ResearchRouting table, RPKI, IRR & looking glass

AS19896 Albro Holdings LLC

AS19896 (AS-ALBROHOLDINGS-1) is registered to Albro Holdings LLC in US. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
256
IPv4 addresses
50%
RPKI valid

Who holds AS19896

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

AS number
AS19896
Handle
AS-ALBROHOLDINGS-1
Organization
Albro Holdings LLC
Country
US
ASPA
4 providers

What AS19896 announces

Prefixes originated by AS19896 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
256 (1 /24s)
RPKI valid
1 50%
RPKI invalid
0
RPKI not found
1
ROAs naming AS19896
1
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS19896 is reached through

The AS just before AS19896 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS19896 publishes an ASPA naming these providers. Check a path.

Routing registry objects

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