AS1837 The North Atlantic Treaty Organization

NCIA - The North Atlantic Treaty Organization · region code EU

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank worldwide#62,961of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryEU59 ASNs registered there

Open AS1837 in ASN lookup Look up an IP in this network (192.41.140.1)

IPv4 prefixes

All 1 prefix, in address order.

192.41.140.0/24

Similar-sized networks in None

ASNNameIPv4 addresses

AS2445#55 FR-JTM-93 - Renater512

AS1271#56 T-CNF-BBC-IPB - IDDQD-AS256

AS1732#57 MIKROK-AS - IDDQD-AS256

AS2462#59 FR-U-ANGERS - Renater256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources