您所在区域的以下镜像应具有可用的ISO映像：
http://mirrors.neusoft.edu.cn/centos/8.3.2011/isos/x86_64/http://mirrors.163.com/centos/8.3.2011/isos/x86_64/
http://mirrors.ustc.edu.cn/centos/8.3.2011/isos/x86_64/
http://ftp.sjtu.edu.cn/centos/8.3.2011/isos/x86_64/
http://mirrors.tuna.tsinghua.edu.cn/centos/8.3.2011/isos/x86_64/
http://mirrors.bfsu.edu.cn/centos/8.3.2011/isos/x86_64/
http://mirrors.aliyun.com/centos/8.3.2011/isos/x86_64/
http://mirrors.huaweicloud.com/centos/8.3.2011/isos/x86_64/
http://mirrors.njupt.edu.cn/centos/8.3.2011/isos/x86_64/
http://mirrors.cqu.edu.cn/CentOS/8.3.2011/isos/x86_64/
Other mirrors further away:
http://ftp.twaren.net/Linux/CentOS/8.3.2011/isos/x86_64/http://ftp.stu.edu.tw/Linux/CentOS/8.3.2011/isos/x86_64/
http://ftp.tc.edu.tw/Linux/CentOS/8.3.2011/isos/x86_64/
http://centos.cs.nctu.edu.tw/8.3.2011/isos/x86_64/
http://mirror01.idc.hinet.net/centos/8.3.2011/isos/x86_64/
http://centos.ccns.ncku.edu.tw/centos/8.3.2011/isos/x86_64/
http://free.nchc.org.tw/centos/8.3.2011/isos/x86_64/
http://ftp.ksu.edu.tw/pub/CentOS/8.3.2011/isos/x86_64/
http://mirror-hk.koddos.net/centos/8.3.2011/isos/x86_64/
http://centos.nethub.com.hk/8.3.2011/isos/x86_64/
http://mirror.hostlink.com.hk/centos/8.3.2011/isos/x86_64/
http://mirror.worria.com/centos/8.3.2011/isos/x86_64/
http://mirrors.icidc.com/centos/8.3.2011/isos/x86_64/
http://mirror.hkt.cc/centos/8.3.2011/isos/x86_64/
http://centos.01link.hk/8.3.2011/isos/x86_64/
http://mirror.xtom.com.hk/centos/8.3.2011/isos/x86_64/
http://repo.virtualhosting.hk/centos/8.3.2011/isos/x86_64/
http://hk.mirrors.thegigabit.com/centos/8.3.2011/isos/x86_64/
http://centos.uhost.hk/8.3.2011/isos/x86_64/
http://ftp.cuhk.edu.hk/pub/Linux/centos/8.3.2011/isos/x86_64/
+ others, see the full list of mirrors: https://www.centos.org/download/mirrors/
