AS12163 Amherst Holdings LLC 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
0
-
Upstreams
4
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
AS12163
Name
Amherst Holdings LLC
Organisation
Amherst Holdings
Country
🇺🇸 US
RIR
ARIN
Allocated
2013-09-18
Network type
Enterprise
Scope
Global
Peering policy
Restrictive
PeeringDB
net/17684

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3356 Lumen (Level 3) 🇺🇸 US 72,311 2,075 19 CAIDA
AS174 Cogent Communications, LLC 🇺🇸 US 67,341 3,938 15 CAIDA
AS6461 Zayo Bandwidth 🇺🇸 US 56,793 225 50 CAIDA
AS23005 SWITCH, LTD 🇺🇸 US 140 161 2 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.