The North Atlantic Treaty Organization

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

ASN	1837
Name	NCIA
Organization	The North Atlantic Treaty Organization
Country	European Union
Registry	ARIN

IPv4 addresses	256
IPv6 /64 networks	0
Prefixes	1

IPv4 Prefixes for AS1837

Network		Location	Addresses
192.41.140.0/24	The North Atlantic Treaty Organization	Amsterdam	256