SEWAN

SEWAN SAS
Data as of 2026-09-20
GLEIF verified
LEI
9695009G6D33GMUGYU53
Registered name
SEWAN
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks115 · 198,937 IPv4 addresses
IPv6 25 prefixes (largest 2a02:c440::/29)
Registered in France (87) · Netherlands (26) · Belgium (7) · Germany (2) · Spain (2) · Poland (1)
Record ID240812027
RegistryBGP
Owner jurisdictionFR
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 9695009G6D33GMUGYU53
Shared handles clustered on 29 shared RIR contact/maintainer handles
Registry names 11 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (115)

⬇ export CSV
CIDR Org name Registry Status Confidence
37.49.236.72/32 Sewan SAS PEERINGDB ASSIGNED ● high
37.49.236.75/32 Sewan SAS PEERINGDB ASSIGNED ● high
37.97.64.0/19 SEWAN SAS BGP ANNOUNCED ● high
37.97.96.0/20 SEWAN SAS BGP ANNOUNCED ● high
37.139.120.0/21 SEWAN SAS BGP ANNOUNCED ● high
37.139.124.0/24 SEWAN SAS BGP ANNOUNCED ● high
65.39.64.0/19 SEWAN SAS BGP ANNOUNCED ● high
80.81.194.240/32 Sewan SAS PEERINGDB ASSIGNED ● high
80.249.211.63/32 Sewan SAS PEERINGDB ASSIGNED ● high
80.249.214.8/32 Sewan Nederland BV PEERINGDB ASSIGNED ● high
80.251.96.0/20 SEWAN SAS BGP ANNOUNCED ● high
80.251.108.0/23 Sewan Belgium SA BGP ANNOUNCED ● high
80.251.108.0/22 Sewan Belgium SA BGP ANNOUNCED ● high
81.23.244.0/22 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.93.0.0/19 SEWAN SAS BGP ANNOUNCED ● high
81.173.0.0/22 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.7.0/24 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.32.0/22 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.48.0/20 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.64.0/20 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.96.0/22 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.125.0/24 Sewan Nederland B.V. BGP ANNOUNCED ● high
81.173.126.0/23 Sewan Nederland B.V. BGP ANNOUNCED ● high
85.119.188.0/22 Sewan Belgium SA BGP ANNOUNCED ● high
88.213.224.0/19 SEWAN SAS BGP ANNOUNCED ● high
109.235.32.0/21 Sewan Nederland B.V. BGP ANNOUNCED ● high
155.2.128.0/19 SEWAN SAS BGP ANNOUNCED ● high
155.2.150.0/23 SEWAN SAS BGP ANNOUNCED ● high
157.143.128.0/17 SEWAN SAS BGP ANNOUNCED ● high
157.143.248.0/21 Sewan Belgium SA BGP ANNOUNCED ● high
178.157.16.0/20 Sewan Belgium SA BGP ANNOUNCED ● high
178.157.18.0/23 Sewan Belgium SA BGP ANNOUNCED ● high
178.157.28.0/22 Sewan Belgium SA BGP ANNOUNCED ● high
178.157.32.0/20 Sewan Belgium SA BGP ANNOUNCED ● high
178.157.44.0/22 Sewan Belgium SA BGP ANNOUNCED ● high
178.174.96.0/20 SEWAN SAS BGP ANNOUNCED ● high
178.174.106.0/23 Sewan Belgium SA BGP ANNOUNCED ● high
178.174.108.0/23 Sewan Belgium SA BGP ANNOUNCED ● high
178.255.160.0/21 SEWAN SAS BGP ANNOUNCED ● high
185.0.42.145/32 Sewan SAS PEERINGDB ASSIGNED ● high
185.1.14.37/32 Sewan SAS PEERINGDB ASSIGNED ● high
185.1.32.43/32 Sewan Nederland BV PEERINGDB ASSIGNED ● high
185.1.127.21/32 Sewan Belgium PEERINGDB ASSIGNED ● high
185.1.160.46/32 Sewan Nederland BV PEERINGDB ASSIGNED ● high
185.1.192.253/32 Sewan SAS PEERINGDB ASSIGNED ● high
185.1.222.85/32 Sewan Nederland BV PEERINGDB ASSIGNED ● high
185.6.92.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.8.252.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.24.140.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.32.208.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.42.176.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.50.52.0/24 SEWAN SAS BGP ANNOUNCED ● high
185.50.53.0/24 SEWAN SAS BGP ANNOUNCED ● high
185.50.54.0/24 SEWAN SAS BGP ANNOUNCED ● high
185.50.55.0/24 SEWAN SAS BGP ANNOUNCED ● high
185.61.68.0/22 Sewan Nederland B.V. BGP ANNOUNCED ● high
185.65.248.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.76.216.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.79.175.228/32 Sewan SAS PEERINGDB ASSIGNED ● high
185.164.156.0/22 Sewan Belgium SA BGP ANNOUNCED ● high
