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/ppc64le/
http://mirror.ash.fastserv.com/centos/8-stream/isos/ppc64le/
http://mirror.vtti.vt.edu/centos/8-stream/isos/ppc64le/
http://mirrors.advancedhosters.com/centos/8-stream/isos/ppc64le/
http://forksystems.mm.fcix.net/centos/8-stream/isos/ppc64le/

http://mirror.sfo12.us.leaseweb.net/centos/8-stream/isos/ppc64le/
http://abqix.mm.fcix.net/centos/8-stream/isos/ppc64le/
http://la.mirrors.clouvider.net/CentOS/8-stream/isos/ppc64le/
http://opencolo.mm.fcix.net/centos/8-stream/isos/ppc64le/
http://mirror.team-cymru.com/CentOS/8-stream/isos/ppc64le/
http://mirror.mia11.us.leaseweb.net/centos/8-stream/isos/ppc64le/
http://mirror.steadfastnet.com/centos/8-stream/isos/ppc64le/
http://www.gtlib.gatech.edu/pub/centos/8-stream/isos/ppc64le/
http://mirror.grid.uchicago.edu/pub/linux/centos/8-stream/isos/ppc64le/
http://mirror.vacares.com/centos/8-stream/isos/ppc64le/
http://mirror.lstn.net/centos/8-stream/isos/ppc64le/
http://mirror.genesishosting.com/centos/8-stream/isos/ppc64le/
http://or-mirror.iwebfusion.net/centos/8-stream/isos/ppc64le/
http://mirrors.maine.edu/CentOS/8-stream/isos/ppc64le/
http://ftpmirror.your.org/pub/centos/8-stream/isos/ppc64le/
http://us.mirrors.virtono.com/centos/8-stream/isos/ppc64le/
http://centos.mirror.shastacoe.net/centos/8-stream/isos/ppc64le/
http://mirror.hostduplex.com/centos/8-stream/isos/ppc64le/
http://ziply.mm.fcix.net/centos/8-stream/isos/ppc64le/
http://mirrors.mit.edu/centos/8-stream/isos/ppc64le/
http://packages.oit.ncsu.edu/centos/8-stream/isos/ppc64le/
http://mirror.facebook.net/centos/8-stream/isos/ppc64le/
http://mirrors.vcea.wsu.edu/centos/8-stream/isos/ppc64le/
http://nocix.mm.fcix.net/centos/8-stream/isos/ppc64le/
http://distro.ibiblio.org/centos/8-stream/isos/ppc64le/
+ others, see the full list of mirrors: https://www.centos.org/download/mirrors/

Mirrors verified Mon Jun 5 12:35:40 2023 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