CERNET2 IX at Shanghai Jiaotong University

BGP inherited
Cluster stats
Netblocks8 · 96,761 IPv4 addresses
All fragments 1,454 blocks across 22 clusters
Cluster ID214382275
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 2 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

6 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-26

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
59.77.0.0/16 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
202.112.27.0/24 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
202.112.28.0/24 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
202.120.0.0/18 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
202.120.208.0/20 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
202.120.224.0/19 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
202.121.176.0/21 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high
2403:d400::/32 CERNET2 IX at Shanghai Jiaotong University BGP ANNOUNCED ● high

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: D how networks compare →
25.0% of checked blocks have valid RPKI ROA coverage (2 of 8)
Possible discrepancies (2)

These blocks are registered to CERNET2 IX at Shanghai Jiaotong University but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

202.112.27.0/24 /24 authorized for AS4538 — China Education and Research Network Center
202.112.28.0/24 /24 authorized for AS4538 — China Education and Research Network Center

NIC Handles

AS24364 MAINT-CERNET-AP