Data as of Nov 15, 2026

144.121.201.0/29

No anonymizer space · no proxy exits in 30 days

Crown Castle Fiber LLC · space held by Zayo Bandwidth

Announcement

144.121.200.0/22

No RPKI

Announced by

AS46887

Type

Internet provider

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

38% of its addresses · listed by providers

Always-on exits

67% of its exits

Providers

selling exits here

Proxy providers listing exits

711Proxy
9Proxy
Ake.net
BirdProxies
BottingTools
Bright Data
ByteProxies
Byteful
DataImpulse
Decodo
EnigmaProxy
FlashProxy
FloppyData
Geonode
GonzoProxy
Infatica
InfiniteProxies
Kookey
LemonBright
NovaProxy
Oxylabs
PacketStream
Proxy-Seller
Proxy4U
ProxyEmpire
ProxyRack
ProxyWing
Thordata
ThunderProxy

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
144.121.192.0/18 since Dec 2017	AS46887	Internet provider	48 9 always on	Zayo Bandwidth
144.121.0.0/16 since Nov 2021	AS46887	Internet provider	142 22 always on	Zayo Bandwidth

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
144.121.0.0/16	65,536	ZAYO-CCF-144-121-0-0	Zayo Bandwidth (ZAYOB) · US	Direct Allocation	Apr 29, 2016	abuse@zayo.com
└ 144.121.201.0/29	8	LTF--144-121-201-0-29	unknown	—	—	—

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

144.121.200.0/22

Routing history

Pattern: Stable
First seen: Jun 2025
Current origin since: Jun 2025 · 1.4 yr
Origin networks: 1