bgpto.me
IP PREFIX

221.3.240.0/22

Originated by AS4837 · CHINA169-Backbone - CHINA UNICOM China169 Backbone

AnnouncedCNAPNIC
WEBSITE PREVIEWNo public website in RIPE or PeeringDBAS4837

RPKI & ROA validation

CURRENT STATE

valid

No matching VRP was returned by RIPE Routinator.

ROA prefixOriginMax lengthStatus
221.3.240.0/22AS4837/22valid
221.3.128.0/17AS4837/17invalid_length

Routing registry consistency

221.3.128.0/17AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPRADB, NTTCOM, APNIC
221.3.240.0/22AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPNo IRR source

Recent RPKI history

DateCovered prefixVRPsMax length
25/09/2026221.3.240.0/221/22
24/09/2026221.3.240.0/221/22
23/09/2026221.3.240.0/221/22
22/09/2026221.3.240.0/221/22
21/09/2026221.3.240.0/221/22
20/09/2026221.3.240.0/221/22
19/09/2026221.3.240.0/221/22
18/09/2026221.3.240.0/221/22
17/09/2026221.3.240.0/221/22
16/09/2026221.3.240.0/221/22
15/09/2026221.3.240.0/221/22
14/09/2026221.3.240.0/221/22