Robtex

Up: 195.20.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 195.20.100.0/25
Down right: 195.20.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.20.100.4	A+PTR	cr2.tcy2.s.headweb.com
195.20.100.17	A+PTR	vl-503.sw1.tcy1.s.headweb.com
195.20.100.17	A	sw1.tcy1.s.headweb.com
195.20.100.18	A+PTR	vl-503.cr2.tcy2.s.headweb.com
195.20.100.35	PTR	h-195-20-100-35.headweb.com
195.20.100.39	A	igt.md
195.20.100.39	A	bar.kiev.ua
195.20.100.39	A	vpnc1-rwvpn.tcy2.s.headweb.com
195.20.100.135	PTR	ns1.headweb.com
195.20.100.136	PTR	ns2.headweb.com
195.20.100.137	A+PTR	ns3.headweb.com
195.20.100.140	A+PTR	misc1.tcy2.s.headweb.com
195.20.100.140	A	misc1.headweb.com
195.20.100.163	A+PTR	resolver1.tcy2.s.headweb.com
195.20.100.165	A+PTR	relay1.headwebmail.com
195.20.100.171	PTR	h-195-20-100-171.headweb.com
195.20.100.171	A	flowmedia.se
195.20.100.174	PTR	h-195-20-100-174.headweb.com
195.20.100.174	A	mail.headweb.com
195.20.100.178	A	relay2.headwebmail.com
195.20.100.193	PTR	h-195-20-100-193.headweb.com
195.20.100.193	A	carp-1.lb.tcy2.s.headweb.com
195.20.100.210	PTR	www.headweb.com
195.20.100.250	A+PTR	www.headweb.com
195.20.100.250	A	www.tcy2.s.headweb.com
195.20.100.251	A	static.headweb.com
195.20.100.252	PTR	ssl.headweb.se
195.20.100.252	A	filmfeber.com
195.20.100.252	A	headweb.at