In order to conserve the limited bandwidth available, ISO images are not downloadable from mirror.centos.org

http://mirror.keystealth.org/centos/8.2.2004/isos/x86_64/
http://mirrors.umflint.edu/CentOS/8.2.2004/isos/x86_64/
http://mirrors.lug.mtu.edu/centos/8.2.2004/isos/x86_64/
http://centos.mirror.constant.com/8.2.2004/isos/x86_64/
http://mirrors.mit.edu/centos/8.2.2004/isos/x86_64/
http://mirror.wdc1.us.leaseweb.net/centos/8.2.2004/isos/x86_64/
http://mirrors.cmich.edu/centos/8.2.2004/isos/x86_64/
http://repos-va.psychz.net/centos/8.2.2004/isos/x86_64/
http://centos.mirrors.tds.net/pub/linux/centos/8.2.2004/isos/x86_64/
http://mirror.atl.genesisadaptive.com/centos/8.2.2004/isos/x86_64/
http://mirrors.ocf.berkeley.edu/centos/8.2.2004/isos/x86_64/
http://mirror.teklinks.com/centos/8.2.2004/isos/x86_64/
http://mirror.ilumno.com/centos/8.2.2004/isos/x86_64/
http://mirror.es.its.nyu.edu/centos/8.2.2004/isos/x86_64/
http://mirror.san.fastserv.com/pub/linux/centos/8.2.2004/isos/x86_64/
http://repo1.dal.innoscale.net/centos/8.2.2004/isos/x86_64/
http://mirror.vcu.edu/pub/gnu_linux/centos/8.2.2004/isos/x86_64/
http://mirrors.rcs.alaska.edu/centos/8.2.2004/isos/x86_64/
http://centos.mirror.ndchost.com/8.2.2004/isos/x86_64/
http://centos3.zswap.net/8.2.2004/isos/x86_64/
http://mirror.sfo12.us.leaseweb.net/centos/8.2.2004/isos/x86_64/
http://mirror.lax.genesisadaptive.com/centos/8.2.2004/isos/x86_64/
http://centos-distro.1gservers.com/8.2.2004/isos/x86_64/
http://mirror.atlanticmetro.net/centos/8.2.2004/isos/x86_64/
http://mirror.fileplanet.com/centos/8.2.2004/isos/x86_64/
http://mirror.jaleco.com/centos/8.2.2004/isos/x86_64/
http://mirror.hostduplex.com/centos/8.2.2004/isos/x86_64/
http://centos.mirror.lstn.net/8.2.2004/isos/x86_64/
http://mirror.mi.incx.net/centos/8.2.2004/isos/x86_64/
http://ftpmirror.your.org/pub/centos/8.2.2004/isos/x86_64/
+ others, see the full list of mirrors: https://www.centos.org/download/mirrors/

Mirrors verified Wed Oct 28 02:33:36 2020 UTC

You can also download the ISO images using bittorrent, a peer-to-peer file sharing protocol. The .torrent files can be found from CentOS mirrors. Various bittorrent clients are available, including (in no particular order of preference): utorrent, vuze (Azureus), BitTorrent, Deluge, ctorrent, ktorrent, rtorrent and transmission. Packaged copies of various torrent clients for CentOS can be found in the repositories listed in the following wiki article: https://wiki.centos.org/AdditionalResources/Repositories