Data as of Nov 10, 2026
131.239.136.0/24
1 residential-proxy exit · 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- LemonBright
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 131.239.0.0/16 since Nov 2021 | AS46887 | Internet provider | 190 29 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@ |
| └ 131.239.136.8/29 | 8 | NET-CCF--0-131-239-136-8-29 | unknown | — | — | — |
| └ 131.239.136.16/29 | 8 | NET-CCF--0-131-239-136-16-29 | unknown | — | — | — |
| └ 131.239.136.32/29 | 8 | NET-131-239-136-32-29 | unknown | — | — | — |
| └ 131.239.136.64/30 | 4 | NET-CCF---131-239-136-64-30 | unknown | — | — | — |
| └ 131.239.136.68/30 | 4 | NET-CCF--0-131-239-136-68-30 | unknown | — | — | — |
| └ 131.239.136.72/29 | 8 | LTF-0-131-239-136-72-29 | unknown | — | — | — |
| └ 131.239.136.80/29 | 8 | LTF-0-131-239-136-80-29 | unknown | — | — | — |
| └ 131.239.136.92/30 | 4 | NET-CCF--0-131-239-136-92-30 | unknown | — | — | — |
| └ 131.239.136.96/28 | 16 | LTF-0-131-239-136-96-28 | unknown | — | — | — |
| └ 131.239.136.120/29 | 8 | NET-0-131-239-136-120-29 | unknown | — | — | — |
| └ 131.239.136.128/29 | 8 | NET-CCF--0-131-239-136-128-29 | unknown | — | — | — |
| └ 131.239.136.140/30 | 4 | NET-CCF---131-239-136-140-30 | unknown | — | — | — |
| └ 131.239.136.144/30 | 4 | NET-CCF--0-131-239-136-144-30 | unknown | — | — | — |
| └ 131.239.136.152/29 | 8 | NET-CCF--0-131-239-136-152-29 | unknown | — | — | — |
| └ 131.239.136.168/29 | 8 | LTF--131-239-136-168-29 | unknown | — | — | — |
| └ 131.239.136.176/29 | 8 | LTF-0-131-239-136-176-29 | unknown | — | — | — |
| └ 131.239.136.184/29 | 8 | LTF-0-131-239-136-184-29 | unknown | — | — | — |
| └ 131.239.136.196/30 | 4 | NET-CCF---131-239-136-196-30 | unknown | — | — | — |
| └ 131.239.136.200/29 | 8 | LTF--131-239-136-200-29 | unknown | — | — | — |
| └ 131.239.136.224/27 | 32 | LTF--131-239-136-224-27 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 131.239.136.0/21
- Prefix
- 131.239.136.0/21
- Announced by
- AS46887 Crown Castle Fiber LLC
- Type
- Internet provider
- Proxy exits
- 3
- 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
131.239.136.0/21
Routing history
- Pattern
- Stable
- First seen
- Nov 2021
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 1
IRR
Route objects on 131.239.136.0/21
| 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