According to http://mirror.switch.ch/ they will start dropping the top 25 repositories on November 1st, 2018. The Gentoo repository is among them. Reproducible: Always
Init7 (Swiss ISP) has taken over the duty of mirroring everything SWITCH used to: https://mirror.init7.net/ https://mirror.init7.net/gentoo/ Addresses: 109.202.202.202 2001:1620::1620