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Data as of Nov 3, 2026

37.19.64.0/22

Anonymizer · ISP proxy9 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
9
0.88% of its addresses · 30 days
Spread
3 of 4
/24s with at least one exit
Providers
20
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

117 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
  • 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 · 13 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– Nov 2, 2026
    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, 2021[email protected]
└ 37.19.64.0/221,024SuperOnlineTurkcell Iletisim Hizmetleri A.S. (ORG-TA1613-RIPE) · USSUB-ALLOCATED PANov 19, 2021[email protected]
└ 37.19.64.0/23512siaIT-NetunknownASSIGNED PAJan 3, 2022[email protected]
└ 37.19.66.0/23512siaIT-NetunknownASSIGNED PAJan 3, 2022[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
siaIT d.o.o.
Handle
ORG-SD298-RIPE
Range
37.19.64.0/21
Registration type
ALLOCATED PA
Record created
Dec 30, 2021
Reallocated to
Turkcell Iletisim Hizmetleri A.S. (ORG-TA1613-RIPE)
Reallocated range
37.19.64.0/22
Reallocation type
SUB-ALLOCATED PA
Reallocated
Nov 19, 2021
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed