Robtex

Up: 27.131.14.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 27.131.15.0/25
Down right: 27.131.15.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.131.15.12	PTR	27.131.15-12-clients.dfnbd.net
27.131.15.12	A	campaign.lollipops.mobi
27.131.15.12	A	lollipops.mobi
27.131.15.66	PTR	27.131.15-66-clients.dfnbd.net
27.131.15.118	PTR	27.131.15-118-users.dfnbd.net
27.131.15.146	PTR	27.131.15-146-clients.dfnbd.net
27.131.15.174	PTR	27.131.15-174-clients.dfnbd.net
27.131.15.178	PTR	27.131.15-178-clients.dfnbd.net
27.131.15.210	PTR	27.131.15-210-users.dfnbd.net
27.131.15.243	PTR	27.131.15-243-clients.dfnbd.net
27.131.15.246	PTR	27.131.15-246-clients.dfnbd.net
27.131.15.247	PTR	27.131.15-247-noc.dfnbd.net
27.131.15.248	PTR	27.131.15-248-noc.dfnbd.net
27.131.15.250	PTR	27.131.15-250-clients.dfnbd.net