ResearchRouting table, RPKI, IRR & looking glass

AS23719 University of Sydney

AS23719 (USYD-AS-AP) is registered to University of Sydney in AU. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
65,536
IPv4 addresses
0%
RPKI valid

Who holds AS23719

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

AS number
AS23719
Handle
USYD-AS-AP
Organization
University of Sydney
Country
AU
ASPA
None published

What AS23719 announces

Prefixes originated by AS23719 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
65,536 (256 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS23719
1
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS23719 is reached through

The AS just before AS23719 in the paths our looking glass collectors hold, for 1 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
APNICUSYD-AS-APAPNIC-HM

Route objects with origin AS23719: RADB 7 · APNIC 1

as-sets that list AS23719 (5)