Robtex

Up: 167.170.98.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 167.170.98.0/25
Down right: 167.170.98.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
167.170.98.4	PTR	4.memc.com
167.170.98.5	PTR	167-170-98-5.dia.static.memc.com
167.170.98.10	A+PTR	memcgw.memc.com
167.170.98.10	A	granularpoly.com
167.170.98.10	A	granularpoly.net
167.170.98.15	PTR	15.memc.com
167.170.98.16	A+PTR	mail.memc.com
167.170.98.17	A	ecomtest.memc.com
167.170.98.18	A+PTR	b2b.memc.com
167.170.98.22	A+PTR	ecom.memc.com
167.170.98.23	A+PTR	b2bi.memc.com
167.170.98.24	PTR	24.memc.com
167.170.98.25	PTR	25.memc.com
167.170.98.25	A	macs.memc.com
167.170.98.26	PTR	26.memc.com
167.170.98.29	PTR	spportals.memc.com
167.170.98.30	PTR	30.memc.com
167.170.98.31	A	corp.memc.com
167.170.98.32	PTR	32.memc.com
167.170.98.33	PTR	167-170-98-33.dia.static.memc.com
167.170.98.33	A	spportals.memc.com
167.170.98.35	PTR	35.memc.com
167.170.98.37	A	adfs.memc.com
167.170.98.40	A+PTR	sslvpn.memc.com
167.170.98.41	A+PTR	mdm.memc.com
167.170.98.46	PTR	46.memc.com
167.170.98.48	PTR	48.memc.com
167.170.98.50	A+PTR	vpn.memc.com
167.170.98.51	PTR	51.memc.com
167.170.98.57	PTR	57.memc.com
167.170.98.60	PTR	60.memc.com
167.170.98.63	A	edge.memc.com
167.170.98.66	A+PTR	av.memc.com
167.170.98.70	A	smtpgw.memctst.com
167.170.98.83	PTR	testmax.memc.com
167.170.98.84	A	maxmobile.memc.com
167.170.98.85	A	max.memc.com
167.170.98.124	PTR	167-170-98-124.dia.static.memc.com
167.170.98.124	A	mail.sunedison.com
167.170.98.125	A	mail3.sunedison.com
167.170.98.125	A	mail.greenraysolar.com
167.170.98.243	PTR	167-170-98-243.dia.static.memc.com