ResearchRouting table, RPKI, IRR & looking glass

AS7671 NTT SmartConnect Corporation

AS7671 (MCNET) is registered to NTT SmartConnect Corporation in JP. It originates 63 prefixes in the global routing table.

61
IPv4 prefixes
2
IPv6 prefixes
453,888
IPv4 addresses
87%
RPKI valid

Who holds AS7671

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

AS number
AS7671
Handle
MCNET
Organization
NTT SmartConnect Corporation
Country
JP
ASPA
None published

What AS7671 announces

Prefixes originated by AS7671 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
61
IPv6 prefixes
2
IPv4 addresses
453,888 (1,773 /24s)
RPKI valid
55 87%
RPKI invalid
0
RPKI not found
8
ROAs naming AS7671
34
With an IRR route object
63 100%

Who AS7671 is reached through

The AS just before AS7671 in the paths our looking glass collectors hold, for 60 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
APNICNTTSMCMAINT-JPNIC
JPIRRMCNETMAINT-AS7671
NTTCOMMCNETMAINT-AS7671

Route objects with origin AS7671: JPIRR 64 · NTTCOM 47 · RADB 6

as-sets that list AS7671 (17)