Home ASN LookupAS26599

AS26599 TELEFONICA BRASIL S.A

🇧🇷

Org handle: 124137

LACNICallocated

Announced Prefixes (BGP)

723total

443 IPv4280 IPv6

IPv4 Addresses

Allocated (RIR)6.7M

Announced (BGP)19.7M

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)1.3×10²⁸

Prefix Limit (IPv4)

10,000

Prefix Limit (IPv6)

1,000

Country

🇧🇷 BR

RIR

LACNIC

Status

allocated

Allocated

2002-09-16

Listed on the threat map (2026-10-10)

#6 in Brazil (31 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)723

Prefix	RPKI	IRR	Last Seen
152.234.64.0/18	No ROA	Other IRR	2026-10-11
152.240.0.0/13	No ROA	Other IRR	2026-10-11
152.240.0.0/17	No ROA	-	2026-10-11
152.240.128.0/17	No ROA	-	2026-10-11
152.241.0.0/17	No ROA	-	2026-10-11
152.242.0.0/17	No ROA	-	2026-10-11
152.242.128.0/17	No ROA	-	2026-10-11
152.244.128.0/17	No ROA	-	2026-10-11
152.244.128.0/18	No ROA	-	2026-10-11
152.247.128.0/17	No ROA	-	2026-10-11

1-10 of 723

1 / 73

Allocated Prefixes

(RIR)48

Prefix	Country	RIR	Status
152.234.64.0/18	🇧🇷 BR	LACNIC	allocated
152.240.0.0/13	🇧🇷 BR	LACNIC	allocated
177.24.0.0/16	🇧🇷 BR	LACNIC	allocated
177.26.0.0/16	🇧🇷 BR	LACNIC	allocated
177.62.0.0/16	🇧🇷 BR	LACNIC	allocated
177.112.0.0/14	🇧🇷 BR	LACNIC	allocated
177.116.0.0/15	🇧🇷 BR	LACNIC	allocated
177.160.0.0/14	🇧🇷 BR	LACNIC	allocated
177.168.0.0/15	🇧🇷 BR	LACNIC	allocated
177.172.0.0/14	🇧🇷 BR	LACNIC	allocated

1-10 of 48

1 / 5

All 723 announced prefixes of AS26599 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS26599 hands its own prefixes to: transit providers, or peers at an exchange.

AS10429TELEFONICA BRASIL S.A729

Downstreams (1)

Networks whose own prefixes AS26599 passes on: usually its customers.

AS27699TELEFONICA BRASIL S.A42

ASPA

No ASPA

External Links

LACNIC Whois RIPEstat

Learn more

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 AS26599 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

Open

GEThttps://api.ipctl.io/v1/asn/26599

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

curl -s "https://api.ipctl.io/v1/asn/26599" | jq