Home ASN LookupAS27720

AS27720 AS27720 - CITTA TELECOM LTDA

🇧🇷

Org handle: 146145

LACNICallocatedASPA Published

Announced Prefixes (BGP)

56total

23 IPv433 IPv6

IPv4 Addresses

Allocated (RIR)5,120

Announced (BGP)12,800

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

Prefix Limit (IPv6)

100

Country

🇧🇷 BR

RIR

LACNIC

Status

allocated

Allocated

2013-04-22

Routing hygiene

Score 19/100 · Low risk

RPKI ROA coverage

91.1%

1 prefix RPKI invalid

IRR route objects

92.9%

4 prefixes registered for another origin

Hijack signals

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

Upstreams

diversity 66/100

4 prefixes registered in IRR route objects for another active network and not authorized by a ROA
9% of announced prefixes (5 of 56) have no valid ROA, 1 of them RPKI invalid

Based on 56 announced prefixes, updated daily (2026-10-21). How the score works · RPKI explained

Announced Prefixes

(BGP)56

Prefix	RPKI	IRR	Last Seen
138.59.96.0/22	Valid	Other IRR	2026-10-26
138.59.96.0/23	Valid	Other IRR	2026-10-26
138.59.96.0/24	Valid	Other IRR	2026-10-26
138.59.97.0/24	Valid	Other IRR	2026-10-26
138.59.98.0/23	Valid	Other IRR	2026-10-26
138.59.98.0/24	Valid	Other IRR	2026-10-26
138.59.99.0/24	Valid	Other IRR	2026-10-26
143.208.156.0/22	Valid	Other IRR	2026-10-26
143.208.156.0/24	Valid	Other IRR	2026-10-26
143.208.157.0/24	Valid	Other IRR	2026-10-26

1-10 of 56

1 / 6

Allocated Prefixes

(RIR)6

Prefix	Country	RIR	Status
138.59.96.0/22	🇧🇷 BR	LACNIC	allocated
143.208.156.0/22	🇧🇷 BR	LACNIC	allocated
177.129.8.0/22	🇧🇷 BR	LACNIC	allocated
177.129.12.0/22	🇧🇷 BR	LACNIC	allocated
200.95.172.0/22	🇧🇷 BR	LACNIC	allocated
2804:da4::/32	🇧🇷 BR	LACNIC	allocated

All 56 announced prefixes of AS27720 →

Upstream Providers(5)

ASN	Name
AS2914	🇺🇸NTT-DATA-2914 - NTT America, Inc.
AS26615	🇧🇷AS26615 - TIM S/A
AS28663	🇧🇷AS28663 - FLYS INTERATIVA LTDA
AS52863	🇧🇷AS52863 - UPX TECNOLOGIA LTDA
AS262444	🇧🇷AS262444 - XTURBO PROVEDOR DE INTERNET LTDA

BGP Neighbours

(seen in AS paths)

Upstreams (6)

Networks AS27720 hands its own prefixes to: transit providers, or peers at an exchange.

AS262444XTURBO PROVEDOR DE INTERNET LTDA31
AS2914NTT America9
AS22381SAMM TECNOLOGIA E TELECOMUNICACOES S.A7
AS26615TIM S/A5
AS28663FLYS INTERATIVA LTDA5
AS52863UPX TECNOLOGIA LTDA1

Downstreams (2)

Networks whose own prefixes AS27720 passes on: usually its customers.

AS28336Dekanet Comunicacao Multimidia Ltda3
AS263584WanHouse Solucoes Em Tecnologia LTDA EPP2

ASPA

Published5 upstreams, 0 downstreams

Authorized Upstream Providers

AS2914 AS26615 AS28663 AS52863 AS262444

Expires 2026-10-27

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/27720

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

curl -s "https://api.ipctl.io/v1/asn/27720" | jq