I have tried this Apt-cache server on ubuntu 10.10, and it worked. But, now i'm using ubuntu 12.04 and all tutorial inside that page not working for me :
Ign http://136.198.117.4 precise/main Translation-en
W: Failed to fetch http://136.198.117.4:3142/id.archive.ubuntu.com/ubuntu/dists/precise/main/source/Sources 403 Forbidden