Robtex

Up: 158.230.96.0/21
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Down left: 158.230.100.0/23
Down right: 158.230.102.0/23

IP	Type	Hostname
158.230.100.73	A+PTR	ukdmzcsg.o2.com
158.230.100.75	A+PTR	ukcag.o2.com
158.230.100.90	PTR	myportal.unify.o2.com
158.230.100.92	PTR	cardggscpr01.gs.o2.com
158.230.100.93	PTR	cmrdggscpr01.gs.o2.com
158.230.100.101	A+PTR	dns0.btcellnet.net
158.230.100.102	A+PTR	cellgate.btcellnet.net
158.230.100.106	A+PTR	mail.btcellnet.net
158.230.100.106	A	mail.mmo2.com
158.230.100.106	A	mail.o2.com
158.230.100.107	A+PTR	cellgatea.btcellnet.net
158.230.100.108	A+PTR	cellgateb.btcellnet.net
158.230.100.122	A+PTR	vendor-auth.o2.com
158.230.101.13	A	o365mail.o2.com
158.230.101.36	A	outlook.o2.com
158.230.101.53	A	lync.o2.com
158.230.101.116	A	cwa.o2.com
158.230.101.126	A+PTR	www.omnixweb.btcellnet.net
158.230.101.138	A	seal.o2.com
158.230.101.153	A	webmap-vip.o2.com
158.230.101.157	A+PTR	ukdmzisacls.o2.com
158.230.101.157	A	share.o2.com
158.230.101.158	A+PTR	ap.o2.com
158.230.101.159	A+PTR	mdcomms20.o2.com
158.230.101.164	A+PTR	ukdmzisacls-1.o2.com
158.230.101.182	A+PTR	ap-int.o2.com
158.230.101.183	A	webmail.o2.com
158.230.101.187	A+PTR	dmmlw-seg-01.o2.com
158.230.101.188	A+PTR	dmmlw-seg-02.o2.com
158.230.101.201	A+PTR	push.o2.com
158.230.101.206	A	www.btcellnet.net