ResearchRouting table, RPKI, IRR & looking glass

AS131958 Tama Cable Network Co.,Ltd.

AS131958 (t-net) is registered to Tama Cable Network Co.,Ltd. in JP. It originates 7 prefixes in the global routing table.

6
IPv4 prefixes
1
IPv6 prefixes
26,112
IPv4 addresses
100%
RPKI valid

Who holds AS131958

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

AS number
AS131958
Handle
t-net
Organization
Tama Cable Network Co.,Ltd.
Country
JP
ASPA
None published

What AS131958 announces

Prefixes originated by AS131958 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
1
IPv4 addresses
26,112 (102 /24s)
RPKI valid
7 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS131958
8
With an IRR route object
7 100%

Announced prefixes

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

Who AS131958 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 10 upstreams.

Who buys transit from AS131958

None seen: AS131958 does not appear to provide transit to anyone.