Robtex

Up: 81.27.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.27.240.0/21
Down right: 81.27.248.0/21

IP	Type	Hostname
81.27.240.38	A	eschool.center
81.27.240.66	PTR	81.27.240.66.rascom.as20764.net
81.27.240.67	PTR	81-27-240-67.rascom.as20764.net
81.27.240.84	PTR	81.27.240.84.rascom.as20764.net
81.27.240.124	PTR	81.27.240.124.rascom.as20764.net
81.27.240.125	PTR	81-27-240-125.rascom.as20764.net
81.27.240.126	A	espresso.codeforces.com
81.27.240.179	PTR	81.27.240.179.rascom.as20764.net
81.27.241.78	A+PTR	mail.rozredkino.ru
81.27.241.83	PTR	81-27-241-83.rascom.as20764.net
81.27.241.85	PTR	81.27.241.85.rascom.as20764.net
81.27.241.85	A	rokba.com
81.27.241.86	PTR	81-27-241-86.rascom.as20764.net
81.27.241.86	A	mail.rokba.com
81.27.241.215	PTR	81.27.241.215.rascom.as20764.net
81.27.241.215	A	aud1.giganet.ru
81.27.242.17	PTR	81.27.242.17.rascom.as20764.net
81.27.242.17	A	scontent.fhel5-1.fna.fbcdn.net
81.27.242.18	PTR	81-27-242-18.rascom.as20764.net
81.27.242.18	A	video.fhel5-1.fna.fbcdn.net
81.27.242.30	PTR	81.27.242.30.rascom.as20764.net
81.27.242.30	A	sonar.fhel5-1.fna.fbcdn.net
81.27.242.32	PTR	81-27-242-32.rascom.as20764.net
81.27.242.32	A	z-p3-scontent.fhel5-1.fna.fbcdn.net
81.27.242.33	PTR	81-27-242-33.rascom.as20764.net
81.27.242.33	A	instagram.fhel5-1.fna.fbcdn.net
81.27.242.119	PTR	81.27.242.119.rascom.as20764.net
81.27.242.140	PTR	81-27-242-140.rascom.as20764.net
81.27.242.140	A	r1.sn-g5njvh-n8vl.gvt1.com
81.27.242.140	A	r1.sn-g5njvh-n8vl.googlevideo.com
81.27.242.141	PTR	81-27-242-141.rascom.as20764.net
81.27.242.141	A	r2.sn-g5njvh-n8vl.gvt1.com
81.27.242.141	A	r2.sn-g5njvh-n8vl.googlevideo.com
81.27.242.142	PTR	81-27-242-142.rascom.as20764.net
81.27.243.26	A	securitylab.ru
81.27.243.31	A	relay.ptsecurity.com
81.27.243.35	PTR	81-27-243-35.rascom.as20764.net
81.27.243.35	A	mx1.ptsecurity.com
81.27.243.36	A	mx2.ptsecurity.ru
81.27.243.53	A	ptsecurity.ru
81.27.243.237	A+PTR	mail.fil-it.ru
81.27.245.53	PTR	81-27-245-53.rascom.as20764.net
81.27.245.107	PTR	81-27-245-107.rascom.as20764.net
81.27.245.110	PTR	81-27-245-110.rascom.as20764.net
81.27.245.123	PTR	81-27-245-123.rascom.as20764.net
81.27.245.165	PTR	81-27-245-165.rascom.as20764.net
81.27.245.217	PTR	81-27-245-217.rascom.as20764.net
81.27.245.238	PTR	81-27-245-238.rascom.as20764.net
81.27.246.34	PTR	mail.gutabank.ru
81.27.246.34	A	mail.banktver.ru
81.27.246.144	PTR	81-27-246-144.rascom.as20764.net
81.27.246.204	A	mail.tverpk.ru
81.27.246.204	A	lotus.tverpk.ru
81.27.247.115	PTR	81-27-247-115.rascom.as20764.net
81.27.247.141	A	tverstroymash.an-net.ru
81.27.247.145	PTR	81-27-247-145.rascom.as20764.net
81.27.249.3	PTR	81-27-249-3.rascom.as20764.net
81.27.249.254	A	ns1.an-net.ru
81.27.250.50	PTR	81-27-250-50.rascom.as20764.net
81.27.251.34	PTR	81-27-251-34.rascom.as20764.net
81.27.251.34	A	ext-strm-rascom01.strm.yandex.net
81.27.251.35	PTR	81-27-251-35.rascom.as20764.net
81.27.251.35	A	ext-strm-rascom02.strm.yandex.net
81.27.251.36	PTR	81.27.251.36.rascom.as20764.net
81.27.251.36	A	ext-strm-rascom03.strm.yandex.net
81.27.251.37	PTR	81-27-251-37.rascom.as20764.net
81.27.251.37	A	ext-strm-rascom04.strm.yandex.net
81.27.251.48	PTR	81.27.251.48.rascom.as20764.net
81.27.251.48	A	ext-strm-rascom15.strm.yandex.net
81.27.251.49	PTR	81.27.251.49.rascom.as20764.net
81.27.251.49	A	ext-strm-rascom16.strm.yandex.net
81.27.251.50	PTR	81-27-251-50.rascom.as20764.net
81.27.251.50	A	ext-strm-rascom17.strm.yandex.net
81.27.251.51	PTR	81-27-251-51.rascom.as20764.net
81.27.251.51	A	ext-strm-rascom18.strm.yandex.net
81.27.252.81	PTR	81.27.252.81.rascom.as20764.net
81.27.252.90	A+PTR	sv3.cemtorg.com
81.27.252.94	PTR	81-27-252-94.rascom.as20764.net
81.27.252.103	PTR	81.27.252.103.rascom.as20764.net
81.27.252.103	A	ns1.simplecloud.ru
81.27.252.103	A	ns1.clodo.ru
81.27.252.161	PTR	81-27-252-161.rascom.as20764.net
81.27.252.198	PTR	81.27.252.198.rascom.as20764.net
81.27.254.18	PTR	oyster.rascom.ru
81.27.254.22	PTR	81.27.254.22.rascom.as20764.net
81.27.254.86	A	mail.enga.su
81.27.254.119	PTR	rutube-rascom-gw.rascom.as20764.net
81.27.254.119	A	video-307-1.rutube.ru
81.27.254.140	A	vvterminal.ru
81.27.255.2	PTR	81.27.255.2.rascom.as20764.net
81.27.255.12	PTR	81-27-255-12.rascom.as20764.net
81.27.255.22	PTR	81.27.255.22.rascom.as20764.net
81.27.255.22	A	wilgood.ru