Robtex

Up: 57.66.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 57.66.64.0/20
Down right: 57.66.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
57.66.64.1	PTR	bqqt401-atm-0-0-0-62.uk.equant.net
57.66.66.116	A+PTR	meridien-spas1.lon-messaging.equant.net
57.66.66.116	A	mail1.lemeridien-hotels.com
57.66.66.116	A	mail1.meridien.be
57.66.66.117	PTR	meridien-spas2.lon-messaging.equant.net
57.66.66.118	PTR	meridien-av-smtp1.lon-messaging.equant.net
57.66.66.119	PTR	meridien-av-smtp2.lon-messaging.equant.net
57.66.66.130	PTR	uk02.isb.is
57.66.69.10	A	ukfp.com
57.66.69.25	A	cityisa.com
57.66.69.43	A	investingforchildren.com
57.66.69.121	PTR	mail.livingston.com
57.66.69.122	PTR	mail.livingston.com
57.66.69.124	PTR	mail.livingston.com
57.66.69.196	PTR	smtpavlon.jt-int.com
57.66.69.231	A+PTR	rmc-spas1.lon-messaging.equant.net
57.66.70.18	A	dns1.acnielsen.co.uk
57.66.70.101	PTR	mail.certance.co.uk
57.66.70.130	A+PTR	london.acnielsen.co.uk
57.66.70.133	A+PTR	vnu044lonmsx01.enterprisenet.org
57.66.70.146	PTR	mail.thebookseller.com
57.66.72.57	A	ssl.bhpbilliton.gtmobs.equant.com
57.66.72.57	A	connect.bhpbilliton.com
57.66.72.60	A	jnbssl.bhpbilliton.com
57.66.73.12	A	mdm12.emea.kuehne-nagel.com
57.66.73.71	A	xn--khne-nagel-9db.ch
57.66.73.71	A	kuehnenagel.com
57.66.73.71	A	kuehne-nagel.co.uk
57.66.73.100	A	ftp.kuehne-nagel.com
57.66.73.102	A	www-world.kuehne-nagel.com
57.66.73.103	A	nacora.de
57.66.73.103	A	dtu-regensburg.com
57.66.73.147	A	kn-shop.com
57.66.73.147	A	knshop.com
57.66.74.55	A	ibpmail-smtpin.internal.kn-logistics.com
57.66.76.5	PTR	lhrga01-in.huawei.com
57.66.76.5	A	mailde.huawei.com
57.66.76.20	A	tts.huawei.com
57.66.76.38	A+PTR	delarue-av-smtp1.lon-messaging.equant.net
57.66.76.39	A+PTR	delarue-av-smtp2.lon-messaging.equant.net
57.66.76.74	PTR	airzimbabwe.aero
57.66.76.75	PTR	www.airzimbabwe.aero
57.66.76.76	PTR	mail.airzimbabwe.aero
57.66.76.117	A+PTR	mail.ykkeu.com
57.66.76.117	A	mail2.ykkeu.com
57.66.78.41	A	smtp1.eu.bunge.com
57.66.78.42	A	smtp2.eu.bunge.com
57.66.78.43	A	smtp3.eu.bunge.com
57.66.78.48	A	bungeitalia.com
57.66.78.132	A+PTR	mail3.adecco.co.uk
57.66.78.132	A	mailhost3.adecco.ie
57.66.78.133	A+PTR	mail4.adecco.co.uk
57.66.78.133	A	mailhost4.adecco.ie
57.66.81.132	PTR	uklomlr01.capco.com
57.66.81.132	A	mail.citypractitioners.com
57.66.81.180	PTR	uklomlr02.capco.com
57.66.82.75	PTR	webmail.fpk.com
57.66.82.80	PTR	sip.fpk.com
57.66.82.194	A+PTR	mail1.riotinto.com
57.66.83.1	A	secured.cebupacificair.com
57.66.83.44	A	tigris.sita-ats.com
57.66.83.50	A	euphrates.sita-ats.com
57.66.83.53	A	res.copaair.com
57.66.83.61	A	revenueintegrity.sita.aero
57.66.83.111	PTR	irmail2.internationalregistry.aero
57.66.83.115	A	internationalregistry.org
57.66.83.139	A	itd.sita-ats.com
57.66.83.139	A	hotel.sita-ats.com
57.66.83.139	A	flights.sita-ats.com
57.66.83.150	PTR	mailgw.sita-ats.com
57.66.84.241	PTR	smtp.plysorol.com
57.66.91.37	A	clermontleisure.com
57.66.91.37	A	theclermontclub.com
57.66.92.2	A	awf52.pasporte.net
57.66.92.2	A	awlc1.xodeportal.net
57.66.92.21	A	alouettebarge.com
57.66.92.21	A	fleurdelysbarge.com
57.66.95.133	PTR	plon3408-atm-2-0.1.gb.equant.net