Network Tools

ASN Lookup

Look up Autonomous System Number details

BGP Lookup

Look up BGP routing information

CIDR Calculator

Calculate network ranges from CIDR notation

GeoIP Lookup

Get geographic location for any IP

HTTP Headers

View HTTP response headers for any URL

IP Blacklist Check

Check if an IP is on any spam blacklist

IP Lookup

Look up detailed info about any IP address

IP Range Calculator

Calculate the IP range for a CIDR block

IPv4 Converter

Convert IPv4 addresses to different formats

IPv6 Converter

Convert and expand IPv6 addresses

ISP Lookup

Find the ISP for any IP address

Jitter Test

Measure network jitter to any host

Looking Glass

Test routing from multiple global locations

MAC Lookup

Find the vendor for any MAC address

MTR Test

Combined ping and traceroute network test

Network Calculator

Calculate network addresses and ranges

Network Latency Test

Test latency to global network locations

Packet Loss Test

Measure packet loss to any host

Ping Test

Ping any host and measure response time

Port Scanner

Check open ports on any host or IP

Reverse DNS Lookup

Find the hostname for any IP address

Reverse IP Lookup

Find domains hosted on an IP address

Route Analyzer

Analyze the network route to a destination

Subnet Calculator

Calculate subnet details for any IP range

TCP Ping

Test TCP connectivity to a specific port

Traceroute

Trace the network path to any destination

What Is My IP

Find your public IP address and location