Data as of Nov 8, 2026
124.250.0.0/15
No anonymizer spaceIDC, China Telecommunications Corporation · space held by 21ViaNet(China),Inc.
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 124.250.0.0/16 since Mar 2018 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.0.0/17 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.0.0/18 since Apr 2019 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 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. | |
| 124.250.64.0/18 since Aug 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.64.0/19 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.72.0/22 since Oct 10, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.88.0/21 since Oct 10, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.96.0/19 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.102.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.112.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.124.0/22 since Oct 10, 2026 | AS4835 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.128.0/18 since Aug 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.192.0/18 since Aug 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.244.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.250.248.0/22 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.0.0/16 since May 2020 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.0.0/17 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.0.0/18 since Aug 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.8.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.32.0/19 since Nov 6, 2026 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.44.0/22 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.48.0/22 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.64.0/18 since Oct 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.64.0/19 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.96.0/19 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.96.0/23 since Mar 2017 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.110.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.110.0/24 since May 2025 | AS4835 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.120.0/23 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.128.0/18 since Aug 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.128.0/21 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.132.0/22 since Oct 22, 2026 | AS4835 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.134.0/23 since Oct 10, 2026 | AS4835 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.192.0/18 since Aug 2016 | AS23724 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.215.0/24 since Apr 2026 | AS4835 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.228.0/22 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.230.0/24 since Dec 2020 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.231.0/24 since Aug 2025 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.236.0/22 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.237.0/24 since Nov 2016 | AS9802 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.238.0/24 since Oct 2014 | AS9802 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.239.0/24 since Oct 2014 | AS9802 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.240.0/22 since Nov 6, 2026 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.240.0/24 since Oct 2014 | AS9802 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.241.0/24 since Jan 2016 | AS4835 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.244.0/24 since Oct 2014 | AS9308 | Hosting | 21ViaNet(China),Inc. | |
| 124.251.252.0/24 since May 2019 | AS4835 | 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@ |
| └ 124.251.0.0/16 | 65,536 | CHINA-21VIANET | 21ViaNet(China),Inc. | ALLOCATED PORTABLE | — | ipas@ |
Network & registry
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2006
- Current origin since
- May 2017 · 9.4 yr
- Origin networks
- 5
- Last change of origin
- May 2017
Recorded history
History
- Handoffs
- 5
Whois
Registration for this announcement
- Range
- 124.
250. 0. 0/ 15 - 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