Robtex

Up: 213.228.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.228.139.0/25
Down right: 213.228.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.228.139.5	A	ca-213-228-139-5.netvisao.pt
213.228.139.8	A+PTR	ca-213-228-139-8.netvisao.pt
213.228.139.11	A+PTR	ca-213-228-139-11.netvisao.pt
213.228.139.11	A	bestemprego.rjpserver.com
213.228.139.11	A	temperosdaanokas.com
213.228.139.23	A	ca-213-228-139-23.netvisao.pt
213.228.139.31	A	ideiacentral.net
213.228.139.34	PTR	ca-213-228-139-34.netvisao.pt
213.228.139.34	A	mx1.tecnopartes.pt
213.228.139.34	A	mail.parabolica.com.pt
213.228.139.140	PTR	ca-213-228-139-140.netvisao.pt
213.228.139.255	PTR	ca-213-228-139-255.netvisao.pt