AS3527 - NIH-NET - National Institutes of Health, US

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

arin

RegDate

2022-10-09

Updated

2025-06-05

AS3527 Looking Glass
IPv4Prefixes

20

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
ROA Signed and Valid IRR Parent Valid
National Institutes of Health 256
128.231.0.0/16
ROA Signed and Valid IRR Valid
National Institutes of Health 65536
128.231.3.0/24
ROA Signed and Valid IRR Valid
National Institutes of Health 256
128.231.245.0/24
ROA Signed and Valid IRR Valid
National Institutes of Health 256
137.187.0.0/24
ROA Signed and Valid IRR Parent Valid
National Institutes of Health 256
137.187.0.0/16
ROA Signed and Valid IRR Valid
National Institutes of Health 65536
156.40.0.0/24
ROA Signed and Valid IRR Parent Valid
National Institutes of Health 256
156.40.0.0/16
IRR Valid
National Institutes of Health 65536
157.98.0.0/24
IRR Parent Valid
National Institute of Environmental Health Sciences 256
157.98.0.0/16
IRR Valid
National Institute of Environmental Health Sciences 65536
162.99.224.0/19
IRR Valid
HRSA 8192
165.112.0.0/24
IRR Parent Valid
National Institutes of Health 256
165.112.0.0/21
IRR Valid
National Institutes of Health 2048
165.112.0.0/20
IRR InValid
National Institutes of Health 4096
165.112.0.0/16
IRR InValid
National Institutes of Health 65536
165.112.136.0/21
ROA Signed and Valid IRR Valid
National Institutes of Health 2048
192.231.145.0/24
ROA Signed and Valid IRR Valid
National Institutes of Health 256
192.231.146.0/24
ROA Signed and Valid IRR Valid
National Institutes of Health 256
192.231.146.0/23
IRR InValid
National Institutes of Health 512
192.231.147.0/24
ROA Signed and Valid IRR Valid
National Institutes of Health 256
CIDR Description IP NUMs(prefix /64)
2607:f220:400::/43
ROA Signed and Valid IRR Valid
National Institutes of Health 2097152
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS10886 MAX-GIGAPOP - University of Maryland, US United States 10,496 16,842,752 IPv4 IPv4 IPv6 IPv6
AS19050 TIC-DHHS-INTERIOR - U.S. Department of Health & Human Services, US United States 67,584 2,162,688 IPv4 IPv4 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 
ASNumber:       3527
ASName:         NIH-NET
ASHandle:       AS3527
RegDate:        1994-04-07
Updated:        2022-10-28    
Ref:            https://rdap.arin.net/registry/autnum/3527


OrgName:        National Institutes of Health
OrgId:          NIH-Z
Address:        9000 Rockville Pike
Address:        MSC 4805
City:           Bethesda
StateProv:      MD
PostalCode:     20892-4805
Country:        US
RegDate:        2022-10-09
Updated:        2025-06-05
Ref:            https://rdap.arin.net/registry/entity/NIH-Z


OrgDNSHandle: NIHAD-ARIN
OrgDNSName:   NIHadm
OrgDNSPhone:  +1-301-402-3141 
OrgDNSEmail:  citnsarin@mail.nih.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/NIHAD-ARIN

OrgNOCHandle: NIHAD-ARIN
OrgNOCName:   NIHadm
OrgNOCPhone:  +1-301-402-3141 
OrgNOCEmail:  citnsarin@mail.nih.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/NIHAD-ARIN

OrgRoutingHandle: NIHTE-ARIN
OrgRoutingName:   NIHtechs
OrgRoutingPhone:  +1-301-402-3141 
OrgRoutingEmail:  citnsarin@mail.nih.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN

OrgTechHandle: NIHTE-ARIN
OrgTechName:   NIHtechs
OrgTechPhone:  +1-301-402-3141 
OrgTechEmail:  citnsarin@mail.nih.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN

OrgAbuseHandle: NIHTE-ARIN
OrgAbuseName:   NIHtechs
OrgAbusePhone:  +1-301-402-3141 
OrgAbuseEmail:  citnsarin@mail.nih.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN