Robtex

Up: 193.33.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.33.72.0/24
Down right: 193.33.73.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.33.72.21	A	mail1.it4your.biz
193.33.72.22	A+PTR	spam.it4your.biz
193.33.72.23	A+PTR	exchapp.it4your.biz
193.33.72.23	A+PTR	ftp.it4your.biz
193.33.72.23	PTR	www.it4your.biz
193.33.72.25	PTR	freebase.it4your.biz
193.33.72.25	A+PTR	fwa.it4your.biz
193.33.72.26	PTR	securemail.it4your.biz
193.33.72.26	A	securemail2.it4your.biz
193.33.72.27	A	spam4.it4your.biz
193.33.72.27	A	spam3.it4your.biz
193.33.72.30	PTR	dns3.it4your.biz
193.33.72.31	PTR	dns4.it4your.biz
193.33.72.32	A+PTR	vital.it4your.biz
193.33.72.34	A	ts.it4your.biz
193.33.72.36	PTR	anubismail.it4your.biz
193.33.72.36	A+PTR	outbound.it4your.biz
193.33.72.39	A+PTR	devgateway.it4your.biz
193.33.72.39	A	gateway.it4your.biz
193.33.72.44	A+PTR	evault.it4your.biz