Data as of Nov 14, 2026
124.250.0.0/18
No anonymizer space · no proxy exits in 30 daysIDC, China Telecommunications Corporation · space held by 21ViaNet(China),Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 124.250.0.0/17 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.0.0/16 since Mar 2018 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.0.0/15 since May 2017 | AS23724 | Hosting | 21ViaNet(China),Inc. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 124.250.0.0/19 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.6.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.8.0/21 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.32.0/19 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.36.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 124.250.0.0/15 | 131,072 | CHINA-21VIANET | 21ViaNet(China),Inc. | ALLOCATED PORTABLE | — | ipas@ |
| └ 124.250.0.0/16 | 65,536 | CHINA-21VIANET | 21ViaNet(China),Inc. | ALLOCATED PORTABLE | — | ipas@ |
Network & registry
Registry
Holder
- Organization
- 21ViaNet(China),Inc.
- Range
- 124.
250. 0. 0/ 15 - Registration type
- ALLOCATED PORTABLE
Origin network
AS23724
CN
- Name
- IDC, China Telecommunications Corporation
- Type
- Hosting
- Registered
- Apr 22, 2003
- Domain
- chinatelecom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2014
- Current origin since
- Apr 2019 · 7.6 yr
- Origin networks
- 3
- Last change of origin
- Nov 2018
Recorded history
History
- Handoffs
- 3
- Also announced by
- 9802
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 124.250.0.0/16 | AS4808 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS4835 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS4847 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS9308 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS9802 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS9808 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS17428 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS23724 | /32 | APNIC | RPKI valid |
| 124.250.0.0/16 | AS56048 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS59020 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS133111 | /32 | APNIC | Another network |
| 124.250.0.0/16 | AS141679 | /32 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 124.
250. 0. 0/ 16 - Netname
- CHINA-21VIANET
- Registrant
- 21ViaNet(China),Inc.
- Registrant country
- CN
- Organization
- 21ViaNet(China),Inc.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 16, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- May 12, 2006
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP