subnet.im

AS219499HK ZUNGWAI CLOUD LIMITED

Hong Kong SAR ChinaRegistryRIPE NCC

As of 26th September 2026, AS219499 (HK ZUNGWAI CLOUD LIMITED), a network registered in Hong Kong SAR China with RIPE NCC, originates 3 IPv4 prefixes covering 768 addresses. By IPv4 address space that makes it the 44,910th-largest of the 79,516 networks we see originating IPv4, and the 486th-largest of 734 in Hong Kong SAR China. It is seen behind 3 upstream networks, most often AS17476 (CloudRadium (HK) Limited) and AS55720 (Gigabit Hosting Sdn Bhd), and in front of 1 downstream network. 67% 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

3

IPv6 prefixes

0

IPv4 addresses

768

IPv6 /64s

0

Upstream graph

The networks AS219499 is seen behind, one and two hops out, drawn from real AS paths.

AS219499Toward the internet core

Networks observed one and two hops upstream of AS219499 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

8

adjacent networks

Upstreams
338%
Peers
450%
Downstreams
113%

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

Upstreams of AS219499
NetworkCountryRelationshipPathsVantage pts
AS17476CloudRadium (HK) LimitedHKPeer1,34881
AS55720Gigabit Hosting Sdn BhdMYPeer16281
AS150706Hong Kong Zhengxing Technology Co., Ltd.HKPeer2929

Prefixes

The largest blocks AS219499 originates, widest first.

Largest prefixes originated by AS219499
PrefixAddressesVisibility
45.192.178.0/2425681/81
154.48.242.0/2425681/81
156.236.118.0/2425681/81

Routing health

How AS219499'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

  • Valid66.7%2
  • Invalid0.0%0
  • No ROA33.3%1

Propagation

  • Globally propagated90% of full-feed peers or more100.0%3
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 3 prefixes

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS219499 started or stopped in this period.

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