HomeASN LookupAS24971

AS24971

🇨🇿

MASTER-AS MasterDC s.r.o.ORG-MIs2-RIPE

Czech Republic / www.master.cz

RIPENCCallocatedASPA Published
Announced Prefixes (BGP)
46total
33 IPv413 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)59,088
Announced (BGP)58,880
IPv6 Addresses ⓘ
Allocated (RIR)1.5×10^30
Announced (BGP)1.6×10^30
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
50
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
6/11/2002

Announced Prefixes

(BGP)46
|
Prefix
RPKI
IRR
Last Seen
5.180.200.0/22
 Valid
RIPE
5/22/2026
37.140.220.0/24
 Valid
RIPE
5/22/2026
37.205.8.0/22
 Valid
RIPE
5/22/2026
37.205.12.0/22
 Valid
RIPE
5/22/2026
77.93.192.0/19
 Valid
RIPE
5/22/2026
80.79.16.0/20
 Valid
RIPE
5/22/2026
81.31.32.0/20
 Valid
RIPE
5/22/2026
83.167.224.0/19
 Valid
RIPE
5/22/2026
83.223.52.0/24
No ROA
RIPE
5/22/2026
85.118.128.0/21
 Valid
RIPE
5/22/2026
1–10 of 46
1 / 5

Allocated Prefixes

(RIR)181
Prefix
Country
RIR
Status
5.180.200.0/22🇨🇿 CZRIPENCCallocated
37.140.220.0/24🇨🇿 CZRIPENCCallocated
37.205.12.0/22🇨🇿 CZRIPEassigned
77.93.192.0/19🇨🇿 CZRIPENCCallocated
77.93.201.32/29🇨🇿 CZRIPEassigned
77.93.204.0/25🇨🇿 CZRIPEassigned
77.93.209.64/26🇨🇿 CZRIPEassigned
77.93.209.192/28🇨🇿 CZRIPEassigned
77.93.211.16/28🇨🇿 CZRIPEassigned
77.93.217.64/26🇨🇿 CZRIPEassigned
1–10 of 181
1 / 19

Upstream Providers(2)

ASNName
AS1299🇸🇪TWELVE99 Arelion Sweden AB
AS9002🇬🇧RETN-AS RETN Limited
ASPA
Published2 upstreams, 0 downstreams
Authorized Upstream Providers
AS1299AS9002
Expires May 31, 2026
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/24971

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

curl -s "https://api.ipctl.io/v1/asn/24971" | jq