asn.dev

Autonomous system

AS51152 VALMESA-AS

Unclassified RIPE

IPv4 addresses 768 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly ES
Exchanges 0 recorded by PCH
Upstreams 3 0 downstream
Flagged prefixes 0 none

Summary

Valmesa

Spain · AI-generated

business valuation corporate spain

The AS handle VALMESA-AS is held by Valoraciones Mediterraneo, SA.

What it's used for

  • The address space carries corporate infrastructure, evidenced by reverse DNS entries pointing to staticip.valmesa.es and netnames ES-VALMESA-20180131 and valmesa-03.
  • The network announces 768 IPv4 addresses across 2 prefixes with 3 observed neighbours, indicating a small-scale internal corporate estate rather than a transit or access provider.
  • Traffic from this AS consists of office workers and internal systems for a Spanish valuation firm, not subscriber eyeballs or public web endpoints.

Notable

  • Registrants align with the announcer, listing VALORACIONES MEDITERRANEO, SA and Abuse-C Role for the announced blocks.
  • The address inventory is compact, consisting of a single /23 and a single /24, consistent with a segmented internal corporate network.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

3 upstream, 0 downstream and 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS200845AVATEL TELECOM, SA114
AS29119AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL59
AS3352TELEFONICA DE ESPANA S.A.U.2

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 2 prefixes · 768 addresses IPv6 0 prefixes

CountryNamePrefixes
ESSpain2

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS51152
Registry name
VALMESA-AS
Registrant
es-valmesa-1-mnt
Abuse contact
abuse@valmesa.es
Registered
2010-06-09
Last changed
2024-01-09
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 3 valid, 0 with no ROA
ROAs
4 authorising AS51152
ASPA
no ASPA record
IRR
100% registered · 3 of 3 announcements
Route objects
5 naming AS51152

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 443 networks and 1,784 prefixes, as published 2026-10-19. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check