AS6739 — ONO-AS Cableuropa - ONO

Network type: residential

AS6739 announces 181 IPv4 prefixes covering 1,805,568 addresses and 1 IPv6 prefixes.

About this network

ONO-AS is Cableuropa, trading as ONO — Spain's largest cable operator, acquired by Vodafone in 2014 and now registered as Vodafone ONO, S.A. The AS carries around 1.8 million IPv4 addresses.

What it's used for

• Residential broadband and telephony over ONO's hybrid fibre-coax and fibre plant. Reverse DNS on the announced space is unambiguous: subscriber addresses resolve as …dyn.user.ono.com, the dyn and user labels marking dynamic consumer pools.
• The inventory is the sort a long-lived eyeball network accumulates: several /16s (62.42/16, 81.184/16, 84.123/16, 84.124/16) plus dozens of smaller blocks gathered over time.

Notable

• This is an eyeball network — its address space is where subscribers sit, not where content is served. Traffic ratios and peering posture follow from that.
• Vodafone's Spanish fixed-line business was sold to Zegona in 2024, so the operating parent has changed again even though the ONO name persists in the registry and in reverse DNS.

Interesting

• ONO was assembled in the 1990s and 2000s by consolidating regional Spanish cable franchises, which is why one autonomous system ends up holding such a patchwork of unrelated IPv4 blocks. The rDNS domain has outlived two ownership changes.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 2.154.0.0/16
• 5.40.0.0/18
• 5.40.64.0/20
• 5.40.82.0/23
• 5.40.84.0/22
• 5.40.88.0/21
• 5.40.96.0/21
• 5.40.104.0/23
• 5.40.107.0/24
• 5.40.108.0/22
• 5.40.112.0/20
• 5.40.128.0/21
• 5.40.137.0/24
• 5.40.138.0/23
• 5.40.140.0/22
• 5.40.144.0/21
• 5.40.152.0/22
• 5.40.157.0/24
• 5.40.159.0/24
• 5.40.160.0/19
• 5.40.192.0/19
• 5.40.224.0/20
• 5.40.240.0/21
• 5.40.248.0/22
• 5.40.252.0/24
• 5.40.254.0/23
• 62.42.0.0/16
• 62.43.0.0/17
• 62.43.128.0/18
• 62.43.192.0/19
• 62.43.224.0/20
• 62.43.240.0/21
• 62.43.248.0/22
• 62.43.254.0/23
• 62.57.0.0/16
• 62.81.0.0/17
• 62.81.128.0/19
• 62.81.160.0/24
• 62.81.162.0/23
• 62.81.164.0/22
• 62.81.168.0/22
• 62.81.172.0/24
• 62.81.174.0/23
• 62.81.176.0/20
• 62.81.192.0/18
• 62.82.0.0/19
• 62.82.32.0/20
• 62.82.49.0/24
• 62.82.50.0/23
• 62.82.52.0/22
• 62.82.56.0/21
• 62.82.64.0/18
• 62.82.128.0/21
• 62.82.136.0/22
• 62.82.141.0/24
• 62.82.142.0/23
• 62.82.144.0/22
• 62.82.148.0/23
• 62.82.150.0/24
• 62.82.152.0/22
• 62.82.156.0/23
• 62.82.159.0/24
• 62.82.160.0/19
• 62.82.192.0/19
• 62.82.224.0/21
• 62.82.232.0/22
• 62.82.236.0/23
• 62.82.239.0/24
• 62.82.240.0/20
• 62.100.96.0/19
• 62.174.64.0/23
• 62.174.67.0/24
• 62.174.68.0/22
• 62.174.72.0/21
• 62.174.80.0/22
• 62.174.84.0/23
• 62.174.86.0/24
• 62.174.88.0/21
• 62.174.96.0/19
• 62.175.0.0/17
• 62.175.128.0/18
• 62.175.192.0/19
• 62.175.224.0/20
• 62.175.240.0/21
• 62.175.248.0/24
• 62.175.250.0/23
• 62.175.252.0/24
• 62.175.254.0/23
• 81.60.128.0/18
• 81.61.0.0/16
• 81.184.0.0/16
• 81.202.0.0/16
• 82.159.0.0/17
• 82.159.128.0/20
• 82.159.145.0/24
• 82.159.146.0/23
• 82.159.148.0/22
• 82.159.152.0/21
• 82.159.160.0/19
• 82.159.192.0/18

and 82 more.

Upstream networks

• AS12430 VODAFONE ESPANA S.A.U.

Downstream networks

• AS48202 ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A.
• AS44585 Efor Global Technology SL
• AS31346 Datadec Online, S.A.
• AS31249 Instituto de Empresa, S.L.
• AS49388 Inspirit Cloud, S.L.
• AS29109 MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L.
• AS39780 Indra Soluciones Tecnologias de la Informacion SL
• AS207628 Eduardo Senin Herrero

Adjacent networks

• AS12430 VODAFONE ESPANA S.A.U.
• AS48202 ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A.
• AS16338 VODAFONE ONO, S.A.
• AS44585 Efor Global Technology SL
• AS31346 Datadec Online, S.A.
• AS31249 Instituto de Empresa, S.L.
• AS29109 MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L.
• AS49388 Inspirit Cloud, S.L.
• AS39780 Indra Soluciones Tecnologias de la Informacion SL
• AS207628 Eduardo Senin Herrero