IPv4 address

27.131.66.18(AU)AS38880

Last fetched Thu, 21 May 2026 16:09:48 GMT

27.131.66.18 is announced by AS38880 (M21-AS-AP Micron21 Datacentre Pty Ltd), located in AU.

Nutrition Label

Attribution

Registered prefix: 27.131.64.0/18
Announced prefix: 27.131.64.0/19
Announcing ASN: AS38880
Operator: M21-AS-AP Micron21 Datacentre Pty Ltd
Drift: Registered prefix 27.131.64.0/18 differs from announced prefix 27.131.64.0/19 — RIR allocation does not match current BGP routing. This is a signal worth investigating during incident response.

Anycast detection

This appears to be an anycast IP. Reverse DNS returned zero hostnames, the announced prefix is /19 — a routing block large enough to share globally — and the announcing ASN (AS38880) peers with 18 other networks (above the 10-peer floor for a well-connected anycast operator). Many physical hosts can therefore answer for this address from different locations. Learn more about anycast →

Threat posture

Geographic detail

City: Not in WhisperGraph for this address
Country: AU

History

Pivot deeper into the graph from 27.131.66.18.

Cypher and MCP

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

MATCH (ip:IPV4 {name: "27.131.66.18"})
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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