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AS numbers

AS17623 China Unicom Shenzen network

AS17623 is operated by China Unicom Shenzen network and registered with APNIC (CN) since 2001-01-18.

It announces 816 IPv4 and 459 IPv6 prefixes, 99% of them RPKI valid.

RIPE RIS sees 2 upstream and peer networks and 4 downstream networks next to it.

Run the full network report BGP lookup WHOIS PeeringDB lookup
NameChina Unicom Shenzen network
Registry handleCNCGROUP-SZ
Registry (RIR)APNIC
CountryChina (CN)
Delegated on2001-01-18
Prefixes (IPv4 / IPv6)816 / 459
RPKI valid99% (1,271 / 1,275)
Upstreams and peers2
Downstream networks4

Routing health

  • AS17623 announces 816 IPv4 and 459 IPv6 prefixes.
  • 1271 of 1275 announced prefixes are RPKI valid.
  • 4 announced prefixes are not covered by a ROA of AS17623 (they may have none, or another network’s).
  • 2 upstreams and peers, 4 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 1,275

  • 27.38.0.0/16
  • 27.38.1.0/24
  • 27.38.2.0/24
  • 27.38.3.0/24
  • 27.38.4.0/24
  • 27.38.78.0/24
  • 27.38.100.0/22
  • 27.38.104.0/22
  • 27.38.112.0/24
  • 27.38.113.0/24
  • 27.38.114.0/24
  • 27.38.124.0/24
  • 27.38.125.0/24
  • 27.38.126.0/24
  • 27.38.129.0/24
  • 27.38.130.0/24
  • 27.38.131.0/24
  • 27.38.132.0/24
  • 27.38.133.0/24
  • 27.38.134.0/24
  • 27.38.135.0/24
  • 27.38.136.0/24
  • 27.38.137.0/24
  • 27.38.140.0/24
  • 27.38.141.0/24
  • 27.38.142.0/24
  • 27.38.143.0/24
  • 27.38.144.0/24
  • 27.38.145.0/24
  • 27.38.146.0/24
  • 27.38.147.0/24
  • 27.38.148.0/24
  • 27.38.149.0/24
  • 27.38.150.0/24
  • 27.38.151.0/24
  • 27.38.152.0/24
  • 27.38.153.0/24
  • 27.38.154.0/24
  • 27.38.155.0/24
  • 27.38.156.0/24
  • 27.38.157.0/24
  • 27.38.158.0/24
  • 27.38.159.0/24
  • 27.38.160.0/24
  • 27.38.161.0/24
  • 27.38.162.0/24
  • 27.38.163.0/24
  • 27.38.164.0/24
  • 27.38.165.0/24
  • 27.38.166.0/24
  • 27.38.167.0/24
  • 27.38.168.0/24
  • 27.38.169.0/24
  • 27.38.170.0/24
  • 27.38.171.0/24
  • 27.38.172.0/24
  • 27.38.173.0/24
  • 27.38.174.0/24
  • 27.38.175.0/24
  • 27.38.176.0/24
  • 27.38.177.0/24
  • 27.38.178.0/24
  • 27.38.179.0/24
  • 27.38.180.0/24
  • 27.38.181.0/24
  • 27.38.182.0/24
  • 27.38.183.0/24
  • 27.38.184.0/24
  • 27.38.185.0/24
  • 27.38.186.0/24
  • 27.38.187.0/24
  • 27.38.188.0/24
  • 27.38.189.0/24
  • 27.38.190.0/24
  • 27.38.191.0/24
  • 27.38.192.0/24
  • 27.38.193.0/24
  • 27.38.194.0/24
  • 27.38.196.0/24
  • 27.38.197.0/24
  • 27.38.198.0/24
  • 27.38.199.0/24
  • 27.38.200.0/24
  • 27.38.201.0/24
  • 27.38.202.0/24
  • 27.38.203.0/24
  • 27.38.204.0/24
  • 27.38.205.0/24
  • 27.38.206.0/24
  • 27.38.207.0/24
  • 27.38.208.0/24
  • 27.38.209.0/24
  • 27.38.210.0/24
  • 27.38.211.0/24
  • 27.38.212.0/24
  • 27.38.213.0/24
  • 27.38.214.0/24
  • 27.38.215.0/24
  • 27.38.216.0/24
  • 27.38.217.0/24

Showing the first 100.

Upstreams and peers 2

The networks RIPE RIS sees next to AS17623 in BGP paths, the most visible first.

More about AS17623

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 06:51 UTC. The country is where the AS number was registered, not necessarily where the network operates.