Robtex

Up: 68.65.212.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 68.65.212.0/24
Down right: 68.65.213.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.65.212.251	A	mx2.r8f.org
68.65.212.251	A	mx2.r9j.org
68.65.212.251	A	mx1.r8f.org
68.65.212.252	A	cendal.org
68.65.212.252	A	r8f.org
68.65.212.253	A	ns1.r8f.org
68.65.212.253	A	ns1.r9j.org
68.65.212.254	A	ns2.r8f.org
68.65.212.254	A	ns2.clearaction.org
68.65.212.254	A	ns2.r9j.org
68.65.213.3	PTR	3.smart-dns.net
68.65.213.6	PTR	6.smart-dns.net
68.65.213.14	PTR	host-68-65-213-14.essensys.co.uk
68.65.213.21	PTR	21.smart-dns.net
68.65.213.22	PTR	host-68-65-213-22.essensys.co.uk
68.65.213.45	PTR	45.smart-dns.net
68.65.213.46	PTR	46.smart-dns.net
68.65.213.59	PTR	59.smart-dns.net
68.65.213.66	PTR	66.smart-dns.net
68.65.213.86	PTR	86.smart-dns.net
68.65.213.107	PTR	host-68-65-213-107.essensys.co.uk
68.65.213.126	PTR	126.smart-dns.net
68.65.213.135	PTR	host-68-65-213-135.essensys.co.uk
68.65.213.140	PTR	140.smart-dns.net
68.65.213.142	PTR	142.smart-dns.net
68.65.213.157	PTR	68.65.213.157.netwrx.net
68.65.213.158	PTR	host-68-65-213-158.essensys.co.uk
68.65.213.166	PTR	166.smart-dns.net
68.65.213.171	PTR	171.smart-dns.net
68.65.213.172	PTR	172.smart-dns.net
68.65.213.178	PTR	68.65.213.178.netwrx.net
68.65.213.182	PTR	host-68-65-213-182.essensys.co.uk
68.65.213.186	PTR	186.smart-dns.net
68.65.213.188	PTR	188.colostore.net
68.65.213.195	PTR	195.smart-dns.net
68.65.213.197	PTR	197.smart-dns.net
68.65.213.206	PTR	206.smart-dns.net
68.65.213.210	PTR	host-68-65-213-210.essensys.co.uk
68.65.213.226	PTR	226.smart-dns.net
68.65.213.234	PTR	234.smart-dns.net
68.65.213.236	PTR	host-68-65-213-236.essensys.co.uk
68.65.213.241	PTR	241.smart-dns.net
68.65.213.243	PTR	243.smart-dns.net
68.65.213.246	PTR	246.smart-dns.net
68.65.213.251	PTR	251.smart-dns.net
68.65.213.252	PTR	252.smart-dns.net
68.65.213.253	PTR	253.smart-dns.net
68.65.213.254	PTR	254.smart-dns.net