Data as of Nov 12, 2026
170.55.4.0/24
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Network & registry
Announced by
Covering announcement 170.55.0.0/16
- Prefix
- 170.55.0.0/16
- Announced by
- AS33132 Crown Castle Fiber LLC
- Type
- Internet provider
- Proxy exits
- 189
- Always-on exits
- 30
- RPKI
- No RPKI
- Netname
- ZAYO-CCF-170-55-0-0
- 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 170.55.0.0/16
170.55.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Nov 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Nov 2015
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 170.55.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33132 | RADB | Crown Castle Fiber LLC | MAINT-AS27506 | May 28, 2025 |
Whois
Registration for this announcement
- Range
- 170.
55. 0. 0/ 16 - Netname
- ZAYO-CCF-170-55-0-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-55-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- Feb 15, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 15, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN