Robtex

Up: 87.239.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 87.239.158.0/25
Down right: 87.239.158.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.239.158.34	PTR	host-34.net-158.sof.zulu.bg
87.239.158.34	A	mail.transprint-bg.com
87.239.158.34	A	mail.magicgatebg.com
87.239.158.35	PTR	rax2.hostcoloreurope.com
87.239.158.35	A	mail.klimexbg.com
87.239.158.35	A	mail.dekamex.com
87.239.158.36	PTR	host-36.net-158.sof.zulu.bg
87.239.158.36	A	mail.bgfactor.org
87.239.158.36	A	www.ort-seattable.com
87.239.158.37	PTR	host-37.net-158.sof.zulu.bg
87.239.158.37	A	www.5rov.com
87.239.158.37	A	mail.mediacross.bg
87.239.158.38	PTR	87.239.158.38
87.239.158.44	A	mail.fcolor.bg
87.239.158.47	PTR	host-47.net-158.sof.zulu.bg
87.239.158.47	A	backup.webnick.net
87.239.158.52	PTR	host-52.net-158.sof.zulu.bg
87.239.158.52	A	mail.nasoki.com
87.239.158.52	A	dragon.webnick.net
87.239.158.53	PTR	host-53.net-158.sof.zulu.bg
87.239.158.53	A	mail.bgmedia.bg
87.239.158.53	A	seagull.webnick.net
87.239.158.54	PTR	host-54.net-158.sof.zulu.bg
87.239.158.67	PTR	host-67.net-158.sof.zulu.bg
87.239.158.68	PTR	host-68.net-158.sof.zulu.bg
87.239.158.71	PTR	system.cloud.bg
87.239.158.71	A	noena.be
87.239.158.84	A	ns1.rusbg.net
87.239.158.85	A	ns2.rusbg.net
87.239.158.90	PTR	server1.flag-bg.com
87.239.158.92	PTR	host-92.net-158.sof.zulu.bg
87.239.158.92	A	mail.make-banner.com
87.239.158.92	A	old.dimyana.com
87.239.158.94	PTR	87.239.158.94
87.239.158.96	PTR	host-96.net-158.sof.zulu.bg
87.239.158.96	A	mail.malele.info
87.239.158.96	A	www.registur.info
87.239.158.98	PTR	host-98.net-158.sof.zulu.bg
87.239.158.98	A	mail.jobtool.bg
87.239.158.98	A	ns1.jobtool.bg
87.239.158.99	PTR	host-99.net-158.sof.zulu.bg
87.239.158.99	A	ns2.jobtool.bg
87.239.158.114	PTR	host-114.net-158.sof.zulu.bg
87.239.158.114	A	ns1.hapche.net
87.239.158.115	PTR	host-115.net-158.sof.zulu.bg
87.239.158.124	PTR	host-124.net-158.sof.zulu.bg
87.239.158.131	A	registry.bcpea.org
87.239.158.150	PTR	i-dobrev.info
87.239.158.150	A	mihaylov.me
87.239.158.156	PTR	host-156.net-158.sof.zulu.bg
87.239.158.178	PTR	host-178.net-158.sof.zulu.bg
87.239.158.194	PTR	host-194.net-158.sof.zulu.bg
87.239.158.194	A	mail.hydra-service.com
87.239.158.194	A	hydra-service.com
87.239.158.223	PTR	host-223.net-158.sof.zulu.bg
87.239.158.244	PTR	host-244.net-158.sof.zulu.bg