ResearchRouting table, RPKI, IRR & looking glass

AS11257 University of Lethbridge

AS11257 (UNIVERSITY-LETHBRIDGE) is registered to University of Lethbridge in CA. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
65,536
IPv4 addresses
100%
RPKI valid

Who holds AS11257

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

AS number
AS11257
Handle
UNIVERSITY-LETHBRIDGE
Organization
University of Lethbridge
Country
CA
ASPA
None published

What AS11257 announces

Prefixes originated by AS11257 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
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS11257
2
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 AS11257 is reached through

The AS just before AS11257 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
CANARIEUNIVERSITY-LETHBRIDGECYBERA-AB-MNT

Route objects with origin AS11257: CANARIE 3 · ARIN 2 · RADB 1

as-sets that list AS11257 (4)