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
| Netblocks | 115 · 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 ID | 240812027 |
| Registry | BGP |
| Owner jurisdiction | FR |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 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
what's this?Other domains hosted in this network
what's this?Customer-delegated space
how is this classified?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