AS40189 LIGO Livingston Observatory

LLO-CALTECH - LIGO Livingston Observatory · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#7,914largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#35,461of 79,396 networks with IPv4

IPv616 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS40189 in ASN lookup Look up an IP in this network (208.69.128.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

208.69.128.0/22

IPv6 prefixes

All 1 prefix.

2607:f390:3ff0::/44

Other ASNs named LIGO Livingston Observatory

1 other network uses the same organisation name; together with AS40189 they announce 2,048 IPv4 addresses.

ASNNameIPv4 addresses

AS14940LIGO-HANFORD-OBSERVATORY - LIGO Livingston Observatory US1,024

Similar-sized networks in United States

ASNNameIPv4 addresses

AS17103#7911 JRC-NETWORK-SERVICES - Jensen Research Corporation1,024

AS22414#7912 CRAIGS-NET-1 - Craigslist, Inc.1,024

AS26679#7913 HELIACAL - Heliacal Networks1,024

AS53988#7915 DIGIDESERT - Digi Desert LLC1,024

AS393507#7916 GUSHISYS - Gush I Systems1,024

AS400968#7917 HOSTRAM - HOSTRAM1,024

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