185.218.208.0/22 SEWAN SAS BGP ANNOUNCED ● high
185.249.20.0/22 SEWAN SAS BGP ANNOUNCED ● high
188.66.8.0/21 Sewan Belgium SA BGP ANNOUNCED ● high
193.142.158.0/24 SEWAN SAS BGP ANNOUNCED ● high
193.149.1.115/32 Sewan SAS PEERINGDB ASSIGNED ● high
193.239.116.114/32 Sewan Nederland BV PEERINGDB ASSIGNED ● high
195.42.144.176/32 Sewan SAS PEERINGDB ASSIGNED ● high
195.42.144.244/32 Sewan SAS PEERINGDB ASSIGNED ● high
195.135.0.0/17 SEWAN SAS BGP ANNOUNCED ● high
195.135.0.0/18 SEWAN SAS BGP ANNOUNCED ● high
195.135.12.0/23 SEWAN SAS BGP ANNOUNCED ● high
195.135.48.0/24 SEWAN SAS BGP ANNOUNCED ● high
195.135.48.0/20 SEWAN SAS BGP ANNOUNCED ● high
217.74.96.0/20 SEWAN SAS BGP ANNOUNCED ● high
217.181.128.0/17 SEWAN SAS BGP ANNOUNCED ● high
217.181.251.0/24 Sewan Belgium SA BGP ANNOUNCED ● high
217.181.252.0/23 Sewan Belgium SA BGP ANNOUNCED ● high
2001:7f8::20cf:0:2/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:1::a500:8399:1/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:1::a505:522:1/128 Sewan Nederland BV PEERINGDB ASSIGNED ● high
2001:7f8:f::62/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:f:1::62/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:13::a505:522:1/128 Sewan Nederland BV PEERINGDB ASSIGNED ● high
2001:7f8:43::8399:1/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:43::8399:2/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:54::72/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:54::75/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:8f::a505:522:1/128 Sewan Nederland BV PEERINGDB ASSIGNED ● high
2001:7f8:a0::e215:0:1/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:b7::a505:522:1/128 Sewan Nederland BV PEERINGDB ASSIGNED ● high
2001:7f8:d2::21/128 Sewan Belgium PEERINGDB ASSIGNED ● high
2001:7f8:10f::c55a:46/128 Sewan Nederland BV PEERINGDB ASSIGNED ● high
2001:7f8:115:1::145/128 Sewan SAS PEERINGDB ASSIGNED ● high
2001:7f8:12e::8399:1/128 Sewan SAS PEERINGDB ASSIGNED ● high
2a02:6e8::/32 SEWAN SAS BGP ANNOUNCED ● high
2a02:c440::/29 SEWAN SAS BGP ANNOUNCED ● high
2a03:be00::/32 Sewan Nederland B.V. BGP ANNOUNCED ● high
2a05:5cc0::/29 SEWAN SAS BGP ANNOUNCED ● high
2a0b:e3c0::/29 SEWAN SAS BGP ANNOUNCED ● high
2a0c:10c0::/40 Sewan Belgium SA BGP ANNOUNCED ● high
2a0c:10c0::/29 Sewan Belgium SA BGP ANNOUNCED ● high
37.97.64.0 – 37.97.111.255 SEWAN SAS RIPE ALLOCATED PA ● low
80.251.110.0/23 Sewan Belgium SA RIPE ASSIGNED PA ● low
81.173.48.0 – 81.173.79.255 Sewan Nederland B.V. RIPE ALLOCATED PA ● low
81.173.125.0 – 81.173.127.255 Sewan Nederland B.V. RIPE ALLOCATED PA ● low
109.3.143.56/29 SEWAN-GPI2 RIPE ASSIGNED PA ● low
178.157.16.0/23 Sewan Belgium SA RIPE ASSIGNED PA ● low
178.157.16.0 – 178.157.47.255 SEWAN SAS RIPE ALLOCATED PA ● low
178.157.20.0/22 Sewan Belgium SA RIPE ASSIGNED PA ● low
178.157.24.0/23 Sewan Belgium SA RIPE ASSIGNED PA ● low
178.157.26.0/23 Sewan Belgium SA RIPE ASSIGNED PA ● low
178.255.164.0 – 178.255.166.255 SEWAN-ISP RIPE ASSIGNED PA ● low
178.255.167.0/24 SEWAN-ISP RIPE ASSIGNED PA ● low
185.6.94.0/23 SEWAN-ISP RIPE ASSIGNED PA ● low
2a0d:fa80::/29 SEWAN SAS RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (25)

Footprint over time

13 weekly snapshots · JSON
156 +2 netblocks since 2026-07-05
2026-07-05 peak 156 2026-09-20

Domains this organisation publishes

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Other domains hosted in this network

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Customer-delegated space

how is this classified?
Unclassified 121 (105.2%)
Operator infrastructure (named) 34 (29.6%)
Customer access pools 1 (0.9%)

Network trust

what's this?
RPKI hygiene: B how networks compare →
89.7% of checked blocks have valid RPKI ROA coverage (140 of 156)
No discrepancies found among checked blocks.

NIC Handles

AS196755 AS196755 AS50522 AS50522 AS8399 AS8399 ASN196755 DUMY-RIPE DUMY-RIPE FR-AGS-MNT LDCOM-MNT LDCOM-PRO-MNT +17 more