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Prefix

165.112.136.0/21

National Institutes of Health

Registry

Prefix
165.112.136.0/21
IP version
IPv4
Prefix length
/21
Origin AS
AS30387 National Institutes of Health
RIR
ARIN
Country
—
Description
NIHNET-4-B
Source:prefix:rdap retrieved

RPKI

Route origin validation

RPKI valid checked Source:ripestat:rpki-validation

A ROA covers this prefix and authorises the observed origin AS.

Matched ROAs

Route origin authorisations covering 165.112.136.0/21
Prefix Origin Max length Validity
165.112.136.0/21 AS30387 /27 valid
165.112.0.0/16 AS3527 /25 invalid_asn
Note:
RPKI status describes route origin authorisation only. It is not a statement about ownership, or about the legitimacy of the operator.

Approximate location

Representative network location

Address
165.112.136.0
Country
Flag of United States US United States
Region
Maryland
City
Olney
Timezone
America/New_York
Coordinates
39.1585, -77.0837 ± 20 km
Source:geoip:maxmind-local retrieved
Note:
This is an approximate representative location for the network block, not the exact location of any person, device, or every address in the prefix.