AS266434 MASTER DATA TELECOMUNICACOES LTDA - ME

🇅🇅

LACNICreserved

Announced Prefixes (BGP)

5total

4 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

reserved

Allocated

2016-12-19

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
170.82.52.0/22MOAS	No ROA	Other IRR	2026-10-11
170.82.52.0/23	No ROA	Other IRR	2026-10-11
170.82.52.0/24MOAS	No ROA	Other IRR	2026-10-11
170.82.55.0/24MOAS	No ROA	Other IRR	2026-10-11
2804:37c0::/32	No ROA	Other IRR	2026-10-11

(RIR)2

Prefix	Country	RIR	Status
170.82.52.0/22	🇧🇷 BR	LACNIC	allocated
2804:37c0::/32	-	LACNIC	reserved

(seen in AS paths)

Networks AS266434 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 AS266434 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/266434" | jq