Data as of Nov 9, 2026
140.208.253.0/24
No anonymizer space · no proxy exits in 30 daysNational Oceanic and Atmospheric Administration
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 140.208.252.0/22 since Dec 2016 | AS3477 | Business | National Oceanic and Atmospheric Administration |
Network & registry
Origin network
AS3477
US
- Name
- National Oceanic and Atmospheric Administration
- Type
- Education
- Registered
- Mar 8, 1994
- Domain
- noaa.gov
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 140.208.253.0/24 | AS3477 | /24 | ARIN | RPKI valid |
| 140.208.252.0/22 | AS3477 | /22 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3477 | ARIN | National Oceanic and Atmospheric Administration | MNT-NOAABO-Z | Aug 1, 2025 |
Whois
Registration for this announcement
- Range
- 140.
208. 240. 0/ 20 - Netname
- NOAA-EAST1
- Registrant
- National Oceanic and Atmospheric Administration
- Organization
- National Oceanic and Atmospheric Administration (NOAABO-Z)
- Org address
- 325 Broadway, Boulder, CO, 80305
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-140-208-240-0-1
- Parent
- NET-140-0-0-0-0
- Created
- Jun 11, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 11, 1990
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN