the internet code for Sudan is - ".sd".
Information about .sd domains
There are estimated to be about 1,622 domains with .sd suffix (2014).
The Intended use for .sd domains is for entities connected with Sudan.
Actual use: Not very much used.
The .sd internet code was Introduced in 1997.
The Sponsoring Organisation for .sd domains is "Sudan Internet Society".
Structure of .sd ccTLD: Names are registered at second level or at third level beneath various second-level categories.
Registration restrictions of .sd domain: Applications screened by registry; may be limited based on which second-level category they are under.
Sudan Internet Society's contact details - See link
For .sd domain registration click on the following link - See link
You can see more details about the .sd ccTLD in Wikipedia - See link
Internet website in Sudan with .sd code (2014)
.sd code is used by less than 0.10% of all world's websites.
Most popular websites with .sd domain
Internet ipaddress and mailsevers
IP Addresses: 1,204,944.
Number of Internet Users (2014)
Sudan makes up 0.32% of the world's Internet users and it ranked on 45 place compared to other countries in the world.
According to data from internetlivestats.com there are 9,307,189 internet users in Sudan, which makes up about 24.01% of Sudan's population (38,764,090).
SOURCES OF INFORMATION
Domain Count Statistics for TLDs - See link