Network · AS21077

AS21077 Specialist Computer Centres Plc

AS21077 (Specialist Computer Centres Plc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21077

  • OwnerSpecialist Computer Centres Plc
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses6,400
  • IPv4 ranges6
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 80.86.32.0/20
  • 185.106.220.0/22
  • 185.98.180.0/23
  • 193.24.28.0/24
  • 185.98.182.0/24
  • 185.148.4.0/24

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

Check an IP address →

Detect it in code

Spot AS21077 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 AS21077

Is AS21077 a datacenter or VPN network?

AS21077 (Specialist Computer Centres Plc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21077?

AS21077 is registered to Specialist Computer Centres Plc. It announces about 6,400 IPv4 addresses.

How do I detect traffic from AS21077?

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.