IP Lens
Tools
Investigate IP addresses and networks, inspect internet routing and DNS data, or check the information your browser exposes.
Bot IP ranges
Browse sourced and dated IP ranges published for search crawlers, AI crawlers, advertising bots, user-triggered agents, and other automated systems.
Provider IP ranges
Browse sourced and dated IP ranges associated with cloud platforms, datacenters, content delivery networks, and online services.
ASN lookup
Look up an ASN or IP address to identify the announcing network, its operator and registration details, and its announced IPv4 and IPv6 prefixes.
CIDR lookup
Inspect an IPv4 or IPv6 prefix to see its address boundaries, total size, and internet routing context.
IP subnet calculator
Calculate IPv4 and IPv6 subnet boundaries, masks, usable capacity, adjacent networks, and subdivisions in your browser.
Reverse DNS lookup
Find PTR hostnames for an IPv4 or IPv6 address and view them alongside Registered Owner, network, and location context.
Browser Info
Inspect your user-agent string, available client hints, browser-reported platform, public IP, locale and timezone, display and input preferences, storage and browser capabilities, rendering details, and page timing.