Data as of Nov 13, 2026

151.181.52.0/22

No anonymizer space · no proxy exits in 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
62% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
151.181.32.0/19
since Dec 2018
AS46887Internet provider39
3 always on
Zayo Bandwidth
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
151.181.53.0/24
since Nov 2020
AS29822HostingZayo 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
151.181.32.0 - 151.181.95.25516,384ZAYO-CCF-151-181-32-0Zayo Bandwidth (ZAYOB) · USDirect AllocationDec 20, 2013abuse@zayo.com
└ 151.181.52.0/304THE-ARC-MERCERunknown———
└ 151.181.52.4/304BROADRIDGE-FINANCIAL-SERVICESunknown———
└ 151.181.52.8/298BROADRIDGE-FINANCIAL-SERVICESunknown———
└ 151.181.52.16/304WESTSIDE-FAMILY-HEALTHCAREunknown———
└ 151.181.52.20/304SUSSEX-COUNTYunknown———
└ 151.181.52.24/304BL-COMPANIES-5unknown———
└ 151.181.52.28/312NANTICOKE-HEALTH-SERVICESunknown———
└ 151.181.52.30/312ARCHMERE-ACADEMYunknown———
└ 151.181.52.32/298BL-COMPANIES-PHILADELPHIAunknown———
└ 151.181.52.40/298FIBERTECH-TURNUP-PHLAunknown———
└ 151.181.52.48/298CONAIR-CORPORATIONunknown———
└ 151.181.52.56/298BURRIS-LOGISTICS-INC1unknown———
└ 151.181.52.64/2664SOUTH-JERSEY-INDUSTRIESunknown———
└ 151.181.52.128/298GHRBunknown———
└ 151.181.52.216/298NET-151-181-52-216-29unknown———
└ 151.181.52.236/304NET-CCF--0-151-181-52-236-30unknown———
└ 151.181.53.0/24256NET-0-151-181-53-0-24Princeton Hosted Solutions (C07693838) · USReassignedNov 24, 2020abuse@zayo.com
via ZAYO-CCF-151-181-32-0
└ 151.181.54.40/298NET-0-151-181-54-40-29unknown———
└ 151.181.54.48/298NET-151-181-54-48-29unknown———
└ 151.181.54.80/298NET-151-181-54-80-29unknown———
└ 151.181.54.96/2732LTF--151-181-54-96-27unknown———
└ 151.181.54.128/2816NET-0-151-181-54-128-28unknown———
└ 151.181.54.144/298NET-151-181-54-144-29unknown———
└ 151.181.54.160/2732NET-151-181-54-160-27unknown———
└ 151.181.55.64/2732NET-151-181-55-64-27unknown———
└ 151.181.55.120/298NET-SD-50975-151-181-55-120-29unknown———
└ 151.181.55.224/2732NET-151-181-55-224-27unknown———

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

1,024 addresses
TypeAddressesShareRanges
Internet provider63262%2
Hosting25625%1
Business13613%14

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2015
Current origin since
May 2019 · 7.5 yr
Origin networks
2
Last change of origin
May 2019
Recorded history

History

Handoffs
1