Robtex

Up: 31.41.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.41.24.0/22
Down right: 31.41.28.0/22

IP	Type	Hostname
31.41.24.78	A+PTR	24-78.tepsanet.com
31.41.24.157	A	24-157.tepsanet.com
31.41.24.158	A	24-158.tepsanet.com
31.41.24.168	A	24-168.tepsanet.com
31.41.24.171	A+PTR	24-171.tepsanet.com
31.41.24.211	A+PTR	24-211.tepsanet.com
31.41.25.1	A+PTR	25-1.tepsanet.com
31.41.25.2	A+PTR	25-2.tepsanet.com
31.41.25.5	A	25-5.tepsanet.com
31.41.25.11	A+PTR	25-11.tepsanet.com
31.41.25.19	A	25-19.tepsanet.com
31.41.25.50	A+PTR	25-50.tepsanet.com
31.41.25.250	A+PTR	25-250.tepsanet.com
31.41.26.2	A+PTR	26-2.tepsanet.com
31.41.26.24	A+PTR	26-24.tepsanet.com
31.41.26.51	A	26-51.tepsanet.com
31.41.26.62	A	26-62.tepsanet.com
31.41.26.106	A+PTR	26-106.tepsanet.com
31.41.26.116	A	26-116.tepsanet.com
31.41.26.174	A	26-174.tepsanet.com
31.41.26.211	A	26-211.tepsanet.com
31.41.26.225	A	26-225.tepsanet.com
31.41.26.236	A	26-236.tepsanet.com
31.41.27.2	A+PTR	27-2.tepsanet.com
31.41.27.74	A	27-74.tepsanet.com
31.41.27.101	A	27-101.tepsanet.com
31.41.28.183	A+PTR	28-183.tepsanet.com
31.41.29.2	A+PTR	29-2.tepsanet.com
31.41.30.150	A	30-150.tepsanet.com
31.41.31.1	PTR	out.tepsanet.com
31.41.31.2	PTR	router01.tepsanet.com
31.41.31.2	A	31-2.tepsanet.com
31.41.31.10	A+PTR	ns1.tepsalan.pl
31.41.31.10	A	www.tepsanet.com
31.41.31.10	A	tepsalan.pl
31.41.31.22	A	dns.tepsalan.pl
31.41.31.26	A	speedtest.tepsanet.pl
31.41.31.35	A+PTR	sarco.tepsalan.pl
31.41.31.36	A	31-36.tepsanet.com
31.41.31.38	A	31-38.tepsanet.com
31.41.31.40	A+PTR	dobroplast.tepsalan.pl
31.41.31.110	A	31-110.tepsanet.com
31.41.31.110	A	piuser.pl