HomeASN LookupAS28576

AS28576

🇧🇷

AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil101745

LACNICallocated
Announced Prefixes (BGP)
14total
13 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)12,288
Announced (BGP)10,752
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Country
🇧🇷 BR
RIR
LACNIC
Status
allocated
Allocated
4/6/2004

Announced Prefixes

(BGP)14
|
Prefix
RPKI
IRR
Last Seen
187.73.128.0/21
 Valid—5/25/2026
187.73.130.0/24
 Valid
RADB
5/25/2026
187.73.132.0/24
 Valid
RADB
5/25/2026
189.38.16.0/22
 Valid—5/25/2026
189.38.20.0/23
 Valid—5/25/2026
189.38.23.0/24MOAS
 Valid
RADB
5/25/2026
189.38.24.0/21
No ROA—5/25/2026
200.220.144.0/22
 Valid—5/25/2026
200.220.146.0/24
 Valid
RADB
5/25/2026
200.220.148.0/23
 Valid—5/25/2026
1–10 of 14
1 / 2

Allocated Prefixes

(RIR)4
Prefix
Country
RIR
Status
187.73.128.0/20🇧🇷 BRLACNICallocated
189.38.16.0/20🇧🇷 BRLACNICallocated
200.220.144.0/20🇧🇷 BRLACNICallocated
2804:3c::/32🇧🇷 BRLACNICallocated
ASPA
No ASPA
External Links
LACNIC WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/28576

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

curl -s "https://api.ipctl.io/v1/asn/28576" | jq