AS8318 CEMEX ESPANA S.A. 🇪🇸 ES

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,024 (4 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS8318
Name: CEMEX ESPANA S.A.
Organisation: CEMEX ESPANA S.A.
Country: 🇪🇸 ES
RIR: RIPENCC
Allocated: 1997-05-26

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 4 no ROA (100.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS8192 - AS8523
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:23Z
last-modified:  2018-11-22T15:27:23Z
source:         RIPE

aut-num:        AS8318
as-name:        CMX-AS
org:            ORG-CES4-RIPE
import:         from AS8928 action pref=200; accept ANY
import:         from AS174 action pref=200; accept ANY
export:         to AS8928 announce AS8318
export:         to AS174 announce AS8318
admin-c:        FCVC1-RIPE
admin-c:        BDH60-RIPE
tech-c:         BDH60-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8318-MNT
mnt-by:         CXES-DEFAULT-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2026-04-14T11:28:29Z
source:         RIPE

organisation:   ORG-CES4-RIPE
org-name:       CEMEX ESPANA S.A.
country:        ES
reg-nr:         A46004214
org-type:       LIR
address:        C/HERNANDEZ DE TEJADA,  1
address:        28027
address:        MADRID
address:        SPAIN
phone:          +34913779200
fax-no:         +34913779203
admin-c:        FCVC1-RIPE
abuse-c:        CA5438-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CXES-DEFAULT-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CXES-DEFAULT-MNT
created:        2008-03-27T15:01:59Z
last-modified:  2026-05-13T07:22:21Z
source:         RIPE # Filtered

person:         BERNARDO DIEZ HERRERO
address:        Hernandez de Tejada 1, E5A, 28027 - Madrid, SPAIN
phone:          +34 913779548
nic-hdl:        BDH60-RIPE
mnt-by:         CXES-DEFAULT-MNT
created:        2016-05-23T10:02:39Z
last-modified:  2016-05-23T10:02:39Z
source:         RIPE

person:         Fernando GarcIa-Villaraco Casero
address:        CEMEX S.A
address:        C/ Hernandez de Tejada, 1
address:        Madrid 28027
address:        SPAIN
phone:          +34 91 377 95 48
fax-no:         +34 91 377 92 03
nic-hdl:        FCVC1-RIPE
mnt-by:         MAINT-AS3352
created:        2004-11-04T16:55:38Z
last-modified:  2004-11-04T16:55:38Z
source:         RIPE # Filtered