CERT-Cor

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks4 · 2,048 IPv4 addresses
IPv6 2 prefixes (largest 2400:d0c0::/32)
Cluster ID213395230
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.87.20.0/22 CERT-Cor APNIC ALLOCATED PORTABLE ● low
103.115.120.0/22 CERT-Cor APNIC ALLOCATED PORTABLE ● low
2400:d0c0::/32 CERT-Cor APNIC ALLOCATED PORTABLE ● low
2402:e740::/32 CERT-Cor APNIC ALLOCATED PORTABLE ● low

IPv6 ranges (2)

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (2 of 4)
Possible discrepancies (2)

These blocks are registered to CERT-Cor but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2402:e740::/32 /32 authorized for AS4538 — China Education and Research Network Center
103.115.120.0/22 /22 authorized for AS9405 — State Information Center

NIC Handles

AC1601-AP JX2214-AP MAINT-CNNIC-AP YL4039-AP