Robtex

Up: 64.111.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.111.80.0/21
Down right: 64.111.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.111.80.1	PTR	acn-dps.acndigital.net
64.111.80.5	A	dns03.acndigital.net
64.111.80.16	PTR	acn-dps.acndigital.net
64.111.80.16	A	eu-speed.acndigital.net
64.111.80.32	PTR	acn-dps.acndigital.net
64.111.80.50	PTR	acn-dps.acndigital.net
64.111.80.67	PTR	acn-dps.acndigital.net
64.111.80.96	PTR	acn-dps.acndigital.net
64.111.80.130	PTR	acn-dps.acndigital.net
64.111.80.130	A	prox-hnt.ams01.acndigital.net
64.111.80.145	PTR	acn-dps.acndigital.net
64.111.80.179	PTR	acn-dps.acndigital.net
64.111.80.208	PTR	acn-dps.acndigital.net
64.111.80.210	PTR	acn-dps.acndigital.net
64.111.81.3	A+PTR	cr01.sjc01.acndigital.net
64.111.81.4	A+PTR	cr02.sjc01.acndigital.net
64.111.82.0	PTR	domain.not.configured
64.111.82.145	PTR	domain.not.configured
64.111.84.88	A	ht7xx.yul01.acndigital.net
64.111.84.127	A	companion.yul01.acndigital.net
64.111.84.226	PTR	acn-dps.acndigital.net
64.111.87.65	PTR	dsl-user.acndigital.net
64.111.88.96	PTR	dsl-user.acndigital.net
64.111.88.97	PTR	dsl-user.acndigital.net
64.111.88.179	PTR	dsl-user.acndigital.net
64.111.88.208	PTR	dsl-user.acndigital.net
64.111.89.178	PTR	dsl-user.acndigital.net
64.111.90.115	PTR	dsl-user.acndigital.net
64.111.90.138	A	mail.jadezia.com
64.111.90.210	A	*.fxos.com
64.111.90.210	A	*.jadezia.com
64.111.90.210	A	www.jadezia.com
64.111.90.241	PTR	dsl-user.acndigital.net
64.111.91.224	A	smtp.fxos.com
64.111.93.2	PTR	dsl-user.acndigital.net
64.111.93.82	PTR	dsl-user.acndigital.net