AS263789 CORTUC S.A.

🇦🇷

Org handle: 238328

LACNICallocated

Announced Prefixes (BGP)

6total

5 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)1,024

Announced (BGP)2,048

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2015-06-24

Announced Prefixes

(BGP)6

Prefix	RPKI	IRR	Last Seen
138.121.84.0/22	Valid	LACNICOther IRR	2026-10-11
138.121.84.0/24	Valid	Other IRR	2026-10-11
138.121.85.0/24	Valid	Other IRR	2026-10-11
138.121.86.0/24	Valid	Other IRR	2026-10-11
138.121.87.0/24	Valid	Other IRR	2026-10-11
2803:8c40::/32	Valid	LACNICOther IRR	2026-10-11

(RIR)2

Prefix	Country	RIR	Status
138.121.84.0/22	🇦🇷 AR	LACNIC	allocated
2803:8c40::/32	🇦🇷 AR	LACNIC	allocated

(seen in AS paths)

Networks AS263789 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 AS263789 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/263789" | jq