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AS4808China Unicom Beijing Province Network

ChinaRegistryAPNICTypeEyeball

As of 11th November 2026, AS4808 (China Unicom Beijing Province Network), an access network registered in China with APNIC, originates 1,537 IPv4 prefixes covering 14M addresses and 932 IPv6 prefixes. By IPv4 address space that makes it the 51st-largest of the 80,743 networks we see originating IPv4, and the 6th-largest of 617 in China. It is seen behind 2 upstream networks, most often AS4837 (China Unicom Backbone) and AS9929 (China Unicom Industrial Internet…), and in front of 73 downstream networks. 93% of its announcements have a valid RPKI ROA; 23 are RPKI-invalid. 84% of its routes reach at least 90% of full-feed peers, and 361 prefixes are also originated by another network.

At a glance

IPv4 prefixes

1,537

IPv6 prefixes

932

IPv4 addresses

14M

IPv6 /64s

113B

Upstream graph

The networks AS4808 is seen behind, one and two hops out, drawn from real AS paths.

AS4808Toward the internet core
Upstream graph for AS4808: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS4808China Unicom Beij…This networkAS4837China Unicom Back…AS9929China Unicom Indu…AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)AS10099China Unicom Glob…

Networks observed one and two hops upstream of AS4808 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

162

adjacent networks

Upstreams
21%
Peers
8754%
Downstreams
7345%

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

Upstreams of AS4808
NetworkCountryRelationshipPathsVantage pts
AS4837China Unicom BackboneCNPeer166,896138
AS9929China Unicom Industrial Internet BackboneCNPeer3,221138

Prefixes

All 2,469

The largest blocks AS4808 originates, widest first.

Largest prefixes originated by AS4808
PrefixAddressesVisibility
221.216.0.0/13524k75/76
222.128.0.0/14262k76/76
61.148.0.0/15131k76/76
61.48.0.0/1665.5k76/76
61.49.0.0/1665.5k76/76
61.50.0.0/1665.5k76/76
61.51.0.0/1665.5k76/76
61.148.0.0/1665.5k76/76
61.149.0.0/1665.5k76/76
111.192.0.0/1665.5k76/76

Routing health

How AS4808'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

  • Valid92.7%2,289
  • Invalid0.9%23
  • No ROA6.4%157

Propagation

  • Globally propagated90% of full-feed peers or more83.8%2,070
  • Partially propagated40% to 90%0.9%22
  • Seen by few peersUnder 40%15.3%377

Prefix sizes

IPv4 — 1,537 prefixes

IPv6 — 932 prefixes

  • /324.3B × /640.1%1
  • /341.1B × /6410.7%100
  • /36268M × /640.3%3
  • /4016.8M × /640.2%2
  • /441M × /6484.9%791
  • /4865.5k × /643.8%35

Recent changes

Announcements that started or stopped since 12th Oct 2026.

31 announced and 15 withdrawn in all; the most recent are shown.

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