Robtex

Up: 41.178.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 41.178.12.0/23
Down right: 41.178.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
41.178.13.2	PTR	host-41-178-13-2.static.link.com.eg
41.178.13.3	PTR	host-41-178-13-3.static.link.com.eg
41.178.13.5	PTR	host-41-178-13-5.static.link.com.eg
41.178.13.9	PTR	host-41-178-13-9.static.link.com.eg
41.178.13.24	PTR	host-41-178-13-24.static.link.com.eg
41.178.13.29	PTR	host-41-178-13-29.static.link.com.eg
41.178.13.76	PTR	host-41-178-13-76.static.link.com.eg
41.178.13.90	PTR	host-41-178-13-90.static.link.com.eg
41.178.13.91	PTR	host-41-178-13-91.static.link.com.eg
41.178.13.94	PTR	host-41-178-13-94.static.link.com.eg
41.178.13.114	PTR	host-41-178-13-114.static.link.com.eg
41.178.13.118	PTR	host-41-178-13-118.static.link.com.eg
41.178.13.137	PTR	host-41-178-13-137.static.link.com.eg
41.178.13.142	PTR	host-41-178-13-142.static.link.com.eg
41.178.13.147	PTR	host-41-178-13-147.static.link.com.eg
41.178.13.155	PTR	host-41-178-13-155.static.link.com.eg
41.178.13.229	PTR	host-41-178-13-229.static.link.com.eg
41.178.13.239	PTR	host-41-178-13-239.static.link.com.eg
41.178.13.243	PTR	host-41-178-13-243.static.link.com.eg
41.178.15.5	A+PTR	mta.nsgb.com.eg
41.178.15.6	A	mail.nsgb.com.eg
41.178.15.29	A	mcl1.link.net
41.178.15.30	A	bmta.outgoing.linkdatacenter.net
41.178.15.30	A	mcl2.link.net
41.178.15.31	A	bmta.outgoing.linkdatacenter.net
41.178.15.32	A	bmta.outgoing.linkdatacenter.net
41.178.15.33	A	bmta.outgoing.linkdatacenter.net
41.178.15.34	A	bmta.outgoing.linkdatacenter.net
41.178.15.43	PTR	smtp1.link.net
41.178.15.46	PTR	out-smtp1.link.net
41.178.15.48	PTR	out-smtp1.link.net
41.178.15.104	A+PTR	ec.linkdatacenter.net
41.178.15.104	PTR	bka.poc.linkdatacenter.net
41.178.15.104	A+PTR	mail.poc.linkdatacenter.net
41.178.15.135	PTR	mta1.mail.linkdatacenter.net
41.178.15.151	A+PTR	out-smtp2.link.net
41.178.15.161	A+PTR	out-smtp1.link.net
41.178.15.170	A	bmta.outgoing.linkdatacenter.net
41.178.15.171	A	bmta.outgoing.linkdatacenter.net
41.178.15.172	A	bmta.outgoing.linkdatacenter.net
41.178.15.173	A+PTR	bmta.outgoing.linkdatacenter.net
41.178.15.173	A	pool1.lync.linkdatacenter.net
41.178.15.174	A	bmta.outgoing.linkdatacenter.net
41.178.15.204	PTR	host-41-178-15-204.static.link.com.eg
41.178.15.212	PTR	host-41-178-15-212.static.link.com.eg
41.178.15.216	PTR	host-41-178-15-216.static.link.com.eg
41.178.15.218	PTR	host-41-178-15-218.static.link.com.eg
41.178.15.230	PTR	host-41-178-15-230.static.link.com.eg
41.178.15.233	PTR	bmail.linkdatacenter.net
41.178.15.237	PTR	host-41-178-15-237.static.link.com.eg
41.178.15.238	PTR	host-41-178-15-238.static.link.com.eg
41.178.15.238	A	bmail.linkdatacenter.net
41.178.15.240	PTR	host-41-178-15-240.static.link.com.eg