AS131941 Entsu Co.,Ltd. 🇯🇵 JP

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
6
2,560 (10 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS131941
Name
Entsu Co.,Ltd.
Organisation
Entsu Co.,Ltd.
Country
🇯🇵 JP
RIR
APNIC
Allocated
2011-08-04

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 6 no ROA (100.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS23764 China Telecom Global 🇭🇰 HK 43,065 184 176 CAIDA
AS10099 China Unicom Global 🇭🇰 HK 6,633 99 82 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

No downstreams observed at the collectors.

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.