http://mirror.ash.fastserv.com/centos/7.7.1908/os/x86_64/
http://mirror.cogentco.com/pub/linux/centos/7.7.1908/os/x86_64/
http://centos4.zswap.net/7.7.1908/os/x86_64/
http://repo1.ash.innoscale.net/centos/7.7.1908/os/x86_64/
http://mirror.cs.vt.edu/pub/CentOS/7.7.1908/os/x86_64/
http://us.mirror.nsec.pt/centos/7.7.1908/os/x86_64/
http://mirrors.advancedhosters.com/centos/7.7.1908/os/x86_64/
http://repos-va.psychz.net/centos/7.7.1908/os/x86_64/
http://mirror.vtti.vt.edu/centos/7.7.1908/os/x86_64/
http://mirror.vcu.edu/pub/gnu_linux/centos/7.7.1908/os/x86_64/