There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

Module Permissions for Net-CIDR-Set

Authorized Releasers (3)
ANDYA
RRWO
STIGTSP
Module (3) Owner (1) Co-Maintainers (2)
Net::CIDR::Set RRWO ANDYA STIGTSP
Net::CIDR::Set::IPv4 RRWO ANDYA STIGTSP
Net::CIDR::Set::IPv6 RRWO ANDYA STIGTSP