AS8399 SEWAN SAS 🇫🇷 FR

Announcing 37 prefixes, seen at the RIS collectors.

IPv4 prefixes
33
191,744 (749 × /24)
IPv6 prefixes
4
25 × /32
Upstreams
13
transit providers observed
Peers
19
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS8399
Name
SEWAN SAS
Organisation
Sewan SAS
Country
🇫🇷 FR
RIR
RIPENCC
Allocated
1997-07-29
Network type
Cable/DSL/ISP
Traffic levels
200-300Gbps
Scope
Europe
Peering policy
Open
IRR as-set
AS-SEWAN
PeeringDB
net/1255
Exchanges
9
Facilities
9

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

32 valid (86.5%) 0 invalid (0.0%) 5 no ROA (13.5%)

Announced prefixes

37 in total

Prefix RPKI Peers Sample path First seen
37.97.64.0/19 v4 RPKI valid 43 345498399 2026-09-18
37.97.96.0/20 v4 RPKI valid 43 345498399 2026-09-18
37.139.120.0/21 v4 RPKI valid 43 345498399 2026-09-18
37.139.124.0/24 v4 RPKI valid 43 345498399 2026-09-18
65.39.64.0/19 v4 RPKI valid 43 345498399 2026-09-18
80.251.96.0/20 v4 RPKI valid 43 345498399 2026-09-18
81.93.0.0/19 v4 RPKI valid 43 345498399 2026-09-18
88.213.224.0/19 v4 RPKI valid 43 345498399 2026-09-18
155.2.128.0/19 v4 RPKI valid 43 345498399 2026-09-18
157.143.128.0/17 v4 RPKI valid 43 345498399 2026-09-18
178.174.96.0/20 v4 RPKI valid 43 345498399 2026-09-18
178.255.160.0/21 v4 RPKI valid 43 345498399 2026-09-18
185.6.92.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.8.252.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.24.140.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.32.208.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.42.176.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.50.52.0/24 v4 no ROA 43 345498399 2026-09-18
185.50.53.0/24 v4 no ROA 43 345498399 2026-09-18
185.50.54.0/24 v4 no ROA 43 345498399 2026-09-18
185.50.55.0/24 v4 no ROA 43 345498399 2026-09-18
185.65.248.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.76.216.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.218.208.0/22 v4 RPKI valid 43 345498399 2026-09-18
185.249.20.0/22 v4 RPKI valid 43 345498399 2026-09-18
193.142.158.0/24 v4 no ROA 43 345498399 2026-09-18
195.135.0.0/17 v4 RPKI valid 43 345498399 2026-09-18
195.135.0.0/18 v4 RPKI valid 43 345498399 2026-09-18
195.135.12.0/23 v4 RPKI valid 43 345498399 2026-09-18
195.135.48.0/20 v4 RPKI valid 43 345498399 2026-09-18
195.135.48.0/24 v4 RPKI valid 43 345498399 2026-09-18
217.74.96.0/20 v4 RPKI valid 43 345498399 2026-09-18
217.181.128.0/17 v4 RPKI valid 43 345498399 2026-09-18
2a02:6e8::/32 v6 RPKI valid 35 345498399 2026-09-18
2a02:c440::/29 v6 RPKI valid 35 345498399 2026-09-18
2a05:5cc0::/29 v6 RPKI valid 38 345498399 2026-09-18
2a0b:e3c0::/29 v6 RPKI valid 35 345498399 2026-09-18