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

http://mirror.cogentco.com/pub/linux/centos/8-stream/isos/aarch64/
http://mirror.vtti.vt.edu/centos/8-stream/isos/aarch64/
http://mirror.cs.vt.edu/pub/CentOS/8-stream/isos/aarch64/
http://mirrors.advancedhosters.com/centos/8-stream/isos/aarch64/
http://us.mirror.nsec.pt/centos/8-stream/isos/aarch64/
http://mirror.centos.iad1.serverforge.org/8-stream/isos/aarch64/

http://repos.eggycrew.com/centos/8-stream/isos/aarch64/
http://mirror.chpc.utah.edu/pub/centos/8-stream/isos/aarch64/
http://mirror.nodespace.net/centos/8-stream/isos/aarch64/
http://mirror.ette.biz/centos/8-stream/isos/aarch64/
http://mirror.phx1.us.spryservers.net/centos/8-stream/isos/aarch64/
http://mirrors.mit.edu/centos/8-stream/isos/aarch64/
http://mirrors.rit.edu/centos/8-stream/isos/aarch64/
http://mirrors.maine.edu/CentOS/8-stream/isos/aarch64/
http://linux.mirrors.es.net/centos/8-stream/isos/aarch64/
http://mirror.genesisadaptive.com/centos/8-stream/isos/aarch64/
http://ftpmirror.your.org/pub/centos/8-stream/isos/aarch64/
http://packages.oit.ncsu.edu/centos/8-stream/isos/aarch64/
http://mirrors.oit.uci.edu/centos/8-stream/isos/aarch64/
http://centos.mirror.lstn.net/8-stream/isos/aarch64/
http://distro.ibiblio.org/centos/8-stream/isos/aarch64/
http://linux-mirrors.fnal.gov/linux/centos/8-stream/isos/aarch64/
http://nc-centos-mirror.iwebfusion.net/centos/8-stream/isos/aarch64/
http://mirrors.xmission.com/centos/8-stream/isos/aarch64/
http://mirrors.seas.harvard.edu/centos/8-stream/isos/aarch64/
http://mirrors.rcs.alaska.edu/centos/8-stream/isos/aarch64/
http://mirrors.raystedman.org/centos/8-stream/isos/aarch64/
http://mirror.vacares.com/centos/8-stream/isos/aarch64/
http://mirrors.radwebhosting.com/centos/8-stream/isos/aarch64/
http://mirror.arizona.edu/centos/8-stream/isos/aarch64/
+ others, see the full list of mirrors: https://www.centos.org/download/mirrors/

Mirrors verified Thu Jan 27 05:03:26 2022 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