ResearchRouting table, RPKI, IRR & looking glass

AS140541 Optima

AS140541 (MSOPTIMA-AS-AP) is registered to Optima in BD. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
512
IPv4 addresses
100%
RPKI valid

Who holds AS140541

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

AS number
AS140541
Handle
MSOPTIMA-AS-AP
Organization
Optima
Country
BD
ASPA
None published

What AS140541 announces

Prefixes originated by AS140541 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
512 (2 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS140541
3
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 AS140541 is reached through

The AS just before AS140541 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
APNICMSOPTIMA-AS-APAPNIC-HM

Route objects with origin AS140541: APNIC 3

as-sets that list AS140541 (13)