Home ASN LookupAS21430

AS21430 WIA-AS WIA spol. s.r.o.

🇨🇿

Org handle: ORG-Wss1-RIPE

RIPE NCCallocatedASPA Published

Announced Prefixes (BGP)

71total

66 IPv45 IPv6

IPv4 Addresses

Allocated (RIR)41,984

Announced (BGP)41,728

IPv6 Addresses

Allocated (RIR)6.3×10²⁹

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇨🇿 CZ

RIR

RIPE NCC

Status

allocated

Allocated

2001-12-07

Routing hygiene

Score 5/100 · Low risk

RPKI ROA coverage

97.2%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 55/100

No significant routing hygiene issues found

Based on 71 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained

Announced Prefixes

(BGP)71

Prefix	RPKI	IRR	Last Seen
31.7.240.0/21	Valid	RIPE	2026-10-26
77.78.64.0/22	Valid	RIPE	2026-10-26
77.78.68.0/23	Valid	RIPE	2026-10-26
77.78.74.0/23	Valid	RIPE	2026-10-26
77.78.80.0/21	Valid	RIPE	2026-10-26
77.78.88.0/23	Valid	RIPE	2026-10-26
77.78.91.0/24	Valid	RIPE	2026-10-26
77.78.92.0/23	Valid	RIPE	2026-10-26
77.78.122.0/24	Valid	RIPE	2026-10-26
80.250.0.0/19	Valid	RIPE	2026-10-26

1-10 of 71

1 / 8

Allocated Prefixes

(RIR)67

Prefix	Country	RIR	Status
5.198.132.0/22	🇨🇿 CZ	RIPENCC	allocated
31.7.240.0/21	🇨🇿 CZ	RIPENCC	allocated
77.78.64.0/22	🇨🇿 CZ	RIPENCC	allocated
77.78.68.0/23	🇨🇿 CZ	RIPENCC	allocated
77.78.74.0/23	🇨🇿 CZ	RIPENCC	allocated
77.78.80.0/21	🇨🇿 CZ	RIPENCC	allocated
77.78.88.0/23	🇨🇿 CZ	RIPENCC	allocated
77.78.91.0/24	🇨🇿 CZ	RIPENCC	allocated
77.78.92.0/23	🇨🇿 CZ	RIPENCC	allocated
77.78.122.0/24	🇨🇿 CZ	RIPENCC	allocated

1-10 of 67

1 / 7

All 71 announced prefixes of AS21430 →

Upstream Providers(4)

ASN	Name
AS1299	🇸🇪TWELVE99 Arelion Sweden AB
AS3257	🇺🇸GTT-BACKBONE GTT Communications Inc.
AS3491	🇭🇰PCCWG-APAC-HK - PCCW Global (HK) Ltd.
AS39392	🇨🇿SuperNetwork SH.cz s.r.o.

Downstream Customers(4)

ASN	Name
AS12608	🇨🇿IGLG-7F5-DATA IGLG Network CZ s.r.o.
AS15614	🇨🇿Dragon Dragon Internet a.s.
AS204183	🇨🇿Omnivery-EU Omnivery s.r.o.
AS209369	🇨🇿TCPRO The Cloud Provider s.r.o.

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS21430 hands its own prefixes to: transit providers, or peers at an exchange.

AS39392SuperNetwork SH.Cz S.R.O38
AS1299TWELVE99 Arelion Sweden AB29
AS3257GTT BACKBONE GTT Communications3
AS22356Durand Do Brasil Ltda1

Downstreams (6)

Networks whose own prefixes AS21430 passes on: usually its customers.

AS203376MAILKIT S.R.O6
AS42189EUROSIGNAL Druzstvo EUROSIGNAL4
AS33943CBEZDRAT Quadruple A.S2
AS39761ABAK2
AS15614Dragon Internet A.S1
AS204183Omnivery EU Omnivery S.R.O1

Other adjacent networks (1)

Adjacent to AS21430 in the transit part of AS paths: peers, providers or customers.

AS3491PCCW Global (HK)3

ASPA

Published4 upstreams, 4 downstreams

Authorized Upstream Providers

AS1299 AS3257 AS3491 AS39392

Expires 2026-10-27

Listed as Upstream Provider by

4 ASNs

View full ASPA details →

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
How to run an ASPA checkVerify the upstream providers listed above
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/21430

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

curl -s "https://api.ipctl.io/v1/asn/21430" | jq