ResearchRouting table, RPKI, IRR & looking glass

AS23639 NTT Bizlink, Inc.

AS23639 (ntt-bizlink) is registered to NTT Bizlink, Inc. in JP. It originates 14 prefixes in the global routing table.

13
IPv4 prefixes
1
IPv6 prefixes
6,144
IPv4 addresses
0%
RPKI valid

Who holds AS23639

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

AS number
AS23639
Handle
ntt-bizlink
Organization
NTT Bizlink, Inc.
Country
JP
ASPA
None published

What AS23639 announces

Prefixes originated by AS23639 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
13
IPv6 prefixes
1
IPv4 addresses
6,144 (24 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
14
ROAs naming AS23639
0
With an IRR route object
14 100%

Announced prefixes

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

Who AS23639 is reached through

The AS just before AS23639 in the paths our looking glass collectors hold, for 14 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
APNICntt-bizlinkMAINT-JPNIC
JPIRRNTT-BIZLINKMAINT-AS23639
NTTCOMNTT-BIZLINKMAINT-JP-BIZLINK

Route objects with origin AS23639: JPIRR 17 · NTTCOM 4 · RADB 3

as-sets that list AS23639 (22)