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Data as of Nov 12, 2026

74.63.192.0/18

1 anonymizer address · <0.01% · VPN61 residential-proxy exits · 30 days

Limestone Networks, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS46475
Type
Hosting
>99% of it

Residential-proxy exits

Proxy exits
61
0.37% of its addresses · 30 days
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

20K observations
IPv4 market

Path

1 · Holder
Limestone Networks, Inc.
record created Aug 29, 2008
2 · Leased from
not leased
3 · Announced by
AS46475 Limestone Networks, Inc.
since Jun 2023 · 3.4 yr ago
4 · Use
VPN servicesnamed Proton VPN
Hosting

Operators, sellers and brokers

VPN services

NameParentIn 74.63.192.0/18/24s
Proton VPNProton AG
1<0.01%
1

Lineage

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

74.63.192.0/18

From the registry to its use

  1. Aug 29, 2008
    Registry record
    Limestone Networks, Inc.
    Direct Allocation
    74.63.192.0/18
  2. Sep 8, 2008– Dec 15, 2008
    Announced
    AS30008 ColoGuys, Inc.
    Hosting
  3. Nov 15, 2008– Dec 17, 2022
    Announced
    AS46475 Limestone Networks, Inc.
    Hosting
  4. Feb 17, 2011
    Route object
    AS46475 Limestone Networks, Inc.
    ARIN route object for AS46475 Limestone Networks, Inc., maintainer MNT-LIMES-2
  5. Dec 6, 2022– Jun 27, 2023
    Announced
    AS397666 HostRound LLC
    Hosting
  6. Jun 16, 2023– Nov 11, 2026
    Announced
    AS46475 Limestone Networks, Inc.
    Hosting
  7. today
    Used
    Proton VPN
    VPN

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

PrefixOriginTypeAnonymizer addressesOperatorHolderRPKI
74.63.194.0/24
since Jan 2023
AS46475HostingLimestone Networks, Inc.
74.63.202.0/24
since Oct 2022
AS46475HostingLimestone Networks, Inc.
74.63.203.0/24
since Apr 2025
AS46475HostingLimestone Networks, Inc.
74.63.204.0/24
since Jan 2018
AS46475Hosting10.39%VPNVPN servicesoperated by Proton VPNLimestone Networks, Inc.
74.63.206.0/24
since Oct 2022
AS46475HostingLimestone Networks, Inc.
74.63.207.0/24
since Jun 2023
AS46475HostingLimestone Networks, Inc.
74.63.221.0/24
since Apr 2026
AS46475HostingLimestone Networks, Inc.
74.63.225.0/24
since Jun 2025
AS46475HostingLimestone Networks, Inc.
74.63.229.0/24
since Sep 2025
AS46475HostingLimestone Networks, Inc.
74.63.231.0/24
since Jan 2023
AS46475HostingLimestone Networks, Inc.
74.63.233.0/24
since Oct 2022
AS46475HostingLimestone Networks, Inc.
74.63.235.0/24
since Nov 2020
AS46475HostingLimestone Networks, Inc.
74.63.236.0/24
since Jan 2023
AS46475HostingLimestone Networks, Inc.
74.63.243.0/24
since Aug 2025
AS46475HostingLimestone Networks, Inc.
74.63.247.0/24
since Sep 2026
AS46475HostingLimestone Networks, Inc.

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
74.63.192.0/1816,384LIMESTONE-NETWORKSLimestone Networks, Inc. (LIMES-2) · USDirect AllocationAug 29, 2008abuse@limestonenetworks.com
└ 74.63.243.96/298LSN-DLLSTX-1unknown———
└ 74.63.243.104/298LSN-DLLSTX-1unknown———
└ 74.63.243.112/298LSN-DLLSTX-1unknown———
└ 74.63.243.120/298LSN-DLLSTX-1unknown———
└ 74.63.243.128/298LSN-DLLSTX-1unknown———
└ 74.63.243.136/298LSN-DLLSTX-1unknown———
└ 74.63.243.144/298LSN-DLLSTX-1unknown———
└ 74.63.243.152/298LSN-DLLSTX-1unknown———
└ 74.63.243.160/298LSN-DLLSTX-1unknown———
└ 74.63.243.168/298LSN-DLLSTX-1unknown———
└ 74.63.243.176/298LSN-DLLSTX-1unknown———
└ 74.63.243.184/298LSN-DLLSTX-1unknown———
└ 74.63.243.192/298LSN-DLLSTX-1unknown———
└ 74.63.243.200/298LSN-DLLSTX-1unknown———
└ 74.63.244.32/298LSN-DLLSTX-1unknown———
└ 74.63.245.144/298LSN-DLLSTX-1unknown———
└ 74.63.245.152/298LSN-DLLSTX-1unknown———
└ 74.63.245.176/298LSN-DLLSTX-1unknown———
└ 74.63.246.40/304LSN-DLLSTX-1unknown———
└ 74.63.248.96/2816LSN-DLLSTX-1unknown———
└ 74.63.249.20/304LSN-DLLSTX-1unknown———
└ 74.63.249.32/298LSN-DLLSTX-1unknown———
└ 74.63.249.44/312LSN-DLLSTX-1unknown———
└ 74.63.249.48/304LSN-DLLSTX-1unknown———
└ 74.63.249.52/304LSN-DLLSTX-1unknown———
└ 74.63.249.56/304LSN-DLLSTX-1unknown———
└ 74.63.249.96/298LSN-DLLSTX-1unknown———
└ 74.63.249.136/298LSN-DLLSTX-1unknown———
└ 74.63.250.4/304IDEA-TELECOMunknown———
└ 74.63.250.12/304LSN-DLLSTX-1unknown———
└ 74.63.250.240/2816LSN-DLLSTX-1unknown———
└ 74.63.251.104/298LSN-DLLSTX-1unknown———
└ 74.63.252.40/298LSN-DLLSTX-1unknown———
└ 74.63.253.0/298LSN-DLLSTX-1unknown———
└ 74.63.253.68/304LSN-DLLSTX-1unknown———
└ 74.63.253.188/304LSN-DLLSTX-1unknown———
└ 74.63.253.220/304LSN-DLLSTX-1unknown———
└ 74.63.254.0/298LSN-DLLSTX-1unknown———
└ 74.63.254.96/2732LSN-DLLSTX-1unknown———
└ 74.63.254.196/304LSN-DLLSTX-1unknown———
└ 74.63.254.240/298LSN-DLLSTX-1unknown———
└ 74.63.255.0/298LSN-DLLSTX-1unknown———
└ 74.63.255.16/298LSN-DLLSTX-1unknown———
└ 74.63.255.24/304LSN-DLLSTX-1unknown———
└ 74.63.255.80/298LSN-DLLSTX-1unknown———
└ 74.63.255.88/298LSN-DLLSTX-1unknown———
└ 74.63.255.108/304LSN-DLLSTX-1unknown———
└ 74.63.255.120/298LSN-DLLSTX-1unknown———
← Previous401–448 of 448 · page 3 of 3Next →

Composition

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

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Hosting16,383>99%28
VPNanonymizer1<0.01%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS46475

US
Name
Limestone Networks, Inc.
Type
Hosting
Registered
Sep 29, 2008
Domain
limestonenetworks.com
Website
www.limestonenetworks.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
719