Robtex

Up: 155.133.6.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 155.133.7.0/25
Down right: 155.133.7.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
155.133.7.9	A+PTR	pawel.ak-com.pl
155.133.7.10	PTR	ns.ab-telkom.pl
155.133.7.10	A	poczta.ab-telkom.pl
155.133.7.10	A	ns.ak-com.pl
155.133.7.11	A+PTR	ns2.ak-com.pl
155.133.7.11	A	ns2.ab-telkom.pl
155.133.7.17	A+PTR	ak.nat.g1.r3.ak-com.pl
155.133.7.36	A+PTR	beata.ak-com.pl