AS21578 Universidad autonoma de Bucaramanga

AS21578 - Universidad autonoma de Bucaramanga · registered in Colombia

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Colombia#233largest network in CO by IPv4 space, of 356 · <0.01% of CO

Rank worldwide#50,271of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryColombia430 ASNs registered there

Open AS21578 in ASN lookup Look up an IP in this network (181.119.254.1) All networks in Colombia

IPv4 prefixes

All 2 prefixes, in address order.

181.119.254.0/24
190.68.254.0/24

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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