Robtex

Up: 77.73.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.73.148.0/23
Down right: 77.73.150.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.73.148.1	A+PTR	vl12.dist01-02-hsrp.lsrei01.uk.sargasso.net
77.73.148.4	PTR	int05.cam.lsrei01.uk.sargasso.net
77.73.148.46	A+PTR	struxureware.comtec.net.uk
77.73.148.86	A+PTR	host1.uk.sargasso.net
77.73.148.86	A	host1.comtec.net.uk
77.73.148.86	A	fitnessdietdiary.com
77.73.148.89	A	www.emersonchase.com
77.73.148.89	A	host2.comtec.net.uk
77.73.148.90	A	phonesupplies.net
77.73.148.164	PTR	sec1.mail.sargasso.net
77.73.148.165	PTR	sec2.mail.sargasso.net
77.73.148.231	A+PTR	modbus.lsrei01.uk.sargasso.net
77.73.149.4	A+PTR	barracuda1.mail.comtec.net.uk
77.73.149.4	A	barracuda.landlords.org.uk
77.73.149.4	A	comtecmail.co.uk
77.73.149.5	PTR	barracuda2.mail.comtec.net.uk
77.73.149.8	A+PTR	fecas.comtecmail.com
77.73.149.8	A	cdp1.backup.comtec.net.uk
77.73.149.9	PTR	webfilter-ext.comtec.net.uk
77.73.149.10	A	webfilter.comtec.net.uk
77.73.149.11	PTR	comtec-hybridmail.comtec.com
77.73.149.11	A	thehybridmail.com
77.73.149.71	A+PTR	host1.uk.sargasso.net
77.73.149.71	A	host1.comtec.net.uk
77.73.149.90	PTR	host3-virt.uk.sargasso.net
77.73.149.90	A	jsi-uk.co.uk
77.73.149.90	A	latitudeuk.com
77.73.149.91	PTR	www.transparent-uk.com
77.73.149.92	PTR	www.comtec.com
77.73.149.92	A	comtecmedia.co.uk
77.73.149.92	A	comtecpower.net
77.73.149.93	PTR	www.claxson.co.uk
77.73.149.94	PTR	www.dpdirect.co.uk
77.73.149.96	PTR	host4-virt.uk.sargasso.net
77.73.149.96	A	www.britishinternational.com
77.73.149.96	A	infotrek.net
77.73.149.97	PTR	mail1.uk.sargasso.net
77.73.149.100	PTR	www.comtec.com
77.73.149.100	A	comtec.com
77.73.149.100	A	comteccooling.com
77.73.149.101	A	comtecmedia.co.uk
77.73.149.107	A+PTR	host04-sni.as42579.net
77.73.149.107	A	perpgames.com
77.73.149.107	A	croftimages.com
77.73.149.180	PTR	ha-dr-vmhost-iscsi
77.73.150.1	PTR	vl17.dist01-02-hsrp.lsrei01.uk.sargasso.net
77.73.150.6	PTR	comtec-fs1.comtec.com
77.73.150.7	A+PTR	comtec-ks1.comtec.com
77.73.150.7	A	tabletalk.co.uk
77.73.150.7	A	bluestrawberry.co.uk
77.73.150.130	A	vl39.dist01.lsrei01.uk.sargasso.net
77.73.150.204	A+PTR	shop1.fetch4.net
77.73.150.204	A	fetch4.net
77.73.151.1	A	vl21.dist01-02-hsrp.lsrei01.uk.sargasso.net
77.73.151.53	A	adoculos.co.uk
77.73.151.55	A	mail.adoculos.co.uk
77.73.151.57	A	*.pacific-international.com
77.73.151.57	A	carbonclicks.org
77.73.151.57	A	carbonclix.net
77.73.151.84	A+PTR	ec-legal.client.uk.sargasso.net
77.73.151.85	A+PTR	ec-city.client.uk.sargasso.net
77.73.151.86	A+PTR	ec-ts.client.uk.sargasso.net
77.73.151.100	A+PTR	jdlegal-ts.client.uk.sargasso.net
77.73.151.119	A	k2.marshallinfotech.com
77.73.151.132	PTR	www.cemnet.com
77.73.151.135	PTR	smtp3.cemnet.com
77.73.151.136	A	martinburgess.com
77.73.151.136	A	rosssharp.com
77.73.151.204	A+PTR	transparent.client.uk.sargasso.net
77.73.151.204	A	transparentcommunications.com
77.73.151.204	A	transparent.uk.com
77.73.151.231	A+PTR	mail.prosysdev.com
77.73.151.231	A	mail.marshcourt.com
77.73.151.231	A	mail.bignallentertainment.com
77.73.151.235	A	digifob.eu
77.73.151.235	A	digifobpro.com
77.73.151.235	A	www.tachosys.com