ResearchRouting table, RPKI, IRR & looking glass

AS12145 Colorado State University

AS12145 (COLORADOSTATEUNIV) is registered to Colorado State University in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
81,920
IPv4 addresses
100%
RPKI valid

Who holds AS12145

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

AS number
AS12145
Handle
COLORADOSTATEUNIV
Organization
Colorado State University
Country
US
ASPA
None published

What AS12145 announces

Prefixes originated by AS12145 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
81,920 (320 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS12145
3
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 AS12145 is reached through

The AS just before AS12145 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.

Provider authorization

AS12145 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS12145 as a provider

Routing registry objects

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

Sourceas-nameMaintained by
RADBCOLORADOSTATEUNIVMAINT-AS14041

Route objects with origin AS12145: RADB 9 · ARIN 2

as-sets that list AS12145 (5)