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IP / Subnet Calculator

Network address, broadcast, usable range, masks, and a binary breakdown from CIDR notation.

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What's My IP

Public IPv4/IPv6, browser details, and basic connection info.

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MAC Address Lookup

Identify a device's manufacturer from its MAC address OUI.

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Port Lookup

What's commonly running on a given port - 443, 5060, 3389, and more.

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CIDR Splitter

Split a network into smaller, equal-sized subnets.

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BGP Explorer

A BGP looking glass for route investigation - RPKI validation, AS path, collector visibility, and route history for any IP, prefix, or ASN.