Data as of Nov 3, 2026

199.13.0.0/24

Anonymizer · ISP proxy

Cox Communications Inc. · space held by Cogent Communications, LLC

Announcement
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 28, 2026
its first announcement on record
IPv4 market

Path

Announced by AS22773 since Sep 28, 2026 · 5 wk ago
1 · Holder
record created Sep 24, 1993
2 · Leased from
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 28, 2026 · 5 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 199.13.0.0/24/24s
Rackdog
256100%
1
Leased from

Owners leasing their own space

NameIn 199.13.0.0/24/24s
Cogent Communications, LLC
256100%
1

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
199.11.0.0 - 199.14.255.255262,144COGCCogent Communications, LLC (COGC) · USDirect AllocationSep 24, 1993[email protected]
└ 199.13.0.0/1665,536RACKDOG-CGNT-NET-20RCN (C11605118) · USReassignedMay 27, 2026[email protected]
via COGC

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

Announced by

Covering announcement 199.13.0.0/16

Prefix
199.13.0.0/16
Announced by
AS22773 Cox Communications Inc.
Type
ISP proxy
Anonymizer addresses
all
Leased from
IP broker Rackdog
Proxy exits
2
RPKI
No RPKI
Netname
RACKDOG-CGNT-NET-20
Registrant
RCN
RIR
ARIN
IPv4 market

Holder

Organization
Cogent Communications, LLC
Handle
COGC
Range
199.11.0.0 - 199.14.255.255
Registration type
Direct Allocation
Record created
Sep 24, 1993
Legacy
yes
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed