ResearchRouting table, RPKI, IRR & looking glass

AS37501 University of the Free State

AS37501 is registered to University of the Free State in ZA. It originates 13 prefixes in the global routing table.

11
IPv4 prefixes
2
IPv6 prefixes
198,656
IPv4 addresses
53%
RPKI valid

Who holds AS37501

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

AS number
AS37501
Handle
University of the Free State
Organization
University of the Free State
Country
ZA
ASPA
None published

What AS37501 announces

Prefixes originated by AS37501 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
11
IPv6 prefixes
2
IPv4 addresses
198,656 (776 /24s)
RPKI valid
7 53%
RPKI invalid
0
RPKI not found
6
ROAs naming AS37501
7
With an IRR route object
2 15%

Announced prefixes

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

Who AS37501 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 1 upstream.

Who buys transit from AS37501

None seen: AS37501 does not appear to provide transit to anyone.

Routing registry objects

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

Sourceas-nameMaintained by
AFRINICUOFSAFRINIC-HM-MNT
ALTDBUFS-37501MAINT-AS2018

Route objects with origin AS37501: AFRINIC 2 · ALTDB 2

as-sets that list AS37501 (4)