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CIDR Range

148.85.4.188/31

Addresses
2
2
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 2 IPs have PTR ~

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.

67/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 2 IP addresses in 148.85.4.188/31

Not announced as an exact prefix — covered by the announced supernet 148.85.0.0/18.

Announced prefix
Origin AS
Announcement samples
12,091
Last seen
2026-11-13 10:20:44

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-08-26 Deallocation US —
2026-08-26 New Allocation — US
2026-05-10 New Allocation — US

Frequently Asked Questions

What is 148.85.4.188/31?

148.85.4.188/31 is a CIDR network block containing 2 IPv4 addresses (from 148.85.4.188 to 148.85.4.189). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 148.85.4.188/31 network?

The 148.85.4.188/31 range is allocated to Central Utah Telephone, Inc. and announced via AS36103 from United States.

How many IP addresses are in 148.85.4.188/31?

148.85.4.188/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-11-13 10:54:05 UTC
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