Robtex

Up: 193.113.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.113.8.0/23
Down right: 193.113.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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
193.113.8.82	PTR	prodmx1.uk.ribbit.com
193.113.8.143	A+PTR	smtp.vision.bt.com
193.113.8.159	A+PTR	ntp-rd.vision.bt.com
193.113.8.159	A	ntp.nevis.btopenworld.com
193.113.8.163	A+PTR	origin-as-s-ref.vision.bt.com
193.113.8.163	A+PTR	origin-as-u-ref.vision.bt.com
193.113.8.163	A+PTR	origin-be-s-ref.vision.bt.com
193.113.8.167	A+PTR	ispconfig-ref.vision.bt.com
193.113.8.180	PTR	images-ref.vision.bt.com
193.113.8.184	A+PTR	syndication-ref.vision.bt.com
193.113.8.186	PTR	yvclient-ref.vision.bt.com
193.113.8.193	A	www.speedtest.btwholesale.com
193.113.8.193	A	test3.speedtest.btwholesale.com
193.113.8.193	A	speedtest.btwholesale.com
193.113.8.194	A	www.speedtest.btwholesale.com
193.113.8.194	A	test3.speedtest.btwholesale.com
193.113.8.194	A	speedtest.btwholesale.com
193.113.8.223	A	mapi.robt.bt.co.uk
193.113.8.231	PTR	www.b2bgw.globalservices.bt.com
193.113.8.250	A	samlfed.bt.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
193.113.9.102	A+PTR	www2.myaccount.globalservices.bt.com
193.113.9.107	A	app1.sso.myaccount.globalservices.bt.com
193.113.9.108	A	www.rd.ref1.globalservices.bt.com
193.113.9.109	A+PTR	ais.globalservices.bt.com
193.113.9.110	A+PTR	test-staging.globalservices.bt.com
193.113.9.113	PTR	ref1.myaccount.globalservices.bt.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
193.113.9.139	A	myapps-ee.bt.com
193.113.9.140	A	dy-ns-snip.gslbexternal.bt.com
193.113.9.161	A	www.productsandservices.bt.com
193.113.9.161	A	productsandservices.bt.com
193.113.9.161	A	secureorder.bt.com
193.113.9.162	A	*.disciplinedskin.users.btopenworld.com
193.113.9.164	A	bt.com
193.113.9.165	A	staging.bt.com
193.113.9.165	A	www.staging.bt.com
193.113.9.169	A	resolve.bt.com
193.113.9.170	A	stb-orders.bt.com
193.113.9.171	A	api.bt.com
193.113.9.196	A	gotham-stb-orders.bt.com
193.113.9.196	A	ui-stb-orders.bt.com
193.113.9.197	A	voltest-stb-orders.bt.com
193.113.9.197	A	cit-stb-orders.bt.com
193.113.9.200	A	ref1-stb-orders.bt.com
193.113.9.200	A	ais-stb-orders.bt.com
193.113.9.228	A	rd-gslb-ext-1.gss.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
193.113.10.6	A	bp-ipcomms-moda.bt.com
193.113.10.7	A	ums01-ipcomms.bt.com
193.113.10.7	A	ums01.yourwhc.co.uk
193.113.10.8	A	uss01-ipcomms.bt.com
193.113.10.10	A	dm.yourwhc.co.uk
193.113.10.10	A	dm-ipcomms.bt.com
193.113.10.11	A	officeuc.yourwhc.co.uk
193.113.10.12	A	applications-ipcomms.bt.com
193.113.10.12	A	applications.yourwhc.co.uk
193.113.10.13	A	sclcentrex.co.uk
193.113.10.13	A	vibranttelecom.com
193.113.10.13	A	ccusage-ipcomms.bt.com
193.113.10.23	A	www2.myaccount.globalservices.bt.com
193.113.10.24	A	www.btconsulting.com
193.113.10.24	A	premiumshop.it
193.113.10.24	A	www.inet.it
193.113.10.27	A	dmclients-ipcomms.bt.com
193.113.10.52	A	www.sagittariusa.robt.bt.co.uk
193.113.10.96	A	gtm1-rg.cust-btc.echat.bt.com
193.113.10.97	A	gtm2-rg.cust-btc.echat.bt.com
193.113.10.98	A	gtm3-rg.cust-btc.echat.bt.com
193.113.10.105	A	openhours.cust-btc.echat.bt.com
193.113.10.106	A	openhours.cust-btc.echat.bt.com
193.113.10.107	A	openhours.cust-btc.echat.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
193.113.10.194	A	www.hostedvoicemanager.bt.com
193.113.10.196	A	bp-ipcomms-modac.bt.com
193.113.10.197	A	payrollgivinghub.org.uk
193.113.10.216	A	brandref.bt.com
193.113.10.235	A	securecard.bt.com
193.113.10.240	A	iib.bt.com
193.113.10.253	A	getworkplace.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
193.113.11.7	A	ums02-ipcomms.bt.com
193.113.11.7	A	ums.yourwhc.co.uk
193.113.11.7	A	ums02.yourwhc.co.uk
193.113.11.8	A	uss02-ipcomms.bt.com
193.113.11.10	A	dm.yourwhc.co.uk
193.113.11.10	A	dm-ipcomms.bt.com
193.113.11.11	A	officeuc.yourwhc.co.uk
193.113.11.13	A	ccusage-ipcomms.bt.com
193.113.11.19	A	app1.sso.myaccount.globalservices.bt.com
193.113.11.19	A	www.myaccount.globalservices.bt.com
193.113.11.19	A	primary.sso.myaccount.globalservices.bt.com
193.113.11.27	A	dmclients-ipcomms.bt.com
193.113.11.35	A	dm-csb.yourwhc.co.uk
193.113.11.36	A	dm-linksys.yourwhc.co.uk
193.113.11.77	A	www.sagittariusa.robt.bt.co.uk
193.113.11.96	A	gtm1-hw.cust-btc.echat.bt.com
193.113.11.97	A	gtm2-hw.cust-btc.echat.bt.com
193.113.11.98	A	gtm3-hw.cust-btc.echat.bt.com
193.113.11.106	A	openhours.cust-btc.echat.bt.com
193.113.11.107	A	openhours.cust-btc.echat.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