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Data as of Nov 9, 2026

91.143.157.0/24

No anonymizer space · no proxy exits in 30 days

University of Delaware · space held by "South telephone company" LLC

Announcement
91.143.144.0/20
No RPKI
Announced by
AS2
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
91.143.144.0/204,096RU-UTC-20061101"South telephone company" LLC (ORG-UL20-RIPE) · RUALLOCATED PANov 1, 2006mike@infranet.ru
└ 91.143.157.0/24256KMVSNETNetwork for Kavminservice LTDASSIGNED PAApr 29, 2011mike@infranet.ru
via RU-UTC-20061101

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 91.143.144.0/20

Prefix
91.143.144.0/20
Announced by
AS2 University of Delaware
Type
Business
Proxy exits
14
Always-on exits
1
RPKI
No RPKI
Netname
RU-UTC-20061101
Registrant
"South telephone company" LLC
RIR
RIPE NCC
Origin network

AS2

US
Name
University of Delaware
Type
Education
Registered
Jan 10, 1991
Domain
udel.edu
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed