Robtex

Up: 213.91.236.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.91.237.0/25
Down right: 213.91.237.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.91.237.1	A+PTR	obmen2.mtitc.bg
213.91.237.1	A	mail.iaja.bg
213.91.237.6	PTR	213-91-237-6.btc-net.bg
213.91.237.19	PTR	213-91-237-19.btc-net.bg
213.91.237.22	A	elengineering.eu
213.91.237.29	PTR	213-91-237-29.btc-net.bg
213.91.237.32	PTR	213-91-237-32.btc-net.bg
213.91.237.37	PTR	213.91.237-37.btc-net.bg
213.91.237.37	A	ns2.bul-si.bg
213.91.237.37	A	mail2.bul-si.bg
213.91.237.42	PTR	213.91.237-42.btc-net.bg
213.91.237.42	A	mail.radiosonata.com
213.91.237.42	A	dns02.radiosonata.com
213.91.237.63	PTR	213-91-237-63.btc-net.bg
213.91.237.77	PTR	213-91-237-77.btc-net.bg
213.91.237.96	PTR	213.91.237-96.btc-net.bg
213.91.237.96	A	moyat.com
213.91.237.96	A	jrt-bg.com
213.91.237.112	PTR	213-91-237-112.btc-net.bg
213.91.237.115	PTR	213-91-237-115.btc-net.bg
213.91.237.125	PTR	213-91-237-125.btc-net.bg
213.91.237.154	PTR	213-91-237-154.btc-net.bg
213.91.237.156	PTR	213-91-237-156.btc-net.bg
213.91.237.165	PTR	213-91-237-165.btc-net.bg
213.91.237.171	PTR	213-91-237-171.btc-net.bg
213.91.237.173	PTR	213-91-237-173.btc-net.bg
213.91.237.183	A	home.uncleben.org
213.91.237.183	A	uncleben.org
213.91.237.186	PTR	213-91-237-186.btc-net.bg
213.91.237.203	A	1001avtochasti.com
213.91.237.203	A	mail.damax-electronic.com
213.91.237.203	A	damax-electronic.com
213.91.237.205	PTR	213-91-237-205.btc-net.bg
213.91.237.207	PTR	213-91-237-207.btc-net.bg
213.91.237.209	PTR	213-91-237-209.btc-net.bg
213.91.237.222	PTR	213-91-237-222.btc-net.bg
213.91.237.229	PTR	213-91-237-229.btc-net.bg
213.91.237.234	A	www.linux-sys-adm.com
213.91.237.234	A	mail.linux-sys-adm.com
213.91.237.236	PTR	213-91-237-236.btc-net.bg
213.91.237.239	PTR	213-91-237-239.btc-net.bg
213.91.237.243	PTR	213-91-237-243.btc-net.bg
213.91.237.247	PTR	213-91-237-247.btc-net.bg
213.91.237.252	PTR	213-91-237-252.btc-net.bg