Data as of Nov 15, 2026
203.93.240.0/22
No anonymizer space · no proxy exits in 30 daysUNICOM AnHui province network · space held by China Unicom IP network
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.93.0.0/16 | 65,536 | UNICOM-CN | China Unicom IP network | ALLOCATED PORTABLE | — | hqs-ipabuse@ |
| └ 203.93.240.0/22 | 1,024 | NANJING-JT | JiTong Communication Nanjing Corporation | ASSIGNED NON-PORTABLE | — | hqs-ipabuse@ via UNICOM-CN |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 203.93.240.0/21
- Prefix
- 203.93.240.0/21
- Announced by
- AS140726 UNICOM AnHui province network
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- UNICOM-CN
- Registrant
- China Unicom IP network
- RIR
- APNIC
Origin network
AS140726
CN
- Name
- UNICOM AnHui province network
- Type
- Internet provider
- Registered
- Jun 15, 2020
- Domain
- chinaunicom.cn
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.93.240.0/21
203.93.240.0/21
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2021 · 5.1 yr
- Origin networks
- 3
- Last change of origin
- Oct 2021
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.93.240.0/21 | AS140726 | /21 | APNIC | RPKI valid |
IRR
Route objects on 203.93.240.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS140726 | APNIC | China Unicom | MAINT-CNCGROUP-RR | Jun 8, 2023 |
Whois
Registration for this announcement
- Range
- 203.
93. 0. 0/ 16 - Netname
- UNICOM-CN
- Registrant
- China Unicom IP network
- Registrant country
- CN
- Organization
- China Unicom IP network
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 21, 2023
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- May 11, 1999
- Status
- assigned
Report abuse
Abuse contact
- hqs-ipabuse@
chinaunicom. cn - Name
- ABUSE CUCN
- Handle
- AC1718-AP