Ch (the tld of Switzerland) is a domain controlled by seven domain name servers at nic.ch having a total of 13 IP numbers. Some of them are on the same IP network.
Incae.org, cert.br, rpki.net, intochem.com, net.py and at least 141 other hosts share name servers under another name with this domain. Mxrs.ch, fritzvonbueren.ch, eikyu.ch, mustang-online.ch, joyn.ch and at least 95 other hosts are subdomains to this domain. Tsp01.ch, asc-vs.ch, larpladen.ch, iciti.ch, outinthegreen.ch and at least 95 other hosts are hosts under this domain. Ch.nl, ch.edu, ch.ua, ch.sa, ch.gp and at least 139 other hosts are similar domain names.
Also check www.ch.