Home ASN LookupAS42306

AS42306 EDERA_Group CEZNET s.r.o.

🇨🇿

Org handle: ORG-TBS13-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

12total

8 IPv44 IPv6

IPv4 Addresses

Allocated (RIR)18,432

Announced (BGP)20,480

IPv6 Addresses

Allocated (RIR)2.5×10³⁰

Announced (BGP)2.5×10³⁰

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇿 CZ

RIR

RIPE NCC

Status

allocated

Allocated

2007-01-30

Announced Prefixes

(BGP)12

Prefix	RPKI	IRR	Last Seen
37.44.208.0/22	No ROA	RIPE	2026-10-11
46.253.96.0/21	No ROA	RIPE	2026-10-11
46.253.104.0/21	No ROA	RIPE	2026-10-11
77.236.192.0/19	No ROA	RIPE	2026-10-11
93.89.144.0/20	No ROA	RIPE	2026-10-11
176.123.12.0/22	No ROA	RIPE	2026-10-11
185.134.160.0/22	No ROA	RIPE	2026-10-11
185.137.144.0/22	No ROA	RIPE	2026-10-11
2a03:f280::/29	No ROA	RIPE	2026-10-11
2a06:ed40::/29	No ROA	RIPE	2026-10-11

1-10 of 12

1 / 2

Allocated Prefixes

(RIR)11

Prefix	Country	RIR	Status
37.44.208.0/22	🇨🇿 CZ	RIPENCC	allocated
46.253.96.0/21	🇨🇿 CZ	RIPE	assigned
77.236.192.0/19	🇨🇿 CZ	RIPENCC	allocated
93.89.144.0/20	🇨🇿 CZ	RIPENCC	allocated
176.123.12.0/22	🇨🇿 CZ	RIPENCC	assigned
185.134.160.0/22	🇨🇿 CZ	RIPENCC	allocated
185.137.144.0/22	🇨🇿 CZ	RIPENCC	allocated
2a03:f280::/29	🇨🇿 CZ	RIPENCC	allocated
2a06:ed40::/29	🇨🇿 CZ	RIPENCC	allocated
2a07:4c0::/29	🇨🇿 CZ	RIPENCC	allocated

1-10 of 11

1 / 2

All 12 announced prefixes of AS42306 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS42306 hands its own prefixes to: transit providers, or peers at an exchange.

AS39392SuperNetwork SH.Cz S.R.O12

Downstreams (2)

Networks whose own prefixes AS42306 passes on: usually its customers.

AS210958FASTPORT A.S3
AS35046OMEGAPLUS OMEGA Plus Chrudim S.R.O1

Transfer History

Registry transfers of AS42306 between organisations.

AS42306M&A · 2026-10-05
Edera Group a.s.
🇨🇿 CZ RIPE NCC
→
CEZNET s.r.o.
🇨🇿 CZ RIPE NCC

Date	Resource	From	To	Type
2026-10-05	AS42306	Edera Group a.s. 🇨🇿 CZ RIPE NCC	CEZNET s.r.o. 🇨🇿 CZ RIPE NCC	M&A

ASPA

No ASPA

Abuse Contact

+31205354444

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 AS42306 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/42306

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

curl -s "https://api.ipctl.io/v1/asn/42306" | jq