ResearchRouting table, RPKI, IRR & looking glass

AS53266 DFN Systems

AS53266 (DFNSYSRSWL) is registered to DFN Systems in US. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
3,072
IPv4 addresses
100%
RPKI valid

Who holds AS53266

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

AS number
AS53266
Handle
DFNSYSRSWL
Organization
DFN Systems
Country
US
ASPA
None published

What AS53266 announces

Prefixes originated by AS53266 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
0
IPv4 addresses
3,072 (12 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS53266
4
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS53266 is reached through

The AS just before AS53266 in the paths our looking glass collectors hold, for 2 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
ARINSTRAIGHTSHOTMNT-GREEN-158

Route objects with origin AS53266: ARIN 4 · RADB 4 · LEVEL3 2

as-sets that list AS53266 (8)