Network · AS26557

AS26557 Carleton College

AS26557 (Carleton College) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS26557

OwnerCarleton College
KindInternet service provider
Servers, not peopleno
IPv4 addresses24,576
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

137.22.64.0/19
137.22.192.0/19
137.22.0.0/19

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

Check an IP address →

Detect it in code

Spot AS26557 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 AS26557

Is AS26557 a datacenter or VPN network?

AS26557 (Carleton College) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS26557?

AS26557 is registered to Carleton College. It announces about 24,576 IPv4 addresses.

How do I detect traffic from AS26557?

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.