Robtex

Up: 81.20.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.20.112.0/21
Down right: 81.20.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.20.112.4	PTR	goe-0-sw-a.internet.goetel.net
81.20.112.10	A	service.goetel.net
81.20.112.11	A	auth.ns.goetel.net
81.20.112.12	A	ns.goetel.net
81.20.112.13	A	vsnkundendialog.de
81.20.112.29	A	mail.gate.goetel.net
81.20.112.33	A	mail.dt-goettingen.de
81.20.112.51	PTR	51.112.20.81.dsl.sta.goetel.net
81.20.112.51	A	mail.fairer-handel-online.de
81.20.112.51	A	mail.espresso-bio.de
81.20.112.60	A	mail.hsk-goettingen.de
81.20.112.82	A	mail.plath-raumkultur.de
81.20.112.102	A	mengenoack.de
81.20.112.102	A	remote.menge-noack.de
81.20.112.106	A	remote.kuester.de
81.20.112.134	A	mx1.ascgoettingen.de
81.20.112.134	A	cr-asc.dsl.sta.goetel.net
81.20.112.134	A	mail.asc46.de
81.20.112.155	A	mx0.pro-bg.de
81.20.112.162	A	mail.fp-goettingen.de
81.20.113.12	A	auth.ns2.goetel.net
81.20.113.13	A	ns2.goetel.net
81.20.113.14	A	mailout.goetel.net
81.20.113.19	A	htsonline.net
81.20.113.19	A	htsonline.eu
81.20.113.19	A	hts-online.eu
81.20.113.27	A	hogrefe-publishing.com
81.20.113.56	A+PTR	speedtest.goetel.net
81.20.113.66	A+PTR	mail-out.prof-schumann.de
81.20.113.69	A+PTR	smtp1.prof-schumann.de
81.20.113.118	A	gpgmbh.de
81.20.113.130	A+PTR	mx.aqua-institut.de
81.20.113.130	A	mail.aqua-institut.de
81.20.113.131	PTR	www.basisdokumenation-aqua-institut.de
81.20.113.131	A	iqiv.de
81.20.113.131	A	europaeisches-praxisassessment.de
81.20.113.132	PTR	pool-132.visitatie.de
81.20.113.146	A	visotool.at
81.20.113.147	A	50in5.de
81.20.113.149	A	swisspep.net
81.20.113.149	A	www.equam.eu
81.20.113.162	A	hcqs.de
81.20.113.162	A	aqua-institut.de
81.20.113.162	A	konsiladviser.com
81.20.113.243	PTR	lavision.de
81.20.113.243	A	digitalimagecorrelation.com
81.20.113.243	A	lavision.eu
81.20.114.12	A	ip4-81-20-114-12.dyn.goetel.net
81.20.114.32	PTR	ip4-81-20-114-32.dyn.goetel.net
81.20.114.58	A	ip4-81-20-114-58.dyn.goetel.net
81.20.114.66	A+PTR	ip4-81-20-114-66.dyn.goetel.net
81.20.114.116	A	ip4-81-20-114-116.dyn.goetel.net
81.20.114.123	A	ip4-81-20-114-123.dyn.goetel.net
81.20.114.144	PTR	ip4-81-20-114-144.dyn.goetel.net
81.20.114.174	A	ip4-81-20-114-174.dyn.goetel.net
81.20.114.221	A	ip4-81-20-114-221.dyn.goetel.net
81.20.114.235	A	tatuetata.de
81.20.115.13	A	ip4-81-20-115-13.dyn.goetel.net
81.20.115.20	A	020-goettingen.goip.de
81.20.115.48	A+PTR	ip4-81-20-115-48.dyn.goetel.net
81.20.115.54	A	ip4-81-20-115-54.dyn.goetel.net
81.20.115.75	A	ip4-81-20-115-75.dyn.goetel.net
81.20.115.94	A	jjse-tn.ddns.net
81.20.115.155	A	ip4-81-20-115-155.dyn.goetel.net
81.20.115.172	A	ip4-81-20-115-172.dyn.goetel.net
81.20.116.7	A	lnx3.hogrefe.de
81.20.116.11	A	hogrefe.ru
81.20.116.11	A	psychjob.de
81.20.116.11	A	psychatwork.de
81.20.116.16	PTR	stage.testzentrale.de
81.20.116.16	A	hogrefe-testsystem.com
81.20.116.16	A	www.hogrefe-testsystem.com
81.20.116.21	A	www.hgf.de
81.20.116.21	A	hgf.de
81.20.116.127	PTR	fra-0-bng-a.internet.goetel.net
81.20.116.132	PTR	web.goetel.net
81.20.116.132	A	mail.rtinlorentz.de
81.20.116.132	A	rtinlorentz.de
81.20.116.133	A+PTR	www.sysy.com
81.20.116.133	A	sysy.com
81.20.116.206	A+PTR	mailsrv.devk-goettingen.de
81.20.117.2	PTR	ge-0-2.cr-ageas-vbs.goe.goetel.net
81.20.117.10	A	smtp.mylife-leben.de
81.20.117.11	A	fortuna.mylife-leben.de
81.20.117.22	A	docmoney24.com
81.20.117.22	A	docmoney24.de
81.20.117.22	A	mylife-insurance.de
81.20.118.16	PTR	16.118.20.81.dsl.sta.goetel.net
81.20.118.28	A	mail02.iba-lifesciences.com
81.20.118.32	PTR	32.118.20.81.dsl.sta.goetel.net
81.20.118.34	A+PTR	mail.goesf.de
81.20.118.34	A	mail.xn--gsf-sna.de
81.20.118.48	PTR	48.118.20.81.dsl.sta.goetel.net
81.20.118.50	PTR	50.118.20.81.dsl.sta.goetel.net
81.20.118.64	PTR	64.118.20.81.dsl.sta.goetel.net
81.20.118.74	A	mail.hsk-goettingen.de
81.20.118.122	A	mx01.ekw-it.de
81.20.118.172	A	mail.vesting-stb.de
81.20.119.37	A	www.jakobsoftware.de
81.20.119.37	A	verkaufen-macht-freude.de
81.20.119.37	A	avgdeutschland.de
81.20.120.62	A	tatuetata.de
81.20.121.12	A	ip4-81-20-121-12.dyn.goetel.net
81.20.121.68	A	ip4-81-20-121-68.dyn.goetel.net
81.20.121.76	A	ip4-81-20-121-76.dyn.goetel.net
81.20.121.220	A	ip4-81-20-121-220.dyn.goetel.net
81.20.121.225	PTR	225.121.20.81.dsl.dyn.goetel.net
81.20.121.233	A	ip4-81-20-121-233.dyn.goetel.net