ResearchRouting table, RPKI, IRR & looking glass

AS20452 BALL STATE UNIVERSITY

AS20452 (BSU) is registered to BALL STATE UNIVERSITY in US. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
66,304
IPv4 addresses
50%
RPKI valid

Who holds AS20452

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

AS number
AS20452
Handle
BSU
Organization
BALL STATE UNIVERSITY
Country
US
ASPA
None published

What AS20452 announces

Prefixes originated by AS20452 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
66,304 (259 /24s)
RPKI valid
2 50%
RPKI invalid
1
RPKI not found
1
ROAs naming AS20452
2
With an IRR route object
3 75%

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 AS20452 is reached through

The AS just before AS20452 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
RADBASN-BSUMAINT-IU

Route objects with origin AS20452: RADB 5 · ARIN 2

as-sets that list AS20452 (7)