Man pages matching name anyevent::handle::udp in section 3pm:

AnyEvent::Handle::UDP.3pm.en	debian 10 / libanyevent-handle-udp-perl
AnyEvent::Handle::UDP.3pm.en	debian 11 / libanyevent-handle-udp-perl
AnyEvent::Handle::UDP.3pm.en	debian 12 / libanyevent-handle-udp-perl