Autonomous System

AS21558 — SC-JOHNSON - S.C. Johnson & Son, Inc.(US)

Last fetched Sun, 06 Sep 2026 19:19:41 GMT

AS21558 is an Autonomous System operated by SC-JOHNSON - S.C. Johnson & Son, Inc. and registered in US. As of Sun, 06 Sep 2026 19:19:41 GMT, it announces 5 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS21558 announces 5 distinct routed prefixes. The 5-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

4 distinct peers via BGP. The first 4 are listed below.

Peer ASN	Operator	Country
AS40264	TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC	US
AS55821	RADIUSTELECOMS-AS-AP - RADIUS TELECOMS, INC.	PH
AS702	UUNET - Verizon Business	US
AS9299	IPG-AS-AP - Philippine Long Distance Telephone Company	PH

Blast radius

Count of dependent hostnames if AS21558 disappeared from the routing table.

93 hostnames depend on this network.Exact count across all 5 announced prefixes. Snapshot Thu, 09 Jul 2026 11:01:07 GMT.

MOAS / hijack watch

Prefixes routed by AS21558 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 AS21558 is unique to AS21558 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS21558.

Cypher and MCP

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

MATCH (a:ASN {name: "AS21558"})-[: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.