Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

IP Mask Calculator 螢幕截圖

iPad

iPhone

About IP Mask Calculator

* "Simply Elegant" -SMC
* "Nicelly done, that's exactly what I need. I use it for my CCNA preparation" -Jason Ming

This IP Subnet Mask Calculator is designed for Network Engineer that need to calculate or verify the ip mask, hosts range, broadcast ip, etc.

Handles truly like a calculator with keys and display in a single view, all the values updates in real time as you increase or decrease the mask bit.

AN EASY, SIMPLE, MUST HAVE APP FOR IT PROFESSIONALS !!

Features:

- Easy edit with custom keyboard
- Entry validation with sound feedback
- Class A,B,C,Reserved
- Display realtime IP mask, first last host, network IP and broadcast IP
- Subnetting and Supernetting
- Decimal, Binary and Hexadecimal
- Results are formatted and ready to be emailed for report or printing

BONUS:

- Fetch IP address registration information from IANA.org database using whois protocol.