Robtex

Up: 164.128.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 164.128.32.0/20
Down right: 164.128.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
164.128.32.11	A	i79zhh-020-loo0.bb.ip-plus.net
164.128.33.6	PTR	china-netcom-gig0.bb.ip-plus.net
164.128.33.62	A	tesion1-00-ser0.ce.ip-plus.net
164.128.33.101	PTR	i79zhh-000-new-gig4-14.bb.ip-plus.net
164.128.33.206	A	speedy-de-mgmt.ip-plus.net
164.128.36.32	A+PTR	mailout.ip-plus.net
164.128.36.34	A+PTR	ns1.ip-plus.net
164.128.36.34	A	*.secretel.net
164.128.36.34	A	www.sefar.co.id
164.128.36.35	PTR	statpoll.ip-plus.net
164.128.36.71	A	custmail.ip-plus.net
164.128.36.73	A	fallbacktest.ip-plus.net
164.128.36.74	A	resolv1.ip-plus.net
164.128.36.75	A	resolv2.ip-plus.net
164.128.36.195	A	plutoweb.ip-plus.net
164.128.36.197	A	my2.ip-plus.net
164.128.36.200	A	ns4.ip-plus.net
164.128.36.200	A	newsfeed2-zh.ip-plus.net
164.128.37.17	A	imaginetics.ch
164.128.38.36	PTR	i79zhh-tunnelswitcher1-gig0-1.bb.ip-plus.net
164.128.38.129	A+PTR	anyres1-s2.ip-plus.net
164.128.39.1	PTR	i79zhh-0t9-xxx.bb.ip-plus.net
164.128.43.150	A	nembus.ip-plus.net
164.128.45.103	A+PTR	spzhh01.securepop.ch
164.128.46.68	A	ns2.dp-research.com
164.128.46.68	A	ns2.dp-research.ch
164.128.46.85	PTR	mail.okay.ch
164.128.46.210	PTR	mail.bsiag.com
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
164.128.58.70	PTR	nezo-00-ser0.ce.ip-plus.net
164.128.58.198	PTR	ipp-amci-ch-rip-r-001-fas0-1.ce.ip-plus.net
164.128.58.226	PTR	mundi-00-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
164.128.63.126	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