Robtex

Up: 164.40.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 164.40.248.0/22
Down right: 164.40.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.40.248.2	A+PTR	remote.okitex.net
164.40.248.2	A+PTR	mx1.westfra.net
164.40.248.2	A	mx1.westfra.com
164.40.250.5	A	mail.klubsport77.mk
164.40.250.5	A	mail.evrotip.mk
164.40.250.5	A	klubsport77.mk
164.40.250.10	A	ks77.webhop.net
164.40.250.26	A+PTR	mail.okitex.net
164.40.250.40	A+PTR	mail.silkroadbank.com.mk
164.40.250.40	A	mail.alphabank.com.mk
164.40.250.140	A+PTR	exc.mod.gov.mk
164.40.250.140	A	mailmorm.morm.gov.mk
164.40.250.140	A	mailmod.mod.gov.mk
164.40.250.150	A+PTR	morm.gov.mk
164.40.254.140	PTR	mail.mo.gov.mk