Alter Way SAS

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks47 · 34,447 IPv4 addresses
IPv6 8 prefixes (largest 2001:4080::/29)
Registered in France (32) · Romania (5) · United Kingdom (3) · Russia (2) · Luxembourg (1) · Netherlands (1)
Cluster ID213304034
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 31 shared RIR contact/maintainer handles
Registry names 15 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
58 +4 netblocks since 2026-07-05
2026-07-05 peak 58 2026-07-26

IP Ranges (47)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.15.24.0/21 Alter Way SAS BGP ANNOUNCED ● high
37.49.238.57/32 Alter Way - OPS PEERINGDB ASSIGNED ● high
46.174.130.0/23 Alter Domus Participations S.a.r.l. RIPE ASSIGNED PI ● high
80.96.27.0/24 Alter-NET SRL BGP ANNOUNCED ● high
86.104.125.205/32 ALTER NET PEERINGDB ASSIGNED ● high
89.31.144.0/21 Alter Way SAS BGP ANNOUNCED ● high
91.216.209.0/24 Alter Way SAS BGP ANNOUNCED ● high
93.115.174.0/24 Alter-NET SRL BGP ANNOUNCED ● high
185.21.152.0/23 Alter Way SAS BGP ANNOUNCED ● high
185.21.152.0/22 Alter Way SAS BGP ANNOUNCED ● high
185.21.154.0/23 Alter Way SAS BGP ANNOUNCED ● high
185.114.208.0/22 Alter Way SAS BGP ANNOUNCED ● high
185.114.208.0/23 Alter Way SAS BGP ANNOUNCED ● high
185.114.210.0/23 Alter Way SAS BGP ANNOUNCED ● high
193.38.128.0/22 Alter Way SAS BGP ANNOUNCED ● high
194.50.50.0/24 Alter-NET SRL RIPE ASSIGNED PI ● high
195.42.145.112/32 Alter Way - OPS PEERINGDB ASSIGNED ● high
195.54.62.0/23 Alter Way SAS BGP ANNOUNCED ● high
195.54.62.0/24 Alter Way SAS BGP ANNOUNCED ● high
195.54.63.0/24 Alter Way SAS BGP ANNOUNCED ● high
213.91.0.0/18 Alter Way SAS BGP ANNOUNCED ● high
213.91.0.0/19 Alter Way SAS BGP ANNOUNCED ● high
213.91.32.0/19 Alter Way SAS BGP ANNOUNCED ● high
213.162.32.0/19 Alter Way SAS BGP ANNOUNCED ● high
213.162.32.0/20 Alter Way SAS BGP ANNOUNCED ● high
213.162.48.0/20 Alter Way SAS BGP ANNOUNCED ● high
2001:7f8:43::1:3273:1/128 Alter Way - OPS PEERINGDB ASSIGNED ● high
2001:7f8:54::2:57/128 Alter Way - OPS PEERINGDB ASSIGNED ● high
2a04:1940::/29 Alter Way SAS BGP ANNOUNCED ● high
62.134.204.80/29 alter_domus RIPE ASSIGNED PA ● low
79.99.202.72/29 ALTER RIPE ASSIGNED PA ● low
88.33.97.176/30 ALTER RIPE ASSIGNED PA ● low
193.56.60.0/24 Alter Way SAS RIPE ALLOCATED PA ● low
194.90.80.0/28 NV-ALTER RIPE ASSIGNED PA ● low
194.165.33.0/24 Alter Way SAS RIPE ASSIGNED PI ● low
195.226.147.224/29 Alter_Domus RIPE ASSIGNED PA ● low
212.8.166.192/29 alter_domus_luxembourg RIPE ASSIGNED PA ● low
212.17.20.192/27 ALTER-NET RIPE ASSIGNED PA ● low
212.248.19.0/27 ALTER RIPE ASSIGNED PA ● low
213.194.0.64/29 alter_domus RIPE ASSIGNED PA ● low
213.227.205.136/29 ALTER RIPE ASSIGNED PA ● low
217.100.0.112/29 ALTER_IT_VOF RIPE ASSIGNED PA ● low
2001:4080::/29 Alter Way SAS RIPE ALLOCATED-BY-RIR ● low
2001:41f0:115a::/48 ALTER_IT_VOF RIPE ASSIGNED ● low
2a00:2381:e389::/48 ALTER-DOMUS RIPE AGGREGATED-BY-LIR ● low
2a00:7500::/32 Alter Way SAS RIPE ALLOCATED-BY-RIR ● low
2a03:4420::/32 Alter Way SAS RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (8)

CIDR
2001:4080::/29
2a04:1940::/29
2a00:7500::/32
2a03:4420::/32
2001:41f0:115a::/48
2a00:2381:e389::/48
2001:7f8:43::1:3273:1/128
2001:7f8:54::2:57/128

Domains hosted in this network

what's this?
cryptobox.com canevas.com artsper.com ameli.fr cevalogistics.com

Network trust

what's this?
RPKI hygiene: B how networks compare →
81.0% of checked blocks have valid RPKI ROA coverage (47 of 58)
Possible discrepancies (2)

These blocks are registered to Alter Way SAS but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:41f0:115a::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2a00:2381:e389::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

ALL2ALL-MNT ALTER-NET-MNT ALTER-NET-MNT AS13273 AS13273 AS39531 AS39531 AS41628 BTNET-MNT CAVEO-MNT COMSTAR-MNT DUMY-RIPE +19 more