Robtex

Up: 81.20.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.20.64.0/21
Down right: 81.20.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.20.64.5	A+PTR	ae-14.r03.amstnl02.nl.bb.gin.ntt.net
81.20.64.6	A+PTR	ae-0.hillside-bet365.amstnl02.nl.bb.gin.ntt.net
81.20.64.25	A	ge-101-0-0-28.r02.amstnl02.nl.bb.gin.ntt.net
81.20.64.41	A	xe-0-0-0-23.r03.amstnl02.nl.bb.gin.ntt.net
81.20.64.82	A+PTR	xe-0-1-0-22.r03.amstnl02.nl.ce.gin.ntt.net
81.20.64.101	A+PTR	ae-18.r00.amstnl06.nl.bb.gin.ntt.net
81.20.64.102	A+PTR	ae-0.turk-telekom.amstnl06.nl.bb.gin.ntt.net
81.20.64.126	A	ge-100-0-0-7.r03.amstnl02.nl.ce.gin.ntt.net
81.20.64.158	A	ge-101-0-0-11.r02.mdrdsp04.es.ce.gin.ntt.net
81.20.65.195	A	ns01.tomimma.com
81.20.65.196	A	ns02.tomimma.com
81.20.66.16	A	a1674.sa.akamai.net.0.1.cn.akamaitech.net
81.20.66.16	A	vejabrasilia.abril.com.br
81.20.66.16	A	msalx.vejario.abril.com.br
81.20.66.33	A	a1532.sa.akamai.net.0.1.cn.akamaitech.net
81.20.66.48	A	vejabrasilia.abril.com.br
81.20.66.48	A	msalx.vejario.abril.com.br
81.20.66.48	A	imgms.casa.abril.com.br
81.20.66.64	A	a1532.sa.akamai.net.0.1.cn.akamaitech.net
81.20.66.90	A	a1674.sa.akamai.net.0.1.cn.akamaitech.net
81.20.66.90	A	a1656.sa.akamai.net.4b04434d.1.cn.akamaitech.net
81.20.67.10	A	mpc.nl.mxptint.net
81.20.67.13	PTR	mailhost.fitnessfirst.de
81.20.67.14	A	oxp.emea.mxptint.net
81.20.67.52	A+PTR	mail.hyva.com
81.20.67.52	A	mail.hyva.be
81.20.67.52	A	mail.technamics.nl
81.20.67.193	A	ae-0.turk-telekom.amstnl02.nl.bb.gin.ntt.net
81.20.67.214	A+PTR	cpe0003701-wan-internet.eu.verio.net
81.20.68.242	A	blog.shoop.de
81.20.68.242	A	qibu.de
81.20.68.242	A	quibu.de
81.20.69.22	A	ae-1.turk-telekom.amstnl02.nl.bb.gin.ntt.net
81.20.69.129	A	ge-100-0-0-13-2401.r03.amstnl02.nl.bb.gin.ntt.net
81.20.69.197	PTR	xe-0-6-0-4.r02.amstnl02.nl.bb.gin.ntt.net
81.20.70.66	PTR	66-70-20-81.eu.verio.net
81.20.70.82	PTR	ms3.i-modeeurope.com
81.20.70.83	PTR	imfx.i-modeeurope.com
81.20.70.84	PTR	www3.i-modeeurope.com
81.20.70.97	A	cdnlw.pornburst.xxx
81.20.70.97	A	6747df11a407afdab386d56f96fd40f5.lswcdn.net
81.20.70.97	A	a07df7b65216d9bacb302c37f30b4b07.lswcdn.net
81.20.70.99	A	6747df11a407afdab386d56f96fd40f5.lswcdn.net
81.20.70.144	PTR	144-70-20-81.eu.verio.net
81.20.70.144	A	yamaha-motor.pt
81.20.70.144	A	www.yamaha-motor.cz
81.20.70.160	A+PTR	mx2.yamaha-motor.nl
81.20.70.160	A	mx1.yamaha-motor.nl
81.20.70.160	A	mx.yamaha-motor.nl
81.20.70.176	A	yamaha-de.staging.yamnet.com
81.20.70.176	A	nlyam075.yamnet.com
81.20.70.176	A	yamaha-europe.staging.yamnet.com
81.20.70.195	A	yamaha-racing.com
81.20.70.195	A	css1.yamnet.com
81.20.70.201	A	api.yamaha-motor.eu
81.20.70.201	A	css3.yamnet.com
81.20.70.213	A	destination-yamaha-motor.com
81.20.70.213	A	sport-scooter.com
81.20.70.213	A	yamaha-motor-acc.com
81.20.70.228	A	nlyam028.yamaha-motor.nl
81.20.70.234	A	nlyam024.yamnet.com
81.20.70.234	A	ns8.yamnet.com
81.20.70.235	A+PTR	ns1.yamnet.com
81.20.70.236	PTR	ns4.yamnet.com
81.20.71.139	A+PTR	smtp.itp-europe.com
81.20.71.141	PTR	www.itp-europe.com
81.20.71.141	A	itp-europe.be
81.20.71.141	A	itp-europe.biz
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
81.20.78.184	A	mx2.grupalia.com
81.20.78.184	A	co.groupalia.com
81.20.78.184	A	ns1.grupalia.com