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Data as of Nov 8, 2026

45.73.160.0/19

3,072 anonymizer addresses · 38% · Datacenter proxy75 residential-proxy exits · 30 days

Colocation America Corporation

Announcement
this exact prefix
No RPKI
Announced by
AS21769
Type
Hosting
59% of it

Residential-proxy exits

Proxy exits
75
0.92% of its addresses · 30 days
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

2.1K observations
  • Datacenter proxy · anonymizer
  • Hosting
IPv4 market

Path

1 · Holder
Colocation America Corporation
record created Apr 24, 2015
2 · Leased from
Colocation America Corporation
its owner, directly
3 · Announced by
AS21769 Colocation America Corporation
since May 2015 · 11.5 yr ago
4 · Use
Proxy providersnamed Oxylabs, Wired ISP
Hosting

Operators, sellers and brokers

Proxy providers

NameParentKindIn 45.73.160.0/19/24s
OxylabsTesonetProxy seller
2,56031%
10
Wired ISPProxy operator
2563.1%
1
Leased from

Owners leasing their own space

NameIn 45.73.160.0/19/24s
Colocation America Corporation
2563.1%
1

Lineage

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

45.73.160.0/19

From the registry to its use

  1. Apr 24, 2015
    Registry record
    Colocation America Corporation
    Direct Allocation
    45.73.160.0/19
  2. May 1, 2015– today
    Announced
    AS21769 Colocation America Corporation
    Hosting
  3. Jun 22, 2017
    Route object
    AS54103 MOD Mission Critical, LLC
    RADB route object for AS54103 MOD Mission Critical, LLC, maintainer MAINT-AS54103
    45.73.182.0/23
  4. Jul 13, 2023
    Route object
    AS54103 MOD Mission Critical, LLC
    RADB route object for AS54103 MOD Mission Critical, LLC, maintainer MAINT-AS54103
    45.73.188.0/22
  5. Jun 10, 2026
    Route object
    AS21769 Colocation America Corporation
    RADB route object for AS21769 Colocation America Corporation, maintainer MAINT-AS35916
  6. Jun 16, 2026
    Route object
    AS47007 Colocation America Corporation
    ARIN route object for AS47007 Colocation America Corporation, maintainer MNT-CAC-89
    45.73.176.0/22
  7. Jun 17, 2026
    Route object
    AS47007 Colocation America Corporation
    ARIN route object for AS47007 Colocation America Corporation, maintainer MNT-CAC-89
    45.73.184.0/22
  8. Oct 22, 2026
    Route object
    AS21769 Colocation America Corporation
    ARIN route object for AS21769 Colocation America Corporation, maintainer MNT-CAC-89
    45.73.160.0/21
  9. today
    Used
    Oxylabs
    Proxy seller
  10. today
    Used
    Wired ISP
    Proxy operator

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

Arrived
PrefixOriginTypeOperatorLeased fromHolderRPKI
45.73.168.0/24
since Mar 2024
AS272367UnknownIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
45.73.169.0/24
since Mar 2026
AS21840Datacenter proxyProxy providersoperated by Wired ISPIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
45.73.170.0/24
since May 2026
AS47007Datacenter proxyColocation America Corporation
45.73.171.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.172.0/24
since May 2026
AS47007HostingColocation America Corporation
45.73.173.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.174.0/24
since May 2026
AS47007HostingColocation America Corporation
45.73.175.0/24
since May 2026
AS47007Datacenter proxyProxy providersoperated by OxylabsColocation America Corporation
45.73.176.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.177.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.178.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.179.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.180.0/24
since Jun 2024
AS25743UnknownIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
45.73.181.0/24
since Aug 2026
AS29802HostingIP broker IPXOColocation America Corporation
via Internet Utilities NA LLC
45.73.182.0/24
since May 2026
AS47007HostingColocation America Corporation
45.73.184.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.185.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.186.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.187.0/24
since Jun 2026
AS47007HostingColocation America Corporation
45.73.188.0/24
since Jul 2023
AS54103HostingColocation America Corporation
45.73.189.0/24
since Jul 2023
AS54103HostingColocation America Corporation
45.73.190.0/24
since Jul 2023
AS54103HostingColocation America Corporation
45.73.191.0/24
since Jul 2023
AS54103HostingColocation America Corporation

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
45.73.160.0/198,192CAC-BLOCK11Colocation America Corporation (CAC-89) · USDirect AllocationApr 24, 2015Abuse@colocationamerica.com
└ 45.73.160.0/212,048CODE200-UABcode200 UAB (C08068385) · LTReassignedOct 15, 2021Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.168.0/24256IPXOIPXO LLC (IL-845) · USReallocatedMar 5, 2024abuse@ipxo.com
└ 45.73.168.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 45.73.168.0/24256NET-45-73-168-0-24Gridned S de RL de CV (C11061736) · MXReassignedJan 7, 2025report@abuseradar.com
via IPXO
└ 45.73.169.0/24256IPXO-LLCIPXO LLC (IL-845) · USReallocatedFeb 5, 2024abuse@ipxo.com
└ 45.73.169.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 45.73.169.0/24256NET-45-73-169-0-24unknownReassignedJan 7, 2025report@abuseradar.com
via IPXO-LLC
└ 45.73.170.0/24256TAHOE-BROADBANDTahoe Broadband (C11386716) · USReassignedOct 13, 2025Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.171.0/24256NORTH-COAST-HOSTINGNorth Coast Hosting (C08256636) · USReassignedMar 18, 2022Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.172.0/24256TAHOE-BROADBANDTahoe Broadband (C11386719) · USReassignedOct 13, 2025Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.173.0/24256NORTH-COAST-HOSTINGNorth Coast Hosting (C07985132) · USReassignedAug 9, 2021Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.174.0/24256TAHOE-BROADBANDTahoe Broadband (C11386718) · USReassignedOct 13, 2025Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.175.0/24256CODE200-UABcode200 UAB (C07978664) · LTReassignedAug 2, 2021Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.180.0/24256IPXOIPXO LLC (IL-845) · USReallocatedMar 5, 2024abuse@ipxo.com
└ 45.73.180.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 45.73.180.0/24256NET-45-73-180-0-24unknownReassignedJan 7, 2025report@abuseradar.com
via IPXO
└ 45.73.181.0/24256IPXOIPXO LLC (IL-845) · USReallocatedMar 5, 2024abuse@ipxo.com
└ 45.73.181.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 45.73.181.0/24256NET-45-73-181-0-24unknownReassignedAug 11, 2026report@abuseradar.com
via IPXO
└ 45.73.183.0/24256CODE200CODE200 (C10042028) · LTReassignedAug 24, 2023Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.184.0/221,024NORTH-COAST-HOSTINGNorth Coast Hosting (C07592205) · USReassignedJul 21, 2020Abuse@colocationamerica.com
via CAC-BLOCK11
└ 45.73.188.0/221,024MOD-MISSION-CRITICALMOD Mission Critical (C09806396) · USReassignedJul 12, 2023Abuse@colocationamerica.com
via CAC-BLOCK11

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Hosting4,86459%19
Datacenter proxyanonymizer3,07238%10
Unknown2563.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS21769

US
Name
Colocation America Corporation
Type
Hosting
Registered
Jul 15, 2005
Domain
colocationamerica.com
Website
www.colocationamerica.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed