Network · AS18101

AS18101 Reliance Communications Limited

AS18101 (Reliance Communications Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18101

  • OwnerReliance Communications Limited
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses530,176
  • IPv4 ranges19
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 220.226.0.0/15
  • 115.248.0.0/15
  • 220.225.0.0/16
  • 124.124.0.0/16
  • 115.254.0.0/16
  • 115.252.0.0/16
  • 202.138.124.0/22
  • 202.138.112.0/22
  • 220.224.134.0/23
  • 202.138.96.0/23
  • 202.138.122.0/23
  • 202.138.110.0/23

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS18101 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 AS18101

Is AS18101 a datacenter or VPN network?

AS18101 (Reliance Communications Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18101?

AS18101 is registered to Reliance Communications Limited. It announces about 530,176 IPv4 addresses.

How do I detect traffic from AS18101?

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.