Robtex

Up: 216.12.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.12.139.0/25
Down right: 216.12.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.12.139.23	PTR	pilat-ehrweb01.cust.servervault.com
216.12.139.25	PTR	pointone01.vpn.ops.servervault.com
216.12.139.40	A	mail.better-whois.com
216.12.139.40	A	better-whois.com
216.12.139.40	A	www.better-whois.com
216.12.139.41	A	donschafer.com
216.12.139.41	A	thosedoubtingthomases.com
216.12.139.41	A	djcassidy.net
216.12.139.42	A	ronexcorp.net
216.12.139.70	PTR	isda-fpmlweb01.cust.servervault.com
216.12.139.70	A	fpml.com
216.12.139.70	A	mail.fpml.org
216.12.139.90	PTR	ciafoia20.cust.servervault.com
216.12.139.91	PTR	www.foia.cia.gov
216.12.139.100	PTR	foresight07.cust.servervault.com
216.12.139.110	A	xlhealth.net
216.12.139.135	A+PTR	gryphontech03.cust.servervault.com
216.12.139.136	A+PTR	gryphontech01.cust.servervault.com
216.12.139.138	A+PTR	gryphontech01.cust.servervault.com
216.12.139.139	A+PTR	gryphontech01.cust.servervault.com
216.12.139.140	A+PTR	gryphontech01.cust.servervault.com
216.12.139.141	A+PTR	gryphontech01.cust.servervault.com
216.12.139.142	A+PTR	gryphontech01.cust.servervault.com
216.12.139.143	A+PTR	gryphontech01.cust.servervault.com
216.12.139.144	A+PTR	gryphontech01.cust.servervault.com
216.12.139.145	A+PTR	gryphontech01.cust.servervault.com
216.12.139.146	A+PTR	gryphontech03.cust.servervault.com
216.12.139.147	A+PTR	gryphontech01.cust.servervault.com
216.12.139.148	A+PTR	gryphontech01.cust.servervault.com
216.12.139.149	A+PTR	gryphontech03.cust.servervault.com
216.12.139.150	A+PTR	gryphontech01.cust.servervault.com
216.12.139.151	A+PTR	gryphontech03.cust.servervault.com
216.12.139.152	A+PTR	gryphontech01.cust.servervault.com
216.12.139.153	A	gryphontech03.cust.servervault.com
216.12.139.154	A	gryphontech03.cust.servervault.com
216.12.139.155	A+PTR	gryphontech03.cust.servervault.com
216.12.139.156	A	gryphontech03.cust.servervault.com
216.12.139.157	A+PTR	gryphontech03.cust.servervault.com
216.12.139.158	A	gryphontech03.cust.servervault.com
216.12.139.159	A	gryphontech03.cust.servervault.com
216.12.139.160	A	gryphontech03.cust.servervault.com
216.12.139.161	A	gryphontech03.cust.servervault.com
216.12.139.162	A	gryphontech03.cust.servervault.com
216.12.139.163	A+PTR	gryphontech03.cust.servervault.com
216.12.139.164	A+PTR	gryphontech03.cust.servervault.com
216.12.139.165	A	gryphontech03.cust.servervault.com
216.12.139.166	A	gryphontech03.cust.servervault.com
216.12.139.167	A	gryphontech03.cust.servervault.com
216.12.139.168	A	gryphontech03.cust.servervault.com
216.12.139.169	A	gryphontech03.cust.servervault.com
216.12.139.170	A	gryphontech03.cust.servervault.com
216.12.139.171	A	gryphontech03.cust.servervault.com
216.12.139.172	A	gryphontech03.cust.servervault.com
216.12.139.173	A	gryphontech03.cust.servervault.com
216.12.139.174	A	gryphontech03.cust.servervault.com
216.12.139.175	A	gryphontech03.cust.servervault.com
216.12.139.176	A	gryphontech03.cust.servervault.com
216.12.139.177	A	gryphontech03.cust.servervault.com
216.12.139.178	A	gryphontech03.cust.servervault.com
216.12.139.179	A	gryphontech03.cust.servervault.com
216.12.139.180	A	gryphontech03.cust.servervault.com
216.12.139.181	A	gryphontech03.cust.servervault.com
216.12.139.182	A	gryphontech03.cust.servervault.com
216.12.139.183	A	gryphontech03.cust.servervault.com
216.12.139.184	A	gryphontech03.cust.servervault.com
216.12.139.185	A	gryphontech03.cust.servervault.com
216.12.139.186	A	gryphontech03.cust.servervault.com
216.12.139.187	A	gryphontech03.cust.servervault.com
216.12.139.188	A+PTR	gryphontech03.cust.servervault.com
216.12.139.189	A	gryphontech03.cust.servervault.com
216.12.139.190	A	gryphontech03.cust.servervault.com
216.12.139.191	A	gryphontech03.cust.servervault.com
216.12.139.192	A	gryphontech03.cust.servervault.com
216.12.139.193	A	gryphontech03.cust.servervault.com
216.12.139.194	A	gryphontech03.cust.servervault.com
216.12.139.195	A+PTR	gryphontech03.cust.servervault.com
216.12.139.196	A	gryphontech03.cust.servervault.com
216.12.139.197	A	gryphontech03.cust.servervault.com
216.12.139.198	A	gryphontech03.cust.servervault.com