Robtex

Up: 199.47.86.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 199.47.86.0/25
Down right: 199.47.86.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.47.86.11	PTR	turnitin.com
199.47.86.12	PTR	www.turnitin.com
199.47.86.13	PTR	199-47-86-013.ip86.iparadigms.net
199.47.86.13	A	api.turnitin.com
199.47.86.14	PTR	submit.ac.uk
199.47.86.15	PTR	199-47-86-015.ip86.iparadigms.net
199.47.86.18	PTR	app.ithenticate.com
199.47.86.18	A	hostmaster.ithenticate.com
199.47.86.21	PTR	199-47-86-021.ip86.iparadigms.net
199.47.86.21	A	support.turnitin.com
199.47.86.21	A	insite2.wadsworth.com
199.47.86.31	PTR	199-47-86-031.ip86.iparadigms.net
199.47.86.31	A	199-47-82-146.ip82.iparadigms.net
199.47.86.31	A	199-47-82-195.ip82.iparadigms.net
199.47.86.32	A	current.turnitin.com
199.47.86.33	PTR	199-47-86-033.ip86.iparadigms.net
199.47.86.46	A	crosscheck.ithenticate.com
199.47.86.124	A	ns10.iparadigms.com
199.47.86.218	PTR	199-47-86-218.ip86.iparadigms.net