Network · AS397285

AS397285 Cambridge Telephone

AS397285 (Cambridge Telephone) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS397285

OwnerCambridge Telephone
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,816
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

45.33.208.0/21
45.33.223.0/24
45.33.220.0/24
45.33.216.0/24

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

Check an IP address →

Detect it in code

Spot AS397285 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 AS397285

Is AS397285 a datacenter or VPN network?

AS397285 (Cambridge Telephone) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS397285?

AS397285 is registered to Cambridge Telephone. It announces about 2,816 IPv4 addresses.

How do I detect traffic from AS397285?

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.