AS27876 American Data Networks

AS27876 - American Data Networks · registered in Costa Rica

IPv4 addresses13,5687 prefixes · <0.001% of announced IPv4

Rank in Costa Rica#7largest network in CR by IPv4 space, of 82 · 0.62% of CR

Rank worldwide#7,736of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCosta Rica85 ASNs registered there

Open AS27876 in ASN lookup Look up an IP in this network (38.19.109.1) All networks in Costa Rica

IPv4 prefixes

All 7 prefixes, in address order.

38.19.109.0/24
38.87.230.0/24
143.255.29.0/24
143.255.31.0/24
186.5.160.0/20
190.7.192.0/19
198.57.8.0/24

Similar-sized networks in Costa Rica

ASNNameIPv4 addresses

AS3790#4 AS3790 - RADIOGRAFICA COSTARRICENSE122,112

AS263683#5 AS263683 - Universidad de Costa Rica41,728

AS52263#6 AS52263 - Telecable Economico S.A.37,120

AS262202#8 AS262202 - Telefonica de Costa Rica TC, SA11,264

AS28110#9 AS28110 - NAVEGALO S.A.10,752

AS28086#10 AS28086 - Worldcom de Costa Rica, S.A.10,240

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