Network · AS23381

AS23381 Travelers Property Casualty Corp.

AS23381 (Travelers Property Casualty Corp.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS23381

  • OwnerTravelers Property Casualty Corp.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses7,680
  • IPv4 ranges15
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.202.88.0/21
  • 170.202.64.0/22
  • 170.202.86.0/23
  • 170.202.206.0/23
  • 170.202.188.0/23
  • 170.202.184.0/23
  • 170.202.182.0/23
  • 170.202.80.0/24
  • 170.202.78.0/24
  • 170.202.72.0/24
  • 170.202.203.0/24
  • 170.202.191.0/24

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

Check an IP address →

Detect it in code

Spot AS23381 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 AS23381

Is AS23381 a datacenter or VPN network?

AS23381 (Travelers Property Casualty Corp.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS23381?

AS23381 is registered to Travelers Property Casualty Corp.. It announces about 7,680 IPv4 addresses.

How do I detect traffic from AS23381?

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.