Data as of Nov 6, 2026
165.112.200.0/22
No anonymizer space · no proxy exits in 30 daysNational Institutes of Health
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Recent change
New origin Jun 2026
from AS30387 National Institutes of Health, after 1.1 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 165.112.0.0/16 since Feb 2020 | AS3527 | Business | National Institutes of Health |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 165.112.200.0/23 since Jun 2026 | AS30387 | Business | National Institutes of Health |
Network & registry
Origin network
AS30387
US
- Name
- National Institutes of Health
- Type
- Business
- Registered
- Sep 26, 2003
- Domain
- nih.gov
- Industry
- Government and Regulatory Agencies, Administrations, Departments, and Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2015
- Current origin since
- Jun 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 165.112.200.0/22 | AS30387 | /27 | ARIN | RPKI valid |
| 165.112.0.0/16 | AS3527 | /25 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS30387 | ARIN | National Institutes of Health | MNT-NIH-Z | Jun 23, 2026 |
Whois
Registration for this announcement
- Range
- 165.
112. 0. 0/ 16 - Netname
- NIHNET-4-B
- Registrant
- National Institutes of Health
- Organization
- National Institutes of Health (NIH-Z)
- Org address
- 9000 Rockville Pike, Bethesda, MD, 20892-4805
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-165-112-0-0-1
- Parent
- NET-165-0-0-0-0
- Created
- May 19, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- May 19, 1993
- Status
- assigned
Report abuse
Abuse contact
- citnsarin@
mail. nih. gov - Name
- NIHtechs
- Phone
- +1-301-402-3141
- Handle
- NIHTE-ARIN