Data as of Nov 12, 2026

63.160.0.0/24

Anonymizer · ISP proxy

Telstra Global · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Dec 3, 1999
2 · Leased from
3 · Announced by
AS4637 Telstra Global
since Dec 2025 · 11 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 63.160.0.0/24/24s
Rackdog
256100%
1
Leased from

Owners leasing their own space

NameIn 63.160.0.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

63.160.0.0/24

From the registry to its use

  1. Dec 3, 1999
    Registry record
    Cogent Communications, LLC
    Direct Allocation
    63.160.0.0/12
  2. May 9, 2005– May 8, 2009
    Announced
    AS22941 The HelpDesk Inc
    Hosting
  3. Dec 2, 2025– today
    Announced
    AS4637 Telstra Global
    Internet provider
  4. May 27, 2026
    Assigned
    RCN
    Reassigned
    63.160.0.0/24
  5. Sep 18, 2026– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 63.160.0.0/12
    63.160.0.0/12
  6. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.160.0.0/12AS174Internet provider188
24 always on
Cogent Communications, 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
63.160.0.0/121,048,576COGENT-63-160-0Cogent Communications, LLC (COGC) · USDirect AllocationDec 3, 1999abuse@cogentco.com
└ 63.160.0.0/24256RACKDOG-CGNT-NET-119RCN (C11605365) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-63-160-0

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

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Reactivated
First seen
May 2005
Current origin since
Dec 2025 · 11 mo
Origin networks
2
Last change of origin
Dec 2025
Recorded history

History

Handoffs
1