Robtex

Up: 121.100.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 121.100.48.0/22
Down right: 121.100.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.100.48.115	PTR	121-100-48-115.rdns.afghan-wireless.com
121.100.48.140	PTR	121-100-48-140.rdns.afghan-wireless.com
121.100.49.4	PTR	121-100-49-4.rdns.afghan-wireless.com
121.100.49.22	PTR	121-100-49-22.rdns.afghan-wireless.com
121.100.49.92	PTR	121-100-49-92.rdns.afghan-wireless.com
121.100.49.96	PTR	121-100-49-96.rdns.afghan-wireless.com
121.100.49.119	PTR	121-100-49-119.rdns.afghan-wireless.com
121.100.50.7	PTR	121-100-50-7.rdns.afghan-wireless.com
121.100.50.15	PTR	121-100-50-15.rdns.afghan-wireless.com
121.100.50.15	A	outlook.afghan-wireless.com
121.100.50.22	PTR	121-100-50-22.rdns.afghan-wireless.com
121.100.50.22	A	awccgaming.com
121.100.50.26	A	share.afghan-wireless.com
121.100.50.31	A+PTR	helpdesk.afghan-wireless.com
121.100.50.44	PTR	121-100-50-44.rdns.afghan-wireless.com
121.100.50.44	A	reports.afghan-wireless.com
121.100.50.70	A	awc-kbl-itvpn.afghan-wireless.com
121.100.50.77	A+PTR	bulksms.afghan-wireless.com
121.100.50.111	A+PTR	mail.afghan-wireless.com
121.100.50.121	A	spam-backup.afghan-wireless.com
121.100.50.142	PTR	121-100-50-142.rdns.afghan-wireless.com
121.100.50.142	A	tohfa.afghan-wireless.com
121.100.50.168	PTR	121-100-50-168.rdns.afghan-wireless.com
121.100.50.190	PTR	antispam1.afghan-wireless.com
121.100.50.190	A	antspam1.afghan-wireless.com
121.100.50.222	PTR	121-100-50-222.rdns.afghan-wireless.com
121.100.51.10	PTR	121-100-51-10.rdns.afghan-wireless.com
121.100.51.51	PTR	121-100-51-51.rdns.afghan-wireless.com
121.100.51.130	PTR	121-100-51-130.rdns.afghan-wireless.com
121.100.51.195	PTR	121-100-51-195.rdns.afghan-wireless.com
121.100.51.195	A	sayad.dai.com
121.100.51.243	PTR	121-100-51-243.rdns.afghan-wireless.com
121.100.51.243	A	online.azizibank.af
121.100.51.246	PTR	121-100-51-246.rdns.afghan-wireless.com
121.100.51.246	A	mail.azizibank.org
121.100.51.246	A	autodiscover.azizibank.org
121.100.51.248	PTR	121-100-51-248.rdns.afghan-wireless.com
121.100.51.248	A	mwallet.azizibank.af
121.100.51.251	PTR	email.azizibank.af
121.100.51.251	A	autodiscover.azizibank.af
121.100.52.194	PTR	121-100-52-194.rdns.afghan-wireless.com
121.100.53.253	PTR	121-100-53-253.rdns.afghan-wireless.com
121.100.54.67	PTR	121-100-54-67.rdns.afghan-wireless.com
121.100.54.67	A	mms.afghan-wireless.com
121.100.54.68	A	mms.afghan-wireless.com
121.100.54.69	A+PTR	rdns2.afghan-wireless.com
121.100.54.70	A	rdns1.afghan-wireless.com
121.100.55.13	A+PTR	superwifi.afghan-wireless.com
121.100.55.13	A	awccsuperwifi.com