Robtex

Up: 101.50.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 101.50.64.0/19
Down right: 101.50.96.0/19

IP	Type	Hostname
101.50.66.129	PTR	ntl-50-66-129.nayatel.com
101.50.67.195	PTR	ntl-50-67-195.nayatel.com
101.50.69.65	PTR	ntl-50-69-65.nayatel.com
101.50.69.193	PTR	ntl-50-69-193.nayatel.com
101.50.71.181	PTR	ntl-50-71-181.nayatel.com
101.50.72.219	PTR	ntl-50-72-219.nayatel.com
101.50.74.2	PTR	ntl-50-74-2.nayatel.com
101.50.76.192	PTR	ntl-50-76-192.nayatel.com
101.50.77.194	PTR	ntl-50-77-194.nayatel.com
101.50.78.3	PTR	ntl-50-78-3.nayatel.com
101.50.78.128	PTR	ntl-50-78-128.nayatel.com
101.50.79.108	PTR	ntl-50-79-108.nayatel.com
101.50.81.1	PTR	ntl-50-81-1.nayatel.com
101.50.81.3	PTR	ntl-50-81-3.nayatel.com
101.50.81.5	PTR	ntl-50-81-5.nayatel.com
101.50.81.6	PTR	ntl-50-81-6.nayatel.com
101.50.81.129	PTR	ntl-50-81-129.nayatel.com
101.50.81.132	PTR	ntl-50-81-132.nayatel.com
101.50.81.137	PTR	ntl-50-81-137.nayatel.com
101.50.81.200	PTR	ntl-50-81-200.nayatel.com
101.50.82.63	PTR	ntl-50-82-63.nayatel.com
101.50.82.140	PTR	ntl-50-82-140.nayatel.com
101.50.82.140	A	malihaque.com
101.50.84.64	PTR	ntl-50-84-64.nayatel.com
101.50.85.172	PTR	ntl-50-85-172.nayatel.com
101.50.86.78	PTR	ntl-50-86-78.nayatel.com
101.50.86.154	PTR	ntl-50-86-154.nayatel.com
101.50.87.137	PTR	ntl-50-87-137.nayatel.com
101.50.88.192	PTR	ntl-50-88-192.nayatel.com
101.50.88.194	PTR	ntl-50-88-194.nayatel.com
101.50.90.128	PTR	ntl-50-90-128.nayatel.com
101.50.91.162	PTR	ntl-50-91-162.nayatel.com
101.50.93.229	PTR	ntl-50-93-229.nayatel.com
101.50.95.76	PTR	ntl-50-95-76.nayatel.com
101.50.97.24	PTR	ntl-50-97-24.nayatel.com
101.50.97.58	PTR	ntl-50-97-58.nayatel.com
101.50.99.2	PTR	ntl-50-99-2.nayatel.com
101.50.99.195	PTR	ntl-50-99-195.nayatel.com
101.50.100.249	PTR	ntl-50-100-249.nayatel.com
101.50.102.121	PTR	ntl-50-102-121.nayatel.com
101.50.102.226	PTR	ntl-50-102-226.nayatel.com
101.50.102.226	A	bsftdvr.ddns.net
101.50.103.1	PTR	ntl-50-103-1.nayatel.com
101.50.103.2	PTR	ntl-50-103-2.nayatel.com
101.50.103.129	PTR	ntl-50-103-129.nayatel.com
101.50.103.192	PTR	ntl-50-103-192.nayatel.com
101.50.106.70	PTR	ntl-50-106-70.nayatel.com
101.50.106.198	PTR	ntl-50-106-198.nayatel.com
101.50.110.11	PTR	ntl-50-110-11.nayatel.com
101.50.112.194	PTR	ntl-50-112-194.nayatel.com
101.50.113.246	PTR	ntl-50-113-246.nayatel.com
101.50.115.58	PTR	ntl-50-115-58.nayatel.com
101.50.115.194	PTR	ntl-50-115-194.nayatel.com
101.50.115.215	PTR	ntl-50-115-215.nayatel.com
101.50.115.236	PTR	ntl-50-115-236.nayatel.com
101.50.116.216	PTR	ntl-50-116-216.nayatel.com
101.50.117.20	PTR	ntl-50-117-20.nayatel.com
101.50.117.40	PTR	ntl-50-117-40.nayatel.com
101.50.117.51	PTR	ntl-50-117-51.nayatel.com
101.50.117.240	PTR	ntl-50-117-240.nayatel.com
101.50.118.101	PTR	ntl-50-118-101.nayatel.com
101.50.119.144	PTR	ntl-50-119-144.nayatel.com
101.50.121.42	PTR	ntl-50-121-42.nayatel.com
101.50.121.81	PTR	ntl-50-121-81.nayatel.com
101.50.121.104	PTR	ntl-50-121-104.nayatel.com
101.50.121.224	PTR	ntl-50-121-224.nayatel.com
101.50.121.230	PTR	ntl-50-121-230.nayatel.com
101.50.121.238	PTR	ntl-50-121-238.nayatel.com
101.50.122.1	PTR	ntl-50-122-1.nayatel.com
101.50.122.8	PTR	ntl-50-122-8.nayatel.com
101.50.122.64	PTR	ntl-50-122-64.nayatel.com
101.50.122.139	PTR	ntl-50-122-139.nayatel.com
101.50.122.195	PTR	ntl-50-122-195.nayatel.com
101.50.123.104	PTR	ntl-50-123-104.nayatel.com
101.50.123.156	PTR	ntl-50-123-156.nayatel.com
101.50.123.159	PTR	ntl-50-123-159.nayatel.com
101.50.124.5	PTR	ntl-50-124-5.nayatel.com
101.50.124.203	PTR	ntl-50-124-203.nayatel.com
101.50.125.70	PTR	ntl-50-125-70.nayatel.com
101.50.125.91	PTR	ntl-50-125-91.nayatel.com
101.50.126.82	PTR	ntl-50-126-82.nayatel.com