AS397268 Cambridge Telephone 🇺🇸 US

Announcing 13 prefixes, seen at the RIS collectors.

IPv4 prefixes
13
3,328 (13 × /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
AS397268
Name
Cambridge Telephone
Organisation
Cambridge Telephone
Country
🇺🇸 US
RIR
ARIN
Allocated
2019-01-28

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

12 valid (92.3%) 0 invalid (0.0%) 1 no ROA (7.7%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS15305 Syringa Networks, LLC 🇺🇸 US 149 26 400 CAIDA
AS397285 Cambridge Telephone 🇺🇸 US 2 5 120 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.