Robtex

Up: 87.252.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.252.160.0/20
Down right: 87.252.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.252.161.68	PTR	68-161-252-87.filibe.net
87.252.161.94	PTR	94-161-252-87.filibe.net
87.252.161.143	PTR	143-161-252-87.filibe.net
87.252.166.136	PTR	136-166-252-87.filibe.net
87.252.166.246	PTR	246-166-252-87.filibe.net
87.252.167.30	PTR	30-167-252-87.filibe.net
87.252.167.30	A	mail.powersys-bg.com
87.252.167.30	A	powersys-bg.com
87.252.169.58	A	pagu.plcnet.org
87.252.171.22	PTR	22-171-252-87.filibe.net
87.252.171.26	PTR	26-171-252-87.filibe.net
87.252.171.110	PTR	110-171-252-87.filibe.net
87.252.171.112	PTR	112-171-252-87.filibe.net
87.252.171.113	PTR	113-171-252-87.filibe.net
87.252.171.131	PTR	131-171-252-87.filibe.net
87.252.171.132	PTR	132-171-252-87.filibe.net
87.252.172.130	PTR	130-172-252-87.filibe.net
87.252.172.138	PTR	138-172-252-87.filibe.net
87.252.172.174	PTR	174-172-252-87.filibe.net
87.252.173.11	A	bravopavlikeni.com
87.252.173.11	A	smtp.bravopavlikeni.com
87.252.173.11	A	smtp.rentalbg.com
87.252.173.99	PTR	fire.filibe.net
87.252.173.99	A	ns.3stroi.com
87.252.173.99	A	admins4rent.com
87.252.173.197	A	offershunters.com
87.252.174.6	A	www.spnetbg.com
87.252.174.6	A	spnetbg.com
87.252.174.10	PTR	10-174-252-87.filibe.net
87.252.174.40	PTR	40-174-252-87.filibe.net
87.252.174.136	PTR	136-174-252-87.filibe.net
87.252.174.138	PTR	138-174-252-87.filibe.net
87.252.174.141	PTR	141-174-252-87.filibe.net
87.252.174.142	PTR	142-174-252-87.filibe.net
87.252.174.170	PTR	170-174-252-87.filibe.net
87.252.175.138	PTR	138-175-252-87.filibe.net
87.252.177.253	PTR	253-177-252-87.filibe.net
87.252.177.253	A	gvalkov.com
87.252.178.9	PTR	9-178-252-87.filibe.net
87.252.180.140	A	ns.gec.rakursy.com
87.252.180.140	A	ns.askr.rakursy.com
87.252.180.140	A	gec.rakursy.com
87.252.180.144	A	lib-assenovgrad.com
87.252.180.250	A	mail.askr.rakursy.com
87.252.180.250	A	askr.rakursy.com
87.252.181.185	PTR	185-181.252-87.filibe.net
87.252.182.101	A	titandekaron.com
87.252.182.101	A	*.zandekaron.com
87.252.182.183	A	plovdivmap.com
87.252.182.183	A	jordemi.com
87.252.183.184	PTR	184-183-252-87.filibe.net
87.252.184.3	A+PTR	mx0.leader96.com
87.252.184.161	PTR	161-184-252-87.lan-star.com
87.252.186.21	A	philipopolis.eu
87.252.186.21	A	mail.mariobutti.com
87.252.188.139	PTR	139-188-252-87.filibe.net
87.252.190.161	A	bg.lgp.bg
87.252.190.161	A	titov.host.bg.lgp.bg
87.252.190.161	A	*.lgp.bg
87.252.191.122	PTR	122-191-252.filibe.net
87.252.191.122	A	mail.maahi.co.uk