Robtex

Up: 109.199.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 109.199.139.0/25
Down right: 109.199.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
109.199.139.38	A+PTR	19088.telnet.bg
109.199.139.55	A+PTR	19105.telnet.bg
109.199.139.58	A	vilihoteli.com
109.199.139.58	A	bgjournal.com
109.199.139.58	A	infocatalogbg.com
109.199.139.106	A	19156.telnet.bg
109.199.139.155	A	19205.telnet.bg