Ubuntu 18.04 repository error

Somehow when i try to use apt-get update i just got a mess of error. (I didnt copy all error text)

    Err:4 http://archive.ubuntu.com/ubuntu bionic InRelease
  Could not connect to archive.ubuntu.com:80 (91.189.88.162). - connect (113: No route to host) Could not connect to archive.ubuntu.com:80 (91.189.88.152). - connect (113: No route to host) Could not connect to archive.ubuntu.com:80 (91.189.88.161). - connect (113: No route to host) Could not connect to archive.ubuntu.com:80 (91.189.88.149). - connect (113: No route to host)

Source list
deb http://archive.ubuntu.com/ubuntu/ bionic main restricted
deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted

(i can put more than 2 because im new on this forum)

Also there is some info:

Distributor ID: Ubuntu
Description:    Ubuntu 18.04.1 LTS
Release:        18.04
Codename:       bionic

Im using 2 ip address but i think there is no problem my all gameserver working fine. Already check some topic with this error but nothing. Let me know if need some info or logs.

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