ResearchRouting table, RPKI, IRR & looking glass

AS19389 GOLUB CORPORATION

AS19389 (GOLUB) is registered to GOLUB CORPORATION in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
66%
RPKI valid

Who holds AS19389

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

AS number
AS19389
Handle
GOLUB
Organization
GOLUB CORPORATION
Country
US
ASPA
None published

What AS19389 announces

Prefixes originated by AS19389 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
0
IPv4 addresses
768 (3 /24s)
RPKI valid
2 66%
RPKI invalid
0
RPKI not found
1
ROAs naming AS19389
2
With an IRR route object
3 100%

Announced prefixes

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

IPv4 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS19389 is reached through

The AS just before AS19389 in the paths our looking glass collectors hold, for 3 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
RADBRoadRunnerMAINT-RR

Route objects with origin AS19389: RADB 4

as-sets that list AS19389 (10)