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AS27720

Citta Telecom

Brazil (BR)

ASN Information

AS NumberAS27720
AS NameAS27720
OrganizationAS27720 - CITTA TELECOM LTDA
Also known asNot available
CountryBrazil (BR)
RegistryLACNIC
ASN TypeNSP
Last Seen
Announcement Count57
IPv4 Prefix Count23
IPv6 Prefix Count34
RPKI StatusValid ×19NotFound ×4Unknown (could not be determined) ×27
IRR RecordsView IRR route objects
Websitehttp://www.cittatelecom.com.br/ ↗

AS Path to AS27720

  1. 37271—
  2. 2914NTT-DATA-2914 - NTT America, Inc.
  3. 27720Origin

Most common path, seen 20× in route collector data, latest at a collector in Johannesburg (2026-10-17 15:01:17 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 20 peer session(s)Johannesburg: 23 peer session(s)Singapore: 23 peer session(s)Amsterdam: 25 peer session(s)London: 32 peer session(s)Eugene, OR: 58 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (57)

View All →
PrefixFamilyRPKILast Seen
138.59.96.0/22IPv4ValidNot looked up yet
138.59.96.0/23IPv4ValidNot looked up yet
138.59.96.0/24IPv4ValidNot looked up yet
138.59.97.0/24IPv4ValidNot looked up yet
138.59.98.0/23IPv4ValidNot looked up yet
138.59.98.0/24IPv4ValidNot looked up yet
138.59.99.0/24IPv4ValidNot looked up yet
143.208.156.0/22IPv4ValidNot looked up yet

Peers (36)

View All →
ASNameRelationshipPathsLast Seen
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)314
AS22381AS22381 - SAMM TECNOLOGIA E TELECOMUNICACOES S.AUpstream (inferred)230
AS28663AS28663 - FLYS INTERATIVA LTDAUpstream (inferred)195
AS26615AS26615 - TIM S/AUpstream (inferred)45
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)36
AS52863AS52863 - UPX TECNOLOGIA LTDAUpstream (inferred)35
AS39120CONVERGENZE-AS Convergenze S.p.A.Upstream (inferred)10
AS51185MAINSTREAMING-AS MainStreaming SpAUpstream (inferred)10

Neighbours seen next to AS27720 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (2)

IX Updates →
ExchangeLocationIPv4IPv6SpeedRS peerUpdated
IX.br (PTT.br) Rio de JaneiroRio de Janeiro/RJ, BR45.68.81.502001:12f8:0:2::53:5010GYes
IX.br (PTT.br) São PauloSão Paulo/SP, BR187.16.220.1642001:12f8::220:16430GYes

IX ports registered by AS27720 (self-reported by the network).

Interconnection Facilities (2)

FacilityCityCountry
Equinix SP2 - São PauloBarueriBrazil
Durand Pix - Globenet RJRio de JaneiroBrazil

Data centres where AS27720 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETAS-CITTA-ALL
Member of AS-SETsSee IRR page
Peering policyOpen
Multiple locationsNot Required
Ratio requirementNo
ContractNot Required
Traffic20-50Gbps
Traffic ratioMostly Inbound
Geographic scopeSouth America
Max prefixes (IPv4 / IPv6)18 / 1
Unicast / IPv6 / MulticastYes / Yes / No
Looking glasshttp://lg.cittatelecom.com.br ↗
Route serverhttp://bgpview.cittatelecom.com.br:3000/ ↗

Contact Information (0)

No public contacts are registered for AS27720.

Only contacts the network has chosen to publish are shown.

Upstreams (24)

View all →
ASNameRelationshipPathsLast Seen
AS2914NTT-DATA-2914 - NTT America, Inc.Upstream (inferred)314
AS22381AS22381 - SAMM TECNOLOGIA E TELECOMUNICACOES S.AUpstream (inferred)230
AS28663AS28663 - FLYS INTERATIVA LTDAUpstream (inferred)195
AS26615AS26615 - TIM S/AUpstream (inferred)45
AS6939HURRICANE - Hurricane Electric LLCUpstream (inferred)36
AS52863AS52863 - UPX TECNOLOGIA LTDAUpstream (inferred)35
AS39120CONVERGENZE-AS Convergenze S.p.A.Upstream (inferred)10
AS51185MAINSTREAMING-AS MainStreaming SpAUpstream (inferred)10
AS199524GCORE G-Core Labs S.A.Upstream (inferred)10
AS271253AS271253 - LINK BRASIL TELECOMUNICACOES LTDAUpstream (inferred)10
AS9498BBIL-AP - BHARTI Airtel Ltd.Upstream (inferred)5
AS24482SGGS-AS-AP - SG.GSUpstream (inferred)5

Downstreams (2)

ASNameRelationshipPathsLast Seen
AS28336AS28336 - Dekanet Comunicacao Multimidia Ltda.Downstream (inferred)Inferred—
AS263584AS263584 - WanHouse Solucoes em Tecnologia LTDA - EPPDownstream (inferred)Inferred—

Registry and network details

Registered holderAS27720 - CITTA TELECOM LTDA
RegisteredYes
Peering policyOpen
IRR AS-setAS-CITTA-ALL
Registry record last modifiedNot available
MaintainersNot available
Internet exchanges2
Facilities2
Network profile updated

Data updated . See limitations.