AS4538 Announced Prefixes

10,250 prefixes originated in BGP by AS4538 China Education And Research Network Center.

Prefixes 1-100

PrefixRPKIIRRLast Seen
1.51.0.0/16No ROAAPNIC, Other IRR2026-10-12
1.51.3.0/24 Valid-2026-10-12
1.51.16.0/20No ROAOther IRR2026-10-12
1.51.32.0/20No ROA-2026-10-12
1.51.48.0/21No ROA-2026-10-12
1.51.112.0/24 Valid-2026-10-12
1.51.120.0/21No ROAOther IRR2026-10-12
1.51.144.0/20No ROAOther IRR2026-10-12
1.51.144.0/21No ROA-2026-10-12
1.51.152.0/21No ROA-2026-10-12
1.51.160.0/21No ROAOther IRR2026-10-12
1.51.168.0/21No ROAOther IRR2026-10-12
1.51.176.0/20No ROAOther IRR2026-10-12
1.51.192.0/18No ROAOther IRR2026-10-12
1.184.0.0/15No ROAAPNIC, Other IRR2026-10-12
1.184.192.0/18No ROAOther IRR2026-10-12
1.185.0.0/18No ROAOther IRR2026-10-12
1.185.64.0/19No ROAOther IRR2026-10-12
1.185.192.0/18No ROA-2026-10-12
42.244.0.0/16No ROAAPNIC2026-10-12
42.244.0.0/18No ROAOther IRR2026-10-12
42.244.64.0/20No ROAOther IRR2026-10-12
42.245.0.0/16No ROA-2026-10-12
42.246.0.0/15No ROAAPNIC2026-10-12
42.247.0.0/19No ROA-2026-10-12
42.247.1.0/24 Valid-2026-10-12
42.247.2.0/24 Valid-2026-10-12
42.247.3.0/24 Valid-2026-10-12
42.247.5.0/24 Valid-2026-10-12
42.247.8.0/24 Valid-2026-10-12
42.247.9.0/24 Valid-2026-10-12
42.247.12.0/24 Valid-2026-10-12
42.247.13.0/24 Valid-2026-10-12
42.247.18.0/24 Valid-2026-10-12
42.247.19.0/24 Valid-2026-10-12
42.247.20.0/24 Valid-2026-10-12
42.247.22.0/24 Valid-2026-10-12
42.247.29.0/24 Valid-2026-10-12
42.247.30.0/24 Valid-2026-10-12
42.247.33.0/24 Valid-2026-10-12
42.247.44.0/24 Valid-2026-10-12
42.247.53.0/24 Valid-2026-10-12
42.247.58.0/24 Valid-2026-10-12
42.247.94.0/24 Valid-2026-10-12
42.247.103.0/24 Valid-2026-10-12
42.247.107.0/24 Valid-2026-10-12
42.247.113.0/24No ROA-2026-10-12
49.52.0.0/14No ROAAPNIC, Other IRR2026-10-12
49.52.0.0/15No ROA-2026-10-12
49.52.0.0/19No ROA-2026-10-12
49.52.32.0/20No ROAOther IRR2026-10-12
49.52.48.0/24 ValidOther IRR2026-10-12
49.52.64.0/19No ROAOther IRR2026-10-12
49.52.64.0/24 Valid-2026-10-12
49.52.96.0/20No ROA-2026-10-12
49.53.48.0/24 Valid-2026-10-12
49.120.0.0/14No ROAAPNIC, Other IRR2026-10-12
49.120.64.0/19No ROAOther IRR2026-10-12
49.122.0.0/20No ROAOther IRR2026-10-12
49.122.16.0/21No ROAOther IRR2026-10-12
49.122.24.0/21No ROAOther IRR2026-10-12
49.122.32.0/20No ROAOther IRR2026-10-12
49.122.64.0/22No ROA-2026-10-12
49.122.128.0/18No ROA-2026-10-12
49.122.191.0/24 Valid-2026-10-12
49.123.0.0/20No ROAOther IRR2026-10-12
49.123.16.0/21No ROAOther IRR2026-10-12
49.123.64.0/18No ROAOther IRR2026-10-12
49.140.0.0/15No ROAAPNIC, Other IRR2026-10-12
49.140.0.0/16No ROA-2026-10-12
49.141.0.0/20No ROAOther IRR2026-10-12
49.141.16.0/21No ROAOther IRR2026-10-12
49.141.24.0/21No ROAOther IRR2026-10-12
49.141.32.0/20No ROAOther IRR2026-10-12
49.141.64.0/18No ROAOther IRR2026-10-12
49.141.128.0/20No ROAOther IRR2026-10-12
49.141.144.0/21No ROAOther IRR2026-10-12
49.141.192.0/20No ROAOther IRR2026-10-12
49.141.210.0/24 ValidOther IRR2026-10-12
49.208.0.0/15No ROAAPNIC, Other IRR2026-10-12
49.208.0.0/17No ROAOther IRR2026-10-12
49.209.0.0/20No ROAOther IRR2026-10-12
49.209.16.0/20No ROAOther IRR2026-10-12
49.209.32.0/19No ROAOther IRR2026-10-12
49.209.64.0/18No ROAOther IRR2026-10-12
49.209.232.0/21No ROAOther IRR2026-10-12
49.209.240.0/20No ROAOther IRR2026-10-12
58.154.0.0/15No ROAAPNIC, Other IRR2026-10-12
58.154.0.0/20No ROAOther IRR2026-10-12
58.154.16.0/20No ROAOther IRR2026-10-12
58.154.32.0/23No ROAOther IRR2026-10-12
58.154.34.0/24 Valid-2026-10-12
58.154.37.0/24 ValidOther IRR2026-10-12
58.154.48.0/20No ROAOther IRR2026-10-12
58.154.96.0/20No ROAOther IRR2026-10-12
58.154.128.0/20No ROAOther IRR2026-10-12
58.154.144.0/20No ROAOther IRR2026-10-12
58.154.160.0/19No ROAOther IRR2026-10-12
58.154.192.0/19No ROAOther IRR2026-10-12
58.154.224.0/20No ROAOther IRR2026-10-12
AS4538 Announced Prefixes | ipctl.io