Robtex

Up: 91.82.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.82.172.0/23
Down right: 91.82.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.82.172.2	A	91.82.172.2.pool.invitel.hu
91.82.172.4	A	91.82.172.4.pool.invitel.hu
91.82.172.18	A+PTR	91.82.172.18.pool.invitel.hu
91.82.172.114	A	91.82.172.114.pool.invitel.hu
91.82.172.136	A	91.82.172.136.pool.invitel.hu
91.82.172.179	A	91.82.172.179.pool.invitel.hu
91.82.172.226	A+PTR	91.82.172.226.pool.invitel.hu
91.82.173.36	A	91.82.173.36.pool.invitel.hu
91.82.173.255	A	91.82.173.255.pool.invitel.hu
91.82.174.1	PTR	mail.firstfund.hu
91.82.174.17	PTR	webmail.cez.hu
91.82.174.18	PTR	mail.hullampack.hu
91.82.174.18	A	mail.hullamdoboz.hu
91.82.174.18	A	mail.csezo.eu
91.82.174.20	PTR	mx15.ewn.hu
91.82.174.20	A	mx15.pandainvest.com
91.82.174.20	A	level2.ihrk.hu
91.82.174.39	A+PTR	mail.agromaros.hu
91.82.174.39	A	agromaros.hu
91.82.174.43	PTR	mail.kaposatlas.hu
91.82.174.54	A	videoseceye.com
91.82.174.54	A	mail.videoseceye.com
91.82.174.74	A	*.dataobject.hu
91.82.174.79	PTR	mail.megaglobal.hu
91.82.174.80	PTR	mail.itbc.hu
91.82.174.81	PTR	91.82.174.81.static.invitel.hu
91.82.174.81	A	bt.printker.hu
91.82.174.150	PTR	91.82.174.150.static.invitel.hu
91.82.174.150	A	mail2.jpress.hu
91.82.174.150	A	mail.jpress.hu
91.82.174.155	A+PTR	mail.cpbmanagement.hu
91.82.174.155	A	cpbmanagement.hu
91.82.174.184	A+PTR	technokov.invitel.hu
91.82.174.199	A+PTR	mail.emmi.hu
91.82.174.234	A+PTR	91.82.174.234.static.invitel.hu
91.82.174.234	A	mail.schneider.hu
91.82.175.17	A	91.82.175.17.pool.invitel.hu
91.82.175.74	A	mail2.plbeautycosmetics.hu
91.82.175.75	PTR	mail.tereztetoter.hu
91.82.175.89	PTR	mail.randstad.hu
91.82.175.133	A+PTR	mail.fcifurukawa.hu
91.82.175.185	A+PTR	hszgygw.hungarospa.hu
91.82.175.185	A	mail.hungarospa.hu
91.82.175.250	A+PTR	91.82.175.250.pool.invitel.hu