Robtex

Up: 66.138.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.138.16.0/21
Down right: 66.138.24.0/21

IP	Type	Hostname
66.138.19.2	PTR	adsl-66-138-19-2.dsl.elpstx.swbell.net
66.138.19.200	A	adsl-66-138-19-200.dsl.elpstx.swbell.net
66.138.19.211	A	adsl-66-138-19-211.dsl.elpstx.swbell.net
66.138.20.2	A	aquivamos.net
66.138.22.2	A	adsl-66-138-22-2.dsl.elpstx.swbell.net
66.138.25.99	A	adsl-66-138-25-99.dsl.elpstx.swbell.net
66.138.26.153	A	mail.acr-dc.com
66.138.28.2	A+PTR	adsl-66-138-28-2.dsl.elpstx.swbell.net
66.138.28.75	A	adsl-66-138-28-75.dsl.elpstx.swbell.net
66.138.30.17	PTR	adsl-66-138-30-17.dsl.elpstx.swbell.net
66.138.30.92	A	adsl-66-138-30-92.dsl.elpstx.swbell.net