Robtex

Up: 199.115.156.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.115.158.0/24
Down right: 199.115.159.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.115.158.12	PTR	app2.iad1.afilias-nst.info
199.115.158.13	A+PTR	app3.iad1.afilias-nst.info
199.115.158.14	A+PTR	app4.iad1.afilias-nst.info
199.115.158.19	A+PTR	app9.iad1.afilias-nst.info
199.115.158.20	PTR	app10.iad1.afilias-nst.info
199.115.158.21	A	app11.iad1.afilias-nst.info
199.115.158.23	A	app13.iad1.afilias-nst.info
199.115.158.24	PTR	app14.iad1.afilias-nst.info
199.115.158.25	PTR	app15.iad1.afilias-nst.info
199.115.158.26	A+PTR	app16.iad1.afilias-nst.info
199.115.158.31	PTR	app21.iad1.afilias-nst.info
199.115.158.37	A	app27.iad1.afilias-nst.info
199.115.158.40	A	app30.iad1.afilias-nst.info
199.115.158.43	PTR	butters.afilias-nst.info
199.115.158.75	PTR	app1b.iad1.afilias-nst.info
199.115.158.88	PTR	app14b.iad1.afilias-nst.info
199.115.158.92	PTR	app18b.iad1.afilias-nst.info
199.115.158.97	PTR	app23b.iad1.afilias-nst.info
199.115.159.31	A	mail.coachteamnetwork.com
199.115.159.32	A+PTR	mail.creditguard.org
199.115.159.33	A	mail.creditguardcoach.com
199.115.159.34	A	mail.creditmessenger.com
199.115.159.36	A	mail.gnusa.com
199.115.159.37	PTR	mail.federalstutdentloanservices.com
199.115.159.37	A	mail.federalstudentloanservices.com
199.115.159.38	A+PTR	mail.personalcreditcoach.com
199.115.159.39	A	mail.fastrackpayment.com
199.115.159.43	PTR	mail.mypuredebtrelief.com
199.115.159.50	A	creditguardcoach.com
199.115.159.50	A	www.creditguardcoach.com
199.115.159.50	A	coachteamnetwork.com
199.115.159.51	A	www.creditmessenger.com
199.115.159.53	A	personalcreditcoach.com
199.115.159.55	A	fastrackpayment.com
199.115.159.56	A	wealthwalk.com
199.115.159.58	A	cgahelp.com
199.115.159.58	A	callcga.com
199.115.159.58	A	cgadebt.com
199.115.159.81	A	www.gnusa.com
199.115.159.81	A	credexamerica.com
199.115.159.81	A	gnusa.com
199.115.159.86	A	federalstudentloanservices.com
199.115.159.87	A	docprepsvc.com
199.115.159.87	A	www.docprepsvc.com
199.115.159.88	A	dmpfile.com
199.115.159.161	A	trustedcreditfile.com
199.115.159.197	A	www.trustedcreditfile.com