asn.dev

Routing security

AS52871 TASCOM TELECOMUNICACOES LTDA

Residential APNIC Cable/DSL/ISP

RPKI valid 100% 135 of 135 announcements
RPKI invalid 0 none
No ROA 0 not covered by any ROA
IRR registered 100% 0 missing · 0 other origin
ROAs 34 authorising this AS

Announcements

What this network originates

135 observed

Every prefix observed with AS52871 as its origin, checked against RPKI and the IRR. Problems sort first.

PrefixRPKIIRRVantage points
177.136.0.0/21RPKI validIRR52
177.136.2.0/24RPKI validIRR53
177.136.3.0/24RPKI validIRR53
177.136.5.0/24RPKI validIRR3
177.136.6.0/24RPKI validIRR53
177.136.8.0/23RPKI validIRR52
177.136.8.0/24RPKI validIRR53
177.136.9.0/24RPKI validIRR53
177.136.12.0/24RPKI validIRR52
177.136.14.0/23RPKI validIRR52
177.136.15.0/24RPKI validIRR53
177.136.32.0/21RPKI validIRR52
177.136.40.0/23RPKI validIRR52
177.136.43.0/24RPKI validIRR53
177.136.44.0/23RPKI validIRR52
177.136.47.0/24RPKI validIRR52
201.157.194.0/23RPKI validIRR52
201.157.194.0/24RPKI validIRR53
201.157.195.0/24RPKI validIRR53
201.157.199.0/24RPKI validIRR53
201.157.200.0/21RPKI validIRR52
201.157.203.0/24RPKI validIRR53
201.157.204.0/24RPKI validIRR53
201.157.205.0/24RPKI validIRR3
201.157.206.0/24RPKI validIRR53
201.157.207.0/24RPKI validIRR3
201.157.208.0/23RPKI validIRR52
201.157.208.0/24RPKI validIRR53
201.157.209.0/24RPKI validIRR53
201.157.210.0/24RPKI validIRR52
201.157.212.0/24RPKI validIRR52
201.157.214.0/23RPKI validIRR52
201.157.215.0/24RPKI validIRR53
201.157.217.0/24RPKI validIRR53
201.157.218.0/24RPKI validIRR53
201.157.220.0/24RPKI validIRR52
201.157.229.0/24RPKI validIRR52
201.157.231.0/24RPKI validIRR53
201.157.235.0/24RPKI validIRR53
201.157.236.0/23RPKI validIRR52
201.157.236.0/24RPKI validIRR53
201.157.237.0/24RPKI validIRR53
201.157.251.0/24RPKI validIRR52
201.157.252.0/22RPKI validIRR52
2804:870::/32RPKI validIRR31
2804:870::/48RPKI validIRR covering30
2804:870:1c::/48RPKI validIRR covering30
2804:870:1e::/48RPKI validIRR covering30
2804:870:1f::/48RPKI validIRR covering30
2804:870:3::/48RPKI validIRR covering30
2804:870:4::/48RPKI validIRR covering30
2804:870:5::/48RPKI validIRR covering30
2804:870:7a00::/40RPKI validIRR covering31
2804:870:7b00::/40RPKI validIRR covering31
2804:870:7c00::/40RPKI validIRR covering31
2804:870:7d00::/40RPKI validIRR covering31
2804:870:17::/48RPKI validIRR covering30
2804:870:39::/48RPKI validIRR covering30
2804:870:40::/44RPKI validIRR covering30
2804:870:80::/44RPKI validIRR covering30
2804:870:100::/40RPKI validIRR covering31
2804:870:400::/40RPKI validIRR covering30
2804:870:500::/40RPKI validIRR covering31
2804:870:d::/48RPKI validIRR covering30
2804:870:f88b::/48RPKI validIRR covering30
2804:870:f88d::/48RPKI validIRR covering30
2804:870:f90a::/48RPKI validIRR covering30
2804:870:f90b::/48RPKI validIRR covering30
2804:870:f90c::/48RPKI validIRR covering30
2804:870:f90d::/48RPKI validIRR covering30
2804:870:f90e::/48RPKI validIRR covering30
2804:870:f90f::/48RPKI validIRR covering30
2804:870:f91a::/48RPKI validIRR covering30
2804:870:f91b::/48RPKI validIRR covering30
2804:870:f91c::/48RPKI validIRR covering30
2804:870:f91d::/48RPKI validIRR covering30
2804:870:f91e::/48RPKI validIRR covering30
2804:870:f91f::/48RPKI validIRR covering30
2804:870:f92a::/48RPKI validIRR covering30
2804:870:f92b::/48RPKI validIRR covering30
2804:870:f92c::/48RPKI validIRR covering30
2804:870:f92d::/48RPKI validIRR covering30
2804:870:f92e::/48RPKI validIRR covering30
2804:870:f92f::/48RPKI validIRR covering30
2804:870:f93a::/48RPKI validIRR covering30
2804:870:f93c::/48RPKI validIRR covering30
2804:870:f93d::/48RPKI validIRR covering30
2804:870:f93f::/48RPKI validIRR covering30
2804:870:f800::/40RPKI validIRR covering31
2804:870:f801::/48RPKI validIRR covering30
2804:870:f880::/48RPKI validIRR covering30
2804:870:f881::/48RPKI validIRR covering30
2804:870:f883::/48RPKI validIRR covering30
2804:870:f884::/48RPKI validIRR covering30
2804:870:f887::/48RPKI validIRR covering30
2804:870:f901::/48RPKI validIRR covering30
2804:870:f902::/48RPKI validIRR covering30
2804:870:f903::/48RPKI validIRR covering29
2804:870:f904::/48RPKI validIRR covering30
2804:870:f905::/48RPKI validIRR covering30

