ResearchRouting table, RPKI, IRR & looking glass

AS21828 Tulare County Office of Education

AS21828 (TCOE) is registered to Tulare County Office of Education in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
20,480
IPv4 addresses
0%
RPKI valid

Who holds AS21828

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

AS number
AS21828
Handle
TCOE
Organization
Tulare County Office of Education
Country
US
ASPA
None published

What AS21828 announces

Prefixes originated by AS21828 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
20,480 (80 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
3
ROAs naming AS21828
0
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 AS21828 is reached through

The AS just before AS21828 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
RADBTCOEMAINT-AS21828

Route objects with origin AS21828: RADB 3

as-sets that list AS21828 (3)