subnet.im

AS23853Shanghai Data Solution Co., Ltd.

ChinaRegistryAPNICTypeContent

As of 11th November 2026, AS23853 (Shanghai Data Solution Co., Ltd.), a content network registered in China with APNIC, originates 86 IPv4 prefixes covering 43.3k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 4,795th-largest of the 80,747 networks we see originating IPv4, and the 185th-largest of 617 in China. It is seen behind 3 upstream networks, most often AS4812 (China Telecom Shanghai Province Network) and AS17621 (China Unicom Shanghai network). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 73% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

86

IPv6 prefixes

2

IPv4 addresses

43.3k

IPv6 /64s

4.3B

Upstream graph

The networks AS23853 is seen behind, one and two hops out, drawn from real AS paths.

AS23853Toward the internet core
Upstream graph for AS23853: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS23853Shanghai Data Sol…This networkAS4812China Telecom Sha…AS17621China Unicom Shan…AS24400Shanghai Mobile C…AS4134China Telecom Bac…AS4809China Telecom Nex…AS4837China Unicom Back…AS9929China Unicom Indu…AS9808China Mobile Back…

Networks observed one and two hops upstream of AS23853 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 AS23853
NetworkCountryRelationshipPathsVantage pts
AS4812China Telecom Shanghai Province NetworkCNPeer4,146137
AS17621China Unicom Shanghai networkCNPeer68828
AS24400Shanghai Mobile Communications Co.,Ltd.CNPeer28812

Prefixes

All 88

The largest blocks AS23853 originates, widest first.

Largest prefixes originated by AS23853
PrefixAddressesVisibility
120.136.128.0/212k76/76
211.144.208.0/212k76/76
211.144.216.0/212k76/76
211.147.64.0/212k76/76
211.147.72.0/212k76/76
211.147.80.0/212k76/76
211.147.88.0/212k76/76
120.136.128.0/221k76/76
120.136.132.0/221k76/76
120.136.184.0/221k12/76

Routing health

How AS23853'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%88
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more72.7%64
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%27.3%24

Prefix sizes

IPv4 — 86 prefixes

IPv6 — 2 prefixes

  • /324.3B × /6450.0%1
  • /4865.5k × /6450.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS23853 started or stopped in this period.

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