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Autonomous System

AS28357 — RBS ZERO HORA EDITORA JORNALISTICA(BR)

Last fetched

AS28357 is an Autonomous System operated by RBS ZERO HORA EDITORA JORNALISTICA and registered in BR. As of Thu, 21 May 2026 11:55:26 GMT, it announces 4 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS28357Routing diversity3.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/28357

Routing footprint

AS28357 announces 4 distinct routed prefixes. The 4-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
AS4230CLARO S.A.BR
AS266438GNS FIBRABR

MOAS / hijack watch

Prefixes routed by AS28357 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 AS28357 is unique to AS28357 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS28357.

Cypher and MCP

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

MATCH (a:ASN {name: "AS28357"})-[: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.