Home ASN LookupAS57943

AS57943 HOLON-AS Holon SAS

🇫🇷

Org handle: ORG-OS303-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

3total

3 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)5,120

Announced (BGP)5,120

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇫🇷 FR

RIR

RIPE NCC

Status

allocated

Allocated

2012-03-16

Announced Prefixes

(BGP)3

Prefix	RPKI	IRR	Last Seen
37.157.128.0/21	No ROA	RIPE	2026-10-11
178.250.104.0/21	No ROA	RIPE	2026-10-11
185.225.184.0/22	No ROA	RIPE	2026-10-11

Allocated Prefixes

(RIR)3

Prefix	Country	RIR	Status
37.157.128.0/21	🇫🇷 FR	RIPENCC	allocated
178.250.104.0/21	🇫🇷 FR	RIPENCC	allocated
185.225.184.0/22	🇫🇷 FR	RIPENCC	allocated

All 3 announced prefixes of AS57943 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS57943 hands its own prefixes to: transit providers, or peers at an exchange.

AS31167Axione S.A.S3

Transfer History

Registry transfers of AS57943 between organisations.

AS57943M&A · 2024-02-20
Izzycom SAS
RIPE NCC
→
Odena SAS
RIPE NCC

Date	Resource	From	To	Type
2024-02-20	AS57943	Izzycom SAS RIPE NCC	Odena SAS RIPE NCC	M&A

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 AS57943 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/57943

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

curl -s "https://api.ipctl.io/v1/asn/57943" | jq