ResearchRouting table, RPKI, IRR & looking glass

AS27883 Universidad Tecnologica Nacional

AS27883 (AS27883) is registered to Universidad Tecnologica Nacional in AR. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
8,192
IPv4 addresses
100%
RPKI valid

Who holds AS27883

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS27883
Handle
AS27883
Organization
Universidad Tecnologica Nacional
Country
AR
ASPA
None published

What AS27883 announces

Prefixes originated by AS27883 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
1
IPv4 addresses
8,192 (32 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS27883
2
With an IRR route object
2 50%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (3)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS27883 is reached through

The AS just before AS27883 in the paths our looking glass collectors hold, for 4 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
LACNICAS27883MNT-AR-UTNA2-LACNIC

Route objects with origin AS27883: LACNIC 2

as-sets that list AS27883 (8)