Robtex

Up: 138.66.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 138.66.30.0/24
Down right: 138.66.31.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.66.30.1	A+PTR	fwdmz.tno.it
138.66.30.2	A	fwdmz-sec.tno.it
138.66.30.4	A	vmware30.tno.it
138.66.30.5	PTR	sirio.tno.it
138.66.30.5	A	mgs.tno.it
138.66.30.5	A	csata.tno.it
138.66.30.6	A	smtp.centroiride.it
138.66.30.6	A	smtp.inea.tno.it
138.66.30.6	A	smtp.innova.puglia.it
138.66.30.7	PTR	pmadb.tno.it
138.66.30.8	A	cnosso2.tno.it
138.66.30.9	A	ntwww1.tno.it
138.66.30.10	A	as10g.csata.tno.it
138.66.30.11	A	dbserver.tno.it
138.66.30.14	A+PTR	proxy.tno.it
138.66.30.15	A+PTR	meta.tno.it
138.66.30.15	A	mirweb.tno.it
138.66.30.15	A	centroiride.it
138.66.30.17	A	css-vlan1.tno.it
138.66.30.20	A+PTR	pmaweb1.tno.it
138.66.30.26	A+PTR	king.tno.it
138.66.30.30	A	cnosso.tno.it
138.66.30.32	A+PTR	printserver-apulie.tno.it
138.66.30.34	A	agenda.tno.it
138.66.30.36	A	asmicrosofth.tno.it
138.66.30.36	A	asmicrosoft-h.tno.it
138.66.30.38	A+PTR	ubuntu01.tno.it
138.66.30.38	A	www.cchnet.it
138.66.30.38	A	cchnet.it
138.66.30.42	PTR	www.cchnetproject.it
138.66.30.42	A	cchnetproject.it
138.66.30.47	A+PTR	liferay.innova.puglia.it
138.66.30.47	A	pricesbalcani.it
138.66.30.47	A	www.innova.puglia.it
138.66.30.48	A+PTR	sirio2.tno.it