Robtex

Up: 180.180.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 180.180.192.0/23
Down right: 180.180.194.0/23

IP	Type	Hostname
180.180.192.144	PTR	node-121c.pool-180-180.dynamic.totbb.net
180.180.192.235	PTR	node-123v.pool-180-180.dynamic.totbb.net
180.180.193.5	A	node-124l.pool-180-180.dynamic.totinternet.net
180.180.193.97	PTR	node-1275.pool-180-180.dynamic.totbb.net
180.180.193.179	A	node-129f.pool-180-180.dynamic.totinternet.net
180.180.194.10	A+PTR	node-12bu.pool-180-180.dynamic.totbb.net
180.180.194.227	A	node-12hv.pool-180-180.dynamic.totbb.net
180.180.195.97	A+PTR	node-12ld.pool-180-180.dynamic.totbb.net
180.180.195.239	A	node-12pb.pool-180-180.dynamic.totinternet.net