Robtex

Up: 198.17.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.17.4.0/25
Down right: 198.17.4.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.17.4.135	A	nat135.hitachi-cta.com
198.17.4.140	A	nat140.hitachi-cta.com
198.17.4.182	A	nat182.hitachi-cta.com
198.17.4.184	A	nat184.hitachi-cta.com
198.17.4.242	A	mx1.hitachitelecom.com
198.17.4.242	A	mx1.hitel.com
198.17.4.242	A	mx1.hitachi-cta.com
198.17.4.243	A+PTR	mx2.hitachi-cta.com
198.17.4.243	A	mx2.hitachitelecom.com
198.17.4.243	A	mx2.hitel.com
198.17.4.245	A+PTR	www.hitachi-cta.com
198.17.4.245	A	hitel.com
198.17.4.245	A	www.hitel.com
198.17.4.246	A+PTR	ns1.hitachi-cta.com
198.17.4.246	A	ns1.hitachitelecom.com
198.17.4.246	A	ns1.hitel.com
198.17.4.247	A+PTR	ns2.hitachi-cta.com
198.17.4.247	A	ns2.hitachitelecom.com
198.17.4.247	A	ns2.hitel.com
198.17.4.248	A+PTR	nsmaster.hitachi-cta.com
198.17.4.248	A	nsmaster.hitel.com