AS377 Sandia National Laboratories

SNLA-NET-AS - Sandia National Laboratories · registered in the United States

IPv4 addresses137,7289 prefixes · 0.004% of announced IPv4

Rank in United States#442largest network in US by IPv4 space, of 18,338 · 0.01% of US

Rank worldwide#1,424of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS377 in ASN lookup Look up an IP in this network (132.175.0.1) All networks in United States

IPv4 prefixes

All 9 prefixes, in address order.

132.175.0.0/16
134.253.0.0/16
192.160.227.0/24
198.102.151.0/24
198.102.152.0/22
198.178.168.0/23
198.178.170.0/24
198.206.223.0/24
205.137.80.0/20

IPv6 prefixes

All 1 prefix.

2620:106:6008::/48

Other ASNs named Sandia National Laboratories

2 other networks use the same organisation name; together with AS377 they announce 270,592 IPv4 addresses.

ASNNameIPv4 addresses

AS3562SNLL-NET-AS - Sandia National Laboratories US132,608

AS393399SNL-KTF - Sandia National Laboratories US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS21976#439 NJEDGE-NET - NJEDge.Net, Inc.139,008

AS62874#440 WEB2OBJECTS - Web2Objects LLC139,008

AS26934#441 UNIVERSITY-OF-MISSOURI---COLUMBIA - University of Missouri-Columbia138,496

AS88#443 PRINCETON-AS - Princeton University137,216

AS401783#444 TOKALA-COMMUNICATIONS - TOKALA COMMUNICATIONS INC.137,216

AS35#445 MITRE-AS-1 - The MITRE Corporation136,448

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