Autonomous system
AS44546 ALFATELECOM-AS
Unclassified RIPE
Summary
Alfa Telecom
telecom residential czech isp
ALFATELECOM-AS is operated by Alfa Telecom s.r.o., a Czech telecommunications provider based in Prague.
What it's used for
- The address space carries residential and mobile subscriber traffic, evidenced by reverse DNS entries such as
dhcp-0-8-47-95.metro86.ruanddhcp-255-15-47-95.metro86.ru. - The AS announces 113,152 IPv4 addresses across 88 prefixes, with only 4 observed routing neighbours, indicating an access network serving end-users rather than a transit provider.
- Traffic from this AS consists of subscriber eyeballs, including web browsing, VoIP, and mobile data usage from the Czech Republic.
Notable
- All registrants for the largest prefixes are consistent with the announcer, listing
ALFA TELECOM s.r.o.andAlfa Telecom s.r.o. NOC. - The address inventory is fragmented into many small prefixes, including /18, /19, /20, and /21 blocks, reflecting historical acquisitions or allocations from different time periods.
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
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 89 prefixes · 111K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| CZ | Czechia | 89 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS44546- Registry name
- ALFATELECOM-AS
- Registrant
- ALFA TELECOM s.r.o.
- Abuse contact
- abuse@alfatelecom.cz
- Registered
- 2008-02-05
- Last changed
- 2026-04-14
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 14 valid, 0 with no ROA
- ROAs
- 13 authorising AS44546
- ASPA
- 2 declared providers
- IRR
- 100% registered · 14 of 14 announcements
- Route objects
- 13 naming AS44546
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: 442 networks and 1,772 prefixes, as published 2026-10-15. 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