Data as of Nov 12, 2026

183.131.128.0/21

No anonymizer space · no proxy exits in 30 days

NINGBO, ZHEJIANG Province, P.R.China. · space held by CHINANET Zhejiang province network

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
183.128.0.0/11
since Feb 2011
AS4134Residential14,525
30 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
183.128.0.0/112,097,152CHINANET-ZJCHINANET Zhejiang province networkALLOCATED PORTABLE—anti-spam@chinatelecom.cn
└ 183.128.0.0/121,048,576CHINANET-ZJ-ZXCHINANET-ZJ Zhongxin node networkALLOCATED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.128.0/212,048CHINANET-ZJ-ZSCHINANET-ZJ Zhoushan node networkALLOCATED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.128.0/23512L-CBeijing LAN Xun Communication Technology Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.132.0/23512C-PChangzhou cloud network Polytron Technologies IncASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.134.0/25128S-THangzhou far Stone Technology Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.134.192/2816H-SHangzhou science and Technology Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.134.208/304C-TChina Telecom Co Zhoushan branchASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.0/2664YI-YUNShanghai Yi cloud information technology development Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.64/2732YI-YUNShanghai Yi cloud information technology development Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.100/304ZHOUSHAN-TELECOMChina Telecom Co Zhoushan branch (IDC test)ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.108/304ZHOUSHAN-TELECOMChina Telecom Co Zhoushan branch (IDC test)ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.112/298ZHOUSHAN-TELECOMChina Telecom Co Zhoushan branch (IDC test)ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.128/2732YI-YUNShanghai Yi cloud information technology development Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.160/2732LE-CLOUDBeijing Le cloud Network Technology Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.192/2732BL-TCBeijing Lok cloud Network Technology Co., Ltd.ASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.224/304UNITED-NETWORKZhoushan branch of China United Network Communications CorpASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.232/298ZHOUSHAN-TELECOMChina Telecom Co Zhoushan branchASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.244/304HSI-ZCHealth Supervision Institute of Zhoushan CityASSIGNED NON-PORTABLE—antispam_zjnoc@163.com
└ 183.131.135.248/298DINGHAI-NEWSdinghai news centerASSIGNED NON-PORTABLE—antispam_zjnoc@163.com

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2015
Current origin since
Jan 2018 · 8.8 yr
Origin networks
2
Last change of origin
Jan 2018
Recorded history

History

Handoffs
1