Robtex

Up: 209.81.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 209.81.96.0/20
Down right: 209.81.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.81.96.0	PTR	209-81-96-0.static.arvig.net
209.81.96.2	A	702comm-per.arvig.net
209.81.96.8	A	7206atm-1-per.arvig.net
209.81.96.9	A	2948l3-1.net.arvig.net
209.81.96.11	A	2500bl-per.arvig.net
209.81.96.33	A+PTR	fortigate.arvig.com
209.81.96.35	A	incognito2-per.arvig.net
209.81.96.37	A	ipassroam-per.arvig.net
209.81.96.49	A	ns1.loretel.net
209.81.96.66	A	corpasa-per.arvig.net
209.81.96.66	A	corppix-per.arvig.net
209.81.96.67	A+PTR	corplan.arvig.com
209.81.96.70	A	gwweb-per.arvig.net
209.81.96.98	A	7206tarp-per.arvig.net
209.81.96.102	A	cmts-dl.arvig.net
209.81.96.118	A	para8820-1-stp.arvig.net
209.81.96.126	A	gl3-dl.arvig.net
209.81.96.130	PTR	ns12.arvig.net
209.81.96.130	A	ns2.loretel.net
209.81.96.130	A	ns2.loretel.com
209.81.96.131	PTR	insider.arvig.com
209.81.96.143	A	bam.arvig.com
209.81.96.154	A	ebpp.arvig.com
209.81.96.160	PTR	acssmtp4.arvig.net
209.81.96.160	A	vergaslutheran.org.mx1.arvig.rcimx.net
209.81.96.160	A	arvig.rcimx.net
209.81.96.161	PTR	acssmtp1.arvig.net
209.81.96.161	A	vergaslutheran.org.mx1.arvig.rcimx.net
209.81.96.161	A	denneyplumbing.com.mx1.arvig.rcimx.net
209.81.96.162	PTR	acssmtp2.arvig.net
209.81.96.162	A	vergaslutheran.org.mx1.arvig.rcimx.net
209.81.96.162	A	denneyplumbing.com.mx1.arvig.rcimx.net
209.81.96.163	PTR	spamblocker.arvig.net
209.81.96.163	A	vergaslutheran.org.mx1.arvig.rcimx.net
209.81.96.163	A	arvig.rcimx.net
209.81.96.200	A	patriot.arvig.com
209.81.96.201	A	patriot-2.arvig.com
209.81.96.212	A	email-cluster-1.eot.com
209.81.96.212	A	webmail.wadenapj.com
209.81.96.235	A	noc.arvig.com
209.81.96.242	A	noc.arvig.com
209.81.96.249	A	mail.arvig.biz
209.81.96.251	A	ns51.arvig.net
209.81.96.252	A	ns52.arvig.net
209.81.97.1	PTR	ntp3.arvig.net
209.81.97.2	PTR	209-81-97-2.static.arvig.net
209.81.97.3	PTR	209-81-97-3.static.arvig.net
209.81.97.32	PTR	209-81-97-32.static.arvig.net
209.81.97.33	PTR	209-81-97-33.static.arvig.net
209.81.97.35	PTR	209-81-97-35.static.arvig.net
209.81.97.67	PTR	209-81-97-67.static.arvig.net
209.81.97.98	PTR	209-81-97-98.static.arvig.net
209.81.97.99	PTR	209-81-97-99.static.arvig.net
209.81.97.129	PTR	209-81-97-129.static.arvig.net
209.81.97.162	PTR	209-81-97-162.static.arvig.net
209.81.97.163	PTR	209-81-97-163.static.arvig.net
209.81.97.192	PTR	209-81-97-192.static.arvig.net
209.81.97.193	PTR	209-81-97-193.static.arvig.net
209.81.97.194	PTR	209-81-97-194.static.arvig.net
209.81.97.225	PTR	209-81-97-225.static.arvig.net
209.81.97.227	PTR	209-81-97-227.static.arvig.net
209.81.100.32	A	vmail.covington.email
209.81.100.245	A	vm.arvig.net
209.81.100.254	A	voice1.arvig.net
209.81.101.227	PTR	209-81-101-227.eot.com
209.81.101.227	A	mail.barrelofunsnacks.com
209.81.101.230	A	webmail.klnfamilybrands.com
209.81.102.160	A	mail.myclearpathadvisors.com
209.81.102.174	A	smtp.herzogroofing.com
209.81.102.176	A	koinoniadl.com
209.81.102.195	A	marineinno.dyndns.org
209.81.102.205	A	mail.dlinn.com
209.81.102.222	A	mail.cactitle.com
209.81.104.42	A	weconstituents.com
209.81.104.50	A	mail.westcentralag.com
209.81.104.66	A	bam.arvig.com
209.81.104.107	A	mail.totalenergyconcepts.com
209.81.104.107	A	remote.totalenergyconcepts.com
209.81.104.130	PTR	209-81-104-130.static.arvig.net
209.81.104.130	A	cci-eng.com
209.81.104.173	A	mail.midwestbank.net
209.81.104.226	PTR	209-81-104-226.static.arvig.net
209.81.104.226	A	whiteearthgis.com
209.81.104.244	A	ni-4.eot.com
209.81.104.251	A	mail.dlinn.com
209.81.105.24	A	mail.cityofperham.com
209.81.105.118	A	naytahwaush.org
209.81.105.162	A	*.sjerhombus.com
209.81.105.163	A	*.sjerhombus.com
209.81.105.165	A	pumpswitches.com
209.81.105.165	A	tankalarm.com
209.81.105.165	A	sjerhombus.net
209.81.105.226	PTR	209-81-105-226.eot.com
209.81.105.226	A	bugschool.k12.mn.us
209.81.106.178	A	mail.whiteearth-nsn.gov
209.81.106.178	A	whiteearth-nsn.gov
209.81.107.35	PTR	209-81-107-35.static.arvig.net
209.81.107.35	A	smtp.klnfamilybrands.com
209.81.107.41	A	webmail.klnfamilybrands.com
209.81.108.66	A	mail.superstationk106.com
209.81.108.195	A+PTR	mail.mahube.org
209.81.108.203	A	mail.teamlab.net
209.81.111.12	A	ns1.adaprinting.com
209.81.111.61	PTR	209-81-111-61.arvig.net
209.81.111.61	A	1071umps.com
209.81.111.61	A	1071-ump2.eot.com
209.81.111.76	A	r1.sn-5g8pb-hn2l.gvt1.com
209.81.111.76	A	r1---sn-5g8pb-hn2l.googlevideo.com
209.81.111.77	A	r2---sn-5g8pb-hn2l.c.youtube.com
209.81.111.77	A	r2.sn-5g8pb-hn2l.gvt1.com
209.81.111.197	A	cheeser.com
209.81.111.198	PTR	209-81-111-198.arvig.net
209.81.111.198	A	ns2.digitaljam.com
209.81.111.221	PTR	209-81-111-221.arvig.net
209.81.112.74	A	climatewars.org
209.81.114.164	A	occ-0-3253-1239.1.nflxso.net
209.81.114.164	A	ipv4-c001-msp001-arvig-isp.1.oca.nflxvideo.net
209.81.114.164	A	occ-0-3253-132.1.nflxso.net
209.81.116.80	A	*.timecommunications.biz
209.81.116.105	A	monitoring.arvig.com
209.81.117.0	PTR	209-81-117-0.static.arvig.net
209.81.117.4	A	clbs.k12.mn.us
209.81.117.4	A	star.isd115.com
209.81.117.4	A	isd115.com
209.81.117.44	A	sun.isd115.com
209.81.117.44	A	sun.clbs.k12.mn.us
209.81.117.44	A	sun.isd115.org
209.81.117.98	PTR	arvig.com
209.81.117.98	A	702dpg.com
209.81.117.106	A	wugisp.arvig.com
209.81.117.131	A	wehelpdesk.com
209.81.117.200	A	powermytv.com
209.81.117.200	A	extranet.arvig.com
209.81.117.205	A	arvig.org
209.81.117.205	A	ebpp.arvig.com
209.81.117.226	PTR	209-81-117-226.static.arvig.net
209.81.117.226	A	occ-1-824-1239.1.nflxso.net
209.81.117.226	A	ipv4-c001-far001-arvig-isp.ftl.nflxvideo.net
209.81.119.141	A	arvig.net
209.81.119.142	A	arvig.net
209.81.119.143	A	arvig.net
209.81.119.204	A	arvig.net
209.81.120.2	A	7206-1-lo1-2.static.arvig.net
209.81.120.4	A+PTR	ns.isd2170.k12.mn.us
209.81.120.6	A	isd2170.k12.mn.us
209.81.120.38	A	ns.pillager.k12.mn.us
209.81.120.67	A+PTR	7206-1-lo1-67.dhcp.arvig.net
209.81.120.67	A	verndale.k12.mn.us
209.81.120.67	A	vernmail.verndale.k12.mn.us
209.81.120.74	A	vernns.verndale.k12.mn.us
209.81.120.98	A+PTR	7206-1-lo1-98.dhcp.arvig.net
209.81.120.101	A	ns.bertha-hewitt.k12.mn.us
209.81.120.115	A	7206-1-lo1-115.dhcp.arvig.net
209.81.120.118	A	mail.minnesotaknight.us
209.81.120.130	PTR	7206-1-lo1-130.dhcp.arvig.net
209.81.120.130	A	gateway.evps.k12.mn.us
209.81.120.133	A	7206-1-lo1-133.dhcp.arvig.net
209.81.120.145	A	ns.evps.k12.mn.us
209.81.120.227	PTR	dns.sebeka.k12.mn.us
209.81.120.227	A	ns1.geekswearingjeans.com
209.81.120.227	A	ns1.wadenadfl.org
209.81.120.249	A	mail.minnesotaknight.us
209.81.121.3	PTR	dial-ras4-5.eot.com
209.81.121.3	A	dns.menahga.k12.mn.us
209.81.121.43	A	dns.henning.k12.mn.us
209.81.121.66	PTR	dial-ras4-68.eot.com
209.81.121.66	A	rocket.fed.k12.mn.us
209.81.121.76	A	ns.fed.k12.mn.us
209.81.124.2	PTR	209-81-124-2.static.arvig.net
209.81.124.2	A	vpn.btdmfg.com
209.81.124.5	A	mail.btdmfg.com
209.81.124.5	A	mail10.btdmanufacturing.com
209.81.124.5	A	mail.impulsemfg.com
209.81.124.34	A+PTR	detlakes.k12.mn.us