Robtex

Up: 216.128.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.128.152.0/22
Down right: 216.128.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.128.152.129	PTR	02-ocil-003.dial.optilinkcomm.net
216.128.152.147	PTR	02-ocil-015.dial.optilinkcomm.net
216.128.156.30	PTR	kratos.e-c-group.com
216.128.156.30	A	vielle.net
216.128.156.30	A	www.ngtelecom.com
216.128.156.31	A	ecg.co
216.128.158.25	PTR	01-wayc-006.dial.optilinkcomm.net