local and other special-use IP ranges.
Open toolCount the inclusive IPv4 addresses between a starting and ending address.
Open toolConvert IPv4 subnet masks and CIDR prefixes in either direction.
Open toolCompare current DNS answers from Google Public DNS and Cloudflare 1.1.1.1.
Open toolCheck whether a public DNS answer is authenticated through DNSSEC.
Open toolFind the mail servers published to receive email for a domain.
Open toolFind the SPF TXT policy used to authorize outgoing email senders.
Open toolFind the DMARC policy used for email authentication failures and reporting.
Open toolVerify that a public website completes a trusted HTTPS connection.
Open toolInspect common browser security headers returned by a public website.
Open toolCheck a public website's HTTP status, response time and final URL.
Open toolFind which certificate authorities are permitted to issue TLS certificates for a domain.
Open toolCheck authoritative nameserver records, redundancy and hostname resolution for a domain.
Open toolInspect DNS record values and their current cache lifetime in seconds.
Open toolFind the public key record used to verify signed outgoing email for a domain and selector.
Open toolFind the brand indicator policy published for supporting email providers.
Open toolFollow a public URL through validated HTTP redirects and list each destination in order.
Open toolRead the response size and content metadata reported by a public website.
Open toolCombine availability, HTTPS, redirects, response timing and security headers in one downloadable report.
Open toolAbout IP & Network Tools
Our IP and network tools bring common connection checks into one clear workspace. See your public IP address, inspect the approximate network and ASN behind an address, retrieve public registration data, and resolve DNS records without installing specialist software.
Local calculators cover IPv4 subnet masks, CIDR ranges and address-format conversion. Live lookup tools use established public services and clearly identify when a submitted public IP address or hostname leaves your browser.
These utilities are designed for legitimate troubleshooting, learning and administration. They do not include invasive scanning, tracking, or claims that an IP address identifies a person or exact physical location.