Autonomous System

AS26421 — PONDEROSA-INTERNET - Ponderosa Cablevision(US)

Last fetched Thu, 21 May 2026 13:17:21 GMT

AS26421 is an Autonomous System operated by PONDEROSA-INTERNET - Ponderosa Cablevision and registered in US. As of Thu, 21 May 2026 13:17:21 GMT, it announces 15 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS26421 announces 15 distinct routed prefixes. The 15-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

1 distinct peers via BGP. The first 1 are listed below.

Peer ASN	Operator	Country
AS54048	CVIN - Vast Networks	US

MOAS / hijack watch

Prefixes routed by AS26421 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 AS26421 is unique to AS26421 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS26421.

Cypher and MCP

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

MATCH (a:ASN {name: "AS26421"})-[: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.