asn.dev

Autonomous system

AS40964 ASTELNET Astelnet network

Unclassified RIPE

IPv4 addresses 1.28K 3 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

mobile isp czech

The AS handle ASTELNET is held by Astelnet s.r.o.

What it's used for

  • The address space carries mobile and broadband traffic, evidenced by netnames BROADBAND-NET and BROADBAND_NET and reverse DNS entries such as mail.forrestglamping.cy and mail.spbt.eu.
  • The network announces 1280 IPv4 addresses across 3 prefixes with only 1 observed neighbour, a ratio that indicates an access or mobile network rather than a transit provider.
  • As a mobile network operator in the Czech Republic, the traffic consists of subscriber mobile data and broadband access.

Notable

  • Registrants for the largest prefixes are listed as Abuse contact or ASTELNET, which aligns with the AS holder.
  • Astelnet operates as a mobile network operator in the Czech Republic with Mobile Country Code 230 and Mobile Network Code 07.
  • The inventory consists of three contiguous IPv4 prefixes in the 89.107.128.0/21 range.

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, UAB236

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, 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 3 prefixes · 1.28K addresses IPv6 0 prefixes

CountryNamePrefixes
CZCzechia3

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS40964
Registry name
ASTELNET
Registrant
MNT-ASTELNET
Abuse contact
noc@astelnet.com
Registered
2006-05-22
Last changed
2023-02-04
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 4 valid, 0 with no ROA
ROAs
6 authorising AS40964
ASPA
1 declared providers
IRR
100% registered · 4 of 4 announcements
Route objects
6 naming AS40964

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 1,775 prefixes, as published 2026-10-11. 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