HomeASN LookupAS21574

AS21574

🇧🇷

AS21574 - Century Telecom Ltda120573

LACNICallocated
Announced Prefixes (BGP)
10total
9 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)13,312
Announced (BGP)18,688
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Country
🇧🇷 BR
RIR
LACNIC
Status
allocated
Allocated
6/7/2001

Announced Prefixes

(BGP)10
|
Prefix
RPKI
IRR
Last Seen
168.227.200.0/22
No ROA
RADB
5/24/2026
168.227.200.0/23
No ROA—5/24/2026
168.227.202.0/23
No ROA—5/24/2026
186.249.224.0/20
No ROA
RADB
5/24/2026
186.249.224.0/21
No ROA—5/24/2026
186.249.232.0/21
No ROA—5/24/2026
187.1.176.0/20
No ROA
RADB
5/24/2026
187.1.178.0/24
No ROA
RADB
5/24/2026
200.169.0.0/20
No ROA
RADB
5/24/2026
2804:23ec::/32
No ROA
RADB
5/24/2026

Allocated Prefixes

(RIR)5
Prefix
Country
RIR
Status
168.227.200.0/22🇧🇷 BRLACNICallocated
186.249.224.0/20🇧🇷 BRLACNICallocated
187.1.176.0/20🇧🇷 BRLACNICallocated
200.169.0.0/20🇧🇷 BRLACNICallocated
2804:23ec::/32🇧🇷 BRLACNICallocated

Downstream Customers(1)

ASNName
AS14789🇺🇸CLOUDFLARENET - Cloudflare, Inc.
ASPA
No ASPA0 upstreams, 1 downstream
Listed as Upstream Provider by
1 ASN
View full ASPA details →
External Links
LACNIC WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/21574

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

curl -s "https://api.ipctl.io/v1/asn/21574" | jq