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AS4538

China Education and Research Network Center
Announced prefixes
3,280
Upstreams
11
Peers
38
Downstreams
12

Adjacent ASNs

UpstreamDownstreamAS174AS174AS1299AS1299AS2914AS2914AS3491AS3491AS4134AS4134AS6453AS6453AS6939AS6939AS9808AS9808+3 more+3 moreAS9405AS9405AS23911AS23911AS24310AS24310AS24348AS24348AS24361AS24361AS24369AS24369AS131578AS131578AS133111AS133111+4 more+4 more38 peer ASNs (exchange traffic as equals, not a hierarchy)Peers ×38AS4538

Neighbor nodes aren't clickable. To look up an ASN, use the ASN lookup page

All Neighbor ASNs

Upstream11

Buys transit from them

  • AS174
  • AS1299
  • AS2914
  • AS3491
  • AS4134
  • AS6453
  • AS6939
  • AS9808
  • AS23764
  • AS58453
  • AS140570

Peer38

Settlement-free traffic exchange

  • AS4637
  • AS4837
  • AS7473
  • AS7497
  • AS7660
  • AS7713
  • AS8359
  • AS8966
  • AS9930
  • AS14537
  • AS17639
  • AS18106
  • AS23673
  • AS23855
  • AS24349
  • AS24350
  • AS24352
  • AS24353
  • AS24355
  • AS24357
  • AS24358
  • AS24360
  • AS24362
  • AS24363
  • AS24364
  • AS24370
  • AS24371
  • AS24372
  • AS24482
  • AS35280
  • AS39120
  • AS49544
  • AS55720
  • AS132337
  • AS138369
  • AS138371
  • AS138378
  • AS140627

Downstream12

Buys transit from this AS

  • AS9405
  • AS23911
  • AS24310
  • AS24348
  • AS24361
  • AS24369
  • AS131578
  • AS133111
  • AS133465
  • AS134169
  • AS139139
  • AS151229

Recent Prefix Changes

latest 50

IP prefixes this ASN started or stopped announcing (derived by diffing successive data syncs).

  • Withdrawn118.228.33.0/242026-10-07
  • Announced103.252.172.0/222026-10-02
  • Announced118.228.33.0/242026-10-02
  • Announced125.216.41.0/242026-10-02
  • Announced125.216.42.0/232026-10-02
  • Announced125.216.50.0/232026-10-02
  • Announced125.216.52.0/222026-10-02
  • Announced125.216.56.0/232026-10-02
  • Announced125.216.62.0/232026-10-02
  • Announced125.216.68.0/222026-10-02
  • Announced125.216.72.0/212026-10-02
  • Announced125.216.96.0/222026-10-02
  • Announced125.216.106.0/232026-10-02
  • Announced125.216.128.0/222026-10-02
  • Announced125.216.132.0/242026-10-02
  • Announced125.216.135.0/242026-10-02
  • Announced125.216.161.0/242026-10-02
  • Announced125.216.162.0/232026-10-02
  • Announced125.216.170.0/232026-10-02
  • Announced125.216.172.0/222026-10-02
  • Announced125.216.180.0/242026-10-02
  • Announced125.216.182.0/242026-10-02
  • Announced125.216.184.0/212026-10-02
  • Announced125.217.0.0/232026-10-02
  • Announced125.217.4.0/222026-10-02
  • Announced125.217.8.0/212026-10-02
  • Announced125.217.16.0/202026-10-02
  • Announced125.217.32.0/192026-10-02
  • Announced125.217.64.0/182026-10-02
  • Announced125.217.128.0/222026-10-02
  • Announced125.217.132.0/242026-10-02
  • Announced125.217.150.0/232026-10-02
  • Announced125.217.160.0/192026-10-02
  • Announced125.218.0.0/172026-10-02
  • Announced125.218.142.0/242026-10-02
  • Announced125.218.181.0/242026-10-02
  • Announced125.218.184.0/212026-10-02
  • Announced125.218.240.0/202026-10-02
  • Announced202.112.0.0/242026-10-02
  • Announced202.116.48.0/222026-10-02
  • Announced202.116.52.0/232026-10-02
  • Announced202.116.55.0/242026-10-02
  • Announced202.116.56.0/212026-10-02
  • Announced202.116.160.0/192026-10-02
  • Announced202.116.224.0/212026-10-02
  • Announced202.116.232.0/232026-10-02
  • Announced202.116.240.0/202026-10-02
  • Announced211.66.32.0/192026-10-02
  • Announced211.66.64.0/212026-10-02
  • Announced211.66.74.0/232026-10-02

Data: local · Updated 2026-10-13 05:44:39