Data as of Nov 8, 2026
131.239.39.0/24
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 |
|---|---|---|---|---|---|
| 131.239.0.0/16 since Nov 2021 | AS46887 | Internet provider | 190 28 always on | Zayo Bandwidth |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 131.239.0.0/16 | 65,536 | ZAYO-CCF-131-239-0-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 6, 1989 | abuse@ |
| └ 131.239.39.12/30 | 4 | NET-CCF--0-131-239-39-12-30 | unknown | — | — | — |
| └ 131.239.39.16/29 | 8 | NET-CCF--0-131-239-39-16-29 | unknown | — | — | — |
| └ 131.239.39.24/29 | 8 | NET-CCF---131-239-39-24-29 | unknown | — | — | — |
| └ 131.239.39.32/28 | 16 | NET-CCF--0-131-239-39-32-28 | unknown | — | — | — |
| └ 131.239.39.48/29 | 8 | NET-CCF--0-131-239-39-48-29 | unknown | — | — | — |
| └ 131.239.39.56/29 | 8 | NET-CCF---131-239-39-56-29 | unknown | — | — | — |
| └ 131.239.39.64/26 | 64 | NET-CCF--0-131-239-39-64-26 | unknown | — | — | — |
| └ 131.239.39.128/29 | 8 | NET-CCF---131-239-39-128-29 | unknown | — | — | — |
| └ 131.239.39.136/30 | 4 | NET-CCF--0-131-239-39-136-30 | unknown | — | — | — |
| └ 131.239.39.144/28 | 16 | NET-CCF--0-131-239-39-144-28 | unknown | — | — | — |
| └ 131.239.39.160/28 | 16 | NET-CCF--0-131-239-39-160-28 | unknown | — | — | — |
| └ 131.239.39.176/29 | 8 | NET-Z-CCF--131-239-39-176-29 | unknown | — | — | — |
| └ 131.239.39.184/30 | 4 | NET-CCF--131-239-39-184-30 | unknown | — | — | — |
| └ 131.239.39.188/30 | 4 | NET-Z-CCF--131-239-39-188-30 | unknown | — | — | — |
| └ 131.239.39.192/28 | 16 | NET-CCF--0-131-239-39-192-28 | unknown | — | — | — |
| └ 131.239.39.216/29 | 8 | NET-CCF--0-131-239-39-216-29 | unknown | — | — | — |
| └ 131.239.39.224/29 | 8 | NET-CCF---131-239-39-224-29 | unknown | — | — | — |
| └ 131.239.39.232/29 | 8 | NET-CCF---131-239-39-232-29 | unknown | — | — | — |
| └ 131.239.39.240/30 | 4 | NET-CCF---131-239-39-240-30 | unknown | — | — | — |
| └ 131.239.39.244/30 | 4 | NET-CCF---131-239-39-244-30 | unknown | — | — | — |
| └ 131.239.39.248/29 | 8 | NET-CCF---131-239-39-248-29 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 131.239.36.0/22
- Prefix
- 131.239.36.0/22
- Announced by
- AS46887 Crown Castle Fiber LLC
- Type
- Internet provider
- Proxy exits
- 1
- RPKI
- No RPKI
- Netname
- ZAYO-CCF-131-239-0-0
- Registrant
- Zayo Bandwidth
- RIR
- ARIN
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
131.239.36.0/22
Routing history
- Pattern
- Stable
- First seen
- Aug 2022
- Current origin since
- Aug 2022 · 4.3 yr
- Origin networks
- 1
IRR
Route objects on 131.239.36.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | Crown Castle Fiber LLC | MAINT-AS27506 | May 23, 2025 |
Whois
Registration for this announcement
- Range
- 131.
239. 0. 0/ 16 - Netname
- ZAYO-CCF-131-239-0-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-131-239-0-0-1
- Parent
- NET-131-0-0-0-0
- Created
- Feb 6, 1989
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 6, 1989
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN