Robtex

Up: 81.29.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.29.240.0/21
Down right: 81.29.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.29.240.26	A	ns8.pardise.net
81.29.240.28	A	ibt24.com
81.29.240.51	A	ns7.pardise.net
81.29.240.52	PTR	int0.client.access.fanaptelecom.net
81.29.240.53	PTR	int0.client.access.fanaptelecom.net
81.29.240.142	PTR	int0.client.access.fanaptelecom.net
81.29.240.142	A	omidasa.co
81.29.241.67	A	www.mapnaec.com
81.29.241.219	PTR	int0.client.access.fanaptelecom.net
81.29.242.17	PTR	int0.client.access.fanaptelecom.net
81.29.242.18	PTR	int0.client.access.fanaptelecom.net
81.29.242.110	PTR	int0.client.access.fanaptelecom.net
81.29.243.20	PTR	int0.client.access.fanaptelecom.net
81.29.243.25	PTR	int0.client.access.fanaptelecom.net
81.29.243.28	PTR	int0.client.access.fanaptelecom.net
81.29.243.87	PTR	int0.client.access.fanaptelecom.net
81.29.244.4	PTR	int0.client.access.fanaptelecom.net
81.29.244.26	PTR	int0.client.access.fanaptelecom.net
81.29.244.26	A	www.kiau.ac.ir
81.29.244.26	A	*.kiau.ac.ir
81.29.244.176	PTR	kiau.ac.ir
81.29.244.176	A	mathscience.kiau.ac.ir
81.29.244.176	A	mail.kiau.ac.ir
81.29.244.229	A	ns1.allreplica.net
81.29.245.70	PTR	int0.client.access.fanaptelecom.net
81.29.245.76	PTR	int0.client.access.fanaptelecom.net
81.29.246.62	A	ns2.allreplica.net
81.29.246.99	PTR	int0.client.access.fanaptelecom.net
81.29.246.99	A	www.eri.ac.ir
81.29.246.99	A	eri.ac.ir
81.29.247.26	A	mail.karkojast.com
81.29.247.50	PTR	int0.client.access.fanaptelecom.net
81.29.247.181	A+PTR	mail.payamgroups.com
81.29.247.181	A	mail.in2025.com
81.29.247.181	A	mail.ispmasih.com
81.29.248.3	PTR	int0.client.access.fanaptelecom.net
81.29.248.77	PTR	int0.client.access.fanaptelecom.net
81.29.248.161	PTR	int0.client.access.fanaptelecom.net
81.29.249.79	PTR	int0.client.access.fanaptelecom.net
81.29.249.89	PTR	int0.client.access.fanaptelecom.net
81.29.249.127	PTR	int0.client.access.fanaptelecom.net
81.29.249.224	PTR	int0.client.access.fanaptelecom.net
81.29.250.253	PTR	int0.client.access.fanaptelecom.net
81.29.251.100	PTR	mail.apadanawood.org
81.29.251.177	PTR	int0.client.access.fanaptelecom.net
81.29.251.227	PTR	int0.client.access.fanaptelecom.net
81.29.251.227	A	mail.fouladkar.ir
81.29.252.70	PTR	int0.client.access.fanaptelecom.net
81.29.252.82	A	sdreamers.ir
81.29.252.225	PTR	int0.client.access.fanaptelecom.net
81.29.253.2	A	bazfar.ir
81.29.254.2	PTR	int0.client.access.fanaptelecom.net
81.29.254.18	PTR	int0.client.access.fanaptelecom.net
81.29.254.62	PTR	int0.client.access.fanaptelecom.net
81.29.254.139	PTR	int0.client.access.fanaptelecom.net