subnet.im

AS9811Development Research Centre of State Council (PRC)

ChinaRegistryAPNIC

As of 26th September 2026, AS9811 (Development Research Centre of State…), a network registered in China with APNIC, originates 38 IPv4 prefixes covering 169k addresses. By IPv4 address space that makes it the 1,522nd-largest of the 79,480 networks we see originating IPv4, and the 95th-largest of 607 in China. It is seen behind 2 upstream networks, most often AS4808 (China Unicom Beijing Province Network) and AS4847 (China Telecom Beijing Province Network). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 89% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

38

IPv6 prefixes

0

IPv4 addresses

169k

IPv6 /64s

0

Upstream graph

The networks AS9811 is seen behind, one and two hops out, drawn from real AS paths.

AS9811Toward the internet core
Upstream graph for AS9811: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS9811Development Resea…This networkAS4808China Unicom Beij…AS4847China Telecom Bei…AS4837China Unicom Back…AS9929China Unicom Indu…AS4134China Telecom Bac…AS4809China Telecom Nex…

Networks observed one and two hops upstream of AS9811 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS9811
NetworkCountryRelationshipPathsVantage pts
AS4808China Unicom Beijing Province NetworkCNPeer2,67281
AS4847China Telecom Beijing Province NetworkCNPeer9781

Prefixes

All 38

The largest blocks AS9811 originates, widest first.

Largest prefixes originated by AS9811
PrefixAddressesVisibility
121.47.0.0/1665.5k4/81
220.101.192.0/1816.4k4/81
202.149.224.0/198.2k4/81
211.144.32.0/198.2k81/81
211.144.128.0/198.2k81/81
211.167.64.0/198.2k81/81
218.246.0.0/198.2k81/81
220.101.192.0/198.2k81/81
202.149.224.0/204.1k81/81
211.144.128.0/204.1k81/81

Routing health

How AS9811'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

  • Valid100.0%38
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more89.5%34
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%10.5%4

Prefix sizes

IPv4 — 38 prefixes

Recent changes

Announcements that started or stopped since 27th Aug 2026.

  • Withdrawn211.144.159.0/2421st Sept 2026
  • Withdrawn211.167.67.0/2421st Sept 2026

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