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Data as of Nov 11, 2026

173.0.4.0/22

Anonymizer · Datacenter proxy1 residential-proxy exit · 30 days

Catalyst Host LLC · space held by Host Banda, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS393336
Type
Datacenter proxy
Risk
85 / 100 · Critical

Residential-proxy exits

Proxy exits
1
0.10% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
1
selling exits here
Oct 12, 2026 – Nov 10, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • InfiniteProxies
IPv4 market

Path

1 · Holder
Host Banda, LLC
record created Apr 4, 2025 · reallocated to Rockion LLC May 21, 2025
2 · Leased from
not leased
3 · Announced by
AS393336 Catalyst Host LLC
since Apr 2025 · 19 mo ago
4 · Use
Datacenter proxy
anonymizer space, operator not named

Lineage

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

173.0.4.0/22

From the registry to its use

  1. Feb 22, 2016– Apr 28, 2016
    Announced
    AS6461 Zayo Bandwidth
    Internet provider
  2. Apr 22, 2016– Jan 2, 2020
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  3. Oct 19, 2022– Nov 18, 2023
    Announced
    AS400605
    Business
  4. Sep 26, 2024– Oct 19, 2024
    Announced
    AS30058 FDCservers.net
    Hosting
  5. Apr 4, 2025
    Registry record
    Host Banda, LLC
    Direct Allocation
    173.0.4.0/22
  6. Apr 6, 2025– today
    Announced
    AS393336 Catalyst Host LLC
    Hosting
  7. Apr 8, 2025
    Route object
    AS393336 Catalyst Host LLC
    ARIN route object for AS393336 Catalyst Host LLC, maintainer MNT-HBL-97
  8. May 21, 2025
    Reallocated
    Rockion LLC
    Reallocated
    173.0.4.0/22
  9. Jul 7, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-HBL-97
    173.0.4.0/24
  10. Jul 7, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-HBL-97
    173.0.5.0/24
  11. Jul 7, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-HBL-97
    173.0.6.0/24
  12. Jul 7, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-HBL-97
    173.0.7.0/24

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
173.0.4.0/221,024HBA-STATIC-01Host Banda, LLC (HBL-97) · USDirect AllocationApr 4, 2025netops@hostbanda.com
└ 173.0.4.0/221,024HOSTBANDA-173-0-4-0-22Rockion LLC (RL-861) · USReallocatedMay 21, 2025netops@rockionllc.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Feb 2016
Current origin since
Apr 2025 · 1.6 yr
Origin networks
5
Last change of origin
Apr 2025
Recorded history

History

Handoffs
4