ResearchRouting table, RPKI, IRR & looking glass

AS55897 SAKURA Internet Inc.

AS55897 (SAKURA-F) is registered to SAKURA Internet Inc. in JP. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
4,352
IPv4 addresses
100%
RPKI valid

Who holds AS55897

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

AS number
AS55897
Handle
SAKURA-F
Organization
SAKURA Internet Inc.
Country
JP
ASPA
None published

What AS55897 announces

Prefixes originated by AS55897 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
4,352 (17 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS55897
2
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 AS55897 is reached through

The AS just before AS55897 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
JPIRRSAKURA-FMAINT-AS7684
RADBSAKURA-FMAINT-AS7684

Route objects with origin AS55897: JPIRR 2 · RADB 2

as-sets that list AS55897 (9)