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Do ISP's assign private ip addresses?

By GLeung ·
If a computer connects directly to the internet (not being behind a router but connects to a cable/dsl modem), does it get assigned a private ip address or public ip address by its ISP?

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It must be a public IP address - possibly excepting some wireless ISPs.

by seanferd In reply to Do ISP's assign private i ...

Some wireless ISP's may assign you an address in RFC 1918 private address space as you are generally NATted in their network anyway. Or they may assign a public IP which is yet proxied and/or NATted and shared among multiple customers.This is because there simply aren't enough public IPs available to give each mobile phone it's very own IP. Italian ISP's, for example, are well-known for practicing the latter.

Router or modem, it makes no difference, even if you are using dial-up with an internal modem. You should have a public IP under most circumstances.

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Reponse To Answer

by mrafaqi In reply to It must be a public IP ad ...

Hi! I was looking for the exact kind of information and It was obviously helpful =). Could you please specify about the second way (similar public-ip shared between multiple consumers and proxied)? I would appreciate your answer in advance.

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Thank you for the good writeup.

by adilnayab In reply to Do ISP's assign private i ...

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