Robtex

Up: 69.48.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 69.48.176.0/21
Down right: 69.48.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.48.184.1	PTR	gw1.nyctnygm.ispnet.net
69.48.184.1	A	voice1.nyctnygm.ispnetinc.net
69.48.184.1	A	gw1.nyctnygm.ispnetinc.net
69.48.184.2	PTR	gw2.nyctnygm.ispnet.net
69.48.184.2	A	gw2.nyctnygm.ispnetinc.net
69.48.186.4	A+PTR	mail0.fwd.ispnet.net
69.48.186.4	A	mail0.fwd.ispnetinc.net
69.48.186.12	A	mail1.fwd.ispnet.net
69.48.186.12	A	mail1.fwd.ispnetinc.net
69.48.186.20	A+PTR	mail2.fwd.ispnet.net
69.48.186.20	A	mail2.fwd.ispnetinc.net
69.48.186.20	A	smtp.fwd.ispnet.net
69.48.186.36	A+PTR	mail4.fwd.ispnet.net
69.48.186.36	A	smtp.fwd.ispnet.net
69.48.186.36	A	smtp.fwd.ispnetinc.net
69.48.190.248	A	rpb2.nwrknjmd.ispnetinc.net
69.48.190.254	A	gi-0-1-700.gw1.nwrknjmd.ispnetinc.net
69.48.191.11	A	mcf-rtr3.mcf.com
69.48.191.12	A	mcf-rtr2.mcf.com
69.48.191.254	PTR	gw1.nwrknjmd.ispnet.net