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CIDR Range

203.181.248.208/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
43.8%
7 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.

76/100
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 203.181.248.208/28

Not announced as an exact prefix — covered by the announced supernet 203.181.248.0/23.

Announced prefix
Origin AS
Announcement samples
5,685
Last seen
2026-07-29 07:18:39

Frequently Asked Questions

What is 203.181.248.208/28?

203.181.248.208/28 is a CIDR network block containing 16 IPv4 addresses (from 203.181.248.208 to 203.181.248.223). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 203.181.248.208/28 network?

The 203.181.248.208/28 range is allocated to Asia Pacific Advanced Network - Japan and announced via AS7660 from Japan.

How many IP addresses are in 203.181.248.208/28?

203.181.248.208/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-07-29 07:25:30 UTC
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