HomeASN LookupAS8399

AS8399 SEWAN-FR SEWAN SAS

🇫🇷

Org handle: ORG-SCS33-RIPE

RIPE NCCallocated
Announced Prefixes (BGP)
38total
34 IPv44 IPv6
IPv4 Addresses
Allocated (RIR)191,232
Announced (BGP)192,256
IPv6 Addresses
Allocated (RIR)1.9×10³⁰
Announced (BGP)1.9×10³⁰
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
20
Country
🇫🇷 FR
RIR
RIPE NCC
Status
allocated
Allocated
1997-07-29

Announced Prefixes

(BGP)38
|
Prefix
RPKI
IRR
Last Seen
37.97.64.0/19
 Valid
RIPE
2026-10-11
37.97.96.0/20
 Valid
RIPE
2026-10-11
37.139.120.0/21
 Valid
RIPE
2026-10-11
37.139.124.0/24
 Valid-2026-10-11
65.39.64.0/19
 Valid
RIPE
2026-10-11
80.251.96.0/20
 Valid
RIPE
2026-10-11
81.93.0.0/19
 Valid
RIPE
2026-10-11
88.213.224.0/19
 Valid
RIPE
2026-10-11
155.2.128.0/19
 Valid
RIPE
2026-10-11
155.2.150.0/23
 Invalid-2026-10-11
1-10 of 38
1 / 4

Allocated Prefixes

(RIR)35
Prefix
Country
RIR
Status
37.97.64.0/19🇫🇷 FRRIPENCCallocated
37.97.96.0/20🇫🇷 FRRIPENCCallocated
37.139.120.0/21🇫🇷 FRRIPENCCallocated
65.39.64.0/19🇫🇷 FRRIPENCCallocated
80.251.96.0/20🇫🇷 FRRIPENCCallocated
81.93.0.0/19🇫🇷 FRRIPEassigned
88.213.224.0/19🇫🇷 FRRIPENCCallocated
155.2.128.0/19🇫🇷 FRRIPENCCallocated
157.143.128.0/17🇫🇷 FRRIPENCCassigned
178.174.96.0/20🇫🇷 FRRIPENCCallocated
1-10 of 35
1 / 4

All 38 announced prefixes of AS8399 →

BGP Neighbours

(seen in AS paths)

Upstreams (7)

Networks AS8399 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS6204ZET NET INTERKVM HOST8
  • AS33891CORE BACKBONE Core Backbone8
  • AS6939Hurricane Electric7
  • AS174Cogent Communications6
  • AS1299TWELVE99 Arelion Sweden AB5
  • AS2914NTT America3
  • AS35699ADAMOEU Adamo Telecom Iberia S.A1
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/8399

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/8399" | jq