ResearchRouting table, RPKI, IRR & looking glass

AS137904 Black & Veatch (SEA) PTE LTD

AS137904 (BVPL-AS-AP) is registered to Black & Veatch (SEA) PTE LTD in SG. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
3,840
IPv4 addresses
0%
RPKI valid

Who holds AS137904

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

AS number
AS137904
Handle
BVPL-AS-AP
Organization
Black & Veatch (SEA) PTE LTD
Country
SG
ASPA
None published

What AS137904 announces

Prefixes originated by AS137904 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
3,840 (15 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS137904
0
With an IRR route object
1 20%

Announced prefixes

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

IPv4 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS137904 is reached through

The AS just before AS137904 in the paths our looking glass collectors hold, for 5 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
APNICBVPL-AS-APAPNIC-HM

Route objects with origin AS137904: NTTCOM 2

as-sets that list AS137904 (6)