Robtex

Up: 57.66.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 57.66.0.0/18
Down right: 57.66.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
57.66.0.3	A+PTR	loop-0-d01.lon1.equant.net
57.66.0.66	A	et000-0-s01.lon1.equant.net
57.66.3.2	A+PTR	dial-2-d01.lon1.equant.net
57.66.4.2	A+PTR	dial-2-d03.lon1.equant.net
57.66.8.37	PTR	mail.jfhgroup.com
57.66.8.39	PTR	webmail.jfhillebrand.com
57.66.8.44	PTR	mailout.jfhillebrand.com
57.66.8.50	PTR	demo.jfhillebrand.com
57.66.8.56	A	mail1.jfhillebrand.eu
57.66.8.58	A	mail2.jfhillebrand.eu
57.66.9.13	A+PTR	mcrosoft-gw-n02.lon1.equant.net
57.66.9.228	A+PTR	parkroya.saupiquet.com
57.66.26.4	PTR	p4.eu1.stsn.com
57.66.26.128	PTR	p128.eu1.stsn.com
57.66.27.1	PTR	p1.eu2.stsn.com
57.66.27.152	PTR	p152.eu2.stsn.com
57.66.33.1	A	dffs.envisat.esa.int
57.66.33.1	A	df-fs.envisat.esa.int
57.66.33.1	A	eodnsesr1-ext-envisat.envisat.esa.int
57.66.33.2	A	eodnsesr2-ext-envisat.envisat.esa.int
57.66.38.30	A	shsccs-lon.mhs-pf.com
57.66.44.199	A+PTR	smtpgate.cussons.com
57.66.46.103	A	procida.envisat.esa.int
57.66.46.104	A	nisida.envisat.esa.int
57.66.46.200	A	mail2.interbrew.co.uk
57.66.46.200	A	dmgdamx2.myinterbrew.net
57.66.46.200	A	relay2.interbrew.it
57.66.46.205	A	relay1.interbrew.it
57.66.49.131	PTR	mail1.paconsulting.com
57.66.49.133	PTR	gw.pa-consulting.com
57.66.51.2	PTR	gwsc.pa-consulting.com
57.66.51.74	PTR	gwlon.paconsulting.com
57.66.56.211	A+PTR	eu-e-ns1.bio-rad.com
57.66.56.212	A+PTR	eu-e-ns2.bio-rad.com
57.66.56.238	PTR	host-57-66-56-238.albint.com
57.66.57.15	A+PTR	casco-av-smtp1.lon-messaging.equant.net
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
57.66.69.196	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
57.66.70.130	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
57.66.73.147	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	delarue-av-smtp2.lon-messaging.equant.net
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
57.66.83.139	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
57.66.98.209	A	universal-cg.com.mx
57.66.98.209	A	umusicpubcms.com
57.66.98.210	A	universalmusicpublishing.fr
57.66.98.210	A	umusicpub.at
57.66.102.101	A	mail.icgplc.co.uk
57.66.102.101	A	mail.icgplc.com
57.66.102.108	A	mailservereu.icgam.com
57.66.102.109	A	mailservereu1.icgam.com
57.66.103.7	A+PTR	mercury.simmons-simmons.com
57.66.103.10	A	www1.simmons-simmons.com
57.66.103.20	A	ldngtw001.simmons-simmons.com
57.66.104.9	A	www.pasporte.net
57.66.104.27	A	lon11.pasporte.net
57.66.111.5	A	omni.ecobank.com
57.66.111.8	A	fib.ecobank.com
57.66.111.25	A	mgw.ecobank.com
57.66.111.61	A	ibank.ecobank.com
57.66.111.144	A	mobile.ecobank.com
57.66.111.230	A	ecobankmobile.com
57.66.111.230	A	www.ecobankmobile.com
57.66.118.9	A	e-files.sidel.com
57.66.118.35	A	e-files.sidel.com
57.66.120.24	A	mail.mowi.com
57.66.120.24	A	mowi.com
57.66.120.134	A	mail.marineharvest.com
57.66.122.33	A	bengalbrats.com
57.66.124.1	PTR	smtp2.flowserve.com
57.66.127.193	PTR	et004-0-s01.lon1.equant.net
57.66.127.194	A+PTR	ns1.equant.net
57.66.127.195	A+PTR	blon307.equant.net
57.66.127.196	A+PTR	ns12.equant.net
57.66.127.198	A	ns13.equant.net