AS Number
AS3527
AS Name
NIH-NET
Org Name
National Institutes of Health
Registry

arin

RegDate

Updated

2021-05-06

AS3527 Looking Glass
IPv4Prefixes

31

IPv6Prefixes

1

IPv4 NUMs

336,640

IPv6 NUMs(/64)

2,097,152

336,640 IPv4 Addresses
CIDR Description IP Num
128.231.0.0/24 National Institutes of Health 256
128.231.0.0/16 National Institutes of Health 65536
128.231.3.0/24 National Institutes of Health 256
128.231.192.0/24 National Institutes of Health 256
128.231.202.0/24 National Institutes of Health 256
128.231.245.0/24 National Institutes of Health 256
137.187.0.0/24 National Institutes of Health 256
137.187.0.0/16 National Institutes of Health 65536
137.187.186.0/23 National Institutes of Health 512
137.187.192.0/23 National Institutes of Health 512
156.40.0.0/24 National Institutes of Health 256
156.40.0.0/16 National Institutes of Health 65536
156.40.116.0/22 National Institutes of Health 1024
156.40.120.0/22 National Institutes of Health 1024
156.40.254.0/24 National Institutes of Health 256
156.40.254.0/23 National Institutes of Health 512
156.40.255.0/24 National Institutes of Health 256
157.98.0.0/24 National Institute of Environmental Health Sciences 256
157.98.0.0/16 National Institute of Environmental Health Sciences 65536
162.99.224.0/19 U.S. Dept. of Health and Human Services 8192
165.112.0.0/24 National Institutes of Health 256
165.112.0.0/21 National Institutes of Health 2048
165.112.0.0/20 National Institutes of Health 4096
165.112.0.0/16 National Institutes of Health 65536
165.112.136.0/21 National Institutes of Health 2048
165.112.137.0/24 National Institutes of Health 256
165.112.138.0/24 National Institutes of Health 256
192.231.145.0/24 National Institutes of Health 256
192.231.146.0/24 National Institutes of Health 256
192.231.146.0/23 National Institutes of Health 512
192.231.147.0/24 National Institutes of Health 256
CIDR Description IP NUMs(prefix /64)
2607:f220:400::/43 National Institutes of Health 2097152
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS10886 MAX-GIGAPOP - University of Maryland, US United States 4,864 16,842,752 IPv4 IPv4
AS19050 TIC-DHHS-INTERIOR - U.S. Department of Health & Human Services, US United States 67,584 2,097,152 IPv4 IPv4 IPv6 IPv6
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 11,520 4,294,967,296 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6150 NCIFCRF - National Cancer Institute, US United States 65,536 0 IPv4 IPv4
IP Address Domain NUMs Domains
128.231.2.3 1 helix.nih.gov
128.231.2.9 1 biowulf.nih.gov
128.231.2.150 1 hpc.nih.gov
128.231.2.158 1 helixweb.nih.gov
128.231.9.217 1 osp.nci.nih.gov
128.231.17.12 2 iacc.hhs.gov
128.231.17.16 8 ftp.nimh.nih.gov
128.231.17.20 1 nimhwebpx.nimh.nih.gov
128.231.17.29 1 images.nimh.nih.gov
128.231.17.39 2 cmn.nimh.nih.gov
ASNumber:       3527
ASName:         NIH-NET
ASHandle:       AS3527
RegDate:        1994-04-07
Updated:        2003-01-02    
Ref:            https://rdap.arin.net/registry/autnum/3527


OrgName:        National Institutes of Health
OrgId:          NIH
Address:        9000 Rockville Pike
Address:        MSC 4805
City:           Bethesda
StateProv:      MD
PostalCode:     20892-4805
Country:        US
RegDate:        
Updated:        2021-05-06
Ref:            https://rdap.arin.net/registry/entity/NIH


OrgTechHandle: NIHTE-ARIN
OrgTechName:   NIHtechs
OrgTechPhone:  +1-301-402-3141 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN

OrgAbuseHandle: NIHIR-ARIN
OrgAbuseName:   NIH IRT
OrgAbusePhone:  +1-301-881-9726 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIHIR-ARIN

OrgNOCHandle: NOC228-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-301-402-3141 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC228-ARIN

OrgDNSHandle: NDAND-ARIN
OrgDNSName:   NIH DNS Administrators, NIH DNS 
OrgDNSPhone:  +1-301-435-1970 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/NDAND-ARIN