bgpto.me
IP PREFIX

221.192.166.0/23

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

AnnouncedCNAPNIC
www.chinaunicom.cn/
Website preview from public registry data for AS4837
Registry websiteOpen site ↗

RPKI & ROA validation

CURRENT STATE

valid

No matching VRP was returned by RIPE Routinator.

ROA prefixOriginMax lengthStatus
221.192.166.0/23AS4837/23valid
221.192.0.0/15AS4837/15invalid_length

Routing registry consistency

221.192.166.0/23AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPAPNIC, RADB, NTTCOM
221.192.0.0/15AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPRADB, NTTCOM
221.192.0.0/14AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneNot in BGPAPNIC

Recent RPKI history

DateCovered prefixVRPsMax length
22/09/2026221.192.166.0/231/23
21/09/2026221.192.166.0/231/23
20/09/2026221.192.166.0/231/23
19/09/2026221.192.166.0/231/23
18/09/2026221.192.166.0/231/23
17/09/2026221.192.166.0/231/23
16/09/2026221.192.166.0/231/23
15/09/2026221.192.166.0/231/23
14/09/2026221.192.166.0/231/23
13/09/2026221.192.166.0/231/23
12/09/2026221.192.166.0/231/23
11/09/2026221.192.166.0/231/23