AS3527

National Institutes of Health

AS 3527 NIH-NET

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

345,856 IP addresses
ASN3527
NameNIH-NET
OrganizationNational Institutes of Health
CountryUnited States  
RegistryARIN
IPv4 addresses345,856
IPv6 /64 networks221
Prefixes16
Other ASN allocated to National Institutes of Health
ASN Name IP addresses
30387 NIH-NET-NCCS 13,312
IPv4 Prefixes for AS3527 - showing the first 12 of 15 networks
Network Location Addresses
128.231.0.0/16 National Institutes of Health   Bethesda 65,536
128.231.245.0/24 National Institutes of Health   Cahokia 256
128.231.3.0/24 National Institutes of Health   Cahokia 256
137.187.0.0/16 National Institutes of Health   Bethesda 65,536
156.40.0.0/16 National Institutes of Health   Bethesda 65,536
157.98.0.0/16 National Institutes of Health   Durham (Research Triangle Park) 65,536
162.99.224.0/19 U.S. Dept. of Health and Human Services   Rockville 8,192
165.112.0.0/16 National Institutes of Health   Bethesda 65,536
192.231.145.0/24 National Institutes of Health   Bethesda 256
192.231.146.0/23 National Institutes of Health   Derwood 512
192.231.146.0/24 National Institutes of Health   Derwood 256
192.231.147.0/24 National Institutes of Health   Ashburn 256
IPv6 Prefixes for AS3527
Network Location /64 Prefixes
2607:f220:400::/43 National Institutes of Health   Ashburn 221