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Data as of Nov 7, 2026

199.163.16.0/20

Anonymizer · ISP proxy

Arelion Sweden AB · space held by Cogent Communications, LLC

Announcement
199.163.0.0/19
No RPKI
Announced by
AS1299
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 1, 1994
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS1299 Arelion Sweden AB
since Oct 2025 · 13 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 199.163.16.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 199.163.16.0/20/24s
Cogent Communications, LLC
4,096100%
16

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
199.160.0.0/14262,144COGENT-199-160-0Cogent Communications, LLC (COGC) · USDirect AllocationFeb 1, 1994abuse@cogentco.com
└ 199.163.0.0/1665,536RACKDOG-CGNT-NET-27RCN (C11605222) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-199-160-0

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 199.163.0.0/19

Prefix
199.163.0.0/19
Announced by
AS1299 Arelion Sweden AB
Type
ISP proxy
Anonymizer addresses
all
Leased from
IP broker Rackdog
RPKI
No RPKI
Netname
RACKDOG-CGNT-NET-27
Registrant
RCN
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
199.160.0.0/14
Registration type
Direct Allocation
Record created
Feb 1, 1994
Legacy
yes
Origin network

AS1299

SE
Name
Arelion Sweden AB
Type
Internet provider
Registered
Sep 1, 1993
Domain
arelion.com
Website
www.arelion.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
6