Data as of Nov 15, 2026

173.205.96.0/20

512 anonymizer addresses · 13% · ISP proxy

GTT Communications Inc. · space held by PacketExchange, Inc

Announcement
No RPKI
Announced by
Type
Unknown
87% of it
IPv4 market

Path

1 · Holder
record created Oct 15, 2009
2 · Leased from
for its owner PacketExchange, Inc
3 · Announced by
AS3257 GTT Communications Inc.
since Jul 2015 · 11.3 yr ago
4 · Use
Unknown
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 173.205.96.0/20/24s
IPNetZone
51213%
2
Leased from

Owners leasing their own space

NameIn 173.205.96.0/20/24s
PacketExchange, Inc
51213%
2

Announcements

More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
173.205.98.0/23
since Mar 2026
AS20001ISP proxyIP broker IPNetZonePacketExchange, Inc
via RCN

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Unknown3,56087%4
ISP proxyanonymizer51213%1
Residential160.39%2
Business80.20%2

Network & registry

Routing timeline

Who has announced 173.205.0.0/17

173.205.0.0/17

Routing history

Pattern
Stable
First seen
Apr 2011
Current origin since
Jul 2015 · 11 yr
Origin networks
2
Last change of origin
Jul 2015
Recorded history

History

Handoffs
1