Robtex

Up: 81.21.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.21.80.0/22
Down right: 81.21.84.0/22

IP	Type	Hostname
81.21.80.4	A	ultel-net-core-ll-lo.ultel.net
81.21.80.6	A	mpls-493-lo.ultel.net
81.21.80.18	A+PTR	mx3.ultel.net
81.21.80.18	A	mx3.ultel.az
81.21.80.20	A+PTR	mail.ultel.net
81.21.80.20	A	mail.ultel.az
81.21.80.21	PTR	ns1.ultel.net
81.21.80.22	PTR	mx2.ultel.net
81.21.80.22	PTR	ns2.ultel.net
81.21.80.25	A+PTR	billing.ultel.net
81.21.80.30	A+PTR	testmail.ultel.net
81.21.80.46	PTR	it-admin-l.ultel.net.80.21.81.in-addr.arpa
81.21.81.4	PTR	vipline.az
81.21.81.31	PTR	mail.nbp-baku.az
81.21.81.35	A	mx1.sindibad.az
81.21.81.67	A+PTR	mail.hoversgroup.com
81.21.81.67	A	smtp.hoversgroup.com
81.21.81.127	A	mail.integral.az
81.21.81.139	A	mail.isrholdingltd.com
81.21.81.158	A	reyestr.info
81.21.81.158	A	www.reyestr.info
81.21.81.174	PTR	mail.betta.az
81.21.81.186	A+PTR	mail.edelweisslogistics.com
81.21.81.190	A	office.rayda.az
81.21.82.3	A	mail.boacollection.az
81.21.82.50	A+PTR	mail.hydrotech.az
81.21.82.50	A	mail.buxar.az
81.21.82.66	A	mail2.gwtc.az
81.21.82.79	PTR	mail.edelweisslogistics.com
81.21.82.90	PTR	mx1.jointleasing.az
81.21.82.90	A	mail.jointleasing.az
81.21.82.125	A	mail.moorestephens.az
81.21.82.155	A	azpeople.org
81.21.82.180	A	ex.aplusa-security.com
81.21.82.241	A	mail.wenaas.az
81.21.83.52	A+PTR	mail.embawood.com
81.21.83.52	A	mail.madeyra.com
81.21.83.74	A	gate.bakusteel.com
81.21.83.77	A	mx01.bakusteel.com
81.21.83.108	A	mail.affa.az
81.21.83.121	A	email.etb.az
81.21.83.122	A	email.eurotobacco.com
81.21.83.146	A	mail.lexus.az
81.21.83.155	PTR	mail.mobitel.az
81.21.83.156	A+PTR	mail.unitedtelecom.az
81.21.83.156	A	mail.mobitel.az
81.21.83.157	A+PTR	mail.mtservices.az
81.21.83.171	A+PTR	webmail.azenco.az
81.21.83.182	A+PTR	mail.excelsiorhotelbaku.az
81.21.83.182	A	mail.excelsior.az
81.21.83.251	A	mail.ionline.az
81.21.83.252	PTR	mx2.ionline.az
81.21.83.252	A	mail.ionline.az
81.21.83.252	A	vpn.ciic.az
81.21.83.253	A	ns3.ionline.az
81.21.83.254	PTR	mx4.ionline.az
81.21.83.254	A	www.ansar.az
81.21.84.43	PTR	43-84-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.84.43	A	www.ulduzovu.com
81.21.84.43	A	ulduzovu.com
81.21.84.44	A	live24.az
81.21.84.44	A	www.live24.az
81.21.84.58	A+PTR	mail.toyotabaku.az
81.21.84.58	A	mail2.toyota.az
81.21.84.82	PTR	82-84-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.84.82	A	webmail.azenco.az
81.21.84.98	A+PTR	mail.azpetrol.com
81.21.84.122	A	mail5.cpc.az
81.21.84.163	PTR	163-84-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.84.169	A	issprovider.com
81.21.85.5	A	yestaxi-online.com
81.21.85.17	PTR	mail.granitas.az
81.21.85.48	PTR	48-85-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.85.50	PTR	50-85-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.85.73	PTR	73-85-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.85.176	PTR	176-85-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.85.214	A	mailexh.vostok.az
81.21.86.8	PTR	8-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.17	PTR	17-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.24	PTR	24-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.35	PTR	35-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.51	PTR	51-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.56	PTR	56-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.57	PTR	57-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.58	PTR	58-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.59	PTR	59-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.62	A	snow-white-skiing.com
81.21.86.72	PTR	72-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.73	PTR	73-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.91	PTR	91-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.97	PTR	97-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.112	PTR	112-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.120	PTR	120-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.130	PTR	130-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.138	PTR	138-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.153	PTR	153-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.157	A	fompr.com
81.21.86.157	A	frogo.org
81.21.86.169	PTR	169-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.176	PTR	176-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.186	PTR	186-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.192	PTR	192-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.193	PTR	193-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.227	PTR	227-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.242	PTR	242-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.86.249	PTR	249-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.87.30	A	elataxi-online.com
81.21.87.49	PTR	49-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.87.186	PTR	186-86-21-81-pppoe-dynamic-ip.ultel-dot-net
81.21.87.225	PTR	225-86-21-81-pppoe-dynamic-ip.ultel-dot-net