AS24371 — CNGI-CHC-IX-AS-AP CERNET2 IX at Jilin University

AS24371 announces 1 IPv4 prefixes covering 65,536 addresses and 13 IPv6 prefixes.

About this network

The AS handle CNGI-CHC-IX-AS-AP is held by CERNET2 IX at Jilin University.

What it's used for

• The address space carries academic network infrastructure, evidenced by the netname SYR-CERNET and registrant CERNET Helpdesk; IRT-CERNET-AP associated with the IPv4 block.
• The AS announces 65536 IPv4 addresses and 17 IPv6 prefixes, with only 2 observed neighbours, indicating a role focused on internal academic connectivity or exchange rather than broad transit.

Notable

• The registrant CERNET Helpdesk; IRT-CERNET-AP aligns with the announcer's identity as part of the China Education and Research Network (CERNET).
• The inventory consists of a single IPv4 prefix, 49.140.0.0/16, and multiple IPv6 prefixes within the 2001:250::/32 and 2001:da8::/32 ranges.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 49.140.0.0/16
• 2001:250:7401::/48
• 2001:250:7402::/47
• 2001:250:7404::/46
• 2001:250:7408::/45
• 2001:250:7410::/44
• 2001:250:7420::/43
• 2001:da8:aa::/48
• 2001:da8:b000::/44
• 2001:da8:b00a::/47
• 2001:da8:b00c::/46
• 2001:da8:b011::/48
• 2001:da8:b012::/48
• 2403:8c00::/32

Upstream networks

• AS23910 China Next Generation Internet CERNET2
• AS4538 China Education and Research Network Center

Adjacent networks

• AS23910 China Next Generation Internet CERNET2
• AS4538 China Education and Research Network Center

Routing security

• RPKI: 65 valid, 0 invalid and 2 not-found announcements; 65 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS20965:AS-FROM-TEIN-TO-GEANT, AS23911:AS-CUSTOMERS-V6, AS293:AS-FROM-SINGAREN-TO-ESNET, AS4538:AS-CUSTOMERS, AS4538:AS-CUSTOMERS-V6.