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AS215440Cellusys Limited

IrelandRegistryRIPE NCC

As of 27th September 2026, AS215440 (Cellusys Limited), a network registered in Ireland with RIPE NCC, originates 2 IPv4 prefixes covering 512 addresses. By IPv4 address space that makes it the 48,558th-largest of the 79,525 networks we see originating IPv4, and the 121st-largest of 194 in Ireland. It is seen behind 1 upstream network, most often AS206577 (Cellusys IoT Limited). 50% 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

2

IPv6 prefixes

0

IPv4 addresses

512

IPv6 /64s

0

Upstream graph

The networks AS215440 is seen behind, one and two hops out, drawn from real AS paths.

AS215440Toward the internet core
Upstream graph for AS215440: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS215440Cellusys LimitedThis networkAS206577Cellusys IoT Limi…AS1299Arelion (fka. Tel…AS3491PCCW Global (HK) …

Networks observed one and two hops upstream of AS215440 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS215440
NetworkCountryRelationshipPathsVantage pts
AS206577Cellusys IoT LimitedIEPeer16281

Prefixes

The largest blocks AS215440 originates, widest first.

Largest prefixes originated by AS215440
PrefixAddressesVisibility
109.110.172.0/2425681/81
185.155.228.0/2425681/81

Routing health

How AS215440'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

  • Valid50.0%1
  • Invalid0.0%0
  • No ROA50.0%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%2
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 2 prefixes

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS215440 started or stopped in this period.

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