Network · AS29903

AS29903 Washington Research Library Consortium

AS29903 (Washington Research Library Consortium) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS29903

OwnerWashington Research Library Consortium
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,304
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

198.91.32.0/22
198.91.36.0/23
198.91.41.0/24
198.91.38.0/24
192.245.136.0/24

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

Check an IP address →

Detect it in code

Spot AS29903 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 AS29903

Is AS29903 a datacenter or VPN network?

AS29903 (Washington Research Library Consortium) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS29903?

AS29903 is registered to Washington Research Library Consortium. It announces about 2,304 IPv4 addresses.

How do I detect traffic from AS29903?

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.