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WorldIP.io
CIDR Range

75.20.78.0/24

Addresses
256
256
Sub-ranges
50+
within this block
PTR Density
0.0%
0 of 256 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.

76/100
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 75.20.78.0/24

CIDRIPsOrganizationASNCountry
75.20.78.160/27 32 AT&T Enterprises, LLC AS7018 US
75.20.78.224/27 32 AT&T Enterprises, LLC AS7018 US
75.20.78.0/28 16 AT&T Enterprises, LLC AS7018 US
75.20.78.208/28 16 AT&T Enterprises, LLC AS7018 US
75.20.78.96/28 16 AT&T Enterprises, LLC AS7018 US
75.20.78.120/29 8 AT&T Enterprises, LLC AS7018 US
75.20.78.200/29 8 AT&T Enterprises, LLC AS7018 US
75.20.78.88/29 8 AT&T Enterprises, LLC AS7018 US
75.20.78.68/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.44/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.48/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.60/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.112/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.128/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.16/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.156/30 4 AT&T Enterprises, LLC AS7018 US
75.20.78.132/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.144/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.42/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.66/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.154/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.74/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.76/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.82/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.86/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.142/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.138/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.56/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.20/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.36/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.52/31 2 AT&T Enterprises, LLC AS7018 US
75.20.78.151/32 1 AT&T Enterprises, LLC AS7018 US

First and last addresses in 75.20.78.0/24

75.20.78.0/24 runs from 75.20.78.0 to 75.20.78.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 75.20.0.0/15.

Announced prefix
Origin AS
Announcement samples
12,900
Last seen
2026-10-28 06:17:25

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 75.20.78.0/24?

75.20.78.0/24 is a CIDR network block containing 256 IPv4 addresses (from 75.20.78.0 to 75.20.78.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 75.20.78.0/24 network?

The 75.20.78.0/24 range is allocated to AT&T Enterprises, LLC and announced via AS7018 from United States.

How many IP addresses are in 75.20.78.0/24?

75.20.78.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-10-28 06:24:05 UTC
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