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CIDR Range

166.182.192.0/18

16.4K IPs /18 T-Mobile USA, Inc. AS6614 United States ARIN
Addresses
16,384
16.4K
IP Range
166.182.192.0
→ 166.182.255.255
Sub-ranges
37+
within this block
PTR Density
12.4%
2.0K of 16.4K 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 →

Ranges inside 166.182.192.0/18

CIDRIPsOrganizationASNCountry
166.182.192.0/19 8.2K T-Mobile USA, Inc. AS18933 US
166.182.192.0/19 8.2K T-Mobile USA, Inc. AS6614 US
166.182.224.0/20 4.1K T-Mobile USA, Inc. AS18933 US
166.182.224.0/20 4.1K T-Mobile USA, Inc. AS6614 US
166.182.248.0/21 2.0K T-Mobile USA, Inc. AS6614 US
166.182.252.0/22 1.0K T-Mobile USA, Inc. AS6614 US
166.182.240.0/23 512 T-Mobile USA, Inc. AS6614 US
166.182.242.0/23 512 T-Mobile USA, Inc. AS6614 US
166.182.242.0/23 512 T-Mobile USA, Inc. AS6614 US
166.182.246.0/23 512 T-Mobile USA, Inc. AS6614 US
166.182.246.0/23 512 T-Mobile USA, Inc. AS18933 US
166.182.240.0/24 256 T-Mobile USA, Inc. AS18933 US
166.182.241.0/24 256 T-Mobile USA, Inc. AS6614 US
166.182.251.0/24 256 T-Mobile USA, Inc. AS6614 US
166.182.245.0/24 256 T-Mobile USA, Inc. AS6614 US
166.182.249.0/24 256 T-Mobile USA, Inc. AS6614 US
166.182.244.0/24 256 T-Mobile USA, Inc. AS6614 US
166.182.244.0/24 256 T-Mobile USA, Inc. AS6614 US
166.182.245.0/24 256 T-Mobile USA, Inc. AS18933 US
166.182.250.128/25 128 T-Mobile USA, Inc. AS6614 US
166.182.248.128/25 128 T-Mobile USA, Inc. AS6614 US
166.182.250.0/26 64 T-Mobile USA, Inc. AS6614 US
166.182.248.64/26 64 T-Mobile USA, Inc. AS6614 US
166.182.250.96/27 32 T-Mobile USA, Inc. AS6614 US
166.182.248.32/27 32 T-Mobile USA, Inc. AS6614 US
166.182.250.64/28 16 T-Mobile USA, Inc. AS6614 US
166.182.248.16/28 16 T-Mobile USA, Inc. AS6614 US
166.182.248.8/29 8 T-Mobile USA, Inc. AS6614 US
166.182.250.80/29 8 T-Mobile USA, Inc. AS6614 US
166.182.248.0/30 4 T-Mobile USA, Inc. AS6614 US
166.182.250.92/30 4 T-Mobile USA, Inc. AS6614 US
166.182.250.88/31 2 T-Mobile USA, Inc. AS6614 US

First and last addresses in 166.182.192.0/18

166.182.192.0/18 runs from 166.182.192.0 to 166.182.255.255.

First 16
166.182.192.0 166.182.192.1 166.182.192.2 166.182.192.3 166.182.192.4 166.182.192.5 166.182.192.6 166.182.192.7 166.182.192.8 166.182.192.9 166.182.192.10 166.182.192.11 166.182.192.12 166.182.192.13 166.182.192.14 166.182.192.15
Last 16
166.182.255.240 166.182.255.241 166.182.255.242 166.182.255.243 166.182.255.244 166.182.255.245 166.182.255.246 166.182.255.247 166.182.255.248 166.182.255.249 166.182.255.250 166.182.255.251 166.182.255.252 166.182.255.253 166.182.255.254 166.182.255.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 166.182.0.0/16.

Announced prefix
166.182.0.0/16
Origin AS
AS18933
Announcement samples
16,210
Last seen
2026-11-14 12:03:20

RIR Ownership History

Atom feed ⇲

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

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

Frequently Asked Questions

What is 166.182.192.0/18?

166.182.192.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 166.182.192.0 to 166.182.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 166.182.192.0/18 network?

The 166.182.192.0/18 range is allocated to T-Mobile USA, Inc. and announced via AS6614 from United States.

Last updated: 2026-11-14 14:54:05 UTC
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