Robtex

Up: 197.253.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 197.253.40.0/23
Down right: 197.253.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
197.253.40.22	A	venus2.pensure-nigeria.com
197.253.42.27	PTR	exchhub.updcplc.com
197.253.42.27	A	mail.lcwestafrica.com
197.253.42.27	A	mailtwo.updcplc.com
197.253.43.1	A	brightportal.net
197.253.43.27	PTR	exchsvr.stoilmgt.com
197.253.43.27	A	mail1.geomud.com
197.253.43.27	A	mail1.yadebarge.com