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Autonomous System

AS38340

263 Shanghai Communications Ltd.

Announced IPs
256
CIDR prefixes
1
ASN
AS38340

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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
114.28.253.0/24 256
0.8%
263 Shanghai Communications Ltd. CN

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS38340 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
114.28.253.0/24 9,062 2026-07-13 09:14:43

Frequently Asked Questions

What is AS38340?

AS38340 is an Autonomous System Number assigned to 263 Shanghai Communications Ltd.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS38340 announce?

AS38340 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in China.

Who operates AS38340?

AS38340 is operated by 263 Shanghai Communications Ltd.. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.

What country is AS38340 registered in?

AS38340 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-26 08:55:32 UTC
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