Robtex

Up: 210.210.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.210.40.0/23
Down right: 210.210.42.0/23

IP	Type	Hostname
210.210.40.61	PTR	210-210-40-61.lan.sify.net
210.210.40.82	A+PTR	210-210-40-82.lan.sify.net
210.210.40.230	PTR	210-210-40-230.lan.sify.net
210.210.40.243	PTR	210-210-40-243.lan.sify.net
210.210.40.251	A	210-210-40-251.lan.sify.net
210.210.40.255	A	210-210-40-255.lan.sify.net
210.210.41.62	A	210-210-41-62.lan.sify.net
210.210.41.194	A	maila.kaveritelecoms.com
210.210.41.195	PTR	mail.kaveritelecoms.com
210.210.41.195	A	maila.kavveritelecominfra.com
210.210.41.205	A+PTR	mx.mkhoj.com
210.210.42.5	A+PTR	210-210-42-5.lan.sify.net
210.210.42.19	A+PTR	210-210-42-19.lan.sify.net
210.210.42.24	A+PTR	210-210-42-24.lan.sify.net
210.210.42.30	A+PTR	210-210-42-30.lan.sify.net
210.210.42.31	A+PTR	210-210-42-31.lan.sify.net
210.210.42.47	A+PTR	210-210-42-47.lan.sify.net
210.210.42.50	A+PTR	210-210-42-50.lan.sify.net
210.210.42.53	A+PTR	210-210-42-53.lan.sify.net
210.210.42.57	A+PTR	210-210-42-57.lan.sify.net
210.210.42.60	A+PTR	210-210-42-60.lan.sify.net
210.210.42.62	A+PTR	210-210-42-62.lan.sify.net
210.210.42.73	A+PTR	210-210-42-73.lan.sify.net
210.210.42.90	A+PTR	210-210-42-90.lan.sify.net
210.210.42.92	A+PTR	210-210-42-92.lan.sify.net
210.210.42.93	A+PTR	210-210-42-93.lan.sify.net
210.210.42.95	A+PTR	210-210-42-95.lan.sify.net
210.210.42.96	A+PTR	210-210-42-96.lan.sify.net
210.210.42.101	A+PTR	210-210-42-101.lan.sify.net
210.210.42.102	A+PTR	210-210-42-102.lan.sify.net
210.210.42.105	A+PTR	210-210-42-105.lan.sify.net
210.210.42.110	A+PTR	210-210-42-110.lan.sify.net
210.210.42.116	A+PTR	210-210-42-116.lan.sify.net
210.210.42.121	A+PTR	210-210-42-121.lan.sify.net
210.210.42.131	A+PTR	210-210-42-131.lan.sify.net
210.210.42.133	A+PTR	210-210-42-133.lan.sify.net
210.210.42.134	A+PTR	210-210-42-134.lan.sify.net
210.210.42.147	A+PTR	210-210-42-147.lan.sify.net
210.210.42.151	A+PTR	210-210-42-151.lan.sify.net
210.210.42.152	A+PTR	210-210-42-152.lan.sify.net
210.210.42.158	A+PTR	210-210-42-158.lan.sify.net
210.210.42.159	A+PTR	210-210-42-159.lan.sify.net
210.210.42.166	A+PTR	210-210-42-166.lan.sify.net
210.210.42.169	A+PTR	210-210-42-169.lan.sify.net
210.210.42.171	A+PTR	210-210-42-171.lan.sify.net
210.210.42.179	A+PTR	210-210-42-179.lan.sify.net
210.210.42.184	A+PTR	210-210-42-184.lan.sify.net
210.210.42.187	A+PTR	210-210-42-187.lan.sify.net
210.210.42.191	A+PTR	210-210-42-191.lan.sify.net
210.210.42.197	A+PTR	210-210-42-197.lan.sify.net
210.210.42.202	A+PTR	210-210-42-202.lan.sify.net
210.210.42.211	A+PTR	210-210-42-211.lan.sify.net
210.210.42.212	PTR	210-210-42-212.lan.sify.net
210.210.42.241	A+PTR	210-210-42-241.lan.sify.net
210.210.42.242	A+PTR	210-210-42-242.lan.sify.net
210.210.42.244	A+PTR	210-210-42-244.lan.sify.net
210.210.42.252	A+PTR	210-210-42-252.lan.sify.net
210.210.43.86	PTR	210-210-43-86.lan.sify.net