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Autonomous System

AS38400

Gyeonggi-do Pyongtaek Office Education

Announced IPs
2,048
CIDR prefixes
7
ASN
AS38400

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.

65/100
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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS38400 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
1.238.9.0/24 8,573 2026-07-24 15:24:52
1.238.8.0/24 8,569 2026-07-24 15:24:52
1.238.27.0/24 8,461 2026-07-24 14:54:11
59.13.128.0/24 7,027 2026-07-24 15:25:40
220.120.129.0/24 6,922 2026-07-24 15:25:40
125.246.230.0/24 6,761 2026-07-24 14:54:15
122.203.183.0/24 6,754 2026-07-24 14:54:15
122.203.188.0/24 6,751 2026-07-24 14:54:15
59.13.128.160/28 51 2026-07-23 16:49:45
59.13.128.128/28 51 2026-07-23 16:49:45
59.13.128.192/28 51 2026-07-23 16:49:45
59.13.128.144/28 51 2026-07-23 16:49:45
59.13.128.240/28 51 2026-07-23 16:49:45
59.13.128.0/28 51 2026-07-23 16:49:45
59.13.128.32/28 51 2026-07-23 16:49:45
59.13.128.224/28 51 2026-07-23 16:49:45
59.13.128.64/28 51 2026-07-23 16:49:45
59.13.128.16/28 51 2026-07-23 16:49:45
59.13.128.96/28 51 2026-07-23 16:49:45
59.13.128.48/28 51 2026-07-23 16:49:45
59.13.128.80/28 51 2026-07-23 16:49:45
59.13.128.112/28 51 2026-07-23 16:49:45
59.13.128.208/28 51 2026-07-23 16:49:45
59.13.128.176/28 51 2026-07-23 16:49:45
1.238.8.192/29 47 2026-07-23 04:29:51
1.238.8.0/28 47 2026-07-23 04:29:51
1.238.8.253/32 25 2026-07-23 04:29:51
1.238.8.254/32 25 2026-07-23 04:29:51

Frequently Asked Questions

What is AS38400?

AS38400 is an Autonomous System Number assigned to Gyeonggi-do Pyongtaek Office Education. 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 AS38400 announce?

AS38400 announces 2.0K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in South Korea.

Who operates AS38400?

AS38400 is operated by Gyeonggi-do Pyongtaek Office Education. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.

What country is AS38400 registered in?

AS38400 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 15:40:31 UTC
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