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CIDR
/20 · 4.1K IPs
ASN
FlexNetworks
Reverse DNS
—
No PTR record
Blocklisted
Checking…
Scanning blocklists

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

77/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Reverse DNS history

How this IP's reverse DNS (PTR) has changed over time, from our scans.

Reverse-DNS changes between Jun 1, 2026 and Oct 4, 2026 were not recorded; the current PTR is shown from its earliest retained observation.

  1. no PTR — since at least Oct 4, 2026 → present
  2. 81.203.64.host140.flexnetworks.ca — Jun 1, 2026 → Oct 4, 2026 2 brief no-PTR dropouts

Network Allocation for 64.203.81.140

CIDR range
64.203.80.0/20
IP range (int)
1,087,066,112 — 1,087,070,207
Prefix length
/20
Organization
FlexNetworks
ASN
AS19523
ASN name
FlexNetworks
Location
Winnipeg, Manitoba, Canada
Coordinates
49.865700, -97.067100
Accuracy radius
100 km
Postal code
R2J
Regional Internet Registry
ARIN
Allocated
2017-08-28
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-10-04 08:43:33

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
15,068
Last seen
2026-10-04 22:09:48

Frequently Asked Questions

Who owns 64.203.81.140?

64.203.81.140 is allocated to FlexNetworks (AS19523), registered in Winnipeg, Canada.

Where is 64.203.81.140 located?

The geolocation for 64.203.81.140 maps to Winnipeg, Canada based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 64.203.81.140 on?

64.203.81.140 belongs to the 64.203.80.0/20 network block announced by AS19523. This range contains 4,096 addresses.

Does 64.203.81.140 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-10-04 22:35:02 UTC
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