Data as of Nov 6, 2026
151.181.162.0/23
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 |
|---|---|---|---|---|---|
| 151.181.160.0/20 since Dec 2018 | AS46887 | Internet provider | 21 7 always on | 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 |
|---|---|---|---|---|---|---|
| 151.181.160.0/20 | 4,096 | ZAYO-CCF-151-181-160-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Dec 20, 2013 | abuse@ |
| └ 151.181.162.0/29 | 8 | NET-CCF---151-181-162-0-29 | unknown | — | — | — |
| └ 151.181.162.8/29 | 8 | NET-CCF---151-181-162-8-29 | unknown | — | — | — |
| └ 151.181.162.16/29 | 8 | NET-CCF--151-181-162-16-29 | unknown | — | — | — |
| └ 151.181.162.24/29 | 8 | NET-CCF--151-181-162-24-29 | unknown | — | — | — |
| └ 151.181.162.32/29 | 8 | NET-CCF--0-151-181-162-32-29 | unknown | — | — | — |
| └ 151.181.162.48/29 | 8 | NET-CCF---151-181-162-48-29 | unknown | — | — | — |
| └ 151.181.162.56/29 | 8 | NET-CCF--151-181-162-56-29 | unknown | — | — | — |
| └ 151.181.162.64/28 | 16 | NET-CCF--0-151-181-162-64-28 | unknown | — | — | — |
| └ 151.181.162.92/30 | 4 | NET-Z-CCF--151-181-162-92-30 | unknown | — | — | — |
| └ 151.181.162.96/29 | 8 | NET-CCF---151-181-162-96-29 | unknown | — | — | — |
| └ 151.181.162.112/29 | 8 | NET-CCF---151-181-162-112-29 | unknown | — | — | — |
| └ 151.181.162.120/29 | 8 | NET-CCF---151-181-162-120-29 | unknown | — | — | — |
| └ 151.181.162.132/30 | 4 | NET-CCF---151-181-162-132-30 | unknown | — | — | — |
| └ 151.181.162.136/29 | 8 | NET-CCF--0-151-181-162-136-29 | unknown | — | — | — |
| └ 151.181.162.152/29 | 8 | NET-CCF--0-151-181-162-152-29 | unknown | — | — | — |
| └ 151.181.162.168/29 | 8 | NET-CCF--0-151-181-162-168-29 | unknown | — | — | — |
| └ 151.181.162.176/29 | 8 | NET-CCF-0-151-181-162-176-29 | unknown | — | — | — |
| └ 151.181.162.192/29 | 8 | NET-CCF---151-181-162-192-29 | unknown | — | — | — |
| └ 151.181.162.216/29 | 8 | NET-CCF--0-151-181-162-216-29 | unknown | — | — | — |
| └ 151.181.162.224/29 | 8 | NET-CCF--0-151-181-162-224-29 | unknown | — | — | — |
| └ 151.181.162.232/29 | 8 | NET-Z-CCF--151-181-162-232-29 | unknown | — | — | — |
| └ 151.181.162.240/29 | 8 | NET-CCF--0-151-181-162-240-29 | unknown | — | — | — |
| └ 151.181.162.248/29 | 8 | NET-Z-CCF-0-151-181-162-248-29 | unknown | — | — | — |
| └ 151.181.163.0/29 | 8 | NET-CCF--RAILS-TO-TRAILS-CONS-151-181-163-0-29 | unknown | — | — | — |
| └ 151.181.163.8/30 | 4 | NET-CCF--0-151-181-163-8-30 | unknown | — | — | — |
| └ 151.181.163.12/30 | 4 | NET-CCF---151-181-163-12-30 | unknown | — | — | — |
| └ 151.181.163.16/29 | 8 | NET-CCF--0-151-181-163-16-29 | unknown | — | — | — |
| └ 151.181.163.24/29 | 8 | NET-CCF--0-151-181-163-24-29 | unknown | — | — | — |
| └ 151.181.163.32/29 | 8 | NET-CCF---151-181-163-32-29 | unknown | — | — | — |
| └ 151.181.163.40/30 | 4 | NET-CCF---151-181-163-40-30 | unknown | — | — | — |
| └ 151.181.163.48/28 | 16 | NET-CCF--0-151-181-163-48-28 | unknown | — | — | — |
| └ 151.181.163.64/30 | 4 | NET-CCF--0-151-181-163-64-30 | unknown | — | — | — |
| └ 151.181.163.68/30 | 4 | NET-CCF--0-151-181-163-68-30 | unknown | — | — | — |
| └ 151.181.163.72/29 | 8 | NET-CCF--IVINS-PHILLIPS-AND-B-151-181-163-72-29 | unknown | — | — | — |
| └ 151.181.163.80/30 | 4 | NET-CCF---151-181-163-80-30 | unknown | — | — | — |
| └ 151.181.163.84/30 | 4 | NET-CCF---151-181-163-84-30 | unknown | — | — | — |
| └ 151.181.163.88/29 | 8 | NET-CCF--SD-50061-151-181-163-88-29 | unknown | — | — | — |
| └ 151.181.163.96/29 | 8 | NET-CCF---151-181-163-96-29 | unknown | — | — | — |
| └ 151.181.163.104/29 | 8 | NET-CCF---151-181-163-104-29 | unknown | — | — | — |
| └ 151.181.163.112/28 | 16 | NET-CCF---151-181-163-112-28 | unknown | — | — | — |
| └ 151.181.163.128/29 | 8 | NET-CCF---151-181-163-128-29 | unknown | — | — | — |
| └ 151.181.163.136/29 | 8 | NET-CCF---151-181-163-136-29 | unknown | — | — | — |
| └ 151.181.163.144/28 | 16 | NET-CCF--151-181-163-144-28 | unknown | — | — | — |
| └ 151.181.163.160/29 | 8 | NET-CCF---151-181-163-160-29 | unknown | — | — | — |
| └ 151.181.163.168/29 | 8 | NET-CCF---151-181-163-168-29 | unknown | — | — | — |
| └ 151.181.163.176/29 | 8 | NET-CCF---151-181-163-176-29 | unknown | — | — | — |
| └ 151.181.163.184/29 | 8 | NET-CCF--0-151-181-163-184-29 | unknown | — | — | — |
| └ 151.181.163.192/28 | 16 | NET-CCF---151-181-163-192-28 | unknown | — | — | — |
| └ 151.181.163.208/29 | 8 | NET-CCF---151-181-163-208-29 | unknown | — | — | — |
| └ 151.181.163.216/29 | 8 | NET-CCF--151-181-163-216-29 | unknown | — | — | — |
| └ 151.181.163.224/27 | 32 | NET-CCF--0-151-181-163-224-27 | unknown | — | — | — |
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
- Mar 2023
- Current origin since
- Mar 2023 · 3.6 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
- 151.
181. 160. 0/ 20 - Netname
- ZAYO-CCF-151-181-160-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-151-181-160-0-1
- Parent
- NET-151-0-0-0-0
- Created
- Dec 20, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 20, 2013
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN