Why ASN matters
An ASN shows which organization is announcing a route on the internet. That makes it easier to separate residential traffic, cloud providers, VPN exits and enterprise networks when you inspect an IP.
Network Ownership
Open homepage tool
ASN Lookup
Use any IPv4 or IPv6 address to identify the ASN and network owner behind the traffic you are reviewing.
Your IP Address is:
216.73.217.51
Address family: IPv4
Related Tools
Search-focused landing pages
What Is My IP Address?
See your public IP address instantly and learn what it means, where it comes from, and how websites detect it.
IP Lookup Tool
Run an IP lookup to see geolocation, ASN, ISP, timezone and regional data for any IPv4 or IPv6 address.
IPv4 Subnet Calculator
Calculate IPv4 ranges from a prefix or CIDR, browse subnet boundaries and inspect IP addresses inside each network.
IPv6 Subnet Calculator
Calculate IPv6 network boundaries from CIDR notation, browse child prefixes and inspect addresses in each range.
IP Geolocation Lookup
Check the geolocation of an IPv4 or IPv6 address, including country, region, city, timezone and network context.