Robtex

Up: 5.159.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 5.159.200.0/22
Down right: 5.159.204.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.159.200.33	PTR	5-159-200-33.static.beaming.biz
5.159.200.33	A	hbmiller.co.uk
5.159.200.33	A	webmail.hbmiller.co.uk
5.159.200.36	A	mail.avnelgold.com
5.159.200.36	A	mail.kalana.co.uk
5.159.200.50	A+PTR	remote.hpcharity.co.uk
5.159.200.66	PTR	mail.parkholidays.com
5.159.200.67	A+PTR	smtp.parkholidays.com
5.159.200.68	A+PTR	mymail.parkholidays.com
5.159.200.201	PTR	static.greeninsurance.co.uk
5.159.200.203	A+PTR	mail.greeninsurance.co.uk
5.159.200.218	A+PTR	mail.ashdownhurrey.co.uk
5.159.200.218	A	exchange.ashdownhurrey.co.uk
5.159.201.129	A+PTR	outbound.corpssecurity.co.uk
5.159.202.10	A+PTR	mail.parkholidays.com
5.159.202.10	A	mail1.parkholidaysuk.com
5.159.202.10	A	mail.parkholidaysuk.com
5.159.202.81	PTR	5-159-202-81.static.beaming.biz
5.159.205.18	PTR	5-159-205-18.static.beaming.biz
5.159.205.18	A	bexhillcommunitybus.co.uk
5.159.205.18	A	www.hastingslifeboat.org.uk