Data as of Nov 3, 2026
104.129.78.0/23
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 |
|---|---|---|---|---|---|
| 104.129.64.0/19 since Jun 2014 | AS46887 | Internet provider | 5 | Zayo Bandwidth |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 104.129.78.0/24 since Aug 2017 | AS46887 | Unknown | Zayo Bandwidth | |
| 104.129.79.0/24 since Sep 2016 | AS46887 | Unknown | 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 |
|---|---|---|---|---|---|---|
| 104.129.64.0/19 | 8,192 | ZAYO-CCF-104-129-64-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Jun 3, 2014 | [email protected] |
| └ 104.129.78.0/24 | 256 | NET-104-129-78-0-24 | netBlazr (C05197540) · US | Reassigned | Jul 30, 2014 | [email protected] via ZAYO-CCF-104-129-64-0 |
| └ 104.129.79.0/24 | 256 | NET-104-129-79-0-24 | Emmi Solutions (C05195036) · US | Reassigned | Jul 29, 2014 | [email protected] via ZAYO-CCF-104-129-64-0 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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
- Sep 2021
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | Crown Castle Fiber LLC | MAINT-AS27506 | May 23, 2025 |
Whois
Registration for this announcement
- Range
- 104.129.64.0/19
- Netname
- ZAYO-CCF-104-129-64-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-104-129-64-0-1
- Parent
- NET-104-0-0-0-0
- Created
- Jun 3, 2014
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 3, 2014
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN