Data as of Nov 11, 2026
45.42.57.136/29
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Residential-proxy exits
Proxy exits
1
13% of its addresses · listed by providers
Providers
1
selling exits here
Proxy providers listing exits
- NovaProxy
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 |
|---|---|---|---|---|---|---|
| 45.42.56.0/21 | 2,048 | ZAYO-CCF-45-42-56-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 13, 2015 | abuse@ |
| └ 45.42.57.136/29 | 8 | FPLFI-NEWSOMEYE-DIA-131579-1 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 45.42.56.0/21
- Prefix
- 45.42.56.0/21
- Announced by
- AS33132 Crown Castle Fiber LLC
- Type
- Internet provider
- Proxy exits
- 6
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- ZAYO-CCF-45-42-56-0
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
Origin network
AS33132
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Oct 7, 2004
- Domain
- zayo.com
- Website
- www.crowncastle.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 45.42.56.0/21
45.42.56.0/21
Routing history
- Pattern
- Stable
- First seen
- Feb 2015
- Current origin since
- Feb 2015 · 12 yr
- Origin networks
- 1
IRR
Route objects on 45.42.56.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 not the origin | RADB | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 45.
42. 56. 0/ 21 - Netname
- ZAYO-CCF-45-42-56-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-45-42-56-0-1
- Parent
- NET-45-0-0-0-0
- Created
- Feb 13, 2015
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 13, 2015
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN