Robtex

Up: 212.54.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 212.54.48.0/21
Down right: 212.54.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.54.49.119	A	mail.trajectumcollege.nl
212.54.50.31	A	mail.ideefixe.nl
212.54.50.49	A	mail2.tccweb.nl
212.54.50.160	A	mail2.groenekruiszorg.nl
212.54.50.160	A	mail2.groenekruisdomicura.nl
212.54.51.44	A+PTR	sbc200-sig607-2.mnd.tss.as9143.net
212.54.51.44	A	mvoipb1.ziggo.nl
212.54.51.45	A	mvoip1.ziggo.nl
212.54.51.100	A+PTR	siptrunk-sipt.ziggo.nl
212.54.51.109	A	sip.sipnl.net
212.54.51.109	A	voiptrunk.sipnl.net
212.54.52.4	A+PTR	news.iss.as9143.net
212.54.52.4	A	news.tilbu1.nb.home.nl
212.54.52.4	A	nntp.multikabel.net
212.54.52.11	PTR	speedtest.mnd.bulk.iss.as9143.net
212.54.52.84	A+PTR	speedtest1.mnd.bulk.iss.as9143.net
212.54.52.85	A+PTR	speedtest2.mnd.bulk.iss.as9143.net
212.54.54.11	A	mx.tb.acc.ukmail.iss.as9143.net
212.54.55.11	A+PTR	mx.mnd.acc.ukmail.iss.as9143.net
212.54.56.11	A+PTR	mx.tb.ukmail.iss.as9143.net
212.54.57.58	A	marcbrouwers.nl
212.54.57.68	A+PTR	mx1.tb.ukmail.iss.as9143.net
212.54.57.69	A+PTR	mx2.tb.ukmail.iss.as9143.net
212.54.57.80	A+PTR	smtp1.tb.ukmail.iss.as9143.net
212.54.57.81	A+PTR	smtp2.tb.ukmail.iss.as9143.net
212.54.57.82	A+PTR	smtp3.tb.ukmail.iss.as9143.net
212.54.57.96	A+PTR	smtpq1.tb.ukmail.iss.as9143.net
212.54.57.97	A+PTR	smtpq2.tb.ukmail.iss.as9143.net
212.54.57.98	A+PTR	smtpq3.tb.ukmail.iss.as9143.net
212.54.57.99	A+PTR	smtpq4.tb.ukmail.iss.as9143.net
212.54.58.11	A+PTR	mx.mnd.ukmail.iss.as9143.net
212.54.59.70	PTR	mx3.mnd.ukmail.iss.as9143.net
212.54.59.72	A+PTR	mx5.mnd.ukmail.iss.as9143.net
212.54.62.20	PTR	wtv201-prt1.zl.iptv.vss.as9143.net
212.54.62.32	PTR	vlan101-net28.ht.iptv.vss.as9143.net
212.54.62.33	A+PTR	vlan101-gw.ht.iptv.vss.as9143.net
212.54.62.37	A+PTR	wtv201-prt2.ht.iptv.vss.as9143.net
212.54.62.58	A	orbit202-prt1.tb.iptv.vss.as9143.net
212.54.62.59	A	orbit202-prt2.tb.iptv.vss.as9143.net
212.54.62.60	A	orbit203-prt1.tb.iptv.vss.as9143.net
212.54.62.61	A	orbit203-prt2.tb.iptv.vss.as9143.net
212.54.62.68	PTR	wtv201-prt1.vnn.iptv.vss.as9143.net
212.54.62.97	A+PTR	vlan101-gw.gv.iptv.vss.as9143.net
212.54.62.116	A+PTR	wtv201-prt1.bd.iptv.vss.as9143.net
212.54.62.132	A	tbg-vx-cedexis.live.dyncdn.horizon.tv
212.54.63.226	A+PTR	mms.ziggo.nl