Robtex

Up: 37.1.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 37.1.80.0/22
Down right: 37.1.84.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.1.80.7	A	static-37.1.80.7.yarnet.ru
37.1.80.10	PTR	static-37.1.80.10.yarnet.ru
37.1.80.15	A	static-37.1.80.15.yarnet.ru
37.1.80.21	A	static-37.1.80.21.yarnet.ru
37.1.80.32	A+PTR	static-37.1.80.32.yarnet.ru
37.1.80.35	PTR	static-37.1.80.35.yarnet.ru
37.1.80.57	A+PTR	static-37.1.80.57.yarnet.ru
37.1.80.75	A+PTR	static-37.1.80.75.yarnet.ru
37.1.80.80	PTR	ppp-vpdn-37.1.80.80.yarnet.ru
37.1.80.80	A	ystu.ru
37.1.80.85	A	static-37.1.80.85.yarnet.ru
37.1.80.106	A+PTR	static-37.1.80.106.yarnet.ru
37.1.80.107	PTR	static-37.1.80.107.yarnet.ru
37.1.80.138	PTR	static-37.1.80.138.yarnet.ru
37.1.80.149	A	static-37.1.80.149.yarnet.ru
37.1.80.153	A+PTR	static-37.1.80.153.yarnet.ru
37.1.80.158	A	static-37.1.80.158.yarnet.ru
37.1.80.160	A+PTR	static-37.1.80.160.yarnet.ru
37.1.80.161	PTR	static-37.1.80.161.yarnet.ru
37.1.80.165	A	static-37.1.80.165.yarnet.ru
37.1.80.170	PTR	sah.yarnet.ru
37.1.80.176	A+PTR	static-37.1.80.176.yarnet.ru
37.1.80.186	A+PTR	static-37.1.80.186.yarnet.ru
37.1.80.193	PTR	static-37.1.80.193.yarnet.ru
37.1.80.195	PTR	static-37.1.80.195.yarnet.ru
37.1.80.205	A	www.dpo-edu.ru
37.1.80.205	A	www.gapm.ru
37.1.80.205	A	dpo-edu.ru
37.1.80.207	A	static-37.1.80.207.yarnet.ru
37.1.80.216	A+PTR	static-37.1.80.216.yarnet.ru
37.1.80.229	A	static-37.1.80.229.yarnet.ru
37.1.80.250	A	mail2.rusalin.ru
37.1.80.251	PTR	static-37.1.80.251.yarnet.ru
37.1.83.74	A	yaratp.ru
37.1.83.168	A+PTR	static-37.1.83.168.yarnet.ru
37.1.83.168	A	snm-code.ru
37.1.83.168	A	www.snm-code.ru
37.1.83.214	PTR	static-37.1.83.214.yarnet.ru
37.1.83.214	A	smtp.kaskad.yaroslavl.ru
37.1.83.214	A	kaskad.yaroslavl.ru
37.1.84.17	PTR	static-37.1.84.17.yarnet.ru
37.1.84.66	A	ns1.azimutprint.ru
37.1.84.69	A	azimutprint.ru
37.1.84.69	A	mx1.azimutprint.ru
37.1.84.75	PTR	static-37.1.84.75.yarnet.ru
37.1.84.75	A	yatgt.ru
37.1.84.75	A	yarmiit.ru
37.1.84.90	A	ns-yarnet.eldin.ru
37.1.84.91	PTR	static-37.1.84.91.yarnet.ru
37.1.84.92	A	static-37.1.84.92.yarnet.ru
37.1.84.93	PTR	static-37.1.84.93.yarnet.ru
37.1.84.110	PTR	zimbra.azimutprint.ru
37.1.84.166	A+PTR	nest.csti.yar.ru
37.1.84.166	A	csti.yar.ru
37.1.84.170	A	ipkav.ru
37.1.86.38	A+PTR	ppp-vpdn-37.1.86.38.yarnet.ru
37.1.86.214	PTR	ppp-vpdn-37.1.86.214.yarnet.ru