Robtex

Up: 192.111.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.111.39.0/25
Down right: 192.111.39.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.111.39.0	PTR	esatnet-lan.esat.net
192.111.39.1	A+PTR	ns1.ns.esat.net
192.111.39.1	A	ns.esat.net
192.111.39.1	A	ns.ieunet.ie
192.111.39.2	A+PTR	vlan505.cwt.esat.net
192.111.39.4	A+PTR	ns2.ns.esat.net
192.111.39.4	A	ns2.esat.net
192.111.39.4	A	ns2.isi.ie
192.111.39.11	PTR	ns11.ns.esat.net
192.111.39.11	A	relay.ieunet.ie
192.111.39.11	A	relay.eunet.ie
192.111.39.14	A+PTR	cwt-ns1.ns.esat.net
192.111.39.15	A+PTR	cwt-ns2.ns.esat.net
192.111.39.16	A	uucp.esat.net
192.111.39.21	A	relay.ieunet.ie
192.111.39.21	A	relay.eunet.ie
192.111.39.46	A	relay.ieunet.ie
192.111.39.46	A	relay.eunet.ie
192.111.39.47	A	relay.ieunet.ie
192.111.39.47	A	relay.eunet.ie
192.111.39.99	PTR	sc0.sw511.cwt.esat.net
192.111.39.100	A+PTR	g.ns.ie
192.111.39.100	A	ns3.ns.esat.net
192.111.39.102	PTR	auth02.ns.esat.net
192.111.39.111	A+PTR	sec01.ns.esat.net
192.111.39.111	A	sec01.ns.btireland.net
192.111.39.112	A+PTR	sec02.ns.esat.net
192.111.39.112	A	sec02.ns.btireland.net