Robtex

Up: 81.20.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.20.72.0/22
Down right: 81.20.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.20.72.101	A	nookeybox.com
81.20.72.101	A	nookyboxtv.com
81.20.72.101	A	nookiebox.tv
81.20.72.124	PTR	juicytv.nl
81.20.72.125	PTR	juicytv.nl
81.20.72.177	A	www.googleadwordsreklami.net.edgesuite.net.globalredir.akadns.net
81.20.72.177	A	hu.net.edgesuite.net.globalredir.akadns.net
81.20.72.177	A	*.cheapcarinsurancetips.com.edgesuite.net.globalredir.akadns.net
81.20.72.186	A	www.googleadwordsreklami.net.edgesuite.net.globalredir.akadns.net
81.20.72.186	A	hu.net.edgesuite.net.globalredir.akadns.net
81.20.72.186	A	*.cheapcarinsurancetips.com.edgesuite.net.globalredir.akadns.net
81.20.74.242	A	cust-eval2.lbwa.dn.net
81.20.75.28	A+PTR	evl3301345-pip.sys.ntt.eu
81.20.75.28	A	www.trafficguard.co.uk
81.20.76.12	A	proxy.gnresound.com
81.20.76.38	A	lyncdiscover.gnresound.com
81.20.76.52	A	autodiscover.gnresound.com
81.20.76.57	A	webmaildk.gnresound.com
81.20.76.57	A	webmail.gnresound.com
81.20.77.25	A	xe-0-3-0-5-2610.r00.lxmblc01.lu.bb.gin.ntt.net
81.20.78.1	PTR	eul1900525-pip.eu.verio.net
81.20.78.2	PTR	eul1900526-pip.eu.verio.net
81.20.78.3	PTR	eul1900527-pip.eu.verio.net
81.20.78.16	PTR	evw1900569-pip.eu.verio.net
81.20.78.17	PTR	evw1900570-pip.eu.verio.net
81.20.78.18	PTR	evw1900574-pip.eu.verio.net
81.20.78.161	PTR	eua0600041-vip-cloud.eu.verio.net
81.20.78.161	A	cloud-emea.groupalia.com
81.20.78.161	A	cloud.groupalia.com
81.20.78.166	A	www.planeo.com
81.20.78.170	PTR	eua0600041-vip-paymentproxy.eu.verio.net
81.20.78.170	A	esloultimo.com
81.20.78.170	A	offerum.com
81.20.78.184	PTR	eua0600041-vip-cache.eu.verio.net
81.20.78.184	A	mx2.grupalia.com
81.20.78.184	A	co.groupalia.com