AS201466 — XTA-AS Xarxes de Telecomunicacions Alternatives SL

AS201466 announces 9 IPv4 prefixes covering 7,680 addresses and 2 IPv6 prefixes.

About this network

The AS handle XTA-AS is held by Xarxes de Telecomunicacions Alternatives SL.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS entries such as 2-57-109-255.ipv4.xta.cat and 185-73-169-255.xta.cat.
• The network announces 7,680 IPv4 addresses across 9 prefixes and 2 IPv6 prefixes, while maintaining only 2 observed routing neighbours. This high address-to-neighbour ratio indicates an access network providing last-mile connectivity rather than transit.
• As a regional ISP operating in Catalonia, the traffic consists of subscriber eyeballs connecting to the internet via fixed-line broadband services in towns such as La Granada and Vilanova i la Geltrú.

Notable

• Registrants for the majority of prefixes are consistent with the announcer, listing Xarxes de Telecomunicacions Alternatives SL with netnames like ES-XTA-20190319 and ES-XTA-20141017.
• One prefix, 45.131.30.0/24, is registered to CARTAGO TELECOM S. L. under the netname ES-CARTAGO-20190718, indicating a distinct ownership or leasing arrangement for that specific block.
• The inventory is composed of multiple /22 blocks and two /24 blocks, all located in Spain, with a single /32 and /29 for IPv6.

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

Announced prefixes

• 2.57.108.0/22
• 45.131.30.0/24
• 45.134.152.0/22
• 185.73.168.0/22
• 185.160.168.0/22
• 185.222.164.0/22
• 193.36.144.0/22
• 195.191.48.0/24
• 195.242.72.0/22
• 2a03:4460::/32
• 2a07:bec0::/29

Upstream networks

• AS210321 Operadors Quilometre Zero S.L.

Adjacent networks

• AS210321 Operadors Quilometre Zero S.L.

Routing security

• RPKI: 11 valid, 0 invalid and 0 not-found announcements; 11 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-COMUNITEL, AS-HURRICANE, AS-HURRICANEV6, AS-OPERADORS, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-SERVIHOSTING, AS-TRANSROUTE-SPEC.