Robtex

Up: 198.51.228.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 198.51.228.0/24
Down right: 198.51.229.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.51.228.4	A	fw-man1.hntb.com
198.51.228.5	A	fw-policy.hntb.com
198.51.228.5	A	fw-man2.hntb.com
198.51.228.6	A	fw-man3.hntb.com
198.51.228.6	A	mail.unitedkingdomhosting.com
198.51.228.6	A	fw-report.hntb.com
198.51.228.100	A	hntbw31.hntb.com
198.51.229.2	A	fw-hntb1.hntb.com
198.51.229.3	A	fw-hntb2.hntb.com
198.51.229.31	A	ra.hntb.com
198.51.229.55	A	extranet.hntb.com
198.51.229.59	A+PTR	www.hntbdashport.com
198.51.229.59	A+PTR	hntbdashport.com
198.51.229.59	A+PTR	www.hntb-dev.com
198.51.229.64	A	mdm.hntb.com
198.51.229.65	A	fs.hntb.com
198.51.229.130	A+PTR	mail.hntbmail.org
198.51.229.130	A	borderhighwayeast.com
198.51.229.132	A	admin.hntb.com
198.51.229.140	A	ns3.hntb.com
198.51.229.141	A+PTR	nsdc1.hntb.com
198.51.229.200	A	ftp.hntb.com
198.51.229.201	A+PTR	smtp1.hntb.com
198.51.229.208	A	mdm.hntb.com