Robtex

Up: 64.81.134.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.81.134.0/25
Down right: 64.81.134.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.81.134.1	PTR	er1.nyc1.speakeasy.net
64.81.134.15	PTR	dsl081-134-015.nyc1.dsl.speakeasy.net
64.81.134.15	A	sazhin.net
64.81.134.23	A	westcoastparrys.com
64.81.134.35	A	mailav3.jgallery.com
64.81.134.45	A	office.zocdoc.com
64.81.134.48	PTR	dsl081-134-048.nyc1.dsl.speakeasy.net
64.81.134.48	A	mail.annepohl.com
64.81.134.48	A	*.dopeworld.com
64.81.134.64	PTR	dsl081-134-064.nyc1.dsl.speakeasy.net
64.81.134.64	A	mail.gnhp.org
64.81.134.65	PTR	mail2.alfy.com
64.81.134.69	A	mail3.jgallery.com
64.81.134.69	A	dsl081-134-069.nyc1.dsl.speakeasy.net
64.81.134.213	A	mail.johnsonlightstudio.com
64.81.134.213	A	office.johnsonlightstudio.com
64.81.134.219	PTR	easeconsulting.com
64.81.134.234	A	dsl081-134-234.nyc1.dsl.speakeasy.net
64.81.134.234	A	aeonusa.com