Robtex

Up: 77.74.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.74.88.0/23
Down right: 77.74.90.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.74.88.1	A+PTR	dns2.belpex.be
77.74.88.1	A+PTR	dns2.elia.be
77.74.88.11	PTR	root-nsd1.elia.be
77.74.88.12	A+PTR	root-nsd2.elia.be
77.74.88.65	A+PTR	mails11.elia.be
77.74.88.65	A+PTR	mails11.offon.be
77.74.88.66	PTR	mailstux.elia-flash.be
77.74.88.66	A+PTR	mailstux.elia.be
77.74.88.66	A+PTR	mailstux.offon.be
77.74.88.77	A+PTR	messmail.com.elia.be
77.74.88.129	A+PTR	www-proxy4.elia.be
77.74.88.130	A+PTR	www-proxy5.elia.be
77.74.88.131	A+PTR	www-proxy2.elia.be
77.74.88.144	PTR	outgoingproxy144.elia.be
77.74.90.13	A	nominations.elia.be
77.74.90.14	A+PTR	meb.elia.be
77.74.90.17	A	www.eurogrid-int.net
77.74.90.18	PTR	srm.elia.be
77.74.90.19	A	nedi1.elia.be
77.74.90.20	A+PTR	usersgroup.elia.be
77.74.90.21	A	srmcatalog.elia.be
77.74.90.24	PTR	elia.be
77.74.90.24	PTR	www.eliagroup.be
77.74.90.24	PTR	www.elia-group.eu
77.74.90.25	A+PTR	webmail.elia.be
77.74.90.27	A+PTR	edisso.elia.be
77.74.90.43	A+PTR	publications.elia.be
77.74.90.43	A+PTR	publications-origin.elia.be
77.74.90.45	A+PTR	elia.be
77.74.90.45	PTR	ellia.be
77.74.90.45	PTR	stevin.be
77.74.90.46	PTR	sim.elia.be
77.74.90.46	PTR	mail.sim.elia.be
77.74.90.52	A+PTR	itduty.elia.be
77.74.90.69	PTR	ecc.elia.be
77.74.90.69	PTR	crmapp.elia.be
77.74.90.69	PTR	crm.elia.be
77.74.90.78	A+PTR	stevin.be
77.74.90.78	A	www.stevin.be
77.74.90.83	PTR	sip.elia.be
77.74.90.83	A+PTR	sip.externel.be
77.74.90.83	PTR	sip.eliagroup.eu
77.74.90.86	PTR	www.elektriciteitinevenwicht.be
77.74.90.86	PTR	pretpourlhiver.be
77.74.90.86	A+PTR	www.electricite-en-equilibre.be
77.74.90.97	A	www.powerinbalance.be
77.74.90.97	A	www.zomerklaar.be
77.74.90.97	A	www.readyforsummer.be
77.74.90.199	A	srmacc.elia.be
77.74.90.247	PTR	srmacc.elia.be
77.74.91.12	A	www20.elia.be
77.74.91.17	PTR	meb.elia.be
77.74.91.21	A	comadmin.elia.be
77.74.91.21	A	com.elia.be
77.74.91.39	PTR	srm.elia.be
77.74.91.41	PTR	nedi1.elia.be
77.74.91.49	A+PTR	belesfs.elia-engineering.com
77.74.91.54	PTR	edisso.elia.be
77.74.91.55	A+PTR	nominationssso.elia.be
77.74.91.56	A+PTR	nedi1sso.elia.be