ResearchRouting table, RPKI, IRR & looking glass

AS159 Ohio State University

AS159 (OSUNET-AS) is registered to Ohio State University in US. It originates 8 prefixes in the global routing table.

7
IPv4 prefixes
1
IPv6 prefixes
198,400
IPv4 addresses
0%
RPKI valid

Who holds AS159

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

AS number
AS159
Handle
OSUNET-AS
Organization
Ohio State University
Country
US
ASPA
None published

What AS159 announces

Prefixes originated by AS159 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
7
IPv6 prefixes
1
IPv4 addresses
198,400 (775 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
8
ROAs naming AS159
0
With an IRR route object
8 100%

Announced prefixes

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

Who AS159 is reached through

The AS just before AS159 in the paths our looking glass collectors hold, for 8 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
RADBOSU-AS159MAINT-AS600

Route objects with origin AS159: RADB 13

as-sets that list AS159 (4)