No,it has been added on all servers.
de-db01 is shown in the 1st post, but i’ll show again for completeness.
stev@de-db01:~$ ip -4 route show
default via 192.168.81.254 dev ens160 proto static
192.168.81.0/24 dev ens160 proto kernel scope link src 192.168.81.4
240.0.0.0/8 dev fan0 proto kernel scope link src 240.4.0.1
stev@de-db03:~$ ip -4 route show
default via 192.168.81.254 dev ens160 proto static
192.168.81.0/24 dev ens160 proto kernel scope link src 192.168.81.22
240.0.0.0/8 dev fan0 proto kernel scope link src 240.22.0.1
stev@de-db02:~$ ip -4 route show
default via 192.168.81.254 dev ens160 proto static
192.168.81.0/24 dev ens160 proto kernel scope link src 192.168.81.9
240.0.0.0/8 dev fan0 proto kernel scope link src 240.9.0.1
Routes have been added.