LAYER3 INTEL
Get started
Sign in
Data as of Nov 10, 2026

208.39.192.0/18

No anonymizer space · no proxy exits in 30 days

Zayo Bandwidth

Announcement
this exact prefix
RPKI valid
Announced by
AS6461
Type
Internet provider
79% 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
208.39.192.0/23
since May 2005
AS4997Internet providerZayo Bandwidth
208.39.194.0/23
since May 2005
AS4997Internet providerZayo Bandwidth
208.39.196.0/22
since May 2005
AS4997Internet providerZayo Bandwidth
208.39.199.0/24
since Jul 2010
AS4997Internet providerZayo Bandwidth
208.39.218.0/24
since May 2005
AS4997Internet providerZayo Bandwidth
208.39.222.0/24
since May 2005
AS4997Internet providerZayo Bandwidth
208.39.224.0/22
since May 2005
AS4997Internet providerZayo Bandwidth
208.39.228.0/24
since Jul 2010
AS4997Internet providerZayo Bandwidth
208.39.229.0/24
since Jul 2010
AS4997Internet providerZayo Bandwidth
208.39.232.0/21
since May 2005
AS4997UnknownZayo Bandwidth
via Twelve Horses North America, LLC
208.39.246.0/24
since Dec 2005
AS4997Internet providerZayo Bandwidth
208.39.247.0/24
since Jun 2010
AS4997Internet providerZayo Bandwidth
208.39.248.0/22
since Jan 2010
AS4997Internet providerZayo Bandwidth
208.39.249.0/24
since Jan 2009
AS4997Internet providerZayo Bandwidth
208.39.252.0/22
since Jan 2010
AS4997Internet providerZayo Bandwidth
208.39.255.0/24
since Apr 2009
AS4997Internet 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
208.39.192.0/1816,384VELOCITUS-MAIN-2Zayo Bandwidth (ZAYOB) · USDirect AllocationNov 14, 2000abuse@zayo.com
└ 208.39.192.0/2816CUST-RENO-92593unknown———
└ 208.39.192.32/2732CUST-RENO-91354unknown———
└ 208.39.192.64/298CUST-RENO-88338unknown———
└ 208.39.192.88/298CUST-RENO-91010-2unknown———
└ 208.39.192.96/298CUST-RENO-94044unknown———
└ 208.39.192.112/2816CUST-RENO-96157unknown———
└ 208.39.192.128/298CUST-RENO-96327unknown———
└ 208.39.192.136/298CUST-RENO-95901unknown———
└ 208.39.192.144/298CUST-RENO-97014unknown———
└ 208.39.194.0/23512IDAHOPOWER-AFSIdaho Power Company (C01884233) · USReassignedFeb 12, 2008abuse@zayo.com
via VELOCITUS-MAIN-2
└ 208.39.196.0/298CUST-LV-86825unknown———
└ 208.39.196.16/298CUST-LV-88218unknown———
└ 208.39.196.24/298CUST-LV-88307unknown———
└ 208.39.196.48/2816CUST-LV-90261unknown———
└ 208.39.196.64/298CUST-LV-90868unknown———
└ 208.39.196.72/298CUST-LV-91537unknown———
└ 208.39.196.80/298CUST-LV-91351unknown———
└ 208.39.196.88/298CUST-LV-92376unknown———
└ 208.39.196.96/2816CUST-LV-92808unknown———
└ 208.39.196.112/298CUST-LV-92831unknown———
└ 208.39.196.120/298CUST-LV-92943unknown———
└ 208.39.196.128/298CUST-LV-88209unknown———
└ 208.39.196.144/298CUST-LV-94430unknown———
└ 208.39.196.160/2732CUST-LV-93158unknown———
└ 208.39.196.192/2732CUST-LV-93333unknown———
└ 208.39.196.232/298CUST-LV-93459unknown———
└ 208.39.196.240/298CUST-LV-93750unknown———
└ 208.39.196.248/298CUST-LV-93125unknown———
└ 208.39.197.0/2732CUST-NLV-93824unknown———
└ 208.39.197.32/298CUST-LV-93853unknown———
└ 208.39.197.40/298CUST-NLV-73159unknown———
└ 208.39.197.48/298CUST-LV-94317unknown———
└ 208.39.197.56/298CUST-LV-94441unknown———
└ 208.39.197.64/2732CUST-LV-94316unknown———
└ 208.39.197.96/2732CUST-LV-94458unknown———
└ 208.39.197.128/298CUST-LV-94608unknown———
└ 208.39.197.144/298CUST-LV-95150unknown———
└ 208.39.197.152/298CUST-LV-95046unknown———
└ 208.39.197.160/2816CUST-LV-95044unknown———
└ 208.39.197.184/298CUST-LV-96547unknown———
└ 208.39.197.192/2816CUST-LV-96752unknown———
└ 208.39.197.208/2816CUST-LV-96966unknown———
└ 208.39.197.224/2816CUST-LV-96978unknown———
└ 208.39.197.240/2816CUST-LV-97108unknown———
└ 208.39.198.0/298CUST-LV-97132unknown———
└ 208.39.198.8/298CUST-LV-97176unknown———
└ 208.39.198.24/298CUST-LV-97106unknown———
└ 208.39.199.64/298208-39-199-64-29unknown———
└ 208.39.199.128/2664208-39-199-128-26unknown———
└ 208.39.204.0/24256CUST-223-18912unknown———
└ 208.39.205.0/24256CUST-PORT-DSLunknown———
└ 208.39.206.0/24256CUST-PORT-PHunknown———
└ 208.39.207.0/298CUST-PORT-94227unknown———
└ 208.39.207.8/298CUST-PORT-94988unknown———
└ 208.39.207.16/298CUST-PORT-95422unknown———
└ 208.39.207.24/298CUST-PORT-97646unknown———
└ 208.39.207.32/2732CUST-PORT-96435unknown———
└ 208.39.207.64/2732CUST-PORT-96569unknown———
└ 208.39.207.96/2732CUST-PORT-96668unknown———
└ 208.39.207.128/298CUST-PORT-96792unknown———
└ 208.39.207.144/2816CUST-PORT-96931unknown———
└ 208.39.207.160/2732CUST-PORT-97772unknown———
└ 208.39.207.192/2732CUST-PORT-97646unknown———
└ 208.39.208.0/24256CUST-224-18912unknown———
└ 208.39.216.80/298CUST-BOIS-93617-1unknown———
└ 208.39.217.192/298CUST-JWARRENDSL-1unknown———
└ 208.39.222.192/2664208-39-222-192-26unknown———
└ 208.39.232.0/212,048THNA-NETBLOCK-1Twelve Horses North America, LLC (THNA) · USReallocatedApr 4, 2005abuse@twelvehorses.com
└ 208.39.246.160/2732208-39-246-160-27unknown———
└ 208.39.248.192/298208-39-248-192-29unknown———
└ 208.39.250.0/24256KEYNETICS-AFSunknown———
└ 208.39.251.0/24256INTRALOT-AFSunknown———
└ 208.39.252.192/298208-39-252-192-29unknown———
└ 208.39.252.200/298208-39-252-200-29unknown———
└ 208.39.252.208/298208-39-252-208-29unknown———
└ 208.39.252.216/298208-39-252-216-29unknown———
└ 208.39.252.224/298208-39-252-224-29unknown———
└ 208.39.255.0/2732CITYOFBOISEunknown———

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

16,384 addresses
TypeAddressesShareRanges
Internet provider12,97679%37
Unknown2,04813%1
Business8405.1%59
Residential5203.2%3

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