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Autonomous System

AS28576 — AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil(BR)

Last fetched

AS28576 is an Autonomous System operated by AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil and registered in BR. As of Sun, 06 Sep 2026 16:08:19 GMT, it announces 14 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS28576Routing diversity5.9/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/28576

Routing footprint

AS28576 announces 14 distinct routed prefixes. The 14-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 ASNOperatorCountry
AS22356AS22356 - Durand do Brasil LtdaBR
AS262731AS262731 - CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTDBR
AS6939HURRICANE - Hurricane Electric LLCUS
AS8055AS8055 - TAVOLA CONECTIVIDADE LTDA.BR

Blast radius

Count of dependent hostnames if AS28576 disappeared from the routing table.

235 hostnames depend on this network.Exact count across all 13 announced prefixes. Snapshot Sat, 25 Jul 2026 13:00:55 GMT.

MOAS / hijack watch

Prefixes routed by AS28576 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 AS28576 is unique to AS28576 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS28576.

Cypher and MCP

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

MATCH (a:ASN {name: "AS28576"})-[: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.