LAYER3 INTEL
Get started
Sign in
Data as of Nov 5, 2026

159.18.0.0/16

No anonymizer space · no proxy exits in 30 days

Zayo Bandwidth

Announcement
this exact prefix
RPKI valid
Announced by
AS6461
Type
Internet provider
91% of it

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

Arrived
PrefixOriginTypeHolderRPKI
159.18.19.0/24
since Oct 2021
AS6401Internet providerZayo Bandwidth
159.18.21.0/24
since Nov 2008
AS22863BusinessZayo Bandwidth
159.18.26.0/24
since Jan 2009
AS20045BusinessZayo Bandwidth
159.18.53.0/24
since Aug 2020
AS18563BusinessZayo Bandwidth
159.18.69.0/24
since Sep 2020
AS812ResidentialZayo Bandwidth
159.18.94.0/24
since May 2005
AS25797BusinessZayo Bandwidth
159.18.95.0/24
since Sep 2010
AS11628BusinessZayo Bandwidth
159.18.103.0/24
since May 2005
AS25797BusinessZayo Bandwidth
159.18.129.0/24
since Oct 2010
AS46129BusinessZayo Bandwidth
159.18.131.0/24
since Oct 2010
AS46129BusinessZayo Bandwidth
159.18.145.0/24
since Aug 2012
AS54085BusinessZayo Bandwidth
159.18.151.0/24
since Jan 2017
AS21774HostingZayo Bandwidth
159.18.175.0/24
since Jun 2008
AS40560BusinessZayo Bandwidth
159.18.178.0/24
since May 2018
AS21774HostingZayo Bandwidth
159.18.184.0/24
since Aug 2012
AS54085BusinessZayo Bandwidth
159.18.185.0/24
since Sep 2016
AS29731BusinessZayo Bandwidth
159.18.190.0/24
since Jun 2012
AS54719UnknownZayo Bandwidth
159.18.195.0/24
since Apr 2013
AS29731BusinessZayo Bandwidth
159.18.216.0/24
since Sep 2012
AS29731BusinessZayo Bandwidth
159.18.217.0/24
since Sep 2012
AS29731BusinessZayo Bandwidth
159.18.220.0/23
since Aug 2020
AS18563BusinessZayo Bandwidth
159.18.246.0/24
since Jun 2008
AS40560BusinessZayo Bandwidth
159.18.249.0/24
since Mar 2018
AS17025Internet providerZayo Bandwidth
159.18.250.0/24
since Feb 2018
AS17025Internet providerZayo 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
159.18.0.0/1665,536ZAYO-CAN-20Zayo Bandwidth (ZAYOB) · USDirect AllocationFeb 27, 1992abuse@zayo.com
└ 159.18.21.0/24256NET-159-18-21-0-24IDIA/270673//ZYO (C11328536) · CAReassignedAug 25, 2025abuse@zayo.com
via ZAYO-CAN-20
└ 159.18.38.72/298NET-159-18-38-72-29unknown———
└ 159.18.53.0/24256CGI-INFOSYS-MGMT-CONSULTANTS-INCCGI Information Systems (C07294287) · CAReassignedFeb 13, 2019abuse@zayo.com
via ZAYO-CAN-20
└ 159.18.164.0/24256NET-159-18-164-0-24unknown———
└ 159.18.190.0/24256ZAYO-IDIA-410580-159-18-190-0-24Telus Health Solutions Inc. (C11144280) · CAReassignedMar 23, 2025abuse@zayo.com
via ZAYO-CAN-20
└ 159.18.205.0/24256TRADER-NET-SWIP-1unknown———
└ 159.18.216.0/24256TANGERINE-01Tangerine (C07281242) · CAReassignedJan 22, 2019abuse@zayo.com
via ZAYO-CAN-20
└ 159.18.249.0/24256NET-159-18-249-0-24Zayo (Interco - IT Infrastructure & Operations) (C10659291) · CAReassignedJan 23, 2024abuse@zayo.com
via ZAYO-CAN-20

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

65,536 addresses
TypeAddressesShareRanges
Internet provider59,64891%25
Business4,8647.4%18
Hosting5120.78%2
Residential2560.39%1
Unknown2560.39%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS6461

US
Name
Zayo Bandwidth
Type
Internet provider
Registered
Apr 22, 1996
Domain
zayo.com
Website
www.zayo.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed