AS28640 — AS28640 - VIPWAY Telecomunicacoes Ltda(BR)

Nutrition Label

Routing footprint

AS28640 announces 61 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 189.51.64.0/23
• 189.51.64.0/22
• 189.51.66.0/23
• 189.51.64.0/21
• 189.51.68.0/23
• 189.51.68.0/22
• 189.51.70.0/23
• 189.51.64.0/20
• 189.51.72.0/23
• 189.51.72.0/22
• 189.51.74.0/23
• 189.51.72.0/21
• 189.51.76.0/23
• 189.51.76.0/22
• 189.51.78.0/23
• 189.51.80.0/23
• 189.51.80.0/22
• 189.51.82.0/23
• 189.51.80.0/21
• 189.51.84.0/23
• 189.51.84.0/22
• 189.51.86.0/23
• 189.51.89.0/24
• 189.51.90.0/24
• 189.51.91.0/24

Peering ecosystem

12 distinct peers via BGP. The first 12 are listed below.

Blast radius

Count of dependent hostnames if AS28640 disappeared from the routing table.

166 hostnames depend on this network.Exact count across all 77 announced prefixes. Snapshot Sat, 25 Jul 2026 14:00:51 GMT.

MOAS / hijack watch

Prefixes routed by AS28640 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 AS28640 is unique to AS28640 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS28640.

• Country · BR
• Peer · PEER1-1031 - PEER 1031 LLCAS1031
• Prefix · 189.51.64.0/23
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• Browse this ASN range · 28000-28999
• Glossary · What is BGP?
• Whisper Internet Directory — home

Cypher and MCP

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

MATCH (a:ASN {name: "AS28640"})-[: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.