Robtex

Up: 198.152.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 198.152.0.0/17
Down right: 198.152.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.152.7.100	A+PTR	co300215-westmi-dns-gridmaster.avaya.com
198.152.7.100	A+PTR	newns.avaya.com
198.152.7.101	A+PTR	newns.avaya.com
198.152.7.103	A+PTR	newns.avaya.com
198.152.11.6	A	dasmtprelay.demoavaya.com
198.152.11.28	A	demoavaya.com
198.152.11.28	A	www.demoavaya.com
198.152.11.44	PTR	uconnect.demoavaya.com
198.152.12.67	A	njproxy1.avaya.com
198.152.13.67	A+PTR	coproxy1.avaya.com
198.152.13.99	A+PTR	coextdns.avaya.com
198.152.13.100	A+PTR	co300216-co-outbound.net.avaya.com
198.152.13.101	PTR	ierw.net.avaya.com
198.152.13.102	A	coexthlp.avaya.com
198.152.14.67	A+PTR	sgproxy1.avaya.com
198.152.16.5	A	co.avaya.com
198.152.17.151	A	1xbr.avaya.com
198.152.17.169	A	na-west.webmail.avaya.com
198.152.17.171	A	microblog.avaya.com
198.152.17.175	A	abs.avaya.com
198.152.22.4	A	ara-na2.avaya.com
198.152.22.198	A+PTR	dasmtprelay.demoavaya.com
198.152.22.200	A	ns.demoavaya.com
198.152.23.11	A	wm-gslb1-ext.avaya.com
198.152.23.11	A	co-gslb1-ext.avaya.com
198.152.46.58	A	sg.avaya.com
198.152.46.66	A	sg.avaya.com
198.152.46.100	PTR	ps-apac1.avaya.com
198.152.46.100	A+PTR	1xapac.avaya.com
198.152.47.137	A+PTR	sgextdns.avaya.com
198.152.60.115	A	webtrial.avaya.com
198.152.64.14	PTR	pwionphap06.avaya.com
198.152.64.14	PTR	serviceapps.avaya.com
198.152.64.14	A	h3-netviewer.avaya.com
198.152.64.86	PTR	emea-ae.avaya.com
198.152.64.88	PTR	emea-av.avaya.com
198.152.66.150	A+PTR	de.avaya.com
198.152.66.201	A	ara-emea1.avaya.com
198.152.67.42	A+PTR	de.avaya.com
198.152.67.86	A	ns1.demoavaya.com
198.152.71.27	A	serviceapps.avaya.com
198.152.71.99	A+PTR	frextdns.avaya.com
198.152.71.100	A+PTR	de307622-de-outbound.net.avaya.com
198.152.71.104	A+PTR	de307622-de-ieremea.avaya.com
198.152.74.11	A	de-gslb1-ext.avaya.com
198.152.74.144	A	collaborate-4.avaya.com
198.152.76.5	A+PTR	sas31.sal.avaya.com
198.152.76.6	A+PTR	sas32.sal.avaya.com
198.152.84.10	A	conferencing.avaya.com
198.152.85.25	A	avg1.avaya.com
198.152.125.138	A	gmail.iwinealot.com
198.152.167.4	A	co.avaya.com
198.152.212.26	A	search.avaya.com
198.152.212.29	A	gas3.sal.avaya.com
198.152.212.33	A	sl1.sal.avaya.com
198.152.220.247	A	secure.alarming.avaya.com
198.152.220.248	A	extns1.esp.avaya.com
198.152.220.252	A	alarming.esp.avaya.com
198.152.222.248	A	extns2.esp.avaya.com
198.152.240.10	A	research.avayalabs.com
198.152.254.242	A+PTR	ion-customers.avaya.com