Data as of Nov 7, 2026

173.38.0.0/15

No anonymizer space

Cisco Systems, Inc.

Announcement
RPKI valid
Announced by
Type
Business
94% of it

Residential-proxy exits

Proxy exits
8
<0.01% of its addresses · listed by providers
Spread
1 of 512
/24s with at least one exit
Providers
7
selling exits here

Proxy providers listing exits

  • 711Proxy
  • FastProxy
  • LudaxProxy
  • NovaProxy
  • RainProxy
  • Shifter
  • VantageProxies

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
173.38.0.0/17
since Jan 2009
AS109Business8Cisco Systems, Inc.
173.38.128.0/17
since Sep 2016
AS109BusinessCisco Systems, Inc.
173.39.0.0/18
since Feb 2009
AS109BusinessCisco Systems, Inc.
173.39.64.0/19
since Feb 2009
AS109BusinessCisco Systems, Inc.
173.39.96.0/19
since Mar 2009
AS109BusinessCisco Systems, Inc.
173.39.128.0/19
since Oct 2017
AS109BusinessCisco Systems, Inc.
173.39.144.0/21
since Jul 2023
AS109BusinessCisco Systems, Inc.
173.39.152.0/21
since Jul 2023
AS109BusinessCisco Systems, Inc.
173.39.160.0/19
since Oct 2017
AS109BusinessCisco Systems, Inc.
173.39.192.0/20
since Oct 2017
AS109BusinessCisco Systems, Inc.
173.39.200.0/23
since Jun 2019
AS109BusinessCisco Systems, Inc.
173.39.224.0/19
since Oct 2017
AS13445BusinessCisco Systems, Inc.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
173.36.0.0/14262,144CISCO-GEN-8Cisco Systems, Inc. (CS-2831) · USDirect AllocationAug 15, 2008csirt-notify@cisco.com
└ 173.39.224.0/198,192CISCO-WEBEX-LLCCisco Webex LLC (WEX) · USReassignedOct 2, 2017csirt-notify@cisco.com

Composition

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

Announced space

Address share

Announced space

Types across the prefix

131,072 addresses
TypeAddressesShareRanges
Business122,88094%13
Hosting8,1926.3%1

Network & registry

Announced by

Covering announcement 173.36.0.0/14

Prefix
173.36.0.0/14
Announced by
AS109 Cisco Systems, Inc.
Type
Business
Proxy exits
8
RPKI
RPKI valid
Netname
CISCO-GEN-8
Registrant
Cisco Systems, Inc.
RIR
ARIN
Origin network

AS109

US
Name
Cisco Systems, Inc.
Type
Business
Registered
May 6, 1987
Domain
cisco.com
Website
www.cisco.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed