Robtex

Up: 27.56.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 27.56.0.0/17
Down right: 27.56.128.0/17

IP	Type	Hostname
27.56.128.84	PTR	abts-north-dynamic-84.128.56.27.airtelbroadband.in
27.56.130.60	PTR	abts-north-dynamic-60.130.56.27.airtelbroadband.in
27.56.131.82	PTR	abts-north-dynamic-82.131.56.27.airtelbroadband.in
27.56.132.212	PTR	abts-north-dynamic-212.132.56.27.airtelbroadband.in
27.56.133.15	PTR	abts-north-dynamic-15.133.56.27.airtelbroadband.in
27.56.139.158	PTR	abts-north-dynamic-158.139.56.27.airtelbroadband.in
27.56.140.21	PTR	abts-north-dynamic-21.140.56.27.airtelbroadband.in
27.56.146.220	PTR	abts-north-dynamic-220.146.56.27.airtelbroadband.in
27.56.153.44	PTR	abts-north-dynamic-44.153.56.27.airtelbroadband.in
27.56.153.44	A	panna.dyndns.org
27.56.154.119	PTR	abts-north-dynamic-119.154.56.27.airtelbroadband.in
27.56.155.7	PTR	abts-north-dynamic-7.155.56.27.airtelbroadband.in
27.56.159.48	PTR	abts-north-dynamic-48.159.56.27.airtelbroadband.in
27.56.161.96	PTR	abts-north-dynamic-96.161.56.27.airtelbroadband.in
27.56.161.184	PTR	abts-north-dynamic-184.161.56.27.airtelbroadband.in
27.56.167.235	PTR	abts-north-dynamic-235.167.56.27.airtelbroadband.in
27.56.167.241	PTR	abts-north-dynamic-241.167.56.27.airtelbroadband.in
27.56.174.115	PTR	abts-north-dynamic-115.174.56.27.airtelbroadband.in
27.56.175.176	PTR	abts-north-dynamic-176.175.56.27.airtelbroadband.in
27.56.180.155	PTR	abts-north-dynamic-155.180.56.27.airtelbroadband.in
27.56.188.75	PTR	abts-north-dynamic-75.188.56.27.airtelbroadband.in
27.56.189.165	PTR	abts-north-dynamic-165.189.56.27.airtelbroadband.in