Data as of Nov 4, 2026
183.131.172.0/24
No anonymizer space · no proxy exits in 30 daysAS58461 · space held by CHINANET Zhejiang province network
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 183.128.0.0/11 since Feb 2011 | AS4134 | Residential | 14,270 19 always on | CHINANET Zhejiang province network |
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 |
|---|---|---|---|---|---|---|
| 183.128.0.0/11 | 2,097,152 | CHINANET-ZJ | CHINANET Zhejiang province network | ALLOCATED PORTABLE | — | anti-spam@ |
| └ 183.128.0.0/12 | 1,048,576 | CHINANET-ZJ-ZX | CHINANET-ZJ Zhongxin node network | ALLOCATED NON-PORTABLE | — | antispam_ |
| └ 183.131.160.0/19 | 8,192 | CHINANET-ZJ-HU | CHINANET-ZJ Huzhou node network | ALLOCATED NON-PORTABLE | — | antispam_ |
| └ 183.131.172.0/23 | 512 | HANGZHOU-SULIAN-INFOTECH-LTD | Hangzhou Sulian Mdt InfoTech Ltd | ASSIGNED NON-PORTABLE | — | antispam_ |
Network & registry
Registry
Holder
- Organization
- CHINANET Zhejiang province network
- Range
- 183.
128. 0. 0/ 11 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- CHINANET-ZJ Huzhou node network
- Reallocated range
- 183.
131. 160. 0/ 19 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS58461
CN
- Type
- Hosting
- Registered
- Dec 1, 2011
- Domain
- zjtelecom.com.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 183.131.172.0/24 | AS58461 | /24 | APNIC | RPKI valid |
| 183.128.0.0/11 | AS4134 | /11 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS58461 | RADB | Chinanet-HangZhou-IDC | MAINT-AS58461 | May 6, 2026 |
Whois
Registration for this announcement
- Range
- 183.
131. 172. 0/ 23 - Netname
- HANGZHOU-SULIAN-INFOTECH-LTD
- Registrant
- Hangzhou Sulian Mdt InfoTech Ltd
- Registrant country
- CN
- Organization
- Hangzhou Sulian Mdt InfoTech Ltd
- Org country
- CN
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 24, 2021
- Maintainer
- MAINT-CN-CHINANET-ZJ-HU
- RIR
- APNIC
- Country
- CN
- Delegated
- Nov 4, 2009
- Status
- assigned
Report abuse
Abuse contact
- antispam_
zjnoc@ 163. com - Name
- ABUSE CHINANETZJ
- Handle
- AC1602-AP