Robtex

Up: 185.37.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 185.37.140.0/25
Down right: 185.37.140.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.37.140.12	A+PTR	smtp-pre-in-sepo.stejtech.net
185.37.140.12	A	smtp-bmx-in-sepo.stejtech.net
185.37.140.13	A	smtp-post-in-sepo.stejtech.net
185.37.140.14	A	smtp-pre-out-sepo.stejtech.net
185.37.140.15	A	smtp-post-out-sepo.stejtech.net
185.37.140.16	A	martinsen-dk.mx1.staysecuregroup.com
185.37.140.16	A	heiredal-com.mx1.staysecuregroup.com
185.37.140.16	A	andresens-vvs-dk.mx1.staysecuregroup.com
185.37.140.20	PTR	smtp-pmx-c4-ip4-h1.staysecuregroup.com
185.37.140.20	A	spam4.nova-c.dk
185.37.140.20	A	mx01.jl-it.dk
185.37.140.21	A+PTR	smtp-auth-c4-ip4-h1.staysecuregroup.com
185.37.140.200	A+PTR	ns400.stejtech.net
185.37.140.200	A	ns4.staysecure.se
185.37.140.200	A	ns400.staysecuregroup.net