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Data as of Nov 8, 2026

12.199.50.0/24

1 residential-proxy exit · 30 days

Columbus Telephone Company · reallocated from AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS40230
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
5
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

160 observations

Proxy providers listing exits

  • BottingTools
  • ColaProxy
  • Novada
  • ProxyWing
  • Thordata

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,263
290 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,346
727 always on
AT&T Enterprises, LLC

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
12.0.0.0/816,777,216ATTAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 23, 1983abuse@att.net
└ 12.199.50.0/24256NET-12-199-50-0-1Columbus Telephone Company (CT-38) · USReallocatedSep 22, 2023ghamilton@columbus-telephone.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
12.0.0.0/8
Registration type
Direct Allocation
Record created
Aug 23, 1983
Legacy
yes
Reallocated to
Columbus Telephone Company (CT-38)
Reallocated range
12.199.50.0/24
Reallocated
Sep 22, 2023
Origin network

AS40230

US
Name
Columbus Telephone Company
Type
Internet provider
Registered
May 25, 2012
Domain
columbus-telephone.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed