Network · AS1280

AS1280 Internet Systems Consortium, Inc.

AS1280 (Internet Systems Consortium, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1280

OwnerInternet Systems Consortium, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses23,296
IPv4 ranges20
IPv6 ranges31

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

149.20.32.0/20
149.20.16.0/20
204.152.184.0/21
149.20.80.0/21
149.20.72.0/21
149.20.48.0/21
149.20.92.0/22
149.20.60.0/22
149.20.12.0/22
149.20.90.0/23
149.20.64.0/23
149.20.6.0/23

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

Check an IP address →

Detect it in code

Spot AS1280 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 AS1280

Is AS1280 a datacenter or VPN network?

AS1280 (Internet Systems Consortium, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1280?

AS1280 is registered to Internet Systems Consortium, Inc.. It announces about 23,296 IPv4 addresses.

How do I detect traffic from AS1280?

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.