AS68 Los Alamos National Laboratory

LANL-NM - Los Alamos National Laboratory · registered in the United States

IPv4 addresses328,4488 prefixes · 0.010% of announced IPv4

Rank in United States#214largest network in US by IPv4 space, of 18,338 · 0.02% of US

Rank worldwide#755of 79,396 networks with IPv4

IPv6255 x /488 prefixes

CountryUnited States18,679 ASNs registered there

Open AS68 in ASN lookup Look up an IP in this network (128.165.0.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

128.165.0.0/16
130.55.0.0/16
138.98.0.0/16
141.111.0.0/16
192.12.184.0/24
192.52.70.0/24
192.65.95.0/24
204.121.0.0/16

IPv6 prefixes

All 8 prefixes.

2620:126:4000::/46
2620:126:4004::/48
2620:126:4006::/47
2620:126:4008::/45
2620:126:4010::/44
2620:126:4020::/43
2620:126:4040::/42
2620:126:4080::/41

Other ASNs named Los Alamos National Laboratory

1 other network uses the same organisation name; together with AS68 they announce 328,704 IPv4 addresses.

ASNNameIPv4 addresses

AS1829LANL-NV - Los Alamos National Laboratory US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS35916#211 MULTA-ASN1 - MULTACOM CORPORATION329,727

AS32475#212 SINGLEHOP-LLC - Internap Holding LLC329,216

AS52#213 UCLA - University of California, Los Angeles328,968

AS6289#215 AHM-CORP - American Honda Motor Company, Inc.328,448

AS217#216 UMN-SYSTEM - University of Minnesota325,632

AS3527#217 NIH-NET - National Institutes of Health324,608

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