ResearchRouting table, RPKI, IRR & looking glass

AS18126 Chubu Telecommunications Company, Inc.

AS18126 (CTCX) is registered to Chubu Telecommunications Company, Inc. in JP. It originates 65 prefixes in the global routing table.

63
IPv4 prefixes
2
IPv6 prefixes
1,505,536
IPv4 addresses
60%
RPKI valid

Who holds AS18126

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

AS number
AS18126
Handle
CTCX
Organization
Chubu Telecommunications Company, Inc.
Country
JP
ASPA
None published

What AS18126 announces

Prefixes originated by AS18126 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
63
IPv6 prefixes
2
IPv4 addresses
1,505,536 (5,881 /24s)
RPKI valid
39 60%
RPKI invalid
0
RPKI not found
26
ROAs naming AS18126
30
With an IRR route object
65 100%

Who AS18126 is reached through

The AS just before AS18126 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.