AS29987 Sinfony6, LLC 🇺🇸 US

Announcing 40 prefixes, seen at the RIS collectors.

IPv4 prefixes
40
14,848 (58 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
3
ASes reachable through it

Registry and operator data

AS number
AS29987
Name
Sinfony6, LLC
Organisation
Sinfony6
Country
🇺🇸 US
RIR
ARIN
Allocated
2025-02-11
Network type
Educational/Research
Scope
Global
Peering policy
Selective
IRR as-set
AS-SINFONY6
PeeringDB
net/38548
Exchanges
4

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 24 invalid (60.0%) 16 no ROA (40.0%)

Announced prefixes

40 in total

Prefix RPKI Peers Sample path First seen
187.31.0.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.1.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.2.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.3.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.4.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.5.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.6.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.7.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.8.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.9.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.10.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.11.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.12.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.13.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.14.0/24 v4 no ROA 43 34549325729987 2026-09-18
187.31.15.0/24 v4 RPKI invalid 2 34927520253209729987 2026-09-18
187.31.16.0/24 v4 RPKI invalid 2 34927520253209729987 2026-09-18
187.31.17.0/24 v4 RPKI invalid 2 34927520253209729987 2026-09-18
187.31.18.0/24 v4 RPKI invalid 2 34927520253209729987 2026-09-18
187.31.19.0/24 v4 RPKI invalid 2 34927520253209729987 2026-09-18
187.31.20.0/24 v4 RPKI invalid 2 34927520253209729987 2026-09-18
187.31.100.0/22 v4 no ROA 43 34549325729987 2026-09-18
187.203.208.0/20 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.208.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.209.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.210.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.211.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.212.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.213.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.214.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.215.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.216.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.217.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.218.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.219.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.220.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.221.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.222.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.223.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18
187.203.241.0/24 v4 RPKI invalid 1 34927520253209729987 2026-09-18