Robtex

Up: 27.251.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 27.251.104.0/22
Down right: 27.251.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.251.104.49	PTR	abs-static-49.104.251.27.aircel.co.in
27.251.104.82	PTR	aircel-gprs-82.104.251.27.aircel.co.in
27.251.104.168	PTR	abs-static-168.104.251.27.aircel.co.in
27.251.105.8	PTR	abs-static-8.105.251.27.aircel.co.in
27.251.105.20	A	ipsirudra.net
27.251.105.27	PTR	abs-static-27.105.251.27.aircel.co.in
27.251.105.43	PTR	abs-static-43.105.251.27.aircel.co.in
27.251.105.49	PTR	abs-static-49.105.251.27.aircel.co.in
27.251.105.77	A	mx2.ojasind.com
27.251.105.77	A	mx2.bajajecotec.com
27.251.105.91	PTR	abs-static-91.105.251.27.aircel.co.in
27.251.105.105	PTR	abs-static-105.105.251.27.aircel.co.in
27.251.105.120	PTR	abs-static-120.105.251.27.aircel.co.in
27.251.105.134	A	ipsirudra.net
27.251.105.147	PTR	abs-static-147.105.251.27.aircel.co.in
27.251.105.154	PTR	abs-static-154.105.251.27.aircel.co.in
27.251.105.186	PTR	www.gastechind.com
27.251.105.195	A	devac1.damcogroup.com
27.251.105.203	PTR	devac9.damcogroup.com
27.251.105.210	PTR	devac16.damcogroup.com
27.251.105.216	PTR	devac22.damcogroup.com
27.251.105.225	PTR	devac31.damcogroup.com
27.251.105.241	PTR	devac47.damcogroup.com
27.251.106.10	PTR	abs-static-10.106.251.27.aircel.co.in
27.251.106.77	PTR	abs-static-77.106.251.27.aircel.co.in
27.251.106.114	PTR	abs-static-114.106.251.27.aircel.co.in
27.251.106.249	PTR	abs-static-249.106.251.27.aircel.co.in
27.251.106.251	PTR	abs-static-251.106.251.27.aircel.co.in
27.251.106.253	PTR	abs-static-253.106.251.27.aircel.co.in
27.251.107.49	PTR	abs-static-49.107.251.27.aircel.co.in
27.251.107.73	PTR	abs-static-73.107.251.27.aircel.co.in
27.251.107.73	A	theretreatdarjeeling.com
27.251.107.76	A	msit.edu.in
27.251.107.77	A	tigmail.technoindiagroup.co.in
27.251.107.77	A	ns.technoindiagroup.in
27.251.107.80	PTR	abs-static-80.107.251.27.aircel.co.in
27.251.107.80	A	msit.edu.in
27.251.107.80	A	www.nsec.in
27.251.107.81	PTR	abs-static-81.107.251.27.aircel.co.in
27.251.107.81	A	techtron.net
27.251.107.89	A	satyamrc.com
27.251.108.40	A	mail.eternaluniversity.edu.in
27.251.108.59	PTR	abs-static-59.108.251.27.aircel.co.in
27.251.108.82	A	link1.akshatonline.in
27.251.108.115	PTR	shortcodeprovider.in
27.251.108.194	A	ns1.sovhealth.com
27.251.109.16	PTR	aircel-gprs-16.109.251.27.aircel.co.in
27.251.109.18	PTR	aircel-gprs-18.109.251.27.aircel.co.in
27.251.109.24	PTR	abs-static-24.109.251.27.aircel.co.in
27.251.109.32	PTR	aircel-gprs-32.109.251.27.aircel.co.in
27.251.109.33	PTR	abs-static-33.109.251.27.aircel.co.in
27.251.109.35	PTR	aircel-gprs-35.109.251.27.aircel.co.in
27.251.109.41	PTR	aircel-gprs-41.109.251.27.aircel.co.in
27.251.109.43	PTR	aircel-gprs-43.109.251.27.aircel.co.in
27.251.109.48	PTR	aircel-gprs-48.109.251.27.aircel.co.in
27.251.109.51	PTR	aircel-gprs-51.109.251.27.aircel.co.in
27.251.109.58	PTR	aircel-gprs-58.109.251.27.aircel.co.in
27.251.109.73	PTR	aircel-gprs-73.109.251.27.aircel.co.in
27.251.109.74	PTR	abs-static-74.109.251.27.aircel.co.in
27.251.109.80	PTR	aircel-gprs-80.109.251.27.aircel.co.in
27.251.109.114	PTR	aircel-gprs-114.109.251.27.aircel.co.in
27.251.109.121	PTR	aircel-gprs-121.109.251.27.aircel.co.in
27.251.109.129	PTR	aircel-gprs-129.109.251.27.aircel.co.in
27.251.109.136	PTR	aircel-gprs-136.109.251.27.aircel.co.in
27.251.109.137	PTR	abs-static-137.109.251.27.aircel.co.in
27.251.109.146	PTR	aircel-gprs-146.109.251.27.aircel.co.in
27.251.109.168	PTR	aircel-gprs-168.109.251.27.aircel.co.in
27.251.109.170	PTR	abs-static-170.109.251.27.aircel.co.in
27.251.109.178	PTR	aircel-gprs-178.109.251.27.aircel.co.in
27.251.109.179	PTR	abs-static-179.109.251.27.aircel.co.in
27.251.109.186	PTR	aircel-gprs-186.109.251.27.aircel.co.in
27.251.109.195	PTR	aircel-gprs-195.109.251.27.aircel.co.in
27.251.109.209	PTR	aircel-gprs-209.109.251.27.aircel.co.in
27.251.109.211	PTR	abs-static-211.109.251.27.aircel.co.in
27.251.109.232	PTR	abs-static-232.109.251.27.aircel.co.in
27.251.109.233	PTR	abs-static-233.109.251.27.aircel.co.in
27.251.110.75	PTR	www.coetnau.ac.in
27.251.110.75	A	usapparelagents.com
27.251.111.9	PTR	abs-static-9.111.251.27.aircel.co.in
27.251.111.50	A	transpolegroup.in
27.251.111.51	A	imap.globusgroupe.com
27.251.111.51	A	mail.globusgroupe.com
27.251.111.51	A	pop.catchtruck.com