AS203712 XARTIC-AS Xarxes Esteses de Comunicacions SL

XARTIC-AS Xarxes Esteses de Comunicacions SL · registered in Spain

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Spain#334largest network in ES by IPv4 space, of 926 · <0.01% of ES

Rank worldwide#21,881of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountrySpain954 ASNs registered there

Open AS203712 in ASN lookup Look up an IP in this network (37.18.132.1) All networks in Spain

IPv4 prefixes

All 2 prefixes, in address order.

37.18.132.0/22
185.126.104.0/22

IPv6 prefixes

All 1 prefix.

2a0a:7040::/32

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources