ip address :

0 192.168.101.254/24 192.168.101.0 ether1
1 172.66.50.1/24 172.66.50.0 ether2
2 10.10.10.254/24 10.10.10.0 ether3
3 100.100.100.254/24 100.100.100.0 ether4

how to combine all ip into 1 line in script
example 192.168.101.254/24, 172.66.50.1/24, 10.10.10.254/24, 100.100.100.254/24