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Data as of Nov 12, 2026

216.57.136.0/21

14 residential-proxy exits · 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
this exact prefix
No RPKI
Announced by
AS46887
Type
Business
38% of it

Residential-proxy exits

Proxy exits
14
0.68% of its addresses · 30 days
Always-on exits
2
14% of its exits
Spread
4 of 8
/24s with at least one exit
Providers
43
selling exits here
Oct 13, 2026 – Nov 11, 2026

Exits seen per day

9.6K observations
  • Residential
  • Business
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
216.57.141.0/2424
216.57.140.0/2407
216.57.137.0/2402
216.57.136.0/2401

Proxy providers listing exits

  • 9Proxy
  • Ake.net
  • AnyIP
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • ColaProxy
  • Decodo
  • EnigmaProxy
  • FLEETPROXY
  • FastProxy
  • FlexyProxies
  • FloppyData
  • Geonode
  • GloryCloud
  • IPFly
  • InfiniteProxies
  • LemonBright
  • LudaxProxy
  • MoMoProxy
  • NovProxy
  • NovaProxy
  • Oxylabs
  • PROXYSCRAPE
  • PYPROXY
  • PrivateProxy
  • Proxiware
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxyma
  • Q2IP
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_X
  • Thordata
  • VantageProxies
  • VitalExclusive
  • WealthProxies
  • ZENPROXY_LITE

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
216.57.128.0/19
since Nov 2021
AS46887Internet provider25
5 always on
Zayo Bandwidth
More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
216.57.136.0/23
since Mar 2025
AS46887Internet provider3Zayo Bandwidth
216.57.140.0/24
since Aug 2024
AS46887Residential7Zayo Bandwidth
216.57.141.0/24
since Aug 2024
AS46887Business4
2 always on
Zayo Bandwidth
216.57.142.0/24
since Mar 2017
AS395382BusinessZayo Bandwidth
216.57.143.0/24
since Sep 2024
AS33486BusinessZayo Bandwidth

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
216.57.128.0/198,192ZAYO-CCF-216-57-128-0Zayo Bandwidth (ZAYOB) · USDirect AllocationJun 7, 2000abuse@zayo.com
└ 216.57.136.32/2732VTP-SWIP-283unknown———
└ 216.57.136.64/2732NET-CCF---216-57-136-64-27unknown———
└ 216.57.136.96/298NET-CCF---216-57-136-96-29unknown———
└ 216.57.136.104/304NET-CCF---216-57-136-104-30unknown———
└ 216.57.136.108/304NET-CCF-0-216-57-136-108-30unknown———
└ 216.57.136.112/2816NET-CCF---216-57-136-112-28unknown———
└ 216.57.136.128/2732VTP-SWIP-284unknown———
└ 216.57.136.160/2732VTP-SWIP-285unknown———
└ 216.57.136.192/298NET-CCF--0-216-57-136-192-29unknown———
└ 216.57.136.200/304NET-CCF---216-57-136-200-30unknown———
└ 216.57.136.204/304NET-CCF--216-57-136-204-30unknown———
└ 216.57.136.208/2816NET-CCF--216-57-136-208-28unknown———
└ 216.57.136.224/298NET-CCF---216-57-136-224-29unknown———
└ 216.57.136.232/298NET-CCF--0-216-57-136-232-29unknown———
└ 216.57.136.240/2816NET-CCF--216-57-136-240-28unknown———
└ 216.57.137.0/298NET-CCF--0-216-57-137-0-29unknown———
└ 216.57.137.8/304NET-CCF---216-57-137-8-30unknown———
└ 216.57.137.12/304NET-CCF-216-57-137-12-30unknown———
└ 216.57.137.16/298NET-CCF---216-57-137-16-29unknown———
└ 216.57.137.24/298NET-CCF-0-216-57-137-24-29unknown———
└ 216.57.137.32/298NET-CCF--216-57-137-32-29unknown———
└ 216.57.137.40/298NET-CCF-0-216-57-137-40-29unknown———
└ 216.57.137.48/298NET-CCF-0-216-57-137-48-29unknown———
└ 216.57.137.56/298NET-CCF-0-216-57-137-56-29unknown———
└ 216.57.137.72/298NET-Z-CCF--216-57-137-72-29unknown———
└ 216.57.137.96/2732VTP-SWIP-287unknown———
└ 216.57.137.128/298NET-CCF--216-57-137-128-29unknown———
└ 216.57.137.136/298NET-CCF--216-57-137-136-29unknown———
└ 216.57.137.144/298NET-CCF-0-216-57-137-144-29unknown———
└ 216.57.137.152/298NET-CCF-0-216-57-137-152-29unknown———
└ 216.57.137.160/2732VTP-SWIP-288unknown———
└ 216.57.137.192/2732NET-CCF--216-57-137-192-27unknown———
└ 216.57.137.224/298NET-CCF-0-216-57-137-224-29unknown———
└ 216.57.137.232/298NET-CCF-0-216-57-137-232-29unknown———
└ 216.57.137.240/298NET-CCF-0-216-57-137-240-29unknown———
└ 216.57.137.248/298NET-CCF-0-216-57-137-248-29unknown———
└ 216.57.138.128/2732VTP-SWIP-290unknown———
└ 216.57.138.224/2732VTP-SWIP-291unknown———
└ 216.57.139.0/2732VTP-SWIP-292unknown———
└ 216.57.140.0/24256NET-CCF-216-57-140-0-24IQ Machines LLC (C10935945) · USReassignedAug 22, 2024abuse@zayo.com
via ZAYO-CCF-216-57-128-0
└ 216.57.141.0/24256NET-CCF-LT-083-216-57-141-0-24Dean College (C10941262) · USReassignedAug 28, 2024abuse@zayo.com
via ZAYO-CCF-216-57-128-0
└ 216.57.142.0/24256LVXY-110621-001Commonwealth Financial Network (C02749556) · USReassignedMay 4, 2011abuse@zayo.com
via ZAYO-CCF-216-57-128-0
└ 216.57.143.0/24256NET-CCF-0-216-57-143-0-24Alkermes, Inc. (C10980568) · USReassignedOct 8, 2024abuse@zayo.com
via ZAYO-CCF-216-57-128-0

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

2,048 addresses
TypeAddressesShareRanges
Business76838%10
Residential70434%5
Internet provider57628%6

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Nov 2021
Current origin since
Nov 2021 · 5.0 yr
Origin networks
1