Data as of Nov 7, 2026
74.113.50.0/24
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 | Holder | RPKI |
|---|---|---|---|---|
| 74.113.50.0/23 since Sep 2021 | AS46887 | Internet provider | Zayo Bandwidth | |
| 74.113.48.0/21 since Dec 2018 | AS46887 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 74.113.48.0/21 | 2,048 | ZAYO-CCF-74-113-48-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Mar 22, 2011 | abuse@ |
| └ 74.113.50.0/24 | 256 | ALLISON-TRANSMISSION | Allison Transmission (C04612780) · US | Reassigned | Jun 18, 2013 | abuse@ via ZAYO-CCF-74-113-48-0 |
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
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 74.
113. 48. 0/ 21 - Registration type
- Direct Allocation
- Record created
- Mar 22, 2011
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
- Aug 2013
- Current origin since
- Feb 2021 · 5.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2021
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | Crown Castle Fiber LLC | MAINT-AS27506 | Sep 2, 2025 |
Whois
Registration for this announcement
- Range
- 74.
113. 50. 0/ 24 - Netname
- ALLISON-TRANSMISSION
- Registrant
- Allison Transmission
- Organization
- Allison Transmission (C04612780)
- Type
- Reassigned
- Handle
- NET-74-113-50-0-1
- Parent
- NET-74-113-48-0-1
- Created
- Jun 18, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 22, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN