Robtex

Up: 91.228.248.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 91.228.248.0/25
Down right: 91.228.248.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.228.248.4	PTR	mail.sheba.health.gov.il
91.228.248.4	A	mail.msr.org.il
91.228.248.5	PTR	mail2.sheba.health.gov.il
91.228.248.5	A	mail4.sheba.co.il
91.228.248.11	PTR	mail.sheba.health.gov.il
91.228.248.11	A	mail.msr.org.il
91.228.248.11	A	mail3.sheba.co.il
91.228.248.12	A+PTR	mail2.sheba.health.gov.il
91.228.248.12	A	mail4.sheba.co.il
91.228.248.12	A	mail.sheba.gov.il
91.228.248.21	A	services.sheba.co.il
91.228.248.60	PTR	bzq-91-228-248-60.bgp.bezeqint.net
91.228.248.251	A+PTR	bzq-91-228-248-251.bgp.bezeqint.net