Home ASN LookupAS44546

AS44546 ALFATELECOM-AS ALFA TELECOM s.r.o.

🇨🇿

Org handle: ORG-ATS13-RIPE

RIPE NCCallocatedASPA Published

Announced Prefixes (BGP)

14total

14 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)527,360

Announced (BGP)527,616

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

Country

🇨🇿 CZ

RIR

RIPE NCC

Status

allocated

Allocated

2008-02-05

Announced Prefixes

(BGP)14

Prefix	RPKI	IRR	Last Seen
31.148.0.0/16	Valid	RIPE	2026-10-11
31.148.242.0/24	Valid	-	2026-10-11
91.201.20.0/22	Valid	RIPE	2026-10-11
92.38.0.0/17	Valid	RIPE	2026-10-11
92.253.128.0/17	Valid	RIPE	2026-10-11
93.170.0.0/15	Valid	RIPE	2026-10-11
93.170.98.0/24	Valid	RIPE	2026-10-11
95.46.0.0/15	Valid	RIPE	2026-10-11
95.46.122.0/24	Valid	RIPE	2026-10-11
146.120.0.0/16	Valid	RIPE	2026-10-11

1-10 of 14

1 / 2

Allocated Prefixes

(RIR)13

Prefix	Country	RIR	Status
31.148.0.0/16	🇨🇿 CZ	RIPENCC	allocated
91.201.20.0/22	🇨🇿 CZ	RIPENCC	allocated
92.38.0.0/17	🇨🇿 CZ	RIPENCC	allocated
92.253.128.0/17	🇨🇿 CZ	RIPENCC	allocated
93.170.0.0/15	🇨🇿 CZ	RIPENCC	allocated
93.170.98.0/24	🇨🇿 CZ	RIPE	assigned
95.46.0.0/15	🇨🇿 CZ	RIPENCC	allocated
95.46.122.0/24	🇨🇿 CZ	RIPE	assigned
146.120.0.0/16	🇨🇿 CZ	RIPENCC	allocated
146.158.0.0/17	🇨🇿 CZ	RIPENCC	allocated

1-10 of 13

1 / 2

All 14 announced prefixes of AS44546 →

Upstream Providers(2)

ASN	Name
AS39906	🇨🇿COPROSYS CoProSys a.s.
AS50245	🇺🇸SERVEREL-AS Serverel Inc.

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS44546 hands its own prefixes to: transit providers, or peers at an exchange.

AS50245SERVEREL10
AS42189EUROSIGNAL Druzstvo EUROSIGNAL2
AS3216SOVAM PJSC "Vimpelcom"1
AS39906COPROSYS A.S1

ASPA

Published2 upstreams, 0 downstreams

Authorized Upstream Providers

AS39906 AS50245

Expires 2026-10-12

View full ASPA details →

Abuse Contact

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/44546

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/44546" | jq