subnet.im

AS274564Halver LTDA

BrazilRegistryLACNIC

As of 26th September 2026, AS274564 (Halver LTDA), a network registered in Brazil with LACNIC, originates 10 IPv4 prefixes covering 2.8k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 22,343rd-largest of the 79,516 networks we see originating IPv4, and the 2,911th-largest of 7,982 in Brazil. It is seen behind 3 upstream networks, most often AS3356 (Lumen (Level 3)) and AS270735 (COMPUTIZE NETWORK TELECOMUNICACOES LTDA). 73% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

10

IPv6 prefixes

1

IPv4 addresses

2.8k

IPv6 /64s

4.3B

Upstream graph

The networks AS274564 is seen behind, one and two hops out, drawn from real AS paths.

AS274564Toward the internet core
Upstream graph for AS274564: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS274564Halver LTDAThis networkAS3356Lumen (Level 3)AS52468UFINET PANAMA S.A.AS270735COMPUTIZE NETWORK…AS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS1299Arelion (fka. Tel…AS52320V.tal (GlobeNet)AS137409GSL Networks Pty …

Networks observed one and two hops upstream of AS274564 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

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

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

Upstreams of AS274564
NetworkCountryRelationshipPathsVantage pts
AS3356Lumen (Level 3)USPeer403102
AS270735COMPUTIZE NETWORK TELECOMUNICACOES LTDABRPeer36095
AS52468UFINET PANAMA S.A.PAPeer10520

Prefixes

The largest blocks AS274564 originates, widest first.

Largest prefixes originated by AS274564
PrefixAddressesVisibility
192.48.204.0/2351281/81
2.27.83.0/2425681/81
66.92.160.0/2425681/81
66.253.112.0/2425680/81
136.0.53.0/2425680/81
149.57.203.0/2425680/81
151.242.41.0/2425681/81
154.6.186.0/2425680/81
157.254.207.0/2425681/81
212.115.125.0/2425680/81

Routing health

How AS274564'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

  • Valid72.7%8
  • Invalid0.0%0
  • No ROA27.3%3

Propagation

  • Globally propagated90% of full-feed peers or more100.0%11
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 10 prefixes

IPv6 — 1 prefixes

  • /324.3B × /64100.0%1

Recent changes

Announcements that started or stopped since 28th Aug 2026.

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