Robtex

Up: 87.216.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 87.216.8.0/23
Down right: 87.216.10.0/23

IP	Type	Hostname
87.216.8.2	A	2.8.216.87.static.jazztel.es
87.216.8.227	A+PTR	227.8.216.87.static.jazztel.es
87.216.9.102	A+PTR	102.9.216.87.static.jazztel.es
87.216.9.127	A+PTR	127.9.216.87.static.jazztel.es
87.216.11.12	A+PTR	12.11.216.87.static.jazztel.es
87.216.11.13	A+PTR	13.11.216.87.static.jazztel.es
87.216.11.74	A+PTR	74.11.216.87.static.jazztel.es
87.216.11.133	A+PTR	133.11.216.87.static.jazztel.es
87.216.11.160	A+PTR	160.11.216.87.static.jazztel.es
87.216.11.172	A+PTR	172.11.216.87.static.jazztel.es
87.216.11.193	A+PTR	193.11.216.87.static.jazztel.es
87.216.11.215	A+PTR	215.11.216.87.static.jazztel.es