RPKI · ROAs

Route origin authorisations

34 ROAs

Signed statements by address holders that AS52871 may originate these prefixes, up to the maximum length shown.

ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.

RPKI · ASPA

Declared transit providers

2 declared

This network has signed an ASPA record naming its transit providers. Each is compared against the upstreams observed in routing paths.

ASNetworkASPARouting paths
AS3356Level 3 Parent, LLCDeclaredObserved
AS6762TELECOM ITALIA SPARKLE S.p.A.DeclaredObserved
AS6939Hurricane Electric LLCnot declaredObserved
AS24482SG.GSnot declaredObserved
AS37721Virtual Technologies & Solutionsnot declaredObserved
AS35280F5 Networks SARLnot declaredObserved

An observed upstream that is not declared is not necessarily a leak: our upstream inference cannot tell a transit provider from a peer seen in the same position. A declared provider that is never observed is usually a backup path.

IRR

Registered route objects

92 objects · 47 not announced

Route objects naming AS52871 as origin, across RADb, the RIR registries, ALTDB and NTTCOM. Objects that are registered but not announced come first: a stale object lets anyone who can spoof this origin through an IRR-built filter.

PrefixSourceDescriptionMaintainerChangedRouting
177.136.0.0/22RADBCIDR /22MAINT-AS528712023-11-13Not announced
177.136.0.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.0.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Not announced
177.136.1.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Not announced
177.136.2.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.4.0/22RADBCIRD /22MAINT-AS528712023-11-13Not announced
177.136.4.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.4.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.6.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.7.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.14.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Not announced
177.136.32.0/22RADBCIDR /22MAINT-AS528712023-11-13Not announced
177.136.32.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.32.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.33.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.34.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.34.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.35.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.36.0/22RADBCIDR /22MAINT-AS528712023-11-13Not announced
177.136.36.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.36.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.37.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.38.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
177.136.38.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.39.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.40.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Not announced
177.136.41.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Not announced
177.136.44.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
177.136.45.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.200.0/22RADBCIDR /22MAINT-AS528712023-11-13Not announced
201.157.200.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
201.157.200.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.201.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.202.0/23RADBCIDR/23MAINT-AS528712023-11-13Not announced
201.157.202.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.204.0/22RADBCIDR /MAINT-AS528712023-11-13Not announced
201.157.204.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
201.157.206.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
201.157.214.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.252.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
201.157.252.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.253.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.254.0/23RADBCIDR /23MAINT-AS528712023-11-13Not announced
201.157.254.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
201.157.255.0/24RADBCIDR /24MAINT-AS528712023-11-13Not announced
2804:870:f600::/40RADB/40 CAMPUS PARTYMAINT-AS528712024-07-06Not announced
2804:870:fffb::/48RADBTransito TASCOM TELECOMUNICAOES LTDAMAINT-AS286632023-11-13Not announced
177.136.0.0/21RADBCIDR /21MAINT-AS528712023-11-13Announced
177.136.2.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.3.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.5.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.6.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Announced
177.136.8.0/23RADBCIDR /23MAINT-AS528712023-11-13Announced
177.136.8.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.9.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.12.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.14.0/23RADBCIDIR /23MAINT-AS528712023-11-13Announced
177.136.15.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
177.136.32.0/21RADBCIDR /21MAINT-AS528712023-11-13Announced
177.136.40.0/23RADBCIDR /23MAINT-AS528712023-11-13Announced
177.136.43.0/24RADBCIDR /24MAINT-AS528712025-08-22Announced
177.136.44.0/23RADBCIDR /23MAINT-AS528712023-11-13Announced
177.136.47.0/24RADBTASCOM CIDR /24MAINT-AS528712023-11-13Announced
201.157.194.0/23RADBCIDR /23MAINT-AS528712023-11-13Announced
201.157.194.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.195.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.199.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.200.0/21RADBCIDR /21MAINT-AS528712023-11-13Announced
201.157.203.0/24RADBCIDR/24MAINT-AS528712023-11-13Announced
201.157.204.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.205.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.206.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.207.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.208.0/23RADBCIDR /23MAINT-AS528712024-11-18Announced
201.157.208.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.209.0/24RADBNLRI /24MAINT-AS528712024-08-24Announced
201.157.210.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.212.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.214.0/23RADBCIDR /23MAINT-AS528712023-11-13Announced
201.157.215.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.217.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.218.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.220.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.229.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.231.0/24RADBCIDR /24 EVENTOSMAINT-AS528712025-12-15Announced
201.157.235.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.236.0/23RADBCIDR /23MAINT-AS528712024-11-18Announced
201.157.236.0/24RADBCIDR /24MAINT-AS528712023-11-13Announced
201.157.237.0/24RADBNLRI/24MAINT-AS528712024-09-11Announced
201.157.251.0/24RADBNLRI /24MAINT-AS528712025-02-06Announced
201.157.252.0/22RADBTASCOM CIDR /22MAINT-AS528712023-11-13Announced
2804:870::/32RADBTASCOM CIDR IPv6 /32MAINT-AS528712023-11-13Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS52871 directly show who expects to carry it.

AS-setWhereRelationship
AS-TASCOM-52871PeeringDBDeclared by the operator as its own set
AS-18881-CUSTOMERS1RADBLists AS52871 as a direct member
AS-28124RADBLists AS52871 as a direct member
AS-7738-BGP-CUSTOMERSRADBLists AS52871 as a direct member
AS-7738_CUSTOMERSRADBLists AS52871 as a direct member
AS-CN2RADBLists AS52871 as a direct member
AS-CTBC-CUSTOMERS31RADBLists AS52871 as a direct member
AS-CTBC-CUSTOMERS75RADBLists AS52871 as a direct member
AS-CTBC-TOOLS-9RADBLists AS52871 as a direct member
AS-DIVIVOXRIPELists AS52871 as a direct member
AS-DURAND1-CUSTOMERRADBLists AS52871 as a direct member
AS-EMBRATELNETRADBLists AS52871 as a direct member
AS-FORTEL-CUSTOMERSRADBLists AS52871 as a direct member
AS-HENET-CLIENTESALTDBLists AS52871 as a direct member
AS-HWNG-DOWNSTREAMSALTDBLists AS52871 as a direct member
AS-LOCAWEB-ALLIN-CUSTOMERSRADBLists AS52871 as a direct member
AS-MEGATELECOM-CUSTOMERSRADBLists AS52871 as a direct member
AS-SAMMRADBLists AS52871 as a direct member
AS-SET-AS52871NTTCOMLists AS52871 as a direct member
AS-TASCOM-52871RADBLists AS52871 as a direct member
AS264409:AS-CONERADBLists AS52871 as a direct member
AS3491:AS-CUSTOMERS-NARADBLists AS52871 as a direct member
AS52873:AS-APIRADBLists AS52871 as a direct member
AS52873:AS-TRANSITRADBLists AS52871 as a direct member
AS61568:AS-ALOO-TELECOMRADBLists AS52871 as a direct member
AS61568:AS-TESTE-ALRADBLists AS52871 as a direct member

RPKI from rpki-client, validated 2026-10-13 12:16 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-13. Cross-check on bgp.he.net.