ResearchRouting table, RPKI, IRR & looking glass

AS131921 GMO GlobalSign Holdings K.K.

AS131921 (GMOCL) is registered to GMO GlobalSign Holdings K.K. in JP. It originates 68 prefixes in the global routing table.

55
IPv4 prefixes
13
IPv6 prefixes
92,928
IPv4 addresses
100%
RPKI valid

Who holds AS131921

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

AS number
AS131921
Handle
GMOCL
Organization
GMO GlobalSign Holdings K.K.
Country
JP
ASPA
None published

What AS131921 announces

Prefixes originated by AS131921 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
55
IPv6 prefixes
13
IPv4 addresses
92,928 (363 /24s)
RPKI valid
68 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS131921
20
With an IRR route object
68 100%

Who AS131921 is reached through

The AS just before AS131921 in the paths our looking glass collectors hold, for 60 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.