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The North Atlantic Treaty Organization logo

The North Atlantic Treaty Organization

🇧🇪 Belgium

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

AS1837

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

RIPE

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

government

Website

nato.int

Related ASNs have the same name or website. Related

AS214445 AS21489

IPv4 CIDRs

2

IPv4 addresses

512

IPv6 CIDRs

0

IPv6 addresses

0

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

AS21489 The North Atlantic Treaty Organization logo The North Atlantic Treaty Organization
AS1103 SURF B.V. logo SURF B.V.

Peers are networks that exchange traffic with this ASN. Peers (2)

AS1103 SURF B.V. logo SURF B.V.
AS21489 The North Atlantic Treaty Organization logo The North Atlantic Treaty Organization

IPv4 CIDRs (2)

91.223.21.0/24
192.41.140.0/24

IPv6 CIDRs (0)

Location

City

-

Country

🇧🇪 Belgium

Coordinates

50.503887, 4.469936

Timezone

-

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

whois

Abuse

Email

ncirctc@ncirc.nato.int

Phone

-

Query via the API View API documentation 

curl iplib.re/AS1837

JSON response

{
  "network": {
    "rir": "RIPE",
    "asn": 1837,
    "name": "The North Atlantic Treaty Organization",
    "type": "government",
    "website": "nato.int",
    "related": [
      214445,
      21489
    ]
  },
  "connectivity": {
    "upstreams": [
      21489,
      1103
    ],
    "peers": [
      1103,
      21489
    ]
  },
  "location": {
    "latitude": 50.503887,
    "longitude": 4.469936,
    "country": "BE",
    "source": "whois"
  },
  "abuse": {
    "email": "ncirctc@ncirc.nato.int"
  },
  "ipv4": {
    "ranges": [
      "91.223.21.0/24",
      "192.41.140.0/24"
    ],
    "cidrs": 2,
    "ips": 512
  },
  "ipv6": {
    "ranges": [],
    "cidrs": 0,
    "ips": 0
  }
}