What Is an ISP? How Providers Appear in IP Lookups

An Internet Service Provider (ISP) is the organization that assigns your public IP address and routes your traffic onto the Internet. In an IP lookup, the ISP (and related organization / ASN) tells you who operates the network behind that address.

When you look up an IP on PINIP.net, results typically include ISP name, organization, and ASN when upstream databases provide them. Hosting and cloud providers often appear as the ISP for server IPs, while consumer broadband brands appear for residential addresses.

Try ISP Lookup or open any IP report such as pinip.net/8.8.8.8.

• Consumer ISP: home/office broadband — usually no co-hosted websites.
• Hosting / cloud: datacenter ASNs — use Domains on IP for neighbors.
• VPN exit: often a hosting ASN with elevated proxy/VPN signals — check the VPN Tester.