Robtex

Up: 164.128.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 164.128.48.0/21
Down right: 164.128.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.128.49.197	PTR	i64bei-001-gig1-1x6.bb.ip-plus.net
164.128.50.8	A	yeonghwa.co.kr
164.128.50.10	A	yeonghwa.co.kr
164.128.50.11	A	yeonghwa.co.kr
164.128.53.66	PTR	me.fanki.ch
164.128.53.202	A+PTR	www.soreco.ch
164.128.53.202	A	ivyteam.com
164.128.53.202	A	www.ivyteam.com
164.128.53.203	PTR	mail.soreco.ch
164.128.54.34	A+PTR	bymsghu13.bouygues-construction.com
164.128.54.34	A	gate.losinger.ch
164.128.54.34	A	mail.by-de.com
164.128.58.2	PTR	ipp-gpai-ch-dih-r-002-gig0-1.ce.ip-plus.net
164.128.58.6	PTR	ipp-arvi-ch-pra-r-002-gig0-1.ce.ip-plus.net
164.128.58.18	PTR	wwbc-00-ser0.ce.ip-plus.net
164.128.58.70	PTR	nezo-00-ser0.ce.ip-plus.net
164.128.58.86	PTR	ipp-vini-ch-etd-r-002-gig0-1.ce.ip-plus.net
164.128.58.117	PTR	i62bsw-061-ser1-0x1-2-2-1x0.bb.ip-plus.net
164.128.58.178	PTR	ipp-dila-ch-len-r-001-fas0-1.ce.ip-plus.net
164.128.58.182	PTR	ipp-nibi-ch-nic-r-004-gig0-1.ce.ip-plus.net
164.128.58.198	PTR	ipp-amci-ch-rip-r-001-fas0-1.ce.ip-plus.net
164.128.58.209	PTR	i62bsw-061-ser1-0x1-1-6-3x0.bb.ip-plus.net
164.128.58.210	PTR	test001-ser0.ce.ip-plus.net
164.128.58.226	PTR	mundi-00-ser0.ce.ip-plus.net
164.128.58.246	PTR	ipp-bipi-ch-pra-r-001-ser0.ce.ip-plus.net
164.128.61.66	A+PTR	mail.ferrum.ch
164.128.61.66	A	mail.ferrum.net
164.128.61.68	PTR	mail.ferrum.ch
164.128.61.73	PTR	mail1.ferrum.net
164.128.61.73	A	mail1.ferrum.ch
164.128.61.73	A	mail1.ferrumchina.com
164.128.61.82	A	imap.ferrum.ch
164.128.63.126	A	nss-lab-bsl.ip-plus.net
164.128.63.163	PTR	www.jungheinrich.ch
164.128.63.212	A	mail.mueller-frick.com
164.128.63.216	A	smtp.mueller-frick.com
164.128.63.221	A	smtpout.mueller-frick.com