CIDR Range

223.103.228.0/23

512 IPs /23 China Mobile Communications Group Co., Ltd. AS9808 China APNIC

Addresses

512

IP Range

223.103.228.0

→ 223.103.229.255

Sub-ranges

within this block

PTR Density

0.0%

0 of 512 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.

73/100

Moderate

How this score is built

Baseline (neutral) 65
Long-established allocation (16y) +6
Mobile allocation +2
Trust score 73 / 100

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

Geolocation

First and last addresses in 223.103.228.0/23

223.103.228.0/23 runs from 223.103.228.0 to 223.103.229.255.

First 16

223.103.228.0 223.103.228.1 223.103.228.2 223.103.228.3 223.103.228.4 223.103.228.5 223.103.228.6 223.103.228.7 223.103.228.8 223.103.228.9 223.103.228.10 223.103.228.11 223.103.228.12 223.103.228.13 223.103.228.14 223.103.228.15

Last 16

223.103.229.240 223.103.229.241 223.103.229.242 223.103.229.243 223.103.229.244 223.103.229.245 223.103.229.246 223.103.229.247 223.103.229.248 223.103.229.249 223.103.229.250 223.103.229.251 223.103.229.252 223.103.229.253 223.103.229.254 223.103.229.255

BGP Routing

Live BGP anomalies →

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix

223.103.228.0/23

Origin AS

AS56040

Announcement samples

Last seen

2026-10-14 13:16:05

Frequently Asked Questions

What is 223.103.228.0/23?

223.103.228.0/23 is a CIDR network block containing 512 IPv4 addresses (from 223.103.228.0 to 223.103.229.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 223.103.228.0/23 network?

The 223.103.228.0/23 range is allocated to China Mobile Communications Group Co., Ltd. and announced via AS9808 from China.

Last updated: 2026-10-27 12:39:05 UTC