Network · AS398203

AS398203 MidSouth Fiber

AS398203 (MidSouth Fiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS398203

OwnerMidSouth Fiber
KindInternet service provider
Servers, not peopleno
IPv4 addresses25,600
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

146.86.128.0/18
170.117.176.0/20
169.150.144.0/20
142.202.164.0/22

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS398203 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 AS398203

Is AS398203 a datacenter or VPN network?

AS398203 (MidSouth Fiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS398203?

AS398203 is registered to MidSouth Fiber. It announces about 25,600 IPv4 addresses.

How do I detect traffic from AS398203?

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.