AS3527 · National Institutes of Health

14
IPv4 prefixes
338,176
IPv4 addresses
1
IPv6 prefixes
🇺🇸 US
Country

Summary

AS number
AS3527
Name
National Institutes of Health
Country
🇺🇸 United States
Type
ARIN
Category
business
Announced
15 prefixes
Updated
2025-06-05

Announced IPv4 prefixes (14)

Prefix
128.231.0.0/16
128.231.3.0/24
128.231.245.0/24
137.187.0.0/16
156.40.0.0/16
157.98.0.0/16
162.99.224.0/19
165.112.0.0/16
165.112.137.0/24
165.112.138.0/24
192.231.145.0/24
192.231.146.0/23
192.231.146.0/24
192.231.147.0/24

Announced IPv6 prefixes (1)

Prefix
2607:f220:400::/43