Robtex

Up: 212.12.26.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.12.27.0/25
Down right: 212.12.27.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.12.27.0	PTR	rev-0-27-12-212.tula.net
212.12.27.1	PTR	rev-1-27-12-212.tula.net
212.12.27.2	PTR	rev-2-27-12-212.tula.net
212.12.27.4	PTR	rev-4-27-12-212.tula.net
212.12.27.5	PTR	rev-5-27-12-212.tula.net
212.12.27.7	PTR	rev-7-27-12-212.tula.net
212.12.27.8	PTR	rev-8-27-12-212.tula.net
212.12.27.9	PTR	rev-9-27-12-212.tula.net
212.12.27.13	A	informservice.ru
212.12.27.17	PTR	rev-17-27-12-212.tula.net
212.12.27.19	PTR	rev-19-27-12-212.tula.net
212.12.27.24	PTR	rev-24-27-12-212.tula.net
212.12.27.26	PTR	rev-26-27-12-212.tula.net
212.12.27.31	PTR	rev-31-27-12-212.tula.net
212.12.27.33	PTR	rev-33-27-12-212.tula.net
212.12.27.36	PTR	rev-36-27-12-212.tula.net
212.12.27.40	PTR	rev-40-27-12-212.tula.net
212.12.27.41	PTR	rev-41-27-12-212.tula.net
212.12.27.51	PTR	rev-51-27-12-212.tula.net
212.12.27.56	PTR	rev-56-27-12-212.tula.net
212.12.27.59	PTR	rev-59-27-12-212.tula.net
212.12.27.60	PTR	rev-60-27-12-212.tula.net
212.12.27.68	PTR	rev-68-27-12-212.tula.net
212.12.27.69	PTR	rev-69-27-12-212.tula.net
212.12.27.80	A+PTR	mx2.masangroup.ru
212.12.27.80	A	masangroup.ru
212.12.27.81	PTR	rev-81-27-12-212.tula.net
212.12.27.86	PTR	rev-86-27-12-212.tula.net
212.12.27.92	PTR	rev-92-27-12-212.tula.net
212.12.27.93	A	resanity.com
212.12.27.96	PTR	rev-96-27-12-212.tula.net
212.12.27.101	PTR	rev-101-27-12-212.tula.net
212.12.27.105	PTR	rev-105-27-12-212.tula.net
212.12.27.107	PTR	rev-107-27-12-212.tula.net
212.12.27.112	PTR	rev-112-27-12-212.tula.net
212.12.27.116	PTR	rev-116-27-12-212.tula.net
212.12.27.117	PTR	rev-117-27-12-212.tula.net
212.12.27.117	A	quiettown.net
212.12.27.120	PTR	rev-120-27-12-212.tula.net
212.12.27.124	PTR	rev-124-27-12-212.tula.net
212.12.27.125	PTR	rev-125-27-12-212.tula.net
212.12.27.128	PTR	rev-128-27-12-212.tula.net
212.12.27.132	PTR	rev-132-27-12-212.tula.net
212.12.27.133	PTR	rev-133-27-12-212.tula.net
212.12.27.135	PTR	rev-135-27-12-212.tula.net
212.12.27.138	PTR	rev-138-27-12-212.tula.net
212.12.27.142	PTR	rev-142-27-12-212.tula.net
212.12.27.142	A	mx1.aleksin.tula.ru
212.12.27.143	A	www.web-shop.online
212.12.27.143	A	game-shop.su
212.12.27.143	A	seo-analysis.ru
212.12.27.145	PTR	rev-145-27-12-212.tula.net
212.12.27.146	PTR	rev-146-27-12-212.tula.net
212.12.27.150	PTR	mail.crystalplant.ru
212.12.27.153	PTR	rev-153-27-12-212.tula.net
212.12.27.155	PTR	rev-155-27-12-212.tula.net
212.12.27.164	PTR	rev-164-27-12-212.tula.net
212.12.27.170	PTR	rev-170-27-12-212.tula.net
212.12.27.171	PTR	rev-171-27-12-212.tula.net
212.12.27.180	A	mail.jetdevel.com
212.12.27.183	PTR	rev-183-27-12-212.tula.net
212.12.27.187	PTR	rev-187-27-12-212.tula.net
212.12.27.190	PTR	rev-190-27-12-212.tula.net
212.12.27.190	A	ns.csslabs.ru
212.12.27.190	A	ns.gbovtule.ru
212.12.27.196	PTR	rev-196-27-12-212.tula.net
212.12.27.198	PTR	rev-198-27-12-212.tula.net
212.12.27.202	PTR	rev-202-27-12-212.tula.net
212.12.27.206	PTR	rev-206-27-12-212.tula.net
212.12.27.211	PTR	rev-211-27-12-212.tula.net
212.12.27.212	PTR	rev-212-27-12-212.tula.net
212.12.27.217	PTR	rev-217-27-12-212.tula.net
212.12.27.229	A+PTR	mx0.tulaprombank.ru
212.12.27.236	PTR	rev-236-27-12-212.tula.net
212.12.27.239	PTR	rev-239-27-12-212.tula.net
212.12.27.242	PTR	rev-242-27-12-212.tula.net
212.12.27.243	PTR	rev-243-27-12-212.tula.net
212.12.27.244	PTR	rev-244-27-12-212.tula.net
212.12.27.245	PTR	rev-245-27-12-212.tula.net
212.12.27.250	PTR	rev-250-27-12-212.tula.net
212.12.27.251	PTR	rev-251-27-12-212.tula.net
212.12.27.252	PTR	rev-252-27-12-212.tula.net
212.12.27.254	PTR	rev-254-27-12-212.tula.net