Robtex

Up: 193.203.106.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.203.107.0/25
Down right: 193.203.107.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.203.107.2	PTR	193-203-107-2.impresa.pt
193.203.107.2	A	mx1.infoportugal.info
193.203.107.10	PTR	193-203-107-10.impresa.pt
193.203.107.10	A	a.mx.mail.aeiou.pt
193.203.107.23	PTR	193-203-107-23.impresa.pt
193.203.107.133	A+PTR	ns2.impresa.pt
193.203.107.134	A	mail.impresa.pt
193.203.107.134	A	maila.officeshare.pt
193.203.107.134	A	autodiscover.impresa.pt
193.203.107.135	A+PTR	outbound.impresa.pt
193.203.107.135	A	mailb.officeshare.pt
193.203.107.137	PTR	bdinfo.gesco.pt
193.203.107.137	PTR	193-203-107-137.impresa.pt
193.203.107.137	A	test.expresso.pt
193.203.107.165	A	promo.impresa.pt
193.203.107.166	A	mail.webzone.impresa.pt
193.203.107.170	PTR	193-203-107-170.impresa.pt
193.203.107.170	A	www.assineja.pt
193.203.107.171	PTR	193-203-107-171.impresa.pt
193.203.107.174	PTR	193-203-107-174.impresa.pt
193.203.107.174	A	actingout.pt
193.203.107.174	A	news.impresapublishing.pt
193.203.107.175	A	*.assineja.pt
193.203.107.179	PTR	impresapublishing.pt
193.203.107.179	PTR	aeiou.expressoemprego.pt
193.203.107.179	PTR	clix.expressoemprego.pt
193.203.107.181	PTR	193-203-107-181.impresa.pt
193.203.107.181	A	assineja.pt
193.203.107.183	A+PTR	expressoemprego.pt
193.203.107.183	A+PTR	new.expressoemprego.pt
193.203.107.183	PTR	193-203-107-183.impresa.pt
193.203.107.230	PTR	193-203-107-230.impresa.pt
193.203.107.230	A+PTR	pfsense.impresa.pt
193.203.107.250	PTR	193-203-107-250.impresa.pt
193.203.107.250	A	os3.officeshare.pt