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CIDR
/23 · 512 IPs
ASN
Level 3 Parent, LLC
Reverse DNS
66-195-136-143.static.ctl.one
Last scanned 2 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.

81/100
Trusted
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)
66-195-136-143.static.ctl.one
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
86400 s
Reverse DNS last checked
2026-07-29 15:22 UTC
Forward DNS last checked
2026-07-29 15:22 UTC
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 66.195.136.143

CIDR range
66.195.136.0/23
IP range (int)
1,120,110,592 — 1,120,111,103
Prefix length
/23
Organization
Level 3 Parent, LLC
ASN
AS3549
ASN name
Level 3 Parent, LLC
Location
Brookfield, Wisconsin, United States
Coordinates
37.751000, -97.822000
Accuracy radius
1000 km
Postal code
53045
Regional Internet Registry
ARIN
Allocated
2001-10-25
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-09 00:20:37

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

Announced prefix
Origin AS
Announcement samples
4,772
Last seen
2026-07-29 17:33:54

Frequently Asked Questions

Who owns 66.195.136.143?

66.195.136.143 is allocated to Level 3 Parent, LLC (AS3549), registered in Brookfield, United States.

Where is 66.195.136.143 located?

The geolocation for 66.195.136.143 maps to Brookfield, 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 66.195.136.143 on?

66.195.136.143 belongs to the 66.195.136.0/23 network block announced by AS3549. This range contains 512 addresses.

Does 66.195.136.143 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: 2026-07-29 17:45:45 UTC
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