Data as of Nov 14, 2026
129.6.64.0/19
No anonymizer space · no proxy exits in 30 daysNational Institute of Standards and Technology
Network & registry
Announced by
Covering announcement 129.6.64.0/18
- Prefix
- 129.6.64.0/18
- Announced by
- AS49 National Institute of Standards and Technology
- Type
- Business
- RPKI
- RPKI valid
- Netname
- NIST-G
- Registrant
- National Institute of Standards and Technology
- RIR
- ARIN
Origin network
AS49
US
- Name
- National Institute of Standards and Technology
- Type
- Education
- Registered
- Sep 4, 1985
- Domain
- nist.gov
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 129.6.64.0/18
129.6.64.0/18
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 129.6.64.0/18 | AS49 | /18 | ARIN | RPKI valid |
IRR
Route objects on 129.6.64.0/18
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS49 | ARIN | National Institute of Standards and Technology | MNT-NIST-Z | May 19, 2025 |
Whois
Registration for this announcement
- Range
- 129.
6. 0. 0/ 16 - Netname
- NIST-G
- Registrant
- National Institute of Standards and Technology
- Organization
- National Institute of Standards and Technology (NIST-Z)
- Org address
- 100 Bureau Drive Stop 1810, Gaithersburg, MD, 20899
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-129-6-0-0-1
- Parent
- NET-129-0-0-0-0
- Created
- Jun 12, 1987
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 12, 1987
- Status
- assigned
Report abuse
Abuse contact
- netops@
nist. gov - Name
- Network Operations
- Phone
- +1-301-975-3000
- Handle
- NETWO8138-ARIN