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Autonomous System

AS59959 — SFERIA - SferiaNET.cz s.r.o.(CZ)

Last fetched

AS59959 is an Autonomous System operated by SFERIA - SferiaNET.cz s.r.o. and registered in CZ. As of Thu, 03 Sep 2026 16:13:44 GMT, it announces 5 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS59959Routing diversity3.9/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/59959

Routing footprint

AS59959 announces 5 distinct routed prefixes. The 5-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.

Peer ASNOperatorCountry
AS1764NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbHAT
AS39392SuperNetwork - SuperNetworkCZ

Blast radius

Count of dependent hostnames if AS59959 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 AS59959 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 AS59959 is unique to AS59959 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS59959.

Cypher and MCP

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

MATCH (a:ASN {name: "AS59959"})-[: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.