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Data as of Nov 9, 2026

123.51.128.0/18

74 residential-proxy exits · 30 days

New Century InfoComm Tech Co., Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS9919
Type
Residential

Residential-proxy exits

Proxy exits
74
0.45% of its addresses · 30 days
Always-on exits
4
5.4% of its exits
Spread
31 of 64
/24s with at least one exit
Providers
71
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

7.3K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
123.51.159.0/2427
123.51.153.0/2424
123.51.149.0/2408
123.51.148.0/2408
123.51.154.0/2406
123.51.145.0/2405
123.51.152.0/2403
123.51.166.0/2403
123.51.174.0/2403
123.51.165.0/2402
123.51.141.0/2402
123.51.156.0/2402
123.51.147.0/2402
123.51.140.0/2402
123.51.144.0/2401
123.51.163.0/2401
123.51.150.0/2401
123.51.146.0/2401
123.51.155.0/2401
123.51.128.0/2401
123.51.157.0/2401
123.51.143.0/2401
123.51.161.0/2401
123.51.151.0/2401

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  • ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
123.51.128.0/17
since Jul 2009
AS9919Residential147
9 always on
New Century InfoComm Tech. Co., Ltd.
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

Arrived
PrefixOriginTypeProxy exitsHolderRPKI
123.51.128.0/19
since Jan 2014
AS9919Residential60
4 always on
New Century InfoComm Tech. Co., Ltd.
123.51.128.0/24
since Jan 2023
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.129.0/24
since May 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.130.0/24
since May 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.131.0/24
since May 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.132.0/24
since Jun 2026
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.133.0/24
since Aug 2025
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.134.0/24
since Jun 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.135.0/24
since Oct 2023
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.136.0/24
since Apr 2021
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.140.0/24
since Oct 19, 2026
AS4780Residential2New Century InfoComm Tech. Co., Ltd.
123.51.141.0/24
since Sep 2017
AS9919Residential2New Century InfoComm Tech. Co., Ltd.
123.51.142.0/24
since Aug 2017
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.143.0/24
since Sep 2025
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.144.0/24
since Sep 2017
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.145.0/24
since Apr 2022
AS9919Residential5New Century InfoComm Tech. Co., Ltd.
123.51.146.0/24
since Jan 2026
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.147.0/24
since Sep 2017
AS9919Residential2New Century InfoComm Tech. Co., Ltd.
123.51.148.0/24
since Sep 2017
AS9919Residential8New Century InfoComm Tech. Co., Ltd.
123.51.149.0/24
since Mar 2024
AS4780Residential8New Century InfoComm Tech. Co., Ltd.
123.51.150.0/24
since Jan 2026
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.151.0/24
since Sep 2025
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.152.0/24
since Sep 2017
AS9919Residential3New Century InfoComm Tech. Co., Ltd.
123.51.153.0/24
since Sep 2017
AS9919Residential4
2 always on
New Century InfoComm Tech. Co., Ltd.
123.51.154.0/24
since Jan 2026
AS4780Residential6New Century InfoComm Tech. Co., Ltd.
123.51.155.0/24
since Sep 2025
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.156.0/24
since Apr 2026
AS4780Residential2New Century InfoComm Tech. Co., Ltd.
123.51.157.0/24
since Oct 19, 2026
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.158.0/24
since Oct 19, 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.159.0/24
since Jul 2023
AS4780Residential7
2 always on
New Century InfoComm Tech. Co., Ltd.
123.51.160.0/19
since Jan 2014
AS9919Residential14New Century InfoComm Tech. Co., Ltd.
123.51.160.0/24
since Aug 2016
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.161.0/24
since Aug 2015
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.162.0/24
since Feb 2018
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.163.0/24
since Dec 2023
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.164.0/24
since Mar 2021
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.165.0/24
since Sep 2023
AS9919Residential2New Century InfoComm Tech. Co., Ltd.
123.51.166.0/24
since Dec 2020
AS9919Residential3New Century InfoComm Tech. Co., Ltd.
123.51.167.0/24
since Jun 2026
AS4780Residential1New Century InfoComm Tech. Co., Ltd.
123.51.168.0/24
since Oct 2017
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.169.0/24
since Jul 2023
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.170.0/24
since Jun 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.171.0/24
since Jun 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.172.0/24
since Apr 2019
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.173.0/24
since Oct 2023
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.174.0/24
since Oct 2018
AS9919Residential3New Century InfoComm Tech. Co., Ltd.
123.51.175.0/24
since Jun 2026
AS4780ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.176.0/24
since May 2022
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.178.0/24
since Dec 2019
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.182.0/24
since Jan 2020
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.183.0/24
since Aug 2018
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.184.0/24
since Apr 2023
AS9919Residential1New Century InfoComm Tech. Co., Ltd.
123.51.188.0/24
since Nov 2023
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.
123.51.190.0/24
since Apr 2023
AS9919ResidentialNew Century InfoComm Tech. Co., Ltd.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS9919

TW
Name
New Century InfoComm Tech Co., Ltd.
Type
Internet provider
Registered
Mar 28, 2000
Domain
seed.net.tw
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed