ResearchRouting table, RPKI, IRR & looking glass

AS17055 University of Utah

AS17055 (UTAH) is registered to University of Utah in US. It originates 18 prefixes in the global routing table.

17
IPv4 prefixes
1
IPv6 prefixes
393,984
IPv4 addresses
11%
RPKI valid

Who holds AS17055

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

AS number
AS17055
Handle
UTAH
Organization
University of Utah
Country
US
ASPA
None published

What AS17055 announces

Prefixes originated by AS17055 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
17
IPv6 prefixes
1
IPv4 addresses
393,984 (1,539 /24s)
RPKI valid
2 11%
RPKI invalid
0
RPKI not found
16
ROAs naming AS17055
4
With an IRR route object
17 94%

Announced prefixes

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

Who AS17055 is reached through

The AS just before AS17055 in the paths our looking glass collectors hold, for 18 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.

Route objects with origin AS17055: RADB 25 · LEVEL3 2

as-sets that list AS17055 (5)