ResearchRouting table, RPKI, IRR & looking glass

AS53528 Sharp Electronics Corporation

AS53528 (SHARP-ASN) is registered to Sharp Electronics Corporation in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
0%
RPKI valid

Who holds AS53528

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

AS number
AS53528
Handle
SHARP-ASN
Organization
Sharp Electronics Corporation
Country
US
ASPA
None published

What AS53528 announces

Prefixes originated by AS53528 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
768 (3 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
3
ROAs naming AS53528
0
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 AS53528 is reached through

The AS just before AS53528 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
RADBSHARPMAINT-AS17378

Route objects with origin AS53528: RADB 4

as-sets that list AS53528 (4)