Autonomous System
AS3477 — NOAA-NWAVE - National Oceanic and Atmospheric Administration(US)
Last fetched
AS3477 is an Autonomous System operated by NOAA-NWAVE - National Oceanic and Atmospheric Administration and registered in US. As of Wed, 20 May 2026 21:59:26 GMT, it announces 108 routed IP prefixes and peers with 12 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS3477 announces 108 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 138.16.16.0/24
- 138.16.17.0/24
- 138.16.18.0/24
- 138.16.19.0/24
- 138.16.20.0/24
- 138.16.21.0/24
- 138.16.22.0/24
- 138.16.23.0/24
- 138.16.24.0/24
- 138.16.25.0/24
- 138.16.26.0/24
- 138.16.27.0/24
- 138.16.28.0/24
- 138.16.29.0/24
- 138.16.34.0/24
- 140.248.233.0/24
- 140.248.224.0/19
- 140.249.3.0/24
- 140.249.7.0/24
- 141.105.82.0/24
- 141.136.241.0/24
- 141.136.242.0/24
- 141.136.243.0/24
- 151.255.147.0/24
- 151.255.148.0/24
Peering ecosystem
12 distinct peers via BGP. The first 12 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS49 | US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY - National Institute of Standards and Technology | US |
| AS40623 | INGENUITY-SYSTEMS - QIAGEN Redwood City, Inc. | US |
| AS33343 | EMSER-ASN01 - Emser Tile LLC | US |
| AS30687 | KITS-AKR-OH-DC1 - KIEHL IT SERVICES, LLC | US |
| AS26100 | GAA - Greensboro Auto Auction | US |
| AS16550 | GOOGLE-PRIVATE-CLOUD - Google LLC | US |
| AS12076 | MICROSOFT - Microsoft Corporation | US |
| AS11956 | NOAA-XWAVE - National Oceanic and Atmospheric Administration | US |
| AS6629 | NOAA-SILVERSPRING - National Oceanic and Atmospheric Administration | US |
| AS5744 | USPTO - United States Patent and Trademark Office | US |
| AS3635 | BEA - U.S. Department of Commerce, Bureau of Economic Analysis | US |
| AS2648 | NOAA-BOULDER - National Oceanic and Atmospheric Administration | US |
Blast radius
Approximate count of dependent hostnames if AS3477 disappeared from the routing table.
No dependent hostnames recorded for this network.Snapshot Wed, 20 May 2026 21:59:26 GMT.
MOAS / hijack watch
Prefixes routed by AS3477 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS3477 is unique to AS3477 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS3477.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS3477"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.