IPv4 address

2.56.157.200(FR)AS15401

Last fetched Thu, 21 May 2026 10:41:21 GMT

2.56.157.200 is announced by AS15401 (EOLAS-AS), located in Grenoble, FR, FR.

Nutrition Label

Attribution

Registered prefix: 2.56.156.0/22
Announced prefix: 2.56.156.0/23
Announcing ASN: AS15401
Operator: EOLAS-AS
Drift: Registered prefix 2.56.156.0/22 differs from announced prefix 2.56.156.0/23 — RIR allocation does not match current BGP routing. This is a signal worth investigating during incident response.

Anycast detection

No anycast signal detected. Reverse DNS resolves to 3 hostnames; announced prefix is /23; announcing ASN peers with 10 other networks (anycast floor is 10).

Reverse DNS

3 hostnames observed pointing at 2.56.157.200.

Threat posture

Geographic detail

City: Grenoble, FR
Country: FR

History

Pivot deeper into the graph from 2.56.157.200.

Cypher and MCP

Reproduce the IP profile directly against graph.whisper.security:

MATCH (ip:IPV4 {name: "2.56.157.200"})
OPTIONAL MATCH (ip)-[:BELONGS_TO]->(rp:REGISTERED_PREFIX)
OPTIONAL MATCH (ip)-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
                    -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (ip)-[:LOCATED_IN]->(city:CITY)
OPTIONAL MATCH (ip)-[:HAS_COUNTRY]->(country:COUNTRY)
RETURN ip.name AS ip,
       rp.name AS registered_prefix,
       ap.name AS announced_prefix,
       asn.name AS asn,
       n.name AS network,
       city.name AS city,
       country.name AS country

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