subnet.im

AS209109DataSphere (H.K) Limited

Hong Kong SAR ChinaRegistryRIPE NCCTypeCarrier

As of 11th November 2026, AS209109 (DataSphere (H.K) Limited), a transit carrier registered in Hong Kong SAR China with RIPE NCC, originates 10 IPv4 prefixes covering 4.6k addresses and 5 IPv6 prefixes. By IPv4 address space that makes it the 16,470th-largest of the 80,747 networks we see originating IPv4, and the 240th-largest of 760 in Hong Kong SAR China. It is seen behind 3 upstream networks, most often AS955 (LSHIY LLC) and AS17433 (Hytron Network Services Limited), and in front of 3 downstream networks. 87% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 93% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

10

IPv6 prefixes

5

IPv4 addresses

4.6k

IPv6 /64s

84M

Upstream graph

The networks AS209109 is seen behind, one and two hops out, drawn from real AS paths.

AS209109Toward the internet core
Upstream graph for AS209109: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS209109DataSphere (H.K) …This networkAS955LSHIY LLCAS17433Hytron Network Se…AS138997Eons Data Communi…AS3356Lumen (Level 3)AS3491PCCW Global (HK) …AS6939Hurricane Electri…AS6453TATA Communicatio…

Networks observed one and two hops upstream of AS209109 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

12

adjacent networks

Upstreams
325%
Peers
650%
Downstreams
325%

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

Upstreams of AS209109
NetworkCountryRelationshipPathsVantage pts
AS955LSHIY LLCUSPeer718102
AS17433Hytron Network Services LimitedHKPeer685128
AS138997Eons Data Communications LimitedHKPeer9517

Prefixes

The largest blocks AS209109 originates, widest first.

Largest prefixes originated by AS209109
PrefixAddressesVisibility
45.59.152.0/221k76/76
142.249.112.0/221k76/76
142.249.112.0/2351276/76
142.249.114.0/2351276/76
23.135.220.0/242561/76
23.141.244.0/2425676/76
45.59.152.0/2425675/76
142.249.112.0/2425676/76
142.249.114.0/2425676/76
142.249.115.0/2425676/76

Routing health

How AS209109'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

  • Valid86.7%13
  • Invalid0.0%0
  • No ROA13.3%2

Propagation

  • Globally propagated90% of full-feed peers or more93.3%14
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%6.7%1

Prefix sizes

IPv4 — 10 prefixes

IPv6 — 5 prefixes

  • /3933.6M × /6420.0%1
  • /4016.8M × /6460.0%3
  • /4865.5k × /6420.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

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