Data as of Nov 9, 2026
66.206.117.0/24
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.206.116.0/22 since Jul 2024 | AS46887 | Internet provider | 1 | Zayo Bandwidth | |
| 66.206.112.0/20 since Nov 2012 | AS46887 | Internet provider | 10 | Zayo 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 66.206.112.0/20 | 4,096 | ZAYO-CCF-66-206-112-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Mar 30, 2006 | abuse@ |
| └ 66.206.117.96/28 | 16 | OPENACCESS-CUST-347 | unknown | — | — | — |
| └ 66.206.117.128/27 | 32 | OPENACCESS-CUST-321 | unknown | — | — | — |
| └ 66.206.117.160/27 | 32 | OPENACCESS-CUST-333 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 176 | 69% | 3 | |
| Business | 80 | 31% | 3 |
Network & registry
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
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2021
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | MAINT-AS27506 | Sep 3, 2025 |
Whois
Registration for this announcement
- Range
- 66.
206. 112. 0/ 20 - Netname
- ZAYO-CCF-66-206-112-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-206-112-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Mar 30, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 30, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN