olemus
levinuim domeeninimele "localhost" vastav IP-aadress
standardsete mittemarsruuditavate silmustusaadresside
vahemikust 127.0.0.0, ... , 127.255.255.254

ülevaateid
https://www.makeuseof.com/tag/what-is-127-0-0-1-localhost-loopback-address/

https://www.tech-faq.com/127-0-0-1.html

https://en.wikipedia.org/wiki/Localhost

standard
https://tools.ietf.org/html/rfc6761

vt ka
- 0.0.0.0