Network · AS7557

AS7557 Korea Trade Network

AS7557 (Korea Trade Network) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS7557

OwnerKorea Trade Network
KindInternet service provider
Servers, not peopleno
IPv4 addresses94,208
IPv4 ranges9
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

203.242.128.0/17
211.37.192.0/19
210.217.128.0/19
210.205.64.0/19
210.181.192.0/19
210.111.192.0/19
210.102.64.0/19
203.233.192.0/19
203.233.224.0/20

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS7557 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'

import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])

const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);

Questions

About AS7557

Is AS7557 a datacenter or VPN network?

AS7557 (Korea Trade Network) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS7557?

AS7557 is registered to Korea Trade Network. It announces about 94,208 IPv4 addresses.

How do I detect traffic from AS7557?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.