the internet code for Spain is - ".es".
Information about .es domains
There are estimated to be about 1,718,624 domains with .es suffix (2014).
The Intended use for .es domains is for entities connected with Spain.
Actual use: Very popular in Spain.
The .es internet code was Introduced in 1988.
The Sponsoring Organisation for .es domains is "Red.es".
Structure of .es ccTLD: Registrations are taken directly at the second level or at the third level beneath various second-level subdomains.
Registration restrictions of .es domain: None for second-level registrations after 2005 phase-in of open registration; there are restrictions on some of the specific subdomains.
For .es domain registration click on the following link - See link
For a whois search on .es domains click on the following link - See link
You can see more details about the .es ccTLD in Wikipedia - See link
Internet website in Spain with .es code (2014)
.es code is used by 0.60% of all world's websites.
Most popular websites with .es domain
Internet ipaddress and mailsevers
IP Addresses: 29,491,825.
Number of Internet Users (2014)
Spain makes up 1.20% of the world's Internet users and it ranked on 19 place compared to other countries in the world.
According to data from internetlivestats.com there are 35,010,273 internet users in Spain, which makes up about 74.38% of Spain's population (47,066,402).
Search for .es domains on google Spain - See link
SOURCES OF INFORMATION
Domain Count Statistics for TLDs - See link