Robtex

Up: 216.99.176.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.99.184.0/22
Down right: 216.99.188.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.99.184.21	A	remote-msw.constellation.com
216.99.184.90	A	ns10.constellation.com
216.99.184.203	A+PTR	lyncdiscover.exelonds.com
216.99.184.211	A	storefront-msw.constellation.com
216.99.184.221	A	owa.exeloncorp.com
216.99.184.223	A	mas.exeloncorp.com
216.99.184.226	A	ctxns-msw.exelonds.com
216.99.185.20	PTR	cag-omf.constellation.com
216.99.185.20	A+PTR	mail.constellation.com
216.99.185.21	PTR	ireceiver-omf.constellation.com
216.99.185.21	A+PTR	remote-omf.constellation.com
216.99.185.45	A	omfisp-01-vp01.constellation.com
216.99.185.50	A+PTR	person1.constellation.com
216.99.185.51	PTR	mail-two.constellation.com
216.99.185.51	PTR	person2.constellation.com
216.99.185.91	A	ns11.constellation.com
216.99.185.212	A+PTR	m-omf.bge.com
216.99.185.213	A+PTR	stg-m.bge.com
216.99.185.226	A+PTR	ctxns-omf.exelonds.com
216.99.186.22	A+PTR	www-omf.bge.com
216.99.186.29	A	mia.constellation.com
216.99.186.31	A	vwatt-stage.constellation.com
216.99.186.49	A	neo.newenergy.com
216.99.186.49	A	iq.newenergy.com
216.99.186.50	A+PTR	mail-one.constellation.com
216.99.186.50	PTR	cnsmail.nuclearservicesinc.com
216.99.186.50	PTR	mail.nuclearservicesinc.com
216.99.186.57	A	mail-three.constellation.com
216.99.186.64	A	ras.bge.com
216.99.186.65	A+PTR	osn-omf.constellation.com
216.99.186.65	A	osn.constellation.com
216.99.186.70	A	ftp.bge.com
216.99.186.99	A+PTR	nmpep-omf.constellation.com
216.99.186.99	A	nmpep.constellation.com
216.99.186.100	A+PTR	ns1.exeloncorp.com
216.99.186.100	A	ns3.constellation.com
216.99.186.112	A+PTR	www-omf.newenergy.com
216.99.186.132	A+PTR	sitemaintenance.bge.com
216.99.186.133	A	smtp03.constellation.com
216.99.186.141	A	www.calvertcliffs.com
216.99.186.148	A	dev-cecdercotlistener.constellation.com
216.99.186.149	A	home.constellation.com
216.99.186.151	PTR	etime-omf.constellation.com
216.99.186.151	A	etime.constellation.com
216.99.186.157	A	nfuse-omf.constellation.com
216.99.186.157	A	nfuse.constellation.com
216.99.186.164	A	partners-stage.constellation.com
216.99.186.167	A	secure-omf.bge.com
216.99.186.169	A	constellationenergyresources.com
216.99.186.177	A	m.constellation.com
216.99.186.177	A	www.powersrc.com
216.99.186.177	A	www.proliance-customerone.com
216.99.186.178	PTR	ipprd-www.constellation.com
216.99.186.178	PTR	ipprod.constellation.com
216.99.186.178	PTR	www-omf.constellation.com
216.99.186.207	A	uat-confirm.constellation.com
216.99.186.208	PTR	employee-omf.constellation.com
216.99.186.208	A	employee.constellation.com
216.99.186.208	A	my.constellation.com
216.99.186.213	PTR	ccg-billing-omf.constellation.com
216.99.186.213	A	ccg-billing.constellation.com
216.99.186.220	A	pyxis.constellation.com
216.99.186.245	A	connect.constellation.com
216.99.186.247	PTR	peopleconnectuat-omf.constellation.com
216.99.186.247	A	peopleconnectuat.constellation.com
216.99.186.251	A	dev-nmpep.constellation.com
216.99.187.11	A	gisb2test.newenergy.com
216.99.187.14	A	webjoules.com
216.99.187.20	PTR	careers-msw.constellation.com
216.99.187.20	A	careers.constellation.com
216.99.187.24	PTR	vwatt-stage-msw.constellation.com
216.99.187.24	A	vwatt-stage.constellation.com
216.99.187.28	A	vwatt.constellation.com
216.99.187.37	A	vwatt-demo.constellation.com
216.99.187.42	A	ercotnodallistenertest.constellation.com
216.99.187.52	A+PTR	smtp02.constellation.com
216.99.187.55	A+PTR	smtp04.constellation.com
216.99.187.67	PTR	test-osn-msw.constellation.com
216.99.187.67	A	test-osn.constellation.com
216.99.187.69	PTR	careersuat-msw.constellation.com
216.99.187.69	A	careersuat.constellation.com
216.99.187.71	A+PTR	pyxisuat-msw.constellation.com
216.99.187.71	A	pyxisuat.constellation.com
216.99.187.82	A	home.constellation.com
216.99.187.100	A+PTR	ns2.exeloncorp.com
216.99.187.100	A	ns1.powersrc.com
216.99.187.100	A	ns4.constellation.com
216.99.187.141	A	partners-stage.constellation.com
216.99.187.144	A	www.communityashupdate.com
216.99.187.146	A+PTR	sftp-m-01v.aries.constellation.com
216.99.187.147	A	peopleconnect.constellation.com
216.99.187.157	PTR	nfuse-msw.constellation.com
216.99.187.157	A	nfuse.constellation.com
216.99.187.169	A	etimeuat.constellation.com
216.99.187.195	A	dev-cecd.constellation.com
216.99.187.243	A	ccg-billing.constellation.com
216.99.187.245	A+PTR	vwatt-msw.constellation.com
216.99.187.245	A	virtuwatt.org
216.99.187.247	A+PTR	cagstage-msw.constellation.com
216.99.187.253	A	exmis-m-01.constellation.com
216.99.188.5	A	accessm.exeloncorp.com
216.99.188.5	A	sip.constellation.com
216.99.188.5	A	sip.exeloncorp.com
216.99.188.20	A	join.exeloncorp.com
216.99.188.140	A	sip.comed.com
216.99.188.175	A	sipfed.exeloncorp.com
216.99.188.178	A	sipfed.exeloncorp.com
216.99.188.181	A	sipfed.exeloncorp.com
216.99.188.184	A	sfbeastwebext.exeloncorp.com
216.99.189.20	A+PTR	esa-omf-101.exeloncorp.com
216.99.189.22	A	esa-omf-103.exeloncorp.com
216.99.189.23	PTR	esa-omf-104.exeloncorp.com
216.99.189.50	PTR	person3.constellation.com
216.99.189.50	A	adnsbyodo.gsbyod.exeloncorp.com
216.99.189.50	A	adnsbyodo.exeloncorp.com
216.99.189.95	A	mail.exeloncorp.com
216.99.189.110	A	adnsrempe.exeloncorp.com
216.99.189.155	A	worxmail.gsbyod.exeloncorp.com
216.99.189.155	A	worxmail.exeloncorp.com
216.99.189.169	PTR	vpnaccess.exeloncorp.com
216.99.189.170	A+PTR	remote-east.exeloncorp.com
216.99.189.170	A	remote.exeloncorp.com
216.99.189.221	A	sccm.exeloncorp.com
216.99.189.249	A+PTR	ns12.exeloncorp.com