Robtex

Up: 77.75.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 77.75.160.0/22
Down right: 77.75.164.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.75.160.0	PTR	77.75.160.0.customers.telelet.dk
77.75.160.8	A	herbert.mneme.dk
77.75.160.8	A	mneme.dk
77.75.160.42	PTR	77.75.160.42.customers.telelet.dk
77.75.160.42	A	messworks.net
77.75.160.42	A	snabelb.dk
77.75.160.64	PTR	77.75.160.64.customers.telelet.dk
77.75.160.99	PTR	77.75.160.99.customers.telelet.dk
77.75.160.99	A	mobilhuset.dk
77.75.160.125	A	ns1.wannafind.dk.aniqa.com
77.75.160.128	PTR	77.75.160.128.customers.telelet.dk
77.75.160.192	PTR	77.75.160.192.customers.telelet.dk
77.75.160.196	A	eilsborg.dk
77.75.160.206	A	mx3.blackmailme.dk
77.75.161.2	PTR	77.75.161.2.customers.telelet.dk
77.75.161.2	A	www.meho.vimur.dk
77.75.161.2	A	*.meho.vimur.dk
77.75.161.73	PTR	77.75.161.73.customers.telelet.dk
77.75.161.73	A	mail.srisuda.net
77.75.161.73	A	srisuda.net
77.75.161.102	A	tobynet.dk
77.75.161.137	PTR	77.75.161.137.customers.telelet.dk
77.75.161.154	PTR	77.75.161.154.customers.telelet.dk
77.75.161.154	A	westenholz.com
77.75.161.163	PTR	77.75.161.163.customers.telelet.dk
77.75.161.163	A	thuejk.dk
77.75.161.163	A	www.thuejk.dk
77.75.161.192	PTR	77.75.161.192.customers.telelet.dk
77.75.161.214	A	mortenaksdal.com
77.75.161.214	A	exchange.mortenaksdal.com
77.75.161.229	A	eckhausen.dk
77.75.161.229	A	zaiqun.dk
77.75.161.231	A	redbyte.dk
77.75.161.231	A	perssonklanen.dk
77.75.162.39	A	sharkteam.dk
77.75.162.58	A	findmoneyexchange.com
77.75.162.66	PTR	77.75.162.66.customers.telelet.dk
77.75.162.66	A	www.tbkol.dk
77.75.162.66	A	tbkol.dk
77.75.162.103	A	nordicsoftware.dk
77.75.162.103	A	sportsklubben.dk
77.75.162.107	PTR	77.75.162.107.customers.telelet.dk
77.75.162.107	A	kabinettet.dk
77.75.162.107	A	mail.nmfp.dk
77.75.162.135	A	spanning.dk
77.75.162.135	A	mail.spanning.dk
77.75.162.160	PTR	77.75.162.160.customers.telelet.dk
77.75.162.192	PTR	77.75.162.192.customers.telelet.dk
77.75.162.224	PTR	77.75.162.224.customers.telelet.dk
77.75.163.0	PTR	77.75.163.0.customers.telelet.dk
77.75.163.32	PTR	77.75.163.32.customers.telelet.dk
77.75.163.36	A	mail.personalekonsulenten.dk
77.75.163.36	A	personalekonsulenten.dk
77.75.163.40	PTR	77.75.163.40.customers.telelet.dk
77.75.163.40	A	finnja.dk
77.75.163.40	A	mail.finnja.dk
77.75.163.64	PTR	77.75.163.64.customers.telelet.dk
77.75.163.70	A	meltinis.org
77.75.163.96	PTR	77.75.163.96.customers.telelet.dk
77.75.163.128	PTR	77.75.163.128.customers.telelet.dk
77.75.163.160	PTR	77.75.163.160.customers.telelet.dk
77.75.163.192	PTR	77.75.163.192.customers.telelet.dk
77.75.163.200	PTR	77.75.163.200.customers.telelet.dk
77.75.163.224	PTR	77.75.163.224.customers.telelet.dk
77.75.163.238	A	mail.uzivo.com
77.75.163.238	A	*.uzivo.com
77.75.164.0	PTR	77.75.164.0.customers.telelet.dk
77.75.164.16	PTR	77.75.164.16.customers.telelet.dk
77.75.164.25	PTR	77.75.164.25.customers.telelet.dk
77.75.164.26	PTR	77.75.164.26.customers.telelet.dk
77.75.164.32	PTR	77.75.164.32.customers.telelet.dk
77.75.164.36	A	mail.soerensen.se
77.75.164.115	PTR	77.75.164.115.customers.telelet.dk
77.75.164.179	A	kenwacker.dk
77.75.164.180	A	floff.dk
77.75.164.180	A	nessej.dk
77.75.164.185	PTR	77.75.164.185.customers.telelet.dk
77.75.165.19	PTR	77.75.165.19.customers.telelet.dk
77.75.165.35	PTR	77.75.165.35.customers.telelet.dk
77.75.165.35	A	acom64.com
77.75.165.35	A	webparken.com
77.75.165.53	A	www.sepermuta.com
77.75.165.85	A	baztion.dk
77.75.165.116	A	lerkenfeld.dk
77.75.165.153	PTR	77.75.165.153.customers.telelet.dk
77.75.165.153	A	provanguard.com
77.75.165.178	PTR	77.75.165.178.customers.telelet.dk
77.75.165.178	A	skovengen.skjaerlund.dk
77.75.165.178	A	mail.skjaerlund.dk
77.75.166.2	A	mail.tolkeudstyr.dk
77.75.166.43	PTR	77.75.166.43.customers.telelet.dk
77.75.166.120	PTR	77.75.166.120.customers.telelet.dk
77.75.166.128	PTR	77.75.166.128.customers.telelet.dk
77.75.166.130	PTR	77.75.166.130.customers.telelet.dk
77.75.166.130	A	mailscanner2.telelet.net
77.75.166.131	PTR	77.75.166.131.customers.telelet.dk
77.75.166.131	A	mail.4syd.dk
77.75.166.131	A	mail.telelet.dk
77.75.166.136	A	db2.telelet.net
77.75.166.137	A	01.logger.telelet.net
77.75.166.138	PTR	77.75.166.138.customers.telelet.dk
77.75.166.138	A	mobi-let.dk
77.75.166.195	A	dns2.telelet.net
77.75.166.196	A	monitor.telelet.net
77.75.167.0	PTR	77.75.167.0.customers.telelet.dk
77.75.167.18	PTR	77.75.167.18.customers.telelet.dk
77.75.167.18	A	clauskj3r.com
77.75.167.74	PTR	77.75.167.74.customers.telelet.dk
77.75.167.82	PTR	77.75.167.82.customers.telelet.dk
77.75.167.210	PTR	77.75.167.210.customers.telelet.dk