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| Announced By | |||
|---|---|---|---|
| Origin | Origin Registrant | Prefix | Prefix Registrant |
| AS23724 | IDC, China Telecommunications Corporation | 221.122.48.0/20   | Beijing flash newsletter cas telecommunication |
| AS4808 | China Unicom Beijing Province Network | 221.122.48.0/20 | Beijing flash newsletter cas telecommunication |
| AS9808 | China Mobile Communications Group Co., Ltd. | 221.122.48.0/20 | Beijing flash newsletter cas telecommunication |
| Matching Delegations | |||
|---|---|---|---|
| Registry | Status | Prefix | CC |
| apnic | allocated | 221.122.0.0/15 | CN  |
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Found 62 records.
Certificate Transparency Statistics
Total Certificates: 0
Total Domains: 0
Query Time: N/A
Certificates with Domains that map to IPs within 221.122.48.0/20
Searching certificates...
Search Results (click row for details)
| Valid From | Valid To | Status | Issuer / Serial | CT Logs | SANs | Count |
|---|
| IP | Domain |
|---|
Hostname results link to the full Cert Search surface for deeper exploration.
NTTCOM
route: 221.122.48.0/20 descr: CMI IP Transit origin: AS4808 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support@cmi.chinamobile.com 20160525 source: NTTCOM
RADB
route: 221.122.48.0/20 descr: China Telecom Beijing Co. Ltd. origin: AS23724 mnt-by: MAINT-AS23724 changed: idc_noc.bj@chinatelecom.cn 20200413 #00:42:33Z source: RADB last-modified: 2026-04-22T03:00:10Z
RADB
route: 221.122.48.0/20 descr: CMI (Customer Route) origin: AS4808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20160525 source: RADB last-modified: 2023-11-13T15:49:28Z
RADB
route: 221.122.48.0/20 descr: CMI (Customer Route) origin: AS9808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20210319 source: RADB last-modified: 2023-11-13T16:05:24Z
NTTCOM
route: 221.122.48.0/20 descr: CMI IP Transit origin: AS4808 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support@cmi.chinamobile.com 20160525 source: NTTCOM
RADB
route: 221.122.48.0/20 descr: China Telecom Beijing Co. Ltd. origin: AS23724 mnt-by: MAINT-AS23724 changed: idc_noc.bj@chinatelecom.cn 20200413 #00:42:33Z source: RADB last-modified: 2026-04-22T03:00:10Z
RADB
route: 221.122.48.0/20 descr: CMI (Customer Route) origin: AS4808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20160525 source: RADB last-modified: 2023-11-13T15:49:28Z
RADB
route: 221.122.48.0/20 descr: CMI (Customer Route) origin: AS9808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20210319 source: RADB last-modified: 2023-11-13T16:05:24Z
NTTCOM
route: 221.122.48.0/20 descr: CMI IP Transit origin: AS4808 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support@cmi.chinamobile.com 20160525 source: NTTCOM
RADB
route: 221.122.48.0/20 descr: China Telecom Beijing Co. Ltd. origin: AS23724 mnt-by: MAINT-AS23724 changed: idc_noc.bj@chinatelecom.cn 20200413 #00:42:33Z source: RADB last-modified: 2026-04-22T03:00:10Z
RADB
route: 221.122.48.0/20 descr: CMI (Customer Route) origin: AS4808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20160525 source: RADB last-modified: 2023-11-13T15:49:28Z
RADB
route: 221.122.48.0/20 descr: CMI (Customer Route) origin: AS9808 mnt-by: MAINT-AS58453 changed: qas_support@cmi.chinamobile.com 20210319 source: RADB last-modified: 2023-11-13T16:05:24Z
REALTIME
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REALTIME
221.122.48.0/20 is a bogon ().
| Collector | Peer IP | Peer ASN | Has Prefix | Origin ASN |
|---|---|---|---|---|
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