AS10255 Sinister and Solitary 🇺🇸 US

Announcing 9 prefixes, seen at the RIS collectors.

IPv4 prefixes
7
2,560 (10 × /24)
IPv6 prefixes
2
257 × /48
Upstreams
1
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
AS10255
Name
Sinister and Solitary
Organisation
Cambridge Bandwidth Consortium
Country
🇺🇸 US
RIR
ARIN
Allocated
1997-05-23
Network type
Cable/DSL/ISP
Traffic levels
0-20Mbps
Scope
Regional
Peering policy
Open
IRR as-set
AS-CAMBANDCONS
PeeringDB
net/30
Exchanges
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (22.2%) 0 invalid (0.0%) 7 no ROA (77.8%)

Announced prefixes

9 in total

Prefix RPKI Peers Sample path First seen
192.31.227.0/24 v4 no ROA 47 17639273410255 2026-09-18
198.49.250.0/24 v4 no ROA 47 17639273410255 2026-09-18
199.74.249.0/24 v4 RPKI valid 47 17639273410255 2026-09-18
199.201.145.0/24 v4 no ROA 47 17639273410255 2026-09-18
199.204.152.0/22 v4 no ROA 47 17639273410255 2026-09-18
204.69.206.0/24 v4 no ROA 47 17639273410255 2026-09-18
204.107.200.0/24 v4 no ROA 47 17639273410255 2026-09-18
2605:6c00:9::/48 v6 RPKI valid 38 24482273410255 2026-09-18
2620:131:f000::/40 v6 no ROA 38 24482273410255 2026-09-18