Robtex

Up: 83.228.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.228.87.0/25
Down right: 83.228.87.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.228.87.4	A	bs-host-004.burgas-airport.bg
83.228.87.5	A	bs-host-005.burgas-airport.bg
83.228.87.11	A	mail.burgas-airport.bg
83.228.87.15	A	bs-host-015.burgas-airport.bg
83.228.87.21	A+PTR	smtp.burgas-airport.bg
83.228.87.21	A+PTR	ns1.varna-airport.bg
83.228.87.21	A	ns.burgas-airport.bg
83.228.87.23	A	bs-host-023.burgas-airport.bg
83.228.87.26	A	bs-host-026.burgas-airport.bg
83.228.87.32	A	bs-host-032.burgas-airport.bg
83.228.87.36	A	bs-host-036.burgas-airport.bg
83.228.87.46	A	bs-host-046.burgas-airport.bg
83.228.87.49	A	bs-host-049.burgas-airport.bg
83.228.87.50	A	bs-host-050.burgas-airport.bg
83.228.87.57	A	bs-host-057.burgas-airport.bg
83.228.87.62	A	bs-host-062.burgas-airport.bg
83.228.87.67	A	bs-host-067.burgas-airport.bg
83.228.87.78	A	bs-host-078.burgas-airport.bg
83.228.87.79	A	bs-host-079.burgas-airport.bg
83.228.87.94	A	bs-host-094.burgas-airport.bg
83.228.87.99	A	bs-host-099.burgas-airport.bg
83.228.87.109	A	bs-host-109.burgas-airport.bg
83.228.87.121	A	bs-host-121.burgas-airport.bg
83.228.87.135	A	bs-host-135.burgas-airport.bg
83.228.87.143	A	bs-host-143.burgas-airport.bg
83.228.87.144	A	bs-host-144.burgas-airport.bg
83.228.87.160	A	bs-host-160.burgas-airport.bg
83.228.87.161	A	bs-host-161.burgas-airport.bg
83.228.87.168	A	bs-host-168.burgas-airport.bg
83.228.87.172	A	bs-host-172.burgas-airport.bg
83.228.87.173	A	bs-host-173.burgas-airport.bg
83.228.87.175	A	bs-host-175.burgas-airport.bg
83.228.87.185	A	bs-host-185.burgas-airport.bg
83.228.87.187	A	bs-host-187.burgas-airport.bg
83.228.87.192	A	bs-host-192.burgas-airport.bg
83.228.87.201	A	bs-host-201.burgas-airport.bg
83.228.87.206	A	bs-host-206.burgas-airport.bg
83.228.87.210	A	bs-host-210.burgas-airport.bg
83.228.87.217	A	bs-host-217.burgas-airport.bg
83.228.87.219	A	bs-host-219.burgas-airport.bg
83.228.87.234	A	bs-host-234.burgas-airport.bg
83.228.87.239	A	bs-host-239.burgas-airport.bg
83.228.87.242	A	bs-host-242.burgas-airport.bg
83.228.87.252	A	bs-host-252.burgas-airport.bg
83.228.87.255	A	bs-host-255.burgas-airport.bg