Robtex

Up: 212.121.234.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.121.235.0/25
Down right: 212.121.235.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.121.235.11	A	ip23511.bcn.altecom.net
212.121.235.12	A+PTR	mail.pisciber.com
212.121.235.15	A	ip23515.bcn.altecom.net
212.121.235.16	A	ip23516.bcn.altecom.net
212.121.235.20	A	ip23520.bcn.altecom.net
212.121.235.28	A	ip23528.bcn.altecom.net
212.121.235.30	A	ip23530.bcn.altecom.net
212.121.235.31	A	ip23531.bcn.altecom.net
212.121.235.34	A	ip23534.bcn.altecom.net
212.121.235.36	A	ip23536.bcn.altecom.net
212.121.235.37	A	ip23537.bcn.altecom.net
212.121.235.39	A	ip23539.bcn.altecom.net
212.121.235.41	A+PTR	gw.tauro.bcn.altecom.net
212.121.235.41	A	mx.sistemacoolprint.es
212.121.235.41	A	sistemacoolprint.net
212.121.235.44	A	ip23544.bcn.altecom.net
212.121.235.55	A+PTR	ip23555.bcn.altecom.net
212.121.235.58	PTR	acofarma.com
212.121.235.58	A	acofarma.email
212.121.235.58	A	ip23558.bcn.altecom.net
212.121.235.75	A	ip23575.bcn.altecom.net
212.121.235.77	A	ip23577.bcn.altecom.net
212.121.235.80	A	ip23580.bcn.altecom.net
212.121.235.82	PTR	intersport-01.serveisdns.net
212.121.235.82	A	radio.intersport.es
212.121.235.82	A	ip23582.bcn.altecom.net
212.121.235.86	A	ip23586.bcn.altecom.net
212.121.235.90	PTR	galyco-01.serveisdns.net
212.121.235.90	A	correo.galan-forwarding.com
212.121.235.90	A	correo.parcelonedis.com
212.121.235.93	A	ip23593.bcn.altecom.net
212.121.235.95	A	ip23595.bcn.altecom.net
212.121.235.96	A	ip23596.bcn.altecom.net
212.121.235.100	A	ip235100.bcn.altecom.net
212.121.235.101	A	ip235101.bcn.altecom.net
212.121.235.109	PTR	mail.jane.es
212.121.235.111	A	ip235111.bcn.altecom.net
212.121.235.117	A	ip235117.bcn.altecom.net
212.121.235.119	A	ip235119.bcn.altecom.net
212.121.235.125	A+PTR	ip235125.bcn.altecom.net
212.121.235.141	A	ip235141.bcn.altecom.net
212.121.235.142	A	ip235142.bcn.altecom.net
212.121.235.153	A	ip235153.bcn.altecom.net
212.121.235.158	A	ip235158.bcn.altecom.net
212.121.235.163	PTR	ip235163.bcn.altecom.net
212.121.235.163	A	terrassa.fiac.es
212.121.235.163	A	mail.fiac.es
212.121.235.165	A	ip235165.bcn.altecom.net
212.121.235.180	A	ip235180.bcn.altecom.net
212.121.235.187	A	ip235187.bcn.altecom.net
212.121.235.189	A	ip235189.bcn.altecom.net
212.121.235.201	A	ip235201.bcn.altecom.net
212.121.235.210	PTR	ip235210.bcn.altecom.net
212.121.235.214	A	ip235214.bcn.altecom.net
212.121.235.218	A	ip235218.bcn.altecom.net
212.121.235.227	A	ip235227.bcn.altecom.net
212.121.235.228	A	ip235228.bcn.altecom.net
212.121.235.230	A	ip235230.bcn.altecom.net
212.121.235.242	A	ip235242.bcn.altecom.net
212.121.235.243	A	ip235243.bcn.altecom.net
212.121.235.246	A	ip235246.bcn.altecom.net
212.121.235.252	A	ip235252.bcn.altecom.net
212.121.235.253	A	ip235253.bcn.altecom.net