Robtex

Up: 79.99.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 79.99.40.0/23
Down right: 79.99.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
79.99.40.6	PTR	dns-1.streamline.net
79.99.40.7	PTR	allot.slndns.co.uk
79.99.40.10	PTR	ssl-01.com
79.99.40.10	A	hostmaster.ssl-01.com
79.99.40.130	A+PTR	auth-smtp-130.streamline.net
79.99.40.130	A	authsmtp.streamline.net
79.99.40.131	PTR	auth-smtp-01.streamline.net
79.99.40.132	PTR	auth-smtp-02.streamline.net
79.99.40.132	A	authsmtp.streamline.net
79.99.40.133	A	auth-smtp-133.streamline.net
79.99.40.134	A	auth-smtp-01.streamline.net
79.99.40.134	A	auth-smtp-134.streamline.net
79.99.40.135	PTR	auth-smtp-02.streamline.net
79.99.40.136	PTR	webmail.streamline.net
79.99.40.136	A	mailboxcontrol.co.uk
79.99.40.136	A	ns1.mailboxcontrol.co.uk
79.99.40.139	PTR	webmail.streamline.net
79.99.40.141	PTR	www.mailboxcontrol.co.uk
79.99.41.4	PTR	libidex.com
79.99.41.4	A	liberationclub.com
79.99.41.4	A	ns.radicalrubber.co.uk
79.99.41.5	A+PTR	netcluster.co.uk
79.99.41.10	PTR	pug306.net
79.99.41.26	A	ns.kinkycottage.co.uk
79.99.41.30	A	mail.lymphoma-net.org
79.99.41.42	A	james.lv
79.99.41.42	A	storysay.com
79.99.41.42	A	thefrenchpoet.com
79.99.41.44	A	linkky.com
79.99.41.44	A	rkyvuser.com
79.99.41.44	A	tagmyblog.com
79.99.41.48	PTR	beegital.com
79.99.41.48	A	ns1.beegital.com
79.99.41.48	A	mail.beegital.com
79.99.41.49	A	ns2.beegital.com
79.99.41.56	PTR	angelogames.com
79.99.41.60	PTR	www.capitis.tv
79.99.41.60	A	mail.acesme.com
79.99.41.60	A	acesme.com
79.99.41.76	PTR	inn2.co.uk
79.99.41.76	A	mail.inn2.co.uk
79.99.41.82	PTR	clydefc.co.uk
79.99.41.206	A	specialoffercars.co.uk
79.99.41.206	A	getoutstayout.co.uk
79.99.42.24	A	stylesorter.co.uk
79.99.42.132	A	joyruljobs.com
79.99.42.132	A	ns2.joyruljobs.com
79.99.42.132	A	ns.joyruljobs.com
79.99.42.142	A	synthmaker.co.uk
79.99.42.189	PTR	ds.robobitz.co.uk
79.99.42.210	A	sitebuilder.streamline.net
79.99.43.5	PTR	bostonbaydigital.com
79.99.43.14	PTR	droitwichspafc.org.uk
79.99.43.64	PTR	streamli-9f0a70.ncb.org.uk
79.99.43.64	A	playfulcommunities.com
79.99.43.64	A	playfulcommunities.org.uk
79.99.43.67	PTR	mayahotelsindia.com
79.99.43.68	PTR	cd01.co.uk
79.99.43.71	A	justpartsbiz.com
79.99.43.78	PTR	e-axon.biz
79.99.43.79	PTR	e-axon.biz
79.99.43.91	A	ns.bathroomwarehouseuk.com
79.99.43.144	PTR	gherson.com
79.99.43.156	PTR	intour.co.uk
79.99.43.162	A	*.loc8tor.es
79.99.43.170	A	mail.sparkleplus.co.uk
79.99.43.187	A	gotlogic.co.uk
79.99.43.198	PTR	thisisbigbrother.com
79.99.43.204	A	mail.emizon.com
79.99.43.212	A	jprfreelance.eu
79.99.43.212	A	mailserver.dream-american-cars.com