SUBNET.IM

AS27981Universidad Nacional de Mar del Plata

ArgentinaRegistryLACNIC

At a glance

IPv4 prefixes

6

IPv6 prefixes

0

IPv4 addresses

1.5k

IPv6 /64s

0

Upstream graph

The networks AS27981 is seen behind, one and two hops out, drawn from real AS paths.

AS27981Toward the internet core
Upstream graph for AS27981: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS27981Universidad Nacio…This networkAS4270Red de Interconex…AS11664Techtel LMDS Comu…AS52403CABASE Camara Arg…AS7303Telecom Argentina…AS10834Telefonica de Arg…AS701Verizon BusinessAS6762Telecom Italia Sp…AS6939Hurricane Electri…AS52376Camara Argentina …

Networks observed one and two hops upstream of AS27981 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS27981
NetworkCountryRelationshipPathsVantage pts
AS11664Techtel LMDS Comunicaciones Interactivas S.A.ARPeer42671
AS52403CABASE Camara Arg de Base de Datos y Serv en LineaARPeer305
AS4270Red de Interconexion UniversitariaARPeer183

Prefixes

The largest blocks AS27981 originates, widest first.

Largest prefixes originated by AS27981
PrefixAddressesVisibility
170.80.24.0/2425679/80
170.80.25.0/2425679/80
170.80.26.0/2425679/80
170.80.27.0/2425679/80
200.0.182.0/2425679/80
200.0.183.0/2425679/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.