Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
CGNAT	Carrier-Grade NAT
CSAM	Child Sexual Abuse Material
DHCP	Dynamic Host Configuration Protocol, automates assignment of IPs when connecting to a network
ISP	Internet Service Provider
IoT	Internet of Things for device controllers
NAT	Network Address Translation
VPN	Virtual Private Network
VPS	Virtual Private Server (opposed to shared hosting)

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