ResearchRouting table, RPKI, IRR & looking glass

AS17939 miyazaki cabletelevision network Co.,LTD

AS17939 (MCN-NET01) is registered to miyazaki cabletelevision network Co.,LTD in JP. It originates 11 prefixes in the global routing table.

10
IPv4 prefixes
1
IPv6 prefixes
71,680
IPv4 addresses
0%
RPKI valid

Who holds AS17939

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

AS number
AS17939
Handle
MCN-NET01
Organization
miyazaki cabletelevision network Co.,LTD
Country
JP
ASPA
None published

What AS17939 announces

Prefixes originated by AS17939 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
10
IPv6 prefixes
1
IPv4 addresses
71,680 (280 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
11
ROAs naming AS17939
0
With an IRR route object
11 100%

Announced prefixes

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

Who AS17939 is reached through

The AS just before AS17939 in the paths our looking glass collectors hold, for 11 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
APNICMCN-NET01MAINT-JPNIC
JPIRRMCN-NET01MAINT-AS17939
RADBMCN-NET01MAINT-AS17939

Route objects with origin AS17939: JPIRR 11 · RADB 10

as-sets that list AS17939 (11)