CERNET2 IX at Southeast University
Cluster stats
Netblocks222
All fragments 1,448 blocks across 22 clusters
Cluster ID191791678
RegistryBGP
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NIC Handles
AS24361

Network trust

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88.7% of checked blocks have valid RPKI ROA coverage (197 of 222)
Possible discrepancies (195)

These blocks are registered to CERNET2 IX at Southeast 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.

240c:c602::/32 /32 authorized for AS4538 — China Education and Research Network Center
240c:c603::/32 /32 authorized for AS4538 — China Education and Research Network Center
240c:c604::/32 /32 authorized for AS4538 — China Education and Research Network Center
240c:c608::/32 /32 authorized for AS4538 — China Education and Research Network Center
240c:c64c::/32 /32 authorized for AS4538 — China Education and Research Network Center
2001:250:5002::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5003::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5004::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5005::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5006::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5007::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5008::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:5009::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:500a::/48 /48 authorized for AS4538 — China Education and Research Network Center
2001:250:500b::/48 /48 authorized for AS4538 — China Education and Research Network Center
+180 more — see the REST API

IP Ranges (222)

showing 50 of 222 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
1.51.32.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
1.51.48.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.0.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.16.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.32.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.48.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.64.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.72.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.80.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.96.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.112.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.120.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.128.0/19 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.160.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.168.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.176.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.184.0/21 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.192.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.208.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.248.224.0/19 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.249.16.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.249.32.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
121.249.48.0/22 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
202.112.23.0/24 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
202.112.24.0/24 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
202.112.25.0/24 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
202.119.160.0/24 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
202.195.224.0/19 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
219.230.144.0/20 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5002::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5003::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5004::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5005::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5006::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5007::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5008::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5009::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:500a::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:500b::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:500c::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:500d::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:500e::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:500f::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5010::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5012::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5013::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5014::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5015::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5016::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high
2001:250:5017::/48 CERNET2 IX at Southeast University BGP ANNOUNCED ● high