Network · AS139855

AS139855 BIT(Brother Internet Technology),INC.

AS139855 (BIT(Brother Internet Technology),INC.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139855

OwnerBIT(Brother Internet Technology),INC.
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.183.246.0/24
103.163.121.0/24

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

Check an IP address →

Detect it in code

Spot AS139855 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 AS139855

Is AS139855 a datacenter or VPN network?

AS139855 (BIT(Brother Internet Technology),INC.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139855?

AS139855 is registered to BIT(Brother Internet Technology),INC.. It announces about 512 IPv4 addresses.

How do I detect traffic from AS139855?

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.