Robtex

Up: 212.233.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 212.233.248.0/23
Down right: 212.233.250.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.233.248.6	PTR	212-233-248-6-trojan.optisprint.net
212.233.248.245	A	new.elmatech.eu
212.233.249.88	PTR	212-233-249-88.optisprint.net
212.233.249.250	PTR	212-233-249-250-lovech.optisprint.net
212.233.250.5	A	garderobe-outlet.com
212.233.250.35	PTR	earth.rso.bg
212.233.250.35	A	ltprofilmetali.com
212.233.250.35	A	dc-c7c3bd91c367.martiparti.tk
212.233.250.36	PTR	212-233-250-36.optisprint.net
212.233.250.36	A	ns2.rso-hosting.com
212.233.250.37	PTR	212-233-250-37-pleven.optisprint.bg
212.233.250.38	PTR	212-233-250-38.optisprint.net
212.233.250.38	A	nnn.network
212.233.250.45	A	19thofnovember.com
212.233.250.78	PTR	212-233-250-78-pleven.optisprint.bg
212.233.250.78	A	e-invoice.bg
212.233.251.7	PTR	212-233-251-7.optisprint.net
212.233.251.7	A	bgvpn.net
212.233.251.42	PTR	212-233-251-42-pleven.optisprint.bg
212.233.251.42	A	hd-studio.tk