Home ASN LookupAS52154

AS52154 ASMJANIK mjanik.net s.r.o.

🇨🇿

Org handle: ORG-MJAN1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

9total

9 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)2,048

Announced (BGP)4,096

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇿 CZ

RIR

RIPE NCC

Status

allocated

Allocated

2011-01-10

Announced Prefixes

(BGP)9

Prefix	RPKI	IRR	Last Seen
46.174.152.0/21	No ROA	RIPE	2026-10-11
46.174.152.0/24	No ROA	RIPE	2026-10-11
46.174.153.0/24	No ROA	RIPE	2026-10-11
46.174.154.0/24	No ROA	RIPE	2026-10-11
46.174.155.0/24	No ROA	RIPE	2026-10-11
46.174.156.0/24	No ROA	RIPE	2026-10-11
46.174.157.0/24	No ROA	RIPE	2026-10-11
46.174.158.0/24	No ROA	RIPE	2026-10-11
46.174.159.0/24	No ROA	-	2026-10-11

Allocated Prefixes

(RIR)1

Prefix	Country	RIR	Status
46.174.152.0/21	🇨🇿 CZ	RIPENCC	assigned

All 9 announced prefixes of AS52154 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS52154 hands its own prefixes to: transit providers, or peers at an exchange.

AS16019VODAFONE CZ Vodafone Czech Republic A.S8
AS47727WARNETCZ Warnet.Cz S.R.O1

Downstreams (1)

Networks whose own prefixes AS52154 passes on: usually its customers.

AS214952MJANIK Mjanik.Net S.R.O1

ASPA

No ASPA

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
ASPA explainedWhy AS52154 should publish an ASPA object
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/52154

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

curl -s "https://api.ipctl.io/v1/asn/52154" | jq