---
title: "w5100 mask addrs"
url: "https://maker.wiznet.io/forum/12535"
markdown_url: "https://maker.wiznet.io/forum/12535/md"
type: "Forum topic"
category: "Ethernet Chips"
author: "Rakesh m"
created: "2017-10-28T14:08:26+09:00"
last_activity: "2017-10-28T15:08:05+09:00"
language: "en"
views: 609
replies: 2
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# w5100 mask addrs

## Question

Asked by Rakesh m on 2017-10-28 in Ethernet Chips.

what is the diff b/w offset addrs, mask addrs, physical addrs, base addrs of a socket-n in w5100?
plz reply me as early as possible
i need clear difference please

## Replies

### Reply 1 by Eugeny, 2017-10-28

Please refer to datasheet, it has all the information you need. At least before you ask such general questions, you should have some research done.

### Reply 2 by Rakesh m, 2017-10-28 (in reply to reply 1)

i saw data sheet,but i did not find the correct difference
can you help me plz

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Source: https://maker.wiznet.io/forum/12535