IPLibre logo IPLibre

Search any IP address or ASN

Enter an IPv4, IPv6, or ASN to retrieve geolocation, network, company, privacy and abuse details. You can also query it via the API or download the database.

or  bulk search
Washington University logo

Washington University

🇺🇸 United States

The ASN (Autonomous System Number) is a unique number assigned to an autonomous system, used to identify the network. ASN

AS2552

The RIR (Regional Internet Registry) is the organization responsible for managing ASN allocation in a specific region. RIR

ARIN

The type of ASN. Can be business, isp, hosting, government, or education. Type

education

Website

wustl.edu

Related ASNs have the same name or website. Related

-

IPv4 CIDRs

3

IPv4 addresses

73984

IPv6 CIDRs

2

IPv6 addresses

2

Upstreams are networks that provide transit to this ASN. Upstreams (2)

AS3356 Lumen (Level 3) logo Lumen (Level 3)
AS174 Cogent Communications logo Cogent Communications

Peers are networks that exchange traffic with this ASN. Peers (4)

AS3356 Lumen (Level 3) logo Lumen (Level 3)
AS14907 Wikimedia Foundation Inc. logo Wikimedia Foundation Inc.
AS11537 Internet2 logo Internet2
AS174 Cogent Communications logo Cogent Communications

Location

City

St. Louis

Country

🇺🇸 United States

Coordinates

38.62727, -90.19789

Timezone

America/Chicago

We transparently share the source used to determine a likely location for this IP address. Source

whois

Abuse

Email

WashU_IT-SI_SOCCommandCenter@email.wustl.edu

Phone

+1-314-935-7048

Query via the API View API documentation

curl iplib.re/AS2552

JSON response

{
  "network": {
    "rir": "ARIN",
    "asn": 2552,
    "name": "Washington University",
    "type": "education",
    "website": "wustl.edu"
  },
  "connectivity": {
    "upstreams": [
      3356,
      174
    ],
    "peers": [
      3356,
      14907,
      11537,
      174
    ]
  },
  "location": {
    "latitude": 38.62727,
    "longitude": -90.19789,
    "country": "US",
    "city": "St. Louis",
    "source": "whois",
    "timezone": "America/Chicago"
  },
  "abuse": {
    "email": "WashU_IT-SI_SOCCommandCenter@email.wustl.edu",
    "phone": "+1-314-935-7048"
  },
  "ipv4": {
    "ranges": [
      "65.254.96.0/19",
      "128.252.0.0/16",
      "192.31.46.0/24"
    ],
    "cidrs": 3,
    "ips": 73984
  },
  "ipv6": {
    "ranges": [
      "2604:3e00::/32",
      "2606:fd80::/32"
    ],
    "cidrs": 2,
    "ips": 2
  }
}