subnet.im

AS61817Halley Telecom Comercio & Serviço Ltda Me

BrazilRegistryLACNIC

As of 23rd October 2026, AS61817 (Halley Telecom Comercio & Serviço Ltda…), a network registered in Brazil with LACNIC, originates 10 IPv4 prefixes covering 14.3k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 8,652nd-largest of the 79,666 networks we see originating IPv4, and the 514th-largest of 7,987 in Brazil. It is seen behind 9 upstream networks, most often AS13786 (Seaborn (Seabras USA, LLC)) and AS7195 (EdgeUno), and in front of 5 downstream networks. None of its announcements have a valid RPKI ROA. 25% of its routes reach at least 90% of full-feed peers, and 1 prefix is also originated by another network.

At a glance

IPv4 prefixes

10

IPv6 prefixes

2

IPv4 addresses

14.3k

IPv6 /64s

4.3B

Upstream graph

The networks AS61817 is seen behind, one and two hops out, drawn from real AS paths.

AS61817Toward the internet core
Upstream graph for AS61817: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS61817Halley Telecom Co…This networkAS6939Hurricane Electri…AS7195EdgeUnoAS13786Seaborn (Seabras …AS14537Continent 8 LLCAS35280F5 Networks SARLAS20130Depaul UniversityAS132337AxclusiveAS22356Durand do Brasil …AS1299Arelion (fka. Tel…AS32590Valve CorporationAS2914NTT America, Inc.AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS61817 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

68

adjacent networks

Upstreams
913%
Peers
5479%
Downstreams
57%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS61817
NetworkCountryRelationshipPathsVantage pts
AS13786Seaborn (Seabras USA, LLC)USPeer219104
AS7195EdgeUnoCOPeer167103
AS6939Hurricane Electric LLCUSPeer11322
AS35280F5 Networks SARLFRPeer304
AS14537Continent 8 LLCUSPeer214
AS266213PLANETCLICK TELECOMUNICACOES LTDABRPeer142
AS32590Valve CorporationUSPeer132
AS1000LINK AMERICANUSPeer102
AS137409GSL Networks Pty LTDAUPeer81

Prefixes

The largest blocks AS61817 originates, widest first.

Largest prefixes originated by AS61817
PrefixAddressesVisibility
38.56.0.0/204.1k77/77
38.56.0.0/212k21/77
38.56.8.0/212k21/77
38.56.0.0/221k21/77
38.56.4.0/221k21/77
38.56.8.0/221k21/77
38.56.12.0/221k21/77
201.150.148.0/221k77/77
201.150.148.0/2351221/77
201.150.150.0/2351221/77

Routing health

How AS61817's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%12

Propagation

  • Globally propagated90% of full-feed peers or more25.0%3
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%75.0%9

Prefix sizes

IPv4 — 10 prefixes

IPv6 — 2 prefixes

  • /324.3B × /6450.0%1
  • /4865.5k × /6450.0%1

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

  • Announced2804:5330:608::/4819th Oct 2026
  • Withdrawn2804:5330:608::/4819th Oct 2026
  • Announced2804:5330:608::/4812th Oct 2026
  • Withdrawn201.150.148.0/245th Oct 2026
  • Withdrawn201.150.149.0/245th Oct 2026
  • Withdrawn201.150.150.0/245th Oct 2026
  • Withdrawn201.150.151.0/245th Oct 2026
  • Withdrawn38.172.140.0/225th Oct 2026
  • Withdrawn2804:5330:608::/4828th Sept 2026

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.