Robtex

Up: 212.123.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 212.123.96.0/20
Down right: 212.123.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.123.96.27	A	radius01.ip-exchange.de
212.123.96.58	A	ip-partner.ag
212.123.96.58	A	content-colo.net
212.123.96.58	A	ipexchange.eu
212.123.96.101	A+PTR	ns1.ip-exchange.de
212.123.96.101	A	ns1.pri-dns.de
212.123.96.101	A	ns1.ipx-server.de
212.123.96.110	A	dns01.ip-exchange.de
212.123.96.130	A	db01.ip-exchange.de
212.123.96.138	A	mx1.ip-exchange.de
212.123.96.210	A+PTR	db02.ip-exchange.de
212.123.96.227	A	backup01.ipx-server.de
212.123.96.228	A	backup01.ip-exchange.de
212.123.96.250	A	watchdog01.ip-exchange.de
212.123.97.99	PTR	fe-0-0.ca1.nbg3.content-core.net
212.123.97.129	PTR	gw.rtr1.core1.nbg1.ip-exchange.de
212.123.97.185	PTR	gw.rtr1.core1.nbg1.ip-exchange.de
212.123.98.101	A+PTR	ns2.ip-exchange.de
212.123.98.101	A	ns2.ipx-server.de
212.123.98.101	A	ns1.sec-dns.de
212.123.99.129	PTR	gw.rtr1.colo4.muc1.content-colo.net
212.123.99.189	PTR	gw.rtr1.colo4.muc1.content-colo.net
212.123.99.190	PTR	gw.rtr1.colo3.muc1.content-colo.net
212.123.100.100	PTR	ns1.sec-dns.de
212.123.101.16	A	mail.mb-datalab.de
212.123.103.10	A	ip-exchange.de
212.123.103.129	PTR	ge3-1-60.cr1.nbg1.content-core.net
212.123.103.177	PTR	gw.rtr2.colo1.nbg1.content-colo.net
212.123.105.94	A	mediapartner-staudacher.de
212.123.105.150	PTR	www.cal-consult.de
212.123.105.150	A	caltacho.nl
212.123.105.150	A	cal-consult.net
212.123.105.151	PTR	www.caltacho.de
212.123.106.24	A	beldean.de
212.123.106.24	A	mail.xn--glcksritter-uhb.de
212.123.106.24	A	mail.comic-store.de
212.123.106.58	A	mail.sauna-quelle.com
212.123.106.142	A	counter.pcgames.de
212.123.108.1	A+PTR	smtpgw.computec.de
212.123.108.2	A	owa.computec.de
212.123.108.5	A	computec.de
212.123.108.5	A	mail.computec.de
212.123.108.8	A	computec.de
212.123.111.58	A	mail.defacto-development.de
212.123.111.211	PTR	mx.netlogix.de
212.123.111.211	A	mx.gw-netlogix.de
212.123.111.242	A	kuepper.net
212.123.111.242	A	susanna.de
212.123.112.5	PTR	gate.rth.tretkowski.de
212.123.112.57	PTR	gw.cr-1-2.muc1.content-core.net
212.123.112.58	PTR	fw-of.muc1.ip-exchange.de
212.123.113.34	A	styria.info
212.123.118.13	A	mail.wasntme.de
212.123.119.31	A	mail.visage-imaging.com
212.123.119.31	A	mail.visage-imaging.net
212.123.119.31	A	mail.visageimaging.net
212.123.123.10	A	lo0.rtr1.colo1.nbg1.ip-exchange.de
212.123.123.10	A	rtr1.colo1.nbg1.ip-exchange.de
212.123.123.79	A	five2twelve.de
212.123.123.79	A	mail.five2twelve.de
212.123.123.226	PTR	p1-91.rtr1.colo1.nbg1.content-colo.net
212.123.124.1	PTR	gw.rtr2.colo1.nbg1.content-colo.net
212.123.124.1	A	hosgate.your-server.de
212.123.124.3	A+PTR	apc1.ims.de
212.123.124.3	A	mail.dbsystems.de
212.123.124.4	A+PTR	apc2.ims.de
212.123.124.90	A	euro-ix.de
212.123.125.1	PTR	gw.rtr2.colo1.nbg1.content-colo.net
212.123.125.1	A	hosgate.your-server.de
212.123.126.1	PTR	tenge3-3.47.cr1.muc2.content-core.net
212.123.126.1	A	hosgate.your-server.de
212.123.126.34	PTR	ge1-2.cr1.nbg5.content-core.net
212.123.126.65	PTR	gw.rtr1.core1.nbg1.content-core.net
212.123.126.67	A+PTR	endace02.ip-exchange.de
212.123.126.68	A+PTR	endace03.ip-exchange.de
212.123.126.69	A	endace04.ip-exchange.de
212.123.126.75	A	acc02.ip-exchange.de
212.123.127.1	A	hosgate.your-server.de
212.123.127.210	A	mail.gvg-media.de
212.123.127.210	A	gvg-media.de