Robtex

Up: 217.129.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.129.40.0/22
Down right: 217.129.44.0/22

IP	Type	Hostname
217.129.40.132	PTR	ff-217-129-40-132.netvisao.pt
217.129.41.178	PTR	ff-217-129-41-178.netvisao.pt
217.129.42.66	PTR	ff-217-129-42-66.netvisao.pt
217.129.43.4	PTR	ff-217-129-43-4.netvisao.pt
217.129.43.13	PTR	ff-217-129-43-13.netvisao.pt
217.129.43.16	PTR	ff-217-129-43-16.netvisao.pt
217.129.43.35	PTR	ff-217-129-43-35.netvisao.pt
217.129.43.43	PTR	ff-217-129-43-43.netvisao.pt
217.129.43.49	PTR	ff-217-129-43-49.netvisao.pt
217.129.43.56	PTR	ff-217-129-43-56.netvisao.pt
217.129.43.59	PTR	ff-217-129-43-59.netvisao.pt
217.129.43.75	PTR	ff-217-129-43-75.netvisao.pt
217.129.43.97	PTR	ff-217-129-43-97.netvisao.pt
217.129.43.131	PTR	ff-217-129-43-131.netvisao.pt
217.129.43.247	PTR	ff-217-129-43-247.netvisao.pt