Registry ARIN
Allocated On 1994-04-07
Domain Not available
Country us.png United States
Country Code US
Total Routes 40
Total IPs 733952

IP Address Ranges

RangeTotal IPs
128.231.0.0/16 65536
129.43.0.0/16 65536
137.187.0.0/16 65536
156.40.0.0/16 65536
157.98.0.0/16 65536
165.112.16.0/20 4096
165.112.32.0/19 8192
165.112.64.0/18 16384
165.112.128.0/17 32768
192.231.145.0/24 256
192.231.146.0/24 256
198.31.12.0/24 256
198.77.77.0/24 256
198.77.165.0/24 256
206.241.19.0/24 256
205.128.154.0/23 512
162.99.224.0/19 8192
165.112.0.0/16 65536
198.77.76.0/24 256
192.231.147.0/24 256
128.231.0.0/16 65536
137.187.0.0/16 65536
192.231.145.0/24 256
192.231.146.0/24 256
192.231.147.0/24 256
156.40.0.0/16 65536
128.231.192.0/24 256
128.231.202.0/24 256
128.231.245.0/24 256
128.231.3.0/24 256
137.187.186.0/23 512
137.187.192.0/23 512
156.40.116.0/22 1024
156.40.120.0/22 1024
156.40.254.0/23 512
156.40.254.0/24 256
156.40.255.0/24 256
165.112.137.0/24 256
165.112.138.0/24 256
165.112.0.0/16 65536

Whois Details

ASNumber:       3527
ASName:         NIH-NET
ASHandle:       AS3527
RegDate:        1994-04-07
Updated:        2003-01-02    
OrgName:        National Institutes of Health
OrgId:          NIH
Address:        6555 Rock Spring Drive
City:           Bethesda
StateProv:      MD
PostalCode:     20817
Country:        US
RegDate:        
Updated:        2020-08-11
OrgDNSHandle: NDAND-ARIN
OrgDNSName:   NIH DNS Administrators, NIH DNS 
OrgDNSPhone:  +1-301-435-1970 
OrgDNSEmail:  [email protected]
OrgAbuseHandle: NIHIR-ARIN
OrgAbuseName:   NIH IRT
OrgAbusePhone:  +1-301-881-9726 
OrgAbuseEmail:  [email protected]
OrgNOCHandle: NOC228-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-301-402-3141 
OrgNOCEmail:  [email protected]
OrgTechHandle: NIHTE-ARIN
OrgTechName:   NIHtechs
OrgTechPhone:  +1-301-402-3141 
OrgTechEmail:  [email protected]