Robtex

Up: 37.113.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.113.129.0/25
Down right: 37.113.129.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.113.129.1	PTR	mail.rosgeo.ru
37.113.129.10	PTR	37x113x129x10.static-business.chel.ertelecom.ru
37.113.129.14	PTR	37x113x129x14.static-business.chel.ertelecom.ru
37.113.129.27	A+PTR	mail.chzbh.ru
37.113.129.30	PTR	37x113x129x30.static-business.chel.ertelecom.ru
37.113.129.36	A	mx1.metalchel.ru
37.113.129.47	PTR	37x113x129x47.static-business.chel.ertelecom.ru
37.113.129.47	A	xn--74-6kc3bgx7i.xn--p1ai
37.113.129.54	PTR	37x113x129x54.static-business.chel.ertelecom.ru
37.113.129.54	A	www.sqlweb.ru
37.113.129.54	A	selena-dent.ru
37.113.129.71	A	ns.tlp.edu.ru
37.113.129.71	A	tlp.edu.ru
37.113.129.79	A+PTR	mail.polyot.ru
37.113.129.81	PTR	37x113x129x81.static-business.chel.ertelecom.ru
37.113.129.81	A	mail.cherz.ru
37.113.129.81	A	cherz.ru
37.113.129.85	A+PTR	mail.upl74.ru
37.113.129.124	A	mx2.rfchel.ru
37.113.129.132	PTR	37x113x129x132.static-business.chel.ertelecom.ru
37.113.129.137	PTR	37x113x129x137.static-business.chel.ertelecom.ru
37.113.129.158	PTR	37x113x129x158.static-business.chel.ertelecom.ru
37.113.129.158	A	mail1.uralcond.ru
37.113.129.166	PTR	mail.idei74.ru
37.113.129.166	A	mail2.idei72.ru
37.113.129.166	A	mail2.idei86.ru
37.113.129.176	PTR	mail3.bda.ru
37.113.129.176	A	mail.bda.ru
37.113.129.177	PTR	37x113x129x177.static-business.chel.ertelecom.ru
37.113.129.177	A	rss-chel.ru
37.113.129.178	PTR	37x113x129x178.static-business.chel.ertelecom.ru
37.113.129.178	A	aplix74.ru
37.113.129.181	PTR	bda.ru
37.113.129.188	PTR	miac74.ru
37.113.129.192	PTR	37x113x129x192.static-business.chel.ertelecom.ru
37.113.129.200	A+PTR	gc-souz.ru
37.113.129.200	PTR	mail.gc-souz.ru
37.113.129.200	A	mail-1.gc-souz.ru
37.113.129.204	PTR	chel.siaint.ru
37.113.129.207	PTR	37x113x129x207.static-business.chel.ertelecom.ru
37.113.129.207	A	mx1.chel.siaint.ru
37.113.129.207	A	chel.siaint.ru
37.113.129.222	A	mail.interpolis74.ru
37.113.129.231	PTR	37x113x129x231.static-business.chel.ertelecom.ru