bgpto.me
IP PREFIX

221.3.128.0/17

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
221.3.128.0/17AS4837/17valid

Routing registry consistency

221.3.128.0/17AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPAPNIC, RADB, NTTCOM
221.3.192.0/22AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPNo IRR source
221.3.140.0/22AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPNo IRR source
221.3.136.0/24AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPNo IRR source
221.3.240.0/22AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPNo IRR source
221.3.224.0/22AS4837 — CHINA169-Backbone - CHINA UNICOM China169 BackboneSeen in BGPNo IRR source

Recent RPKI history

DateCovered prefixVRPsMax length
22/09/2026221.3.128.0/171/17
21/09/2026221.3.128.0/171/17
20/09/2026221.3.128.0/171/17
19/09/2026221.3.128.0/171/17
18/09/2026221.3.128.0/171/17
17/09/2026221.3.128.0/171/17
16/09/2026221.3.128.0/171/17
15/09/2026221.3.128.0/171/17
14/09/2026221.3.128.0/171/17
13/09/2026221.3.128.0/171/17
12/09/2026221.3.128.0/171/17
11/09/2026221.3.128.0/171/17