AS28581 Banco Santander Brasil S.A.

🇧🇷

Org handle: 124720

LACNICallocated

Announced Prefixes (BGP)

17total

17 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)4,096

Announced (BGP)8,192

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2004-08-04

Announced Prefixes

(BGP)17

Prefix	RPKI	IRR	Last Seen
200.220.176.0/20	No ROA	Other IRR	2026-10-11
200.220.176.0/24	No ROA	Other IRR	2026-10-11
200.220.177.0/24	No ROA	Other IRR	2026-10-11
200.220.178.0/24	No ROA	Other IRR	2026-10-11
200.220.179.0/24	No ROA	Other IRR	2026-10-11
200.220.180.0/24	No ROA	Other IRR	2026-10-11
200.220.181.0/24	No ROA	Other IRR	2026-10-11
200.220.182.0/24	No ROA	Other IRR	2026-10-11
200.220.183.0/24	No ROA	Other IRR	2026-10-11
200.220.184.0/24	No ROA	Other IRR	2026-10-11

1-10 of 17

1 / 2

(RIR)1

Prefix	Country	RIR	Status
200.220.176.0/20	🇧🇷 BR	LACNIC	assigned

(seen in AS paths)

Networks AS28581 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

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
ASPA explainedWhy AS28581 should publish an ASPA object
IPv4 transfers in the LACNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

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

curl -s "https://api.ipctl.io/v1/asn/28581" | jq