Robtex

Up: 155.56.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 155.56.222.0/24
Down right: 155.56.223.0/24

IP	Type	Hostname
155.56.222.4	A	cloudmailbox.ondemand.com
155.56.222.5	A+PTR	mail12.cloudmail.ondemand.com
155.56.222.10	A+PTR	cloudmail00.ondemand.com
155.56.222.10	A	cloudmail.ondemand.com
155.56.222.11	A+PTR	mail01.cloudmail.ondemand.com
155.56.222.12	A+PTR	mail02.cloudmail.ondemand.com
155.56.222.13	A+PTR	cloudmail03.ondemand.com
155.56.222.13	A	mail03.cloudmail.ondemand.com
155.56.222.14	A+PTR	cloudmail04.ondemand.com
155.56.222.14	A	mail04.cloudmail.ondemand.com
155.56.222.15	A+PTR	mail05.cloudmail.ondemand.com
155.56.222.16	A+PTR	mail06.cloudmail.ondemand.com
155.56.222.18	A+PTR	mail08.cloudmail.ondemand.com
155.56.222.19	A+PTR	mail09.cloudmail.ondemand.com
155.56.222.20	A+PTR	cloudmail10.ondemand.com
155.56.222.20	A	mail10.cloudmail.ondemand.com
155.56.222.21	A+PTR	cloudmail11.ondemand.com
155.56.222.22	A+PTR	mail13.cloudmail.ondemand.com
155.56.222.22	A	cloudmail13.ondemand.com
155.56.222.23	A+PTR	mail14.cloudmail.ondemand.com
155.56.222.23	A	cloudmail14.ondemand.com
155.56.222.24	A+PTR	mail15.cloudmail.ondemand.com
155.56.222.24	A	cloudmail15.ondemand.com
155.56.222.25	A+PTR	mail16.cloudmail.ondemand.com
155.56.222.25	A	cloudmail16.ondemand.com
155.56.222.28	PTR	mail25.cloudmail.ondemand.com
155.56.222.28	A	cloudmail25.ondemand.com
155.56.222.29	A+PTR	mail17.cloudmail.ondemand.com
155.56.222.29	A	cloudmail17.ondemand.com
155.56.222.30	A+PTR	cloudmail18.ondemand.com
155.56.222.31	A+PTR	mail20.cloudmail.ondemand.com
155.56.222.31	A	cloudmail20.ondemand.com
155.56.222.32	A+PTR	mail23.cloudmail.ondemand.com
155.56.222.32	A	cloudmail23.ondemand.com
155.56.222.33	A+PTR	mail21.cloudmail.ondemand.com
155.56.222.33	A	cloudmail21.ondemand.com
155.56.222.34	A+PTR	mail22.cloudmail.ondemand.com
155.56.222.34	A	cloudmail22.ondemand.com
155.56.222.35	A+PTR	mail19.cloudmail.ondemand.com
155.56.222.35	A	cloudmail19.ondemand.com
155.56.222.36	A+PTR	mail24.cloudmail.ondemand.com
155.56.222.36	A	cloudmail24.ondemand.com
155.56.222.41	A	avaya.jobs2web.com
155.56.222.41	A	careers.avaya.com
155.56.222.52	A	etisalat.jobs2web.com
155.56.222.62	A	alfuttaim.jobs2web.com
155.56.222.66	A	beeline.jobs2web.com
155.56.222.72	A	gulfjpcomp.jobs2web.com
155.56.222.73	A	aryztacareers.com
155.56.222.73	A	aryztabusi.jobs2web.com
155.56.222.76	A	batsharedservices.jobs2web.com
155.56.222.88	A	plan.jobs2web.com
155.56.222.123	A	rehau.jobs2web.com
155.56.222.127	A	nba.jobs2web.com
155.56.222.158	A	nestlejob.jobs2web.com