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Data as of Nov 7, 2026

1.233.208.0/20

8 residential-proxy exits · 30 days

Yonsei University

Announcement
this exact prefix
No RPKI
Announced by
AS4665
Type
Business

Residential-proxy exits

Proxy exits
8
0.20% of its addresses · 30 days
Spread
5 of 16
/24s with at least one exit
Providers
8
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

20 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
1.233.220.0/2404
1.233.218.0/2401
1.233.219.0/2401
1.233.221.0/2401
1.233.222.0/2401

Proxy providers listing exits

  • EnigmaProxy
  • FastProxy
  • LemonBright
  • NovaProxy
  • RainProxy
  • StrikeProxy
  • Thordata
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
1.232.0.0/13
since Aug 2010
AS9318Residential2,754
211 always on
1.224.0.0/11
since Dec 2016
AS9318Residential10,787
830 always on

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
1.233.208.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.209.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.210.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.211.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.212.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.213.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.214.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.215.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.216.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.217.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.218.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.219.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.220.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.221.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.222.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr
1.233.223.0/24256YONSEI-NETYonsei UniversityALLOCATED PORTABLE—hostmaster@nic.or.kr

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Not stated by the registry
Origin network

AS4665

KR
Name
Yonsei University
Type
Education
Registered
Dec 17, 2004
Domain
yonsei.ac.kr
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed