Home ASN LookupAS28201

AS28201 AS28201 - Companhia Itabirana Telecomunicacoes Ltda

🇧🇷

Org handle: 102554

LACNICallocated

Announced Prefixes (BGP)

243total

236 IPv47 IPv6

IPv4 Addresses

Allocated (RIR)68,608

Announced (BGP)227,584

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)2.3×10²⁹

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

Country

🇧🇷 BR

RIR

LACNIC

Status

allocated

Allocated

2008-04-09

Routing hygiene

Score 8/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 18/100

Routes concentrated on one upstream (90% of routes)

Based on 243 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)243

Prefix	RPKI	IRR	Last Seen
45.7.212.0/22	Valid	Other IRR	-
45.7.212.0/23	Valid	Other IRR	-
45.7.214.0/23	Valid	Other IRR	-
45.161.140.0/22	Valid	Other IRR	-
45.161.140.0/23	Valid	Other IRR	-
45.161.142.0/23	Valid	Other IRR	-
45.191.168.0/22	Valid	Other IRR	-
45.191.168.0/23	Valid	Other IRR	-
45.191.170.0/23	Valid	Other IRR	-
45.231.8.0/22	Valid	Other IRR	-

1-10 of 243

1 / 25

Allocated Prefixes

(RIR)34

Prefix	Country	RIR	Status
45.7.212.0/22	🇧🇷 BR	LACNIC	allocated
45.161.140.0/22	🇧🇷 BR	LACNIC	allocated
45.191.168.0/22	🇧🇷 BR	LACNIC	allocated
45.231.8.0/22	🇧🇷 BR	LACNIC	allocated
45.235.116.0/22	🇧🇷 BR	LACNIC	allocated
131.161.4.0/22	🇧🇷 BR	LACNIC	allocated
138.59.20.0/22	🇧🇷 BR	LACNIC	allocated
138.117.204.0/22	🇧🇷 BR	LACNIC	allocated
138.121.64.0/22	🇧🇷 BR	LACNIC	allocated
138.185.24.0/22	🇧🇷 BR	LACNIC	allocated

1-10 of 34

1 / 4

All 243 announced prefixes of AS28201 →

Downstream Customers(1)

ASN	Name
AS14789	🇺🇸CLOUDFLARENET - Cloudflare, Inc.

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS28201 hands its own prefixes to: transit providers, or peers at an exchange.

AS52320GlobeNet Cabos Submarinos Colombia, S.A.S219
AS3356Level 3 Parent16
AS49544I3Dnet I3D.Net B.V6
AS13786Seabras 1 USA1
AS137409GSL Networks Pty1

Downstreams (15)

Networks whose own prefixes AS28201 passes on: usually its customers.

AS262669Companhia Itabirana Telecomunicacoes Ltda52
AS270683RFF Telecomunicacoes E Consultoria LTDA11
AS266149BDC TELECOM9
AS10670COMPANHIA DE TECNOLOGIA DA INFORMACAO ESTADO MG6
AS265448NETWORK INFORMATICA LTDA. ME4
AS272244Pi Telecom4
AS263261TRIBUNAL REGIONAL DO TRABALHO DA 3A REGIAO3
AS14789Cloudflare2
AS52608ASSEMBLEIA LEGISLATIVA DE MINAS GERAIS2
AS268314EWERTON DA SILVA LOPES TELECOMUNICACOES2
AS269306ULTRANET SERVICOS DE COMUNICACAO2
AS53194VIP NETWORK TELECOMUNICACOES LTDA1
AS267481TUDONLINE SERVICOS E COMERCIO LTDA ME1
AS271049Rede EXS Telecomunicacoes LTDA1
AS271471BIT CENTER INFORMATICA EIRELI1

Other adjacent networks (2)

Adjacent to AS28201 in the transit part of AS paths: peers, providers or customers.

AS263099STIW Sistema De Telecom. Inf E Wireless LTDA4
AS10429TELEFONICA BRASIL S.A2

ASPA

No ASPA0 upstreams, 1 downstream

Listed as Upstream Provider by

1 ASN

View full ASPA details →

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
How to run an ASPA checkVerify the upstream providers listed above
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/28201

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

curl -s "https://api.ipctl.io/v1/asn/28201" | jq