Robtex

Up: 83.228.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 83.228.44.0/23
Down right: 83.228.46.0/23

IP	Type	Hostname
83.228.44.168	A	rs-dimitrovgrad.com
83.228.45.23	PTR	23-45-228-83.btc-net.bg
83.228.45.129	PTR	129-45-228-83.btc-net.bg
83.228.46.52	PTR	83-228-46-52.ip.btc-net.bg
83.228.47.16	A+PTR	83-228-47-16.ip.btc-net.bg
83.228.47.26	PTR	83-228-47-26.ip.btc-net.bg
83.228.47.26	A	bgpost.net
83.228.47.26	A	www.bgpost.net
83.228.47.45	A+PTR	83-228-47-45.ip.btc-net.bg
83.228.47.75	A+PTR	83-228-47-75.ip.btc-net.bg