bgpto.me
IP PREFIX

211.81.44.0/24

Originated by AS4538 · ERX-CERNET-BKB - China Education and Research Network Center

AnnouncedCNAPNIC
WEBSITE PREVIEWNo public website in RIPE or PeeringDBAS4538

RPKI & ROA validation

CURRENT STATE

valid

No matching VRP was returned by RIPE Routinator.

ROA prefixOriginMax lengthStatus
211.81.44.0/24AS4538/24valid

Routing registry consistency

211.81.0.0/17AS4538 — ERX-CERNET-BKB - China Education and Research Network CenterSeen in BGPNTTCOM, RADB
211.81.0.0/16AS4538 — ERX-CERNET-BKB - China Education and Research Network CenterNot in BGPAPNIC
211.80.0.0/13AS4538 — ERX-CERNET-BKB - China Education and Research Network CenterSeen in BGPRADB
211.81.44.0/24AS4538 — ERX-CERNET-BKB - China Education and Research Network CenterSeen in BGPNTTCOM, RADB

Recent RPKI history

DateCovered prefixVRPsMax length
13/10/2026211.81.44.0/241/24
12/10/2026211.81.44.0/241/24
11/10/2026211.81.44.0/241/24
10/10/2026211.81.44.0/241/24
09/10/2026211.81.44.0/241/24
08/10/2026211.81.44.0/241/24
07/10/2026211.81.44.0/241/24
06/10/2026211.81.44.0/241/24
05/10/2026211.81.44.0/241/24
04/10/2026211.81.44.0/241/24
03/10/2026211.81.44.0/241/24
02/10/2026211.81.44.0/241/24