Robtex

Up: 147.122.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 147.122.128.0/18
Down right: 147.122.192.0/18

IP	Type	Hostname
147.122.129.224	A+PTR	host-129-224.sissa.it
147.122.131.216	A	host-131-216.sissa.it
147.122.136.105	A+PTR	host-136-105.sissa.it
147.122.145.6	A+PTR	host-145-006.sissa.it
147.122.156.64	A+PTR	host-156-064.sissa.it
147.122.157.135	A	host-157-135.sissa.it
147.122.238.86	A+PTR	host-238-086.sissa.it