ResearchRouting table, RPKI, IRR & looking glass

AS38638 Ip Core Corporation

AS38638 (IP-CORE) is registered to Ip Core Corporation in JP. It originates 26 prefixes in the global routing table.

26
IPv4 prefixes
0
IPv6 prefixes
6,656
IPv4 addresses
26%
RPKI valid

Who holds AS38638

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

AS number
AS38638
Handle
IP-CORE
Organization
Ip Core Corporation
Country
JP
ASPA
None published

What AS38638 announces

Prefixes originated by AS38638 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
26
IPv6 prefixes
0
IPv4 addresses
6,656 (26 /24s)
RPKI valid
7 26%
RPKI invalid
0
RPKI not found
19
ROAs naming AS38638
9
With an IRR route object
25 96%

Who AS38638 is reached through

The AS just before AS38638 in the paths our looking glass collectors hold, for 26 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.