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Autonomous System

AS137838

CHALERNSUB PROFESSIONAL NETWORK CO.,LTD.

Announced IPs
768
CIDR prefixes
2
ASN
AS137838

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
103.174.8.0/23 512
0.0%
CHALERNSUB PROFESSIONAL NETWORK CO.,LTD. LA
160.250.220.0/24 256
0.0%
CHALERNSUB PROFESSIONAL NETWORK CO.,LTD. LA

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS137838 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
160.250.220.0/24 29,013 2026-07-20 19:10:25
103.174.8.0/24 27,910 2026-07-24 02:25:06
103.174.9.0/24 27,572 2026-07-24 02:25:06
160.250.220.0/23 25 2026-05-29 17:58:53
160.250.221.0/24 25 2026-05-29 17:58:53

Frequently Asked Questions

What is AS137838?

AS137838 is an Autonomous System Number assigned to CHALERNSUB PROFESSIONAL NETWORK CO.,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 AS137838 announce?

AS137838 announces 768 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Laos.

Who operates AS137838?

AS137838 is operated by CHALERNSUB PROFESSIONAL NETWORK CO.,LTD.. The organization is based in Laos. You can view all IP ranges and related ASNs on the organization page.

What country is AS137838 registered in?

AS137838 is registered in Laos. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 02:55:31 UTC
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