ResearchRouting table, RPKI, IRR & looking glass

AS4665 Yonsei University

AS4665 (YONSEI-AS-KR-KR) is registered to Yonsei University in KR. It originates 33 prefixes in the global routing table.

33
IPv4 prefixes
0
IPv6 prefixes
79,104
IPv4 addresses
0%
RPKI valid

Who holds AS4665

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

AS number
AS4665
Handle
YONSEI-AS-KR-KR
Organization
Yonsei University
Country
KR
ASPA
None published

What AS4665 announces

Prefixes originated by AS4665 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
33
IPv6 prefixes
0
IPv4 addresses
79,104 (309 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
33
ROAs naming AS4665
0
With an IRR route object
25 75%

Who AS4665 is reached through

The AS just before AS4665 in the paths our looking glass collectors hold, for 33 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
APNICYONSEI-AS-KRMNT-KRNIC-AP

Route objects with origin AS4665: RADB 35

as-sets that list AS4665 (10)