Autonomous System
AS16681 — ETS - Educational Testing Service(US)
Last fetched
AS16681 is an Autonomous System operated by ETS - Educational Testing Service and registered in US. As of Sun, 06 Sep 2026 13:22:47 GMT, it announces 8 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS16681 announces 8 distinct routed prefixes. The 8-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
2 distinct peers via BGP. The first 2 are listed below.
Blast radius
Count of dependent hostnames if AS16681 disappeared from the routing table.
142 hostnames depend on this network.Exact count across all 8 announced prefixes. Snapshot Mon, 08 Jun 2026 15:00:18 GMT.
MOAS / hijack watch
Prefixes routed by AS16681 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 AS16681 is unique to AS16681 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS16681.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS16681"})-[: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.