the internet code for Macau is - ".mo".
Information about .mo domains
There are estimated to be about 2,447 domains with .mo suffix (2014).
The Intended use for .mo domains is for entities connected with Macau.
Actual use: Gets some use in Macau.
The .mo internet code was Introduced in 1992.
The Sponsoring Organisation for .mo domains is "Bureau of Telecommunications Regulation (DSRT)".
Structure of .mo ccTLD: Registrations were limited to third level beneath second-level labels, but direct second-level registrations are now available to registrants who already have the same name at third level.
Registration restrictions of .mo domain: Limited to local businesses and organizations in Macau.
Bureau of Telecommunications Regulation (DSRT)'s contact details - See link
For .mo domain registration click on the following link - See link
For a whois search on .mo domains click on the following link - See link
You can see more details about the .mo ccTLD in Wikipedia - See link
Internet website in Macau with .mo code (2014)
.mo code is used by less than 0.10% of all world's websites.
Internet ipaddress and mailsevers
IP Addresses: 342,295.
SOURCES OF INFORMATION
Domain Count Statistics for TLDs - See link