Data as of Nov 5, 2026
161.55.56.0/23
No anonymizer space · no proxy exits in 30 daysNational Oceanic and Atmospheric Administration
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 161.55.0.0/16 since May 2015 | 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
- Feb 2024
- Current origin since
- Feb 2024 · 2.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 161.55.56.0/23 | AS3477 | /23 | ARIN | RPKI valid |
| 161.55.0.0/16 | AS3477 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3477 | ARIN | NMFS VPN IRC | MNT-NOAABO-Z | Jun 9, 2025 |
Whois
Registration for this announcement
- Range
- 161.
55. 0. 0/ 16 - Netname
- NOAA-WEST1
- 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-161-55-0-0-1
- Parent
- NET-161-0-0-0-0
- Created
- Jun 1, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN