Robtex

Up: 5.102.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 5.102.173.0/25
Down right: 5.102.173.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.102.173.2	PTR	rtr-01.cdc.custdc.net
5.102.173.3	PTR	rtr-02.cdc.custdc.net
5.102.173.26	A	itslgroup.com
5.102.173.26	A	blueteasystems.com
5.102.173.34	PTR	rtr-03.cdc.custdc.net
5.102.173.35	PTR	rtr-04.cdc.custdc.net
5.102.173.36	A+PTR	mail.network-computing.co.uk
5.102.173.36	A	primarymx.network-computing.co.uk
5.102.173.66	PTR	rtr-01.cdc.custdc.net
5.102.173.67	PTR	rtr-02.cdc.custdc.net
5.102.173.68	A	mojeek.co.uk
5.102.173.68	A	mojeek.com
5.102.173.68	A	www.mojeek.com
5.102.173.69	A+PTR	www2.mojeek.com
5.102.173.69	A	mojeek.co.uk
5.102.173.69	A	mojeek.com
5.102.173.71	A+PTR	crawl-5-102-173-71.mojeek.com
5.102.173.89	A+PTR	mail.ontime-auto.com
5.102.173.89	A	smtp.ontime-auto.com
5.102.173.89	A	mail2.ontime-auto.com
5.102.173.92	A	mail.bidcorp.net
5.102.173.100	A	www.digitalcontact.co.uk
5.102.173.104	A	mail.tribeca-it.com
5.102.173.107	A	mail.tribeca-cloud.com
5.102.173.108	A	mail.m2mship.com
5.102.173.117	A	ns0.greenwand.net
5.102.173.117	A	math.greenwand.net
5.102.173.117	A	mail.safarimanager.com
5.102.173.118	A+PTR	gwydion.greenwand.net
5.102.173.118	A	battleblast.co.uk
5.102.173.118	A	aametech.com
5.102.173.140	A	itdworldship.com
5.102.173.189	A	goleda.com