IPv4 address

128.136.151.74

Last fetched Tue, 15 Sep 2026 17:35:10 GMT

128.136.151.74 is announced in 128.136.0.0/16 by ASN-FLEXENTIAL - Flexential Colorado Corp. and geolocates to US. 128.136.151.74 is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.

Threat posture

0threat score (procedure-native scale)

NONE

No threats observed.

Threat feeds listing this: 0
Verdict coverage: no-data

Nutrition Label

Attribution

Announced prefix: 128.136.0.0/16
Announcing network: ASN-FLEXENTIAL - Flexential Colorado Corp.
RIR-registered prefix: 128.136.0.0/16
RPKI: not-found

Anycast detection

This does not appear to be an anycast address on the three signals Canon evaluates: reverse DNS, announced-prefix width and the announcing network's peer count.

Reverse DNS

Geographic detail

Country: US

Threat-feed evidence

History

Pivot from 128.136.151.74 into the prefix, network and country that carry it.

Cypher and MCP

Reproduce this address's routing attribution against graph.whisper.security:

MATCH (ip:IPV4 {name: "128.136.151.74"})
OPTIONAL MATCH (ip)-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (ip)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN ap.name AS prefix, a.name AS asn, n.name AS network, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.