ResearchRouting table, RPKI, IRR & looking glass

AS47509 Wai-Wah Tang

AS47509 (WT70-AS) is registered to Wai-Wah Tang in GB. It originates 12 prefixes in the global routing table.

0
IPv4 prefixes
12
IPv6 prefixes
100%
RPKI valid

Who holds AS47509

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

AS number
AS47509
Handle
WT70-AS
Organization
Wai-Wah Tang
Country
GB
ASPA
3 providers

What AS47509 announces

Prefixes originated by AS47509 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
0
IPv6 prefixes
12
RPKI valid
12 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS47509
3
With an IRR route object
12 100%

Announced prefixes

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

Who AS47509 is reached through

The AS just before AS47509 in the paths our looking glass collectors hold, for 12 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS47509 publishes an ASPA naming these providers. Check a path.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEWT70-ASRIPE-NCC-END-MNT, TANG-MNT

Route objects with origin AS47509: RIPE 19

as-sets that list AS47509 (6)