LAYER3 INTEL
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Data as of Nov 7, 2026

42.51.0.0/17

2 residential-proxy exits · 30 days

Zhengzhou Fastidc Technology Co.,Ltd. · space held by CNISP-Union Technology (Beijing) Co., Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS56005
Type
Hosting

Residential-proxy exits

Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 128
/24s with at least one exit
Providers
6
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

11 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
42.51.38.0/2401
42.51.42.0/2401

Proxy providers listing exits

  • Byteful
  • GSocks
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
42.51.0.0/18
since Jan 2022
AS56005Hosting2CNISP-Union Technology (Beijing) Co., Ltd
via Henan Telcom Union Technology Co., LTD
42.51.64.0/18
since Jan 2022
AS56005HostingCNISP-Union Technology (Beijing) Co., Ltd
via Henan Telcom Union Technology Co., LTD

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
42.51.0.0/1665,536CNISP-UNIONCNISP-Union Technology (Beijing) Co., LtdALLOCATED PORTABLE—ipas@cnnic.cn
└ 42.51.0.0/1732,768HTU-NETHenan Telcom Union Technology Co., LTDALLOCATED NON-PORTABLE—support@cnispgroup.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
CNISP-Union Technology (Beijing) Co., Ltd
Range
42.51.0.0/16
Registration type
ALLOCATED PORTABLE
Reallocated to
Henan Telcom Union Technology Co., LTD
Reallocated range
42.51.0.0/17
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS56005

CN
Name
Zhengzhou Fastidc Technology Co.,Ltd.
Type
Hosting
Registered
Dec 24, 2010
Domain
htuidc.com
Spamhaus ASN-DROP
not listed