Data as of Nov 6, 2026
205.156.56.0/22
No anonymizer space · no proxy exits in 30 daysNational Oceanic and Atmospheric Administration
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.156.0.0/18 since Jun 2022 | AS3477 | Business | National Oceanic and Atmospheric Administration |
Network & registry
Origin network
AS26100
US
- Name
- National Oceanic and Atmospheric Administration
- Type
- Education
- Registered
- Aug 19, 2010
- 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
- Oct 2011
- Current origin since
- Oct 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 205.156.56.0/22 | AS26100 | /22 | ARIN | RPKI valid |
| 205.156.0.0/18 | AS3477 | /18 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS26100 | ARIN | NOAA IRC | MNT-NOAABO-Z | Jun 26, 2024 |
Whois
Registration for this announcement
- Range
- 205.
156. 0. 0/ 18 - Netname
- NOAA-EAST2
- 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-205-156-0-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Mar 3, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 3, 1995
- Status
- assigned
Report abuse
Abuse contact
- nwave-arin-abuse@
noaa. gov - Name
- N-Wave ARIN Abuse
- Phone
- +1-812-856-7477
- Handle
- NAA40-ARIN