ResearchRouting table, RPKI, IRR & looking glass

AS137764 Beijing Youkai Technology Co.Ltd

AS137764 (Youkai) is registered to Beijing Youkai Technology Co.Ltd in CN. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
768
IPv4 addresses
100%
RPKI valid

Who holds AS137764

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

AS number
AS137764
Handle
Youkai
Organization
Beijing Youkai Technology Co.Ltd
Country
CN
ASPA
None published

What AS137764 announces

Prefixes originated by AS137764 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
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS137764
4
With an IRR route object
0 0%

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 AS137764 is reached through

The AS just before AS137764 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
APNICYoukaiMAINT-CNNIC-AP
as-sets that list AS137764 (1)