IPv4 address

153.121.2.2(JP)AS9370

Last fetched Tue, 26 May 2026 00:48:26 GMT

153.121.2.2 is announced by AS9370 (SAKURA-B SAKURA Internet Inc.), located in Osaka, JP, JP.

Nutrition Label

Attribution

Registered prefix: 153.121.0.0/17
Announced prefix: 153.121.0.0/19
Announcing ASN: AS9370
Operator: SAKURA-B SAKURA Internet Inc.
Drift: Registered prefix 153.121.0.0/17 differs from announced prefix 153.121.0.0/19 — 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 50 hostnames; announced prefix is /19; announcing ASN peers with 12 other networks (anycast floor is 10).

Reverse DNS

50 hostnames observed pointing at 153.121.2.2.

Threat posture

Geographic detail

City: Osaka, JP
Country: JP

History

Pivot deeper into the graph from 153.121.2.2.

Cypher and MCP

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

MATCH (ip:IPV4 {name: "153.121.2.2"})
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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