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AS24364CERNET2 IX at Shanghai Jiaotong University

ChinaRegistryAPNICTypeEyeball

As of 11th November 2026, AS24364 (CERNET2 IX at Shanghai Jiaotong…), an access network registered in China with APNIC, originates 11 IPv4 prefixes covering 721k addresses and 63 IPv6 prefixes. By IPv4 address space that makes it the 577th-largest of the 80,743 networks we see originating IPv4, and the 45th-largest of 617 in China. It is seen behind 2 upstream networks, most often AS23910 (China Next Generation Internet CERNET2) and AS4538 (China Education and Research Network…), and in front of 1 downstream network. 84% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 1% of its routes reach at least 90% of full-feed peers, and 11 prefixes are also originated by another network.

At a glance

IPv4 prefixes

11

IPv6 prefixes

63

IPv4 addresses

721k

IPv6 /64s

12.9B

Upstream graph

The networks AS24364 is seen behind, one and two hops out, drawn from real AS paths.

AS24364Toward the internet core
Upstream graph for AS24364: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS24364CERNET2 IX at Sha…This networkAS4538China Education a…AS23910China Next Genera…AS4837China Unicom Back…AS23764China Telecom Glo…AS23911China Next Genera…

Networks observed one and two hops upstream of AS24364 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
233%
Peers
350%
Downstreams
117%

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

Upstreams of AS24364
NetworkCountryRelationshipPathsVantage pts
AS23910China Next Generation Internet CERNET2CNPeer31263
AS4538China Education and Research Network CenterCNPeer222

Prefixes

All 74

The largest blocks AS24364 originates, widest first.

Largest prefixes originated by AS24364
PrefixAddressesVisibility
59.77.0.0/1665.5k2/76
59.78.0.0/1665.5k2/76
59.79.0.0/1665.5k2/76
175.187.0.0/1665.5k2/76
202.120.0.0/1665.5k2/76
202.121.0.0/1665.5k2/76
219.220.0.0/1665.5k2/76
219.228.0.0/1665.5k2/76
219.229.0.0/1665.5k2/76
222.204.0.0/1665.5k2/76

Routing health

How AS24364'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

  • Valid83.8%62
  • Invalid0.0%0
  • No ROA16.2%12

Propagation

  • Globally propagated90% of full-feed peers or more1.4%1
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%98.6%73

Prefix sizes

IPv4 — 11 prefixes

IPv6 — 63 prefixes

  • /324.3B × /644.8%3
  • /4865.5k × /6495.2%60

Recent changes

Announcements that started or stopped since 12th Oct 2026.

64 announced and 2 withdrawn in all; the most recent are shown.

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