Data as of Nov 8, 2026
144.121.216.0/24
1 residential-proxy exit · 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Always-on exits
1
100% of its exits
Providers
19
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
4.4K observations
Proxy providers listing exits
- 711Proxy
- 9Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- FlashProxy
- FloppyData
- Geonode
- MarsProxies
- Oxylabs
- 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 | 43 8 always on | Zayo Bandwidth | |
| 144.121.0.0/16 since Nov 2021 | AS46887 | Internet provider | 131 25 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@ |
| └ 144.121.216.16/30 | 4 | NET-Z-CCF-0-144-121-216-16-30 | unknown | — | — | — |
| └ 144.121.216.20/30 | 4 | NET-Z-CCF-0-144-121-216-20-30 | unknown | — | — | — |
| └ 144.121.216.24/30 | 4 | NET-Z-CCF-0-144-121-216-24-30 | unknown | — | — | — |
| └ 144.121.216.28/30 | 4 | NET-Z-CCF-0-144-121-216-28-30 | unknown | — | — | — |
| └ 144.121.216.32/29 | 8 | LTF-144-121-216-32-29 | unknown | — | — | — |
| └ 144.121.216.40/29 | 8 | NET-144-121-216-40-29 | unknown | — | — | — |
| └ 144.121.216.48/30 | 4 | LTF-0-144-121-216-48-30 | unknown | — | — | — |
| └ 144.121.216.64/27 | 32 | LTF--144-121-216-64-27 | unknown | — | — | — |
| └ 144.121.216.96/29 | 8 | LTF--144-121-216-96-29 | unknown | — | — | — |
| └ 144.121.216.112/30 | 4 | NET-CCF--0-144-121-216-112-30 | unknown | — | — | — |
| └ 144.121.216.116/30 | 4 | NET-CCF--0-144-121-216-116-30 | unknown | — | — | — |
| └ 144.121.216.120/29 | 8 | NET-CCF--0-144-121-216-120-29 | unknown | — | — | — |
| └ 144.121.216.128/30 | 4 | NET-CCF--144-121-216-128-30 | unknown | — | — | — |
| └ 144.121.216.132/30 | 4 | NET-CCF--144-121-216-132-30 | unknown | — | — | — |
| └ 144.121.216.136/29 | 8 | LTF--144-121-216-136-29 | unknown | — | — | — |
| └ 144.121.216.144/29 | 8 | NET-CCF--0-144-121-216-144-29 | unknown | — | — | — |
| └ 144.121.216.152/29 | 8 | LTF--144-121-216-152-29 | unknown | — | — | — |
| └ 144.121.216.160/29 | 8 | LTF-LT-210-144-121-216-160-29 | unknown | — | — | — |
| └ 144.121.216.168/29 | 8 | NET-CCF---144-121-216-168-29 | unknown | — | — | — |
| └ 144.121.216.176/29 | 8 | LTF--144-121-216-176-29 | unknown | — | — | — |
| └ 144.121.216.184/29 | 8 | NET-CCF--0-144-121-216-184-29 | unknown | — | — | — |
| └ 144.121.216.200/30 | 4 | NET-CCF--0-144-121-216-200-30 | unknown | — | — | — |
| └ 144.121.216.204/30 | 4 | NET-CCF--0-144-121-216-204-30 | unknown | — | — | — |
| └ 144.121.216.208/28 | 16 | LTF--144-121-216-208-28 | unknown | — | — | — |
| └ 144.121.216.228/30 | 4 | NET-Z-CCF--144-121-216-228-30 | unknown | — | — | — |
| └ 144.121.216.240/28 | 16 | NET-CCF--0-144-121-216-240-28 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 144.121.216.0/22
- Prefix
- 144.121.216.0/22
- Announced by
- AS46887 Crown Castle Fiber LLC
- Type
- Internet provider
- Proxy exits
- 3
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- ZAYO-CCF-144-121-0-0
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
Origin network
AS46887
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Apr 13, 2009
- Domain
- zayo.com
- Website
- www.crowncastle.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
144.121.216.0/22
Routing history
- Pattern
- Stable
- First seen
- Jul 2024
- Current origin since
- Jul 2024 · 2.3 yr
- Origin networks
- 1
IRR
Route objects on 144.121.216.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 144.
121. 0. 0/ 16 - Netname
- ZAYO-CCF-144-121-0-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-144-121-0-0-1
- Parent
- NET-144-0-0-0-0
- Created
- Apr 29, 2016
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 2016
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN