Robtex

Up: 217.139.88.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.139.88.0/25
Down right: 217.139.88.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.139.88.5	PTR	mx1.its.ws
217.139.88.5	PTR	mail1.djauto-egypt.com
217.139.88.85	A	mail1.almubasher-misr.com
217.139.88.250	A+PTR	mail.mnhd.com
217.139.88.250	A	ex.mnhd.net
217.139.88.250	A	owa.mnhd.com
217.139.88.251	PTR	mail.mnhd.eg
217.139.88.251	PTR	mail.mnhd.com.eg
217.139.88.251	A	ex.mnhd.com