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Background
Learn about IP addresses
An IP address is the numerical label assigned to every device on a network using the Internet Protocol. IPv4 uses 32 bits (four octets like 192.0.2.42), while IPv6 uses 128 bits and supports vastly more addresses. Beyond identification, an IP address indicates approximate geographic location through public databases.
ipv4 vs ipv6
IPv4
203.0.113.42
4.3 billion addresses
IPv6
2001:0db8:85a3:0000:0000:8a2e:0370:7334
3.4 × 10³⁸ addresses
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