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IPv4 address

172.66.166.39

Last fetched

172.66.166.39 is announced in 172.66.160.0/20 by CLOUDFLARENET - Cloudflare, Inc. and geolocates to CA. 172.66.166.39 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

WHISPER CANON · 172.66.166.39Routing diversity10.0/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency—Resolver footprint—canon.whisper.security/ip/172.66.166.39

Attribution

Announced prefix
172.66.160.0/20
Announcing network
CLOUDFLARENET - Cloudflare, Inc.
RIR-registered prefix
172.64.0.0/13
RPKI
valid

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

City
Toronto, CA
Country
CA
Dominant city of the prefix
Toronto, CA

Threat-feed evidence

History

Related pages

Pivot from 172.66.166.39 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: "172.66.166.39"})
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.