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CIDR
/22 · 1.0K IPs
ASN
Siyeh Corporation
Reverse DNS
140.81.66.in-addr.arpa
Last scanned 1 hr ago
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.

72/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
140.81.66.in-addr.arpa
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
300 s
Reverse DNS last checked
2026-07-30 19:57 UTC
Forward DNS last checked
2026-07-30 19:57 UTC

Forward DNS records for 140.81.66.in-addr.arpa

TypeValuePriorityTTL
NS alberto.ns.cloudflare.com
NS cora.ns.cloudflare.com
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 66.81.140.170

CIDR range
66.81.140.0/22
IP range (int)
1,112,640,512 — 1,112,641,535
Prefix length
/22
Organization
Siyeh Corporation
ASN
AS27022
ASN name
Siyeh Corporation
Location
Browning, Montana, United States
Coordinates
48.554400, -113.011200
Accuracy radius
5 km
Postal code
59417
Regional Internet Registry
ARIN
Allocated
2025-07-02
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-28 04:25:58

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

Announced prefix
Origin AS
Announcement samples
9,083
Last seen
2026-07-30 20:42:52

Frequently Asked Questions

Who owns 66.81.140.170?

66.81.140.170 is allocated to Siyeh Corporation (AS27022), registered in Browning, United States.

Where is 66.81.140.170 located?

The geolocation for 66.81.140.170 maps to Browning, United States 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 66.81.140.170 on?

66.81.140.170 belongs to the 66.81.140.0/22 network block announced by AS27022. This range contains 1,024 addresses.

Does 66.81.140.170 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: 2026-07-30 20:08:53 UTC
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