Robtex

Up: 144.168.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 144.168.48.0/23
Down right: 144.168.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
144.168.48.10	PTR	144.168.49.10.static.nyinternet.net
144.168.48.10	A	statsocial.com
144.168.48.30	PTR	144.168.48.30.static.nyinternet.net
144.168.48.101	A	mail.tvgm.com
144.168.48.139	PTR	144.168.49.139.static.nyinternet.net
144.168.48.139	A	esmars.com
144.168.48.139	A	mdtimestudy.com
144.168.48.141	A+PTR	phyc01vmw03.phycaresolutions.com
144.168.48.141	A	mail.mdtimestudy.com
144.168.49.41	A	qwertyo3.com
144.168.49.46	PTR	144.168.49.46.static.nyinternet.net
144.168.49.46	A	dc-2d84b9be.qwertyc.net
144.168.49.46	A	qcp.qwertyc.net
144.168.49.220	PTR	144.168.49.220.static.nyinternet.net
144.168.49.220	A	p2pstore.net
144.168.49.220	A	dc-46916d08d96e.oldairproducts.com
144.168.51.1	A	bronxleb.org
144.168.51.1	A	www.bronxleb.org