Robtex

Up: 129.43.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 129.43.28.0/23
Down right: 129.43.30.0/23

IP	Type	Hostname
129.43.28.21	A	sei1.ncifcrf.gov
129.43.28.22	A+PTR	sei2.ncifcrf.gov
129.43.28.36	A	cncr4a.ncifcrf.gov
129.43.28.36	A	aids1g.ncifcrf.gov
129.43.28.37	A	aids1h.ncifcrf.gov
129.43.28.38	A+PTR	aids1i.ncifcrf.gov
129.43.28.40	A	aids1k.ncifcrf.gov
129.43.28.41	A	aids1l.ncifcrf.gov
129.43.28.42	A	aids1m.ncifcrf.gov
129.43.28.46	A+PTR	d-rice.ncifcrf.gov
129.43.28.47	A	d-clanton.ncifcrf.gov
129.43.28.52	A+PTR	d-sara.ncifcrf.gov
129.43.28.53	A	d-shirbach.ncifcrf.gov
129.43.28.54	A	d-debbie.ncifcrf.gov
129.43.28.65	A+PTR	d-turpin.ncifcrf.gov
129.43.28.70	A	dtpdp01.ncifcrf.gov
129.43.28.110	A	nprspc1.ncifcrf.gov
129.43.28.111	A	nprspc2.ncifcrf.gov
129.43.28.112	A	nprspc3.ncifcrf.gov
129.43.28.113	A	nprspc4.ncifcrf.gov
129.43.28.114	A	nprspc5.ncifcrf.gov
129.43.28.119	A	nprspc10.ncifcrf.gov
129.43.28.122	A	bambi.ncifcrf.gov
129.43.28.125	A	charon431.ncifcrf.gov
129.43.28.127	A	s042191.ncifcrf.gov
129.43.28.207	A+PTR	d-currens.ncifcrf.gov
129.43.30.89	A+PTR	libnt1.ncifcrf.gov
129.43.30.215	PTR	adsv16.nih.gov
129.43.30.221	A	inhouse.ncifcrf.gov
129.43.31.97	A+PTR	cs-as-01.ncifcrf.gov
129.43.31.110	A	wsus.ncifcrf.gov
129.43.31.122	A	cheetah.ncifcrf.gov
129.43.31.135	A	fr-s-cs-web-03.ncifcrf.gov
129.43.31.135	A	msig.ncifcrf.gov
129.43.31.171	A	maximo.ncifcrf.gov
129.43.31.196	A	forms.ncifcrf.gov
129.43.31.200	A	css-dns.ncifcrf.gov
129.43.31.202	A	csshp2.ncifcrf.gov
129.43.31.203	A	csshp3.ncifcrf.gov
129.43.31.204	A	csshp4.ncifcrf.gov
129.43.31.207	A+PTR	csshp1.ncifcrf.gov