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Autonomous System

AS131123

Vietnam Internet network information center (VNNIC)

Announced IPs
256
CIDR prefixes
1
ASN
AS131123

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
117.122.3.0/24 256
0.8%
Vietnam Internet network information center VNNIC VN

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS131123 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
117.122.3.0/24 96,895 2026-07-30 06:59:54

Frequently Asked Questions

What is AS131123?

AS131123 is an Autonomous System Number assigned to Vietnam Internet network information center (VNNIC). 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 AS131123 announce?

AS131123 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Vietnam.

Who operates AS131123?

AS131123 is operated by Vietnam Internet network information center VNNIC. The organization is based in Vietnam. You can view all IP ranges and related ASNs on the organization page.

What country is AS131123 registered in?

AS131123 is registered in Vietnam. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-30 07:10:31 UTC
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