ResearchRouting table, RPKI, IRR & looking glass

AS4201 Oregon State University

AS4201 (ORST-AS) is registered to Oregon State University in US. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
65,792
IPv4 addresses
0%
RPKI valid

Who holds AS4201

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

AS number
AS4201
Handle
ORST-AS
Organization
Oregon State University
Country
US
ASPA
None published

What AS4201 announces

Prefixes originated by AS4201 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
65,792 (257 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
4
ROAs naming AS4201
0
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 AS4201 is reached through

The AS just before AS4201 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
RADBORSTMAINT-AS3701

Route objects with origin AS4201: RADB 3

as-sets that list AS4201 (6)