Home ASN LookupAS51577

AS51577 STYRIA_AS Styria IT Solutions d.o.o.

🇭🇷

Org handle: ORG-SIS41-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

3total

2 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)256

Announced (BGP)512

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)1.2×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇭🇷 HR

RIR

RIPE NCC

Status

allocated

Allocated

2010-10-01

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
149.5.187.0/24	No ROA	-	2026-10-09
193.25.220.0/24	No ROA	RIPE	2026-10-09
2001:67c:8f4::/48	No ROA	-	2026-10-09

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
193.25.220.0/24	🇭🇷 HR	RIPENCC	assigned
2001:67c:8f4::/48	🇭🇷 HR	RIPENCC	assigned

All 3 announced prefixes of AS51577 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS51577 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric2
AS15994A1HR A1 Hrvatska D.O.O1

Downstreams (1)

Networks whose own prefixes AS51577 passes on: usually its customers.

AS47948SATA 24sata Doo1

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 AS51577 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/51577

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

curl -s "https://api.ipctl.io/v1/asn/51577" | jq