asn.dev

Autonomous system

AS62104 CSISP

Unclassified RIPE

IPv4 addresses 2.05K 2 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly ES
Exchanges 0 recorded by PCH
Upstreams 4 0 downstream
Flagged prefixes 0 none

Summary

CSISP

Spain · AI-generated

isp residential spain

CSISP is operated by Computer Service Internet Service Provider S.L.

What it's used for

  • The address space carries residential and small business internet access, evidenced by reverse DNS entries such as 185-47-213-0.csisp.info and netnames ES-CSISP-20140214 and ES-CSISP-20140814.
  • The AS announces 2048 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, with 4 observed neighbours; this ratio indicates an access network providing last-mile connectivity rather than transit.
  • Traffic from this AS consists of subscriber eyeballs for internet access services, including web browsing, streaming, and general consumer internet usage in southern Spain.

Notable

  • Registrants for both announced prefixes are CSISP RIPE; Computer Service Internet Service Provider S.L., which matches the AS holder.
  • The address inventory consists of two /22 blocks in the 185.47.0.0/16 and 185.67.0.0/16 ranges, plus a /32 IPv6 allocation, representing a modest footprint typical of a regional ISP.

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

4 upstream, 0 downstream and 5 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS8903LYNTIA NETWORKS S.A.400
AS12540IdecNet S.A.164
AS12541LYNTIA NETWORKS S.A.5
AS202766LYNTIA NETWORKS S.A.3

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, 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 · 2.05K addresses IPv6 1 prefixes

CountryNamePrefixes
ESSpain3

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS62104
Registry name
CSISP
Registrant
CSISP-MNT
Abuse contact
abuse@csisp.info
Registered
2014-02-12
Last changed
2018-09-04
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 10 valid, 0 with no ROA
ROAs
11 authorising AS62104
ASPA
no ASPA record
IRR
100% registered · 10 of 10 announcements
Route objects
3 naming AS62104

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: 436 networks and 1,771 prefixes, as published 2026-10-13. 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