AS Number Details

AS21821

Summary

Country
United States
ASN
AS21821
Organization
ISP
-
Number of Ranges
3
Number of IPs
1,024

IP Address Ranges

Our Hosted Ranges API, delivers a complete list of ranges for any specified ASN.

Range Company Country IP Count
144.121.102.0/24 Montefiore Medical Center US 256
144.121.104.0/24 Montefiore Medical Center US 256
216.255.100.0/23 Montefiore Medical Center US 512