Robtex

Up: 103.15.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 103.15.168.0/22
Down right: 103.15.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.15.168.2	PTR	2.168.15.103.squiz.net
103.15.168.3	PTR	bdr1.cbr1.squiz.net
103.15.168.11	PTR	11.168.15.103.squiz.net
103.15.168.18	PTR	18.168.15.103.squiz.net
103.15.168.19	PTR	19.168.15.103.squiz.net
103.15.168.35	PTR	35.168.15.103.squiz.net
103.15.168.49	PTR	49.168.15.103.squiz.net
103.15.168.75	PTR	75.168.15.103.squiz.net
103.15.168.83	PTR	83.168.15.103.squiz.net
103.15.168.105	PTR	105.168.15.103.squiz.net
103.15.168.113	PTR	113.168.15.103.squiz.net
103.15.168.147	PTR	147.168.15.103.squiz.net
103.15.168.160	PTR	160.168.15.103.squiz.net
103.15.168.186	PTR	186.168.15.103.squiz.net
103.15.168.202	PTR	202.168.15.103.squiz.net
103.15.168.211	PTR	211.168.15.103.squiz.net
103.15.168.219	PTR	219.168.15.103.squiz.net
103.15.168.225	PTR	225.168.15.103.squiz.net
103.15.169.163	PTR	lbfloat01-cbr01-au.funnelback.com
103.15.169.163	A	search.bom.gov.au
103.15.169.163	A	agencysearch-failover.funnelback.com
103.15.169.164	PTR	lbfloat02-cbr01-au.funnelback.com
103.15.169.164	A	search.bom.gov.au
103.15.169.164	A	agencysearch-failover.funnelback.com
103.15.170.1	A+PTR	shelter-search01.ash2.squiz.cloud
103.15.170.3	A+PTR	uoab-search01.ash2.squiz.cloud
103.15.170.6	A+PTR	derbyu-search01.ash2.squiz.cloud
103.15.170.16	A+PTR	ros2-search01.ash2.squiz.cloud
103.15.170.59	A+PTR	bcs-web01.ash2.squiz.cloud
103.15.170.59	A	britishcardiovascularsociety.org
103.15.170.59	A	www.britishcardiovascularsociety.org
103.15.170.72	A	fife.gov.uk
103.15.170.110	A+PTR	ei-web03.ash2.squiz.cloud
103.15.170.110	A	publishing.energyinst.org
103.15.170.110	A	ipweek.co.uk