ResearchRouting table, RPKI, IRR & looking glass

AS10000 Nagasaki Cable Media Inc.

AS10000 (NCM) is registered to Nagasaki Cable Media Inc. in JP. It originates 21 prefixes in the global routing table.

20
IPv4 prefixes
1
IPv6 prefixes
73,728
IPv4 addresses
100%
RPKI valid

Who holds AS10000

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

AS number
AS10000
Handle
NCM
Organization
Nagasaki Cable Media Inc.
Country
JP
ASPA
None published

What AS10000 announces

Prefixes originated by AS10000 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
20
IPv6 prefixes
1
IPv4 addresses
73,728 (288 /24s)
RPKI valid
21 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS10000
21
With an IRR route object
21 100%

Who AS10000 is reached through

The AS just before AS10000 in the paths our looking glass collectors hold, for 21 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.