Autonomous System

AS57777 — MASSAR - Jeroen Massar(CH)

Last fetched Sun, 06 Sep 2026 18:42:52 GMT

AS57777 is an Autonomous System operated by MASSAR - Jeroen Massar and registered in CH. As of Sun, 06 Sep 2026 18:42:52 GMT, it announces 2 routed IP prefixes and peers with 6 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS57777 announces 2 distinct routed prefixes. The 2-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

6 distinct peers via BGP. The first 6 are listed below.

Peer ASN	Operator	Country
AS29632	NASSIST-AS - Netassist International EOOD	BG
AS34549	MEER-AS - meerfarbig GmbH & Co. KG	DE
AS48362	TKSWF-AS - Stadtwerke Feldkirch	AT
AS58115	SWISSIX-OUTREACH - SwissIX Internet Exchange	CH
AS6939	HURRICANE - Hurricane Electric LLC	US
AS8298	IPNG - IPng Networks GmbH	CH

Blast radius

Count of dependent hostnames if AS57777 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS57777 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 AS57777 is unique to AS57777 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS57777.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS57777"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.