ResearchRouting table, RPKI, IRR & looking glass

AS33091 University of Calgary

AS33091 (U-CALGARY) is registered to University of Calgary in CA. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
66,048
IPv4 addresses
66%
RPKI valid

Who holds AS33091

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

AS number
AS33091
Handle
U-CALGARY
Organization
University of Calgary
Country
CA
ASPA
None published

What AS33091 announces

Prefixes originated by AS33091 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
66,048 (258 /24s)
RPKI valid
2 66%
RPKI invalid
0
RPKI not found
1
ROAs naming AS33091
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 AS33091 is reached through

The AS just before AS33091 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.

Routing registry objects

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

Sourceas-nameMaintained by
CANARIEAS33091CYBERA-AB-MNT

Route objects with origin AS33091: ARIN 3 · CANARIE 3

as-sets that list AS33091 (3)