Robtex

Up: 91.211.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 91.211.32.0/22
Down right: 91.211.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.211.34.38	A	ns4.telgo.at
91.211.34.51	A	db2-test.at.telgo.cc
91.211.35.1	PTR	sgw3.at.telgo.cc
91.211.35.1	A	ops.competence.com
91.211.35.2	PTR	ns2.competence.com
91.211.35.2	A	mx1.telgomobile.de
91.211.35.2	A	ns2.telgo.org
91.211.35.3	PTR	ns1.competence.com
91.211.35.4	PTR	ftp.ops.competence.com
91.211.35.12	A	bioflos.com
91.211.35.31	A	git.at.telgo.cc
91.211.35.35	A	www.1a.com
91.211.35.35	A	1a.com
91.211.35.78	A	telgo.at
91.211.35.78	A	www.telgo.at
91.211.35.78	A	telgo.eu
91.211.35.212	PTR	telgomobilemgw02.at.telgo.cc
91.211.35.212	A	pgw.telgo.cc
91.211.35.222	A	mx2.telgomobile.at
91.211.35.240	A+PTR	pgw.telgo.cc
91.211.35.241	PTR	www.telgo.cc
91.211.36.3	A+PTR	ns4.sochi-online.com
91.211.36.3	A	ns.xn--80aaynbi9e.xn--p1ai
91.211.36.4	A+PTR	proxy.sochi-online.com
91.211.36.4	A	mamashin.ru
91.211.36.16	PTR	ip-91-211-36-16.net.sochi-online.com
91.211.36.16	A	sochi-online.com
91.211.36.16	A	www.sochi-online.com
91.211.36.44	PTR	ip-91-211-36-44.net.sochi-online.com
91.211.36.44	A	msk-gw.sochi-online.com
91.211.37.13	PTR	ip-91-211-37-13.net.sochi-online.com
91.211.37.13	A	valmax.site
91.211.37.13	A	www.valmax.site
91.211.37.50	A+PTR	mail.flux-haus.ru
91.211.37.68	PTR	ip-91-211-37-68.net.sochi-online.com
91.211.37.68	A	mail.prof-realty.pro
91.211.37.77	PTR	cisco3725-tun10.sochi-online.com
91.211.37.124	PTR	ip-91-211-37-124.net.sochi-online.com
91.211.37.124	A	mx.n-u.su
91.211.38.2	A+PTR	sch.bcs.ru
91.211.39.3	A+PTR	ns5.sochi-online.com
91.211.39.23	PTR	ip-91-211-39-23.net.sochi-online.com
91.211.39.255	PTR	ip-91-211-39-255.net.sochi-online.com