ResearchRouting table, RPKI, IRR & looking glass

AS18142 KISTEM Co., Ltd.

AS18142 (BIWALOBE) is registered to KISTEM Co., Ltd. in JP. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
12,288
IPv4 addresses
0%
RPKI valid

Who holds AS18142

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

AS number
AS18142
Handle
BIWALOBE
Organization
KISTEM Co., Ltd.
Country
JP
ASPA
None published

What AS18142 announces

Prefixes originated by AS18142 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
0
IPv4 addresses
12,288 (48 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS18142
0
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 AS18142 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 2 upstreams.

Who buys transit from AS18142

None seen: AS18142 does not appear to provide transit to anyone.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
APNICBIWALOBEMAINT-JPNIC
NTTCOMBIWALOBEMAINT-AS18142

Route objects with origin AS18142: NTTCOM 14

as-sets that list AS18142 (4)