Network · AS21853

AS21853 New Brunswick Power Corporation

AS21853 (New Brunswick Power Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21853

OwnerNew Brunswick Power Corporation
KindInternet service provider
Servers, not peopleno
IPv4 addresses65,024
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

155.3.0.0/17
155.3.128.0/18
155.3.192.0/19
155.3.224.0/20
155.3.248.0/21
155.3.244.0/22
155.3.242.0/23

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

Check an IP address →

Detect it in code

Spot AS21853 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 AS21853

Is AS21853 a datacenter or VPN network?

AS21853 (New Brunswick Power Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21853?

AS21853 is registered to New Brunswick Power Corporation. It announces about 65,024 IPv4 addresses.

How do I detect traffic from AS21853?

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.