asn.dev

Autonomous system

AS210741 ISRcomunicaciones Telnetia S.L. trading as ISR comunicaciones

Unclassified ARIN

IPv4 addresses 512 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly ES
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

ISR comunicaciones

Spain · AI-generated

residential isp spain small

The AS handle ISRCOMUNICACION is held by ISR comunicaciones (Telnetia S.L.).

What it's used for

  • The address space carries residential static IP services, evidenced by reverse DNS entries such as static-64-201-225-77.ipcom.comunitel.net and netnames ISRcomunicaciones and ES-ISRCOMUNICACIONES1-20260325.
  • The network announces 512 IPv4 addresses across 2 prefixes with 1 observed neighbour, a ratio indicating a small access or eyeball network rather than a transit provider.
  • Traffic from this AS consists of subscriber eyeballs for a local Spanish internet service provider.

Notable

  • Registrants align with the announcer, listing ISRcomunicaciones and Telnetia S.L. trading as ISR comunicaciones for the 194.62.115.0/24 prefix, while the 77.225.201.0/24 prefix lists VODAFONE ABUSE as the registrant.
  • The inventory consists of two /24 blocks, one of which (77.225.201.0/24) shows a registrant mismatch with the primary operator name.

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

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS12357VODAFONE ESPANA S.A.U.120

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-12, 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 · 512 addresses IPv6 0 prefixes

CountryNamePrefixes
ESSpain2

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS210741
Registry name
ISRcomunicaciones
Registrant
lir-es-isrcomunicaciones1-1-MNT
Abuse contact
soporte@isrcomunicaciones.es
Registered
2025-04-08
Last changed
2026-09-17
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 2 valid, 0 with no ROA
ROAs
2 authorising AS210741
ASPA
no ASPA record
IRR
100% registered · 2 of 2 announcements
Route objects
2 naming AS210741

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: 455 networks and 1,849 prefixes, as published 2026-11-13. 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