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CIDR Range

103.197.28.128/27

Addresses
32
32
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 32 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.

68/100
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 32 IP addresses in 103.197.28.128/27

Not announced as an exact prefix — covered by the announced supernet 103.197.28.0/22.

Announced prefix
Origin AS
Announcement samples
9,273
Last seen
2026-07-24 09:48:35

Frequently Asked Questions

What is 103.197.28.128/27?

103.197.28.128/27 is a CIDR network block containing 32 IPv4 addresses (from 103.197.28.128 to 103.197.28.159). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 103.197.28.128/27 network?

The 103.197.28.128/27 range is allocated to 43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong and announced via AS63981 from Singapore.

How many IP addresses are in 103.197.28.128/27?

103.197.28.128/27 contains exactly 32 usable IPv4 addresses. A /27 prefix length means 32 addresses are covered by this single routing entry.

Last updated: 2026-07-24 10:10:32 UTC
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