CERNET2 IX at Shandong University — IP ranges & network footprint

Footprint over time

6 weekly snapshots · JSON

18 0 netblocks since 2026-07-05

2026-07-05 peak 18 2026-07-26

IP Ranges (18)

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CIDR	Org name	Registry	Status	Confidence
121.250.48.0/23	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
2401:cc00::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
2406:280:3003::/48	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e001::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e003::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e004::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e005::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e006::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e007::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e008::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e009::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e00a::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e00b::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e00c::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e00d::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e00e::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e00f::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high
240b:e010::/32	CERNET2 IX at Shandong University	BGP	ANNOUNCED	● high

IPv6 ranges (17)

showing the 15 largest allocations

CIDR
2401:cc00::/32
240b:e001::/32
240b:e003::/32
240b:e004::/32
240b:e005::/32
240b:e006::/32
240b:e007::/32
240b:e008::/32
240b:e009::/32
240b:e00a::/32
240b:e00b::/32
240b:e00c::/32
240b:e00d::/32
240b:e00e::/32
240b:e00f::/32

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “CERNET2 IX at” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

CERNET2 IX at Southeast University 223 blocks
CERNET2 IX at Zhengzhou University 205 blocks
CERNET2 IX at Huazhong University of Science and Technology 129 blocks
CERNET2 IX at University of Electronic Science and Technology of China 122 blocks
CERNET2 IX at Xi'an Jiaotong University 105 blocks
CERNET2 IX at Central South University 80 blocks
CERNET2 IX at Chongqing University 76 blocks
CERNET2 IX at Jilin University 66 blocks

Combined view of all 22 name-family clusters →

NIC Handles

AS24363

Netblocks	18 · 512 IPv4 addresses
IPv6	17 prefixes (largest 2401:cc00::/32)
All fragments	1,454 blocks across 22 clusters
Cluster ID	214449964
Registry	BGP
Customers	find customers using this network →

Attribution	BGP parent (inherited)
Shared handles	clustered on 1 shared RIR contact/maintainer handle
Registry names	1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue