Robtex

Up: 69.88.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 69.88.148.0/23
Down right: 69.88.150.0/23

IP	Type	Hostname
69.88.148.2	A+PTR	fmce.ams002.internap.com
69.88.148.5	PTR	fmgw.ams002.internap.com
69.88.148.5	A	fmgw-am4-001.vitalstreamcdn.com
69.88.148.130	PTR	cdce.ams002.internap.com
69.88.148.141	A+PTR	cdce-ams002-002.ams002.internap.com
69.88.149.13	PTR	unassigned-69-88-149-13.ams002.internap.com
69.88.149.37	A+PTR	sync-ams002-003.ams002.internap.com
69.88.149.90	PTR	unassigned-69-88-149-90.ams002.internap.com
69.88.149.132	PTR	cdce.ams002.internap.com
69.88.149.135	A+PTR	cdce.ams002.internap.com
69.88.149.135	A	http.ams002.internap.com
69.88.149.136	A+PTR	cdce.ams002.internap.com
69.88.149.136	A	http.ams002.internap.com
69.88.149.137	A+PTR	cdce.ams002.internap.com
69.88.149.137	A	http.ams002.internap.com
69.88.149.138	A+PTR	cdce.ams002.internap.com
69.88.149.138	A	http.ams002.internap.com
69.88.149.139	A+PTR	cdce.ams002.internap.com
69.88.149.139	A	http.ams002.internap.com
69.88.149.140	A+PTR	cdce.ams002.internap.com
69.88.149.140	A	http.ams002.internap.com
69.88.149.141	A+PTR	cdce.ams002.internap.com
69.88.149.141	A	http.ams002.internap.com
69.88.149.142	A+PTR	cdce.ams002.internap.com
69.88.149.142	A	http.ams002.internap.com
69.88.149.143	PTR	cdce.ams002.internap.com
69.88.149.144	PTR	cdce.ams002.internap.com
69.88.149.145	PTR	cdce.ams002.internap.com
69.88.149.146	PTR	cdce.ams002.internap.com
69.88.149.147	PTR	cdce.ams002.internap.com
69.88.149.148	PTR	cdce.ams002.internap.com
69.88.149.149	PTR	cdce.ams002.internap.com
69.88.149.150	PTR	cdce.ams002.internap.com
69.88.150.4	PTR	servlan1a.asm002.internap.com
69.88.150.37	PTR	unassigned-69-88-150-37.ams002.internap.com
69.88.150.47	PTR	unassigned-69-88-150-47.ams002.internap.com
69.88.150.142	PTR	unassigned-69-88-150-142.ams002.internap.com
69.88.150.143	PTR	unassigned-69-88-150-143.ams002.internap.com
69.88.150.150	PTR	unassigned-69-88-150-150.ams002.internap.com
69.88.150.155	PTR	unassigned-69-88-150-155.ams002.internap.com
69.88.150.156	PTR	unassigned-69-88-150-156.ams002.internap.com
69.88.151.251	A	dns3-fd.vitalstream.com