Robtex

Up: 136.252.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 136.252.128.0/18
Down right: 136.252.192.0/18

IP	Type	Hostname
136.252.134.182	A	mta4.mail.slb.com
136.252.134.183	A	mta4.mail.slb.com
136.252.138.17	A	bdgcfc-138-17.slb.com
136.252.138.17	A	sdc.oilfield.slb.com
136.252.138.20	A	nexttraining.com
136.252.138.29	A	bdgcfc-138-29.slb.com
136.252.139.8	A	bdgcfc-139-8.slb.com
136.252.140.11	A	sentry.security.slb.com
136.252.163.122	A	bdgcfc-163-122.slb.com
136.252.166.89	A	ns1.slb.com
136.252.203.180	A	bdgcfc-203-180.slb.com
136.252.203.213	A	bdgcfc-203-213.slb.com
136.252.203.230	A	bdgcfc-203-230.slb.com
136.252.214.77	PTR	host.slb.com
136.252.221.13	PTR	host.slb.com
136.252.221.13	A	remoteapps.eur.gateway.slb.com
136.252.223.142	A	bdgcfc-223-142.slb.com
136.252.230.18	A+PTR	bdgcfc-230-18.slb.com
136.252.233.38	A	mta4.mail.slb.com
136.252.233.39	A	mta4.mail.slb.com
136.252.233.108	PTR	host.slb.com
136.252.241.0	A+PTR	bdgcfc-241-0.slb.com
136.252.241.1	A+PTR	bdgcfc-241-1.slb.com
136.252.241.2	A+PTR	bdgcfc-241-2.slb.com
136.252.241.4	A	bdgcfc-241-4.slb.com
136.252.241.128	A+PTR	bdgcfc-241-128.slb.com
136.252.241.136	A	bdgcfc-241-136.slb.com
136.252.241.150	A	bdgcfc-241-150.slb.com
136.252.241.154	A	bdgcfc-241-154.slb.com
136.252.248.1	PTR	host.slb.com
136.252.248.1	A	bdgcfc-248-1.slb.com
136.252.248.2	A+PTR	bdgcfc-248-2.slb.com
136.252.248.12	A	bdgcfc-248-12.slb.com
136.252.248.13	A	bdgcfc-248-13.slb.com
136.252.248.129	A+PTR	bdgcfc-248-129.slb.com
136.252.248.140	A	bdgcfc-248-140.slb.com
136.252.248.146	A	bdgcfc-248-146.slb.com
136.252.248.150	A	bdgcfc-248-150.slb.com