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CIDR Range

114.251.128.0/17

Addresses
32,768
32.8K
Sub-ranges
0+
within this block
PTR Density
0.6%
197 of 32.8K 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.

81/100
Trusted
How this score is built

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

Geolocation

First and last addresses in 114.251.128.0/17

114.251.128.0/17 runs from 114.251.128.0 to 114.251.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 114.251.0.0/16.

Announced prefix
Origin AS
Announcement samples
34,371
Last seen
2026-11-14 12:03:23

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 — CN

Frequently Asked Questions

What is 114.251.128.0/17?

114.251.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 114.251.128.0 to 114.251.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 114.251.128.0/17 network?

The 114.251.128.0/17 range is allocated to China Unicom Beijing Province Network and announced via AS4808 from China.

Last updated: 2026-11-14 13:09:05 UTC
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