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Understand how IP addresses and DNS work.
What is an IP Address?
Every device on the internet has a unique address. Learn how IPv4 and IPv6 work, and what your IP reveals about you.
Read →What is an ASN?
Autonomous System Numbers identify networks on the internet. Learn how BGP routing works between ISPs.
Read →How DNS Works
DNS translates domain names to IP addresses. Learn about DNS records, TTL, and public resolvers.
Read →Datacenter vs Residential IPs
Not all IPs are the same. Learn the difference between datacenter, residential, and mobile IPs.
Read →Why Websites Log IPs
Every website sees your IP. Learn why they log it, what it reveals, and how to mask it.
Read →How IP Blocking Works
Can't access a site? You might be blocked. Learn why it happens and what to do about it.
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