asn.dev

Autonomous system

AS31368 ASTELNET-AS

Unclassified RIPE

IPv4 addresses 1.28K 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly CZ
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Astelnet

Czechia · AI-generated

business czech small

The AS handle ASTELNET-AS is held by Astelnet Ltd.

What it's used for

  • The address space carries corporate network resources, evidenced by netnames CZ-ASTELNET-20161018 and BROADBAND-NET registered to ASTELNET s.r.o. and ASTELNET.
  • The inventory consists of 1280 IPv4 addresses across 2 prefixes, with a single observed neighbour, indicating a small-scale access or internal corporate network rather than a transit provider.

Notable

  • Registrants ASTELNET s.r.o. and ASTELNET align with the announcer identity, confirming consistent ownership of the announced blocks.
  • The address inventory is compact, comprising one /22 and one /24 block, both located in Czechia.

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
AS28917Fiord Networks, UAB295

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, 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 · 1.28K addresses IPv6 0 prefixes

CountryNamePrefixes
CZCzechia2

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS31368
Registry name
PROMOCOM-NET
Registrant
MNT-ASTELNET
Abuse contact
noc@astelnet.com
Registered
2004-04-27
Last changed
2026-09-07
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 5 valid, 0 with no ROA
ROAs
5 authorising AS31368
ASPA
no ASPA record
IRR
100% registered · 5 of 5 announcements
Route objects
5 naming AS31368

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: 431 networks and 1,768 prefixes, as published 2026-10-12. 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