Home ASN LookupAS25424

AS25424 INEXT-CZ CEZNET s.r.o.

🇨🇿

Org handle: ORG-TBS13-RIPE

INTERNEXT 2000

RIPE NCCallocated

Announced Prefixes (BGP)

9total

7 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)33,792

Announced (BGP)33,792

IPv6 Addresses

Allocated (RIR)1.2×10³⁰

Announced (BGP)1.2×10³⁰

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇨🇿 CZ

RIR

RIPE NCC

Status

allocated

Allocated

2002-11-19

Announced Prefixes

(BGP)9

Prefix	RPKI	IRR	Last Seen
37.9.192.0/21	Valid	RIPE	2026-10-10
77.92.192.0/19	Valid	RIPE	2026-10-10
85.92.32.0/19	Valid	RIPE	2026-10-10
91.109.32.0/21	Valid	RIPE	2026-10-10
185.157.196.0/22	Valid	RIPE	2026-10-10
188.244.48.0/20	Valid	RIPE	2026-10-10
212.111.0.0/19	Valid	RIPE	2026-10-10
2a00:e580::/29	Valid	RIPE	2026-10-10
2a0a:3340::/29	Valid	RIPE	2026-10-10

Allocated Prefixes

(RIR)9

Prefix	Country	RIR	Status
37.9.192.0/21	🇨🇿 CZ	RIPENCC	allocated
77.92.192.0/19	🇨🇿 CZ	RIPENCC	allocated
85.92.32.0/19	🇨🇿 CZ	RIPENCC	allocated
91.109.32.0/21	🇨🇿 CZ	RIPENCC	allocated
185.157.196.0/22	🇨🇿 CZ	RIPENCC	allocated
188.244.48.0/20	🇨🇿 CZ	RIPENCC	allocated
212.111.0.0/19	🇨🇿 CZ	RIPENCC	allocated
2a00:e580::/29	🇨🇿 CZ	RIPENCC	allocated
2a0a:3340::/29	🇨🇿 CZ	RIPENCC	allocated

All 9 announced prefixes of AS25424 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS25424 hands its own prefixes to: transit providers, or peers at an exchange.

AS39791TPS Telco Pro Services, A. S7
AS174Cogent Communications1
AS6939Hurricane Electric1

Downstreams (3)

Networks whose own prefixes AS25424 passes on: usually its customers.

AS6740INEXT CZ ADA CEZNET S.R.O4
AS49580MONETPLUS Monet +, A.S1
AS211137ISPSERVICES ISP Services Spol. S.R.O1

Transfer History

Registry transfers of AS25424 between organisations.

AS25424M&A · 2025-10-07
InterneXt 2000, s.r.o.
🇨🇿 CZ RIPE NCC
→
CEZNET s.r.o.
🇨🇿 CZ RIPE NCC

Date	Resource	From	To	Type
2025-10-07	AS25424	InterneXt 2000, s.r.o. 🇨🇿 CZ RIPE NCC	CEZNET s.r.o. 🇨🇿 CZ 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 AS25424 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/25424

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

curl -s "https://api.ipctl.io/v1/asn/25424" | jq