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CIDR Range

51.241.100.192/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 16 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.

64/100
Moderate
How this score is built

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

Geolocation

All 16 IP addresses in 51.241.100.192/28

Not announced as an exact prefix — covered by the announced supernet 51.241.100.0/22.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
3,329
Last seen
2026-07-10 21:48:06

Frequently Asked Questions

What is 51.241.100.192/28?

51.241.100.192/28 is a CIDR network block containing 16 IPv4 addresses (from 51.241.100.192 to 51.241.100.207). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 51.241.100.192/28 network?

The 51.241.100.192/28 range is allocated to NTT America, Inc. and announced via AS2914 from United States.

How many IP addresses are in 51.241.100.192/28?

51.241.100.192/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-07-23 22:40:31 UTC
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