Network · AS42358

AS42358 PJSC Rostelecom

AS42358 (PJSC Rostelecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42358

OwnerPJSC Rostelecom
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,096
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

77.72.136.0/21
46.255.96.0/21

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

Check an IP address →

Detect it in code

Spot AS42358 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 AS42358

Is AS42358 a datacenter or VPN network?

AS42358 (PJSC Rostelecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42358?

AS42358 is registered to PJSC Rostelecom. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS42358?

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.