Network · AS21678

AS21678 XPO Supply Chain, Inc.

AS21678 (XPO Supply Chain, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21678

OwnerXPO Supply Chain, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,816
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

74.119.104.0/21
170.76.218.0/23
208.229.219.0/24

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

Check an IP address →

Detect it in code

Spot AS21678 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 AS21678

Is AS21678 a datacenter or VPN network?

AS21678 (XPO Supply Chain, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21678?

AS21678 is registered to XPO Supply Chain, Inc.. It announces about 2,816 IPv4 addresses.

How do I detect traffic from AS21678?

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.