Data as of Nov 14, 2026
165.112.8.0/22
No anonymizer space · no proxy exits in 30 daysNational Library of Medicine · space held by National Institutes of Health
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 165.112.0.0/20 since Sep 18, 2026 | AS3527 | Business | National Institutes of Health | |
| 165.112.0.0/16 since Feb 2020 | AS3527 | Business | National Institutes of Health |
Network & registry
Origin network
AS393689
US
- Name
- National Library of Medicine
- Type
- Education
- Registered
- Nov 6, 2014
- Domain
- nih.gov
- Industry
- Health Care Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2015
- Current origin since
- May 2020 · 6.5 yr
- Origin networks
- 2
- Last change of origin
- May 2020
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 165.112.8.0/22 | AS393689 | /24 | ARIN | RPKI valid |
| 165.112.0.0/20 | AS30387 | /25 | ARIN | Another network |
| 165.112.0.0/16 | AS3527 | /25 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS393689 | ARIN | National Institutes of Health | MNT-NIH-Z | Jun 5, 2025 |
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