HomeASN LookupAS197451

AS197451

🇨🇿

VUTBR-AS Brno University of TechnologyORG-BUOT1-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
12total
8 IPv44 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)59,392
Announced (BGP)67,584
IPv6 Addresses ⓘ
Allocated (RIR)9.5×10^29
Announced (BGP)1×10^30
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
20
Country
🇨🇿 CZ
RIR
RIPENCC
Status
allocated
Allocated
12/8/2010

Announced Prefixes

(BGP)12
|
Prefix
RPKI
IRR
Last Seen
147.229.0.0/17
 Valid
RADBRIPE
5/29/2026
147.229.128.0/18
 Valid
RADBRIPE
5/29/2026
147.229.192.0/19
 Valid
RADBRIPE
5/29/2026
147.229.224.0/19
 Valid
RADBRIPE
5/29/2026
185.62.108.0/23
 Valid
RIPE
5/29/2026
185.149.204.0/22
No ROA
RIPE
5/29/2026
185.149.204.0/24
No ROA
RIPE
5/29/2026
185.149.205.0/24
No ROA
RIPE
5/29/2026
2001:67c:1220::/46
 Valid
RIPE
5/29/2026
2a03:2e0::/32
 Valid
RIPE
5/29/2026
1–10 of 12
1 / 2

Allocated Prefixes

(RIR)10
Prefix
Country
RIR
Status
147.229.0.0/17🇨🇿 CZRIPEassigned
147.229.128.0/18🇨🇿 CZRIPEassigned
147.229.192.0/19🇨🇿 CZRIPEassigned
185.62.108.0/23🇨🇿 CZRIPEassigned
185.149.204.0/22🇨🇿 CZRIPENCCallocated
185.149.204.0/24🇨🇿 CZRIPEassigned
185.149.205.0/24🇨🇿 CZRIPEassigned
2001:67c:1220::/46🇨🇿 CZRIPENCCassigned
2a03:2e4::/30🇨🇿 CZRIPEassigned
2a07:6bc0::/29🇨🇿 CZRIPENCCallocated
ASPA
No ASPA
Abuse Contact
+31205354444
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/197451

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

curl -s "https://api.ipctl.io/v1/asn/197451" | jq