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CIDR Range

203.70.128.0/17

Addresses
32,768
32.8K
Sub-ranges
0+
within this block
PTR Density
76.2%
25.0K 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.

80/100
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 203.70.128.0/17

203.70.128.0/17 runs from 203.70.128.0 to 203.70.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 203.70.0.0/16.

Announced prefix
Origin AS
Announcement samples
10,974
Last seen
2026-11-06 05:41:23

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 — TW

Frequently Asked Questions

What is 203.70.128.0/17?

203.70.128.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 203.70.128.0 to 203.70.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 203.70.128.0/17 network?

The 203.70.128.0/17 range is allocated to Digital United Inc. and announced via AS4780 from Taiwan.

Last updated: 2026-11-06 06:09:06 UTC
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