Robtex

Up: 193.113.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 193.113.0.0/18
Down right: 193.113.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.113.4.1	A+PTR	www.supplierportaluk.bt.com
193.113.4.1	A	supplierportaluk.bt.com
193.113.4.23	A	da-dy.bt.com
193.113.4.29	A	u.bt.com
193.113.4.54	A	iib.bt.com
193.113.4.135	PTR	www.b2b.btretail-dy.bt.com
193.113.4.150	A	bos.btbroadbandoffice.com
193.113.4.151	A	preview.btbroadbandoffice.com
193.113.4.153	A	www.speedtest.btwholesale.com
193.113.4.153	A	test3.speedtest.btwholesale.com
193.113.4.154	A	www.speedtest.btwholesale.com
193.113.4.154	A	test3.speedtest.btwholesale.com
193.113.5.52	A	dy-ns-snip.gslbext.bt.com
193.113.5.55	A	myapps-xs.bt.com
193.113.5.56	A	rd-ns-snip.gslbexternal.bt.com
193.113.5.68	A	www2.btbroadbandoffice.com
193.113.5.90	A	employeegate.bt.com
193.113.5.196	A	employeegate.bt.com
193.113.5.197	A	login.secure.bt.com
193.113.5.198	A	dev-con-fed.bt.com
193.113.5.199	A	ci-con-fed.bt.com
193.113.8.58	A	hostedvoicemanager.bt.com
193.113.8.66	A	uk2.ribbit.com
193.113.8.66	A	www.uk2.ribbit.com
193.113.8.143	A+PTR	smtp.vision.bt.com
193.113.8.159	A	ntp-rd.vision.bt.com
193.113.8.159	A	ntp.nevis.btopenworld.com
193.113.8.163	A	origin-as-u-ref.vision.bt.com
193.113.8.193	A	www.speedtest.btwholesale.com
193.113.8.193	A	test3.speedtest.btwholesale.com
193.113.8.194	A	www.speedtest.btwholesale.com
193.113.8.194	A	test3.speedtest.btwholesale.com
193.113.8.252	A	employeegate.bt.com
193.113.9.98	PTR	www.rd.globalservices.bt.com
193.113.9.98	A	www.bt.be
193.113.9.98	A	www.btna.com
193.113.9.133	A	myapps-ns.bt.com
193.113.9.134	A	myapps-preprod.bt.com
193.113.9.135	A	rd-ns-snip.gslbext.bt.com
193.113.9.137	A	myapps.bt.com
193.113.10.1	A	ums-ipcomms-moda.bt.com
193.113.10.1	A	ums01-ipcomms-moda.bt.com
193.113.10.2	A	uss01-ipcomms-moda.bt.com
193.113.10.5	A	applications-ipcomms-moda.bt.com
193.113.10.174	A	btvideovne.bt.com
193.113.10.175	A	btvideovne.bt.com
193.113.10.176	A	btvideovne.bt.com
193.113.10.188	A	brande2e.bt.com
193.113.10.191	A	brand.bt.com
193.113.10.194	A	hostedvoicemanager.bt.com
193.113.10.240	A	iib.bt.com
193.113.11.1	A	ums-ipcomms-moda.bt.com
193.113.11.1	A	ums02-ipcomms-moda.bt.com
193.113.11.2	A	uss02-ipcomms-moda.bt.com
193.113.11.3	A	dm-ipcomms-moda.bt.com
193.113.11.190	A	btvideovne.bt.com
193.113.11.191	A	btvideovne.bt.com
193.113.11.192	A	btvideovne.bt.com
193.113.11.247	A	iib.bt.com
193.113.13.134	A	sip.btretailha.bt.com
193.113.14.9	A	mymanpower.nl
193.113.14.11	A	efficiency.manpower.com
193.113.14.25	A	www.directassistant.nl
193.113.14.27	A	elanjobs.com
193.113.14.150	A+PTR	cloud.bt.com
193.113.14.160	A	beta.cloud.bt.com
193.113.16.57	A	videomeetme.info
193.113.21.114	A+PTR	www.aai.bt.com
193.113.21.114	A	aai.bt.com
193.113.23.1	PTR	dummyptr.bt.com
193.113.24.20	PTR	www.sgb2b-test.bt.com
193.113.24.20	A	sgb2b-test.bt.com
193.113.25.1	PTR	dummyptr.bt.com
193.113.26.18	A	mail.fai.bt.com
193.113.26.18	A	dns1.fai.bt.com
193.113.26.19	A	mail.fai.bt.com
193.113.26.19	A	dns0.fai.bt.com
193.113.30.2	PTR	grynde72-vl105.mprn.bt.com
193.113.32.148	A	csg.thinapps.bt.com
193.113.32.149	A	csg.thinapps.bt.com
193.113.32.150	A	cag.thinapps.bt.com
193.113.32.151	A	cag.thinapps.bt.com
193.113.32.151	A	citrix.bt.com
193.113.32.156	A	dydns0.bt.com
193.113.37.9	A	mail.my-golf-scorecards.com
193.113.40.231	A+PTR	www.uru2.bt.com
193.113.40.231	A	uru2.bt.com
193.113.40.250	A	umc-emp-sso.bt.com
193.113.40.251	A	umc-ws.bt.com
193.113.42.26	A	mprodigy3.bt.com
193.113.42.42	A	winningame.com
193.113.42.47	A	pvaas.bt.com
193.113.42.61	A	ns2.btadvise.com
193.113.42.117	A	pvaas.bt.com
193.113.42.135	A	cust.fresca.co.uk
193.113.42.138	A	mail.wizzitdigital.com
193.113.42.138	A	wizzitdigital.com
193.113.42.138	A	connectedhome.bt.com
193.113.48.197	PTR	btss-baynard-fw1.nor.bt.com
193.113.51.14	A+PTR	chevelle.axion.bt.co.uk
193.113.57.20	A+PTR	saturn.bt.com
193.113.57.94	A	cag.21cn-infra-model.bt.com
193.113.57.129	PTR	gcrgeh93-e4-0.nor.bt.com
193.113.57.139	PTR	gukryn01-ge0-1.mprn.bt.com
193.113.57.227	A	thinapps.bt.com
193.113.57.242	A	eddns0.bt.com
193.113.57.243	A	eddns1.bt.com
193.113.57.244	A	eddns2.bt.com
193.113.58.11	A	twiki.aee.bt.co.uk
193.113.58.56	A	bti-ref-mgw01.labs.bt.com
193.113.58.64	A	iqsmserver-1.labs.bt.com
193.113.58.77	A	ns1.uk6x.com
193.113.58.173	A	m6t.net
193.113.58.173	A	mrsap.org
193.113.58.214	A	www.labs.bt.com
193.113.58.214	A	research.bt.com
193.113.59.147	PTR	phys-dqweb2.phonenetuk.bt.com
193.113.59.147	A	www.phonenetuk.bt.com
193.113.60.149	A	eproc.co.uk
193.113.63.20	A	trader.nc.bt.com
193.113.101.47	A	mail.newsmpc.com
193.113.101.47	A	newsmpc.com
193.113.106.121	A	mail.btinet-cec.co.uk
193.113.113.190	A+PTR	jupiter.bt.com
193.113.120.30	A	annapurna.london.02.net
193.113.120.38	A	remus-ftrr615.london.02.net
193.113.120.46	A	flash.o2.co.uk
193.113.120.46	A	remus-fflash615.london.02.net