AS43861 Circle B B.V. 🇳🇱 NL

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
4
1,536 (6 × /24)
IPv6 prefixes
2
1 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it

Registry and operator data

AS number
AS43861
Name
Circle B B.V.
Organisation
Circle B
Country
🇳🇱 NL
RIR
RIPENCC
Allocated
2016-12-20
Network type
NSP
Traffic levels
50-100Gbps
Scope
Not Disclosed
Peering policy
Open
IRR as-set
RIPE::AS-CIRCLEB
PeeringDB
net/12171
Facilities
3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS8220 COLT 🇬🇧 GB 51,372 153 213 CAIDA
AS38930 LeaseWeb (fiberring) 🇳🇱 NL 55 6 49 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

Network Country Cone IPv4 prefixes Paths Source
AS209870 Cylo Ltd 🇬🇧 GB 0 2 32 CAIDA

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.