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Data as of Nov 13, 2026

37.19.64.0/22

Anonymizer · ISP proxy7 residential-proxy exits · 30 days

Cox Communications Inc. · space held by siaIT d.o.o.

Announcement
this exact prefix
RPKI valid
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
7
0.68% of its addresses · 30 days
Spread
3 of 4
/24s with at least one exit
Providers
21
selling exits here
Oct 14, 2026 – Nov 12, 2026

Exits seen per day

34 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.19.67.0/2404
37.19.65.0/2403
37.19.66.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BottingTools
  • Bright Data
  • Geonode
  • IPOasis
  • IPPeak
  • InfiniteProxies
  • Kookey
  • LemonBright
  • NSocks
  • Novada
  • PrivateProxy
  • Proxies.fo
  • Proxy-Cheap
  • ProxyEmpire
  • ProxyGeo
  • ResiProxies
  • Shifter
IPv4 market

Path

1 · Holder
siaIT d.o.o.
record created Dec 30, 2021 · reallocated to Turkcell Iletisim Hizmetleri A.S. Nov 19, 2021
2 · Leased from
IPXO
for its owner siaIT d.o.o.
3 · Announced by
AS22773 Cox Communications Inc.
since Sep 2025 · 14 mo ago
4 · Use
Proxy providersnamed PrivateProxy
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 37.19.64.0/22/24s
PrivateProxy
1,024100%
4
Leased from

IP brokers

NameIn 37.19.64.0/22/24s
IPXO
1,024100%
4
Leased from

Owners leasing their own space

NameIn 37.19.64.0/22/24s
siaIT d.o.o.
1,024100%
4

Lineage

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

37.19.64.0/22

From the registry to its use

  1. Nov 19, 2021
    Reallocated
    Turkcell Iletisim Hizmetleri A.S.
    SUB-ALLOCATED PA
    37.19.64.0/22
  2. Nov 29, 2021– Apr 21, 2022
    Announced
    AS7018 AT&T Enterprises, LLC
    Internet provider
  3. Dec 30, 2021
    Registry record
    siaIT d.o.o.
    ALLOCATED PA
    37.19.64.0/21
  4. Apr 10, 2022– May 3, 2022
    Announced
    AS63213 Astute Internet
    Hosting
  5. May 4, 2022– Jul 26, 2022
    Announced
    AS1239 Cogent Communications, LLC
  6. Jul 27, 2022– Aug 31, 2022
    Announced
    AS996 JY Mobile Communications
    Hosting
  7. Aug 4, 2022
    Route object
    IPXO
    RADB route object for AS996 JY Mobile Communications, maintainer MAINT-AS834
  8. Aug 4, 2022
    Route object
    IPXO
    RADB route object for AS1239 Cogent Communications, LLC, maintainer MAINT-AS834
  9. Aug 4, 2022
    Route object
    IPXO
    RADB route object for AS7018 AT&T Enterprises, LLC, maintainer MAINT-AS834
  10. Aug 20, 2022– Oct 2, 2025
    Announced
    AS7018 AT&T Enterprises, LLC
    Internet provider
  11. Aug 22, 2022
    Route object
    IPXO
    RIPE route object for AS7018 AT&T Enterprises, LLC, maintainer NETUTILS-MNT
  12. Sep 10, 2025
    Route object
    IPXO
    RIPE route object for AS22773 Cox Communications Inc., maintainer NETUTILS-MNT
  13. Sep 14, 2025
    Route object
    IPXO
    RADB route object for AS22773 Cox Communications Inc., maintainer MAINT-AS834
  14. Sep 21, 2025– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  15. today
    Leased from
    IPXO
    IP broker
  16. today
    Used
    PrivateProxy
    Proxy seller

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
37.19.64.0/212,048SI-SIAIT-20111222siaIT d.o.o. (ORG-SD298-RIPE) · SIALLOCATED PADec 30, 2021abuse@siait.si
└ 37.19.64.0/221,024SuperOnlineTurkcell Iletisim Hizmetleri A.S. (ORG-TA1613-RIPE) · USSUB-ALLOCATED PANov 19, 2021report@abuseradar.com
└ 37.19.64.0/23512siaIT-NetunknownASSIGNED PAJan 3, 2022report@abuseradar.com
└ 37.19.66.0/23512siaIT-NetunknownASSIGNED PAJan 3, 2022report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Nov 2021
Current origin since
Sep 2025 · 1.1 yr
Origin networks
5
Last change of origin
Sep 2025
Recorded history

History

Handoffs
5