Data as of Nov 10, 2026
131.239.136.0/21
3 residential-proxy exits · 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Residential-proxy exits
Proxy exits
3
0.15% of its addresses · 30 days
Spread
3 of 8
/24s with at least one exit
Providers
8
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
21 observations
- Residential
- Internet provider
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 131.239.136.0/24 | 0 | 1 | |
| 131.239.139.0/24 | 0 | 1 | |
| 131.239.142.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- B2Proxy
- ColaProxy
- FastProxy
- IPPeak
- LemonBright
- LudaxProxy
- RainProxy
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 |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 131.239.139.0/24 since Feb 2023 | AS46887 | Business | 1 | 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 |
|---|---|---|---|---|---|---|
| 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 | — | — | — |
| └ 131.239.137.0/26 | 64 | LTF--131-239-137-0-26 | unknown | — | — | — |
| └ 131.239.137.72/30 | 4 | NET-CCF---131-239-137-72-30 | unknown | — | — | — |
| └ 131.239.137.76/30 | 4 | NET-CCF--0-131-239-137-76-30 | unknown | — | — | — |
| └ 131.239.137.80/29 | 8 | NET-CCF---131-239-137-80-29 | unknown | — | — | — |
| └ 131.239.137.88/29 | 8 | LTF--131-239-137-88-29 | unknown | — | — | — |
| └ 131.239.137.96/29 | 8 | LTF-0-131-239-137-96-29 | unknown | — | — | — |
| └ 131.239.137.112/28 | 16 | LTF--131-239-137-112-28 | unknown | — | — | — |
| └ 131.239.137.136/29 | 8 | LTF--131-239-137-136-29 | unknown | — | — | — |
| └ 131.239.137.152/29 | 8 | LTF-0-131-239-137-152-29 | unknown | — | — | — |
| └ 131.239.137.160/29 | 8 | LTF--131-239-137-160-29 | unknown | — | — | — |
| └ 131.239.137.168/29 | 8 | LTF--131-239-137-168-29 | unknown | — | — | — |
| └ 131.239.137.176/29 | 8 | LTF--131-239-137-176-29 | unknown | — | — | — |
| └ 131.239.137.192/29 | 8 | LTF-0-131-239-137-192-29 | unknown | — | — | — |
| └ 131.239.137.200/29 | 8 | LTF--131-239-137-200-29 | unknown | — | — | — |
| └ 131.239.137.208/30 | 4 | NET-CCF--0-131-239-137-208-30 | unknown | — | — | — |
| └ 131.239.137.216/29 | 8 | LTF--131-239-137-216-29 | unknown | — | — | — |
| └ 131.239.137.224/29 | 8 | LTF--131-239-137-224-29 | unknown | — | — | — |
| └ 131.239.137.232/30 | 4 | NET-0-131-239-137-232-30 | unknown | — | — | — |
| └ 131.239.137.240/28 | 16 | LTF-0-131-239-137-240-28 | unknown | — | — | — |
| └ 131.239.138.0/29 | 8 | LTF--131-239-138-0-29 | unknown | — | — | — |
| └ 131.239.138.8/29 | 8 | NET-CCF-0-131-239-138-8-29 | unknown | — | — | — |
| └ 131.239.138.16/29 | 8 | NET-CCF--131-239-138-16-29 | unknown | — | — | — |
| └ 131.239.138.24/30 | 4 | NET-CCF---131-239-138-24-30 | unknown | — | — | — |
| └ 131.239.138.32/30 | 4 | NET-CCF---131-239-138-32-30 | unknown | — | — | — |
| └ 131.239.138.36/30 | 4 | NET-CCF--0-131-239-138-36-30 | unknown | — | — | — |
| └ 131.239.138.40/29 | 8 | NET-CCF---131-239-138-40-29 | unknown | — | — | — |
| └ 131.239.138.48/30 | 4 | NET-CCF--0-131-239-138-48-30 | unknown | — | — | — |
| └ 131.239.138.56/29 | 8 | NET-CCF--0-131-239-138-56-29 | unknown | — | — | — |
| └ 131.239.138.68/30 | 4 | NET-CCF--131-239-138-68-30 | unknown | — | — | — |
| └ 131.239.138.72/29 | 8 | LTF--131-239-138-72-29 | unknown | — | — | — |
| └ 131.239.138.80/29 | 8 | NET-CCF--0-131-239-138-80-29 | unknown | — | — | — |
| └ 131.239.138.88/29 | 8 | NET-CCF--0-131-239-138-88-29 | unknown | — | — | — |
| └ 131.239.138.96/28 | 16 | NET-CCF--0-131-239-138-96-28 | unknown | — | — | — |
| └ 131.239.138.120/29 | 8 | LTF--131-239-138-120-29 | unknown | — | — | — |
| └ 131.239.138.128/26 | 64 | LTF--131-239-138-128-26 | unknown | — | — | — |
| └ 131.239.138.200/29 | 8 | LTF--131-239-138-200-29 | unknown | — | — | — |
| └ 131.239.138.208/29 | 8 | NET-131-239-138-208-29 | unknown | — | — | — |
| └ 131.239.138.224/29 | 8 | LTF--131-239-138-224-29 | unknown | — | — | — |
| └ 131.239.138.232/29 | 8 | NET-CCF--0-131-239-138-232-29 | unknown | — | — | — |
| └ 131.239.138.240/29 | 8 | LTF--131-239-138-240-29 | unknown | — | — | — |
| └ 131.239.138.248/29 | 8 | LTF--131-239-138-248-29 | unknown | — | — | — |
| └ 131.239.139.0/24 | 256 | NET-131-239-139-0-24 | Evergreen School District (C08188622) · US | Reassigned | Feb 8, 2022 | abuse@ via ZAYO-CCF-131-239-0-0 |
| └ 131.239.140.0/30 | 4 | NET-CCF--0-131-239-140-0-30 | unknown | — | — | — |
| └ 131.239.140.8/29 | 8 | NET-CCF--LT-614-131-239-140-8-29 | unknown | — | — | — |
| └ 131.239.140.16/29 | 8 | NET-0-131-239-140-16-29 | unknown | — | — | — |
| └ 131.239.140.24/29 | 8 | NET-0-131-239-140-24-29 | unknown | — | — | — |
| └ 131.239.140.32/29 | 8 | NET-CCF--0-131-239-140-32-29 | unknown | — | — | — |
| └ 131.239.140.40/30 | 4 | NET-CCF---131-239-140-40-30 | unknown | — | — | — |
| └ 131.239.140.44/30 | 4 | NET-CCF---131-239-140-44-30 | unknown | — | — | — |
| └ 131.239.140.48/29 | 8 | LTF--131-239-140-48-29 | unknown | — | — | — |
| └ 131.239.140.64/28 | 16 | LTF--131-239-140-64-28 | unknown | — | — | — |
| └ 131.239.140.88/29 | 8 | LTF--131-239-140-88-29 | unknown | — | — | — |
| └ 131.239.140.96/28 | 16 | LTF-0-131-239-140-96-28 | unknown | — | — | — |
| └ 131.239.140.116/30 | 4 | NET-Z-CCF--131-239-140-116-30 | unknown | — | — | — |
| └ 131.239.140.128/29 | 8 | LTF--131-239-140-128-29 | unknown | — | — | — |
| └ 131.239.140.140/30 | 4 | NET-CCF--0-131-239-140-140-30 | unknown | — | — | — |
| └ 131.239.140.152/29 | 8 | NET-CCF---131-239-140-152-29 | unknown | — | — | — |
| └ 131.239.140.160/27 | 32 | LTF--131-239-140-160-27 | unknown | — | — | — |
| └ 131.239.140.192/27 | 32 | LTF--131-239-140-192-27 | unknown | — | — | — |
| └ 131.239.140.224/27 | 32 | LTF--131-239-140-224-27 | unknown | — | — | — |
| └ 131.239.141.0/30 | 4 | NET-CCF---131-239-141-0-30 | unknown | — | — | — |
| └ 131.239.141.8/29 | 8 | LTF--131-239-141-8-29 | unknown | — | — | — |
| └ 131.239.141.16/29 | 8 | LTF--131-239-141-16-29 | unknown | — | — | — |
| └ 131.239.141.24/29 | 8 | LTF--131-239-141-24-29 | unknown | — | — | — |
| └ 131.239.141.40/29 | 8 | LTF--131-239-141-40-29 | unknown | — | — | — |
| └ 131.239.141.48/29 | 8 | LTF--131-239-141-48-29 | unknown | — | — | — |
| └ 131.239.141.64/29 | 8 | LTF-0-131-239-141-64-29 | unknown | — | — | — |
| └ 131.239.141.76/30 | 4 | NET-CCF-0-131-239-141-76-30 | unknown | — | — | — |
| └ 131.239.141.80/28 | 16 | LTF-0-131-239-141-80-28 | unknown | — | — | — |
| └ 131.239.141.96/29 | 8 | LTF--131-239-141-96-29 | unknown | — | — | — |
| └ 131.239.141.104/29 | 8 | NET-CCF---131-239-141-104-29 | unknown | — | — | — |
| └ 131.239.141.112/29 | 8 | LTF--131-239-141-112-29 | unknown | — | — | — |
| └ 131.239.141.128/26 | 64 | LTF-0-131-239-141-128-26 | unknown | — | — | — |
| └ 131.239.141.192/29 | 8 | NET-0-131-239-141-192-29 | unknown | — | — | — |
| └ 131.239.141.200/29 | 8 | NET-0-131-239-141-200-29 | unknown | — | — | — |
| └ 131.239.141.208/29 | 8 | LTF--131-239-141-208-29 | unknown | — | — | — |
| └ 131.239.141.216/29 | 8 | LTF--131-239-141-216-29 | unknown | — | — | — |
| └ 131.239.141.224/29 | 8 | LTF--131-239-141-224-29 | unknown | — | — | — |
| └ 131.239.141.232/29 | 8 | LTF--131-239-141-232-29 | unknown | — | — | — |
| └ 131.239.141.240/29 | 8 | LTF-0-131-239-141-240-29 | unknown | — | — | — |
| └ 131.239.142.0/29 | 8 | LTF--131-239-142-0-29 | unknown | — | — | — |
| └ 131.239.142.8/29 | 8 | LTF--131-239-142-8-29 | unknown | — | — | — |
| └ 131.239.142.16/29 | 8 | LTF--131-239-142-16-29 | unknown | — | — | — |
| └ 131.239.142.28/30 | 4 | NET-CCF---131-239-142-28-30 | unknown | — | — | — |
| └ 131.239.142.32/29 | 8 | LTF--131-239-142-32-29 | unknown | — | — | — |
| └ 131.239.142.48/28 | 16 | LTF--131-239-142-48-28 | unknown | — | — | — |
| └ 131.239.142.72/29 | 8 | LTF-0-131-239-142-72-29 | unknown | — | — | — |
| └ 131.239.142.80/29 | 8 | LTF--131-239-142-80-29 | unknown | — | — | — |
| └ 131.239.142.88/29 | 8 | LTF--131-239-142-88-29 | unknown | — | — | — |
| └ 131.239.142.104/29 | 8 | LTF--131-239-142-104-29 | unknown | — | — | — |
| └ 131.239.142.112/30 | 4 | NET-CCF--131-239-142-112-30 | unknown | — | — | — |
| └ 131.239.142.116/30 | 4 | NET-CCF--0-131-239-142-116-30 | unknown | — | — | — |
| └ 131.239.142.120/29 | 8 | LTF--131-239-142-120-29 | unknown | — | — | — |
| └ 131.239.142.132/30 | 4 | NET-CCF--0-131-239-142-132-30 | unknown | — | — | — |
| └ 131.239.142.136/29 | 8 | LTF--131-239-142-136-29 | unknown | — | — | — |
| └ 131.239.142.144/29 | 8 | LTF--131-239-142-144-29 | unknown | — | — | — |
| └ 131.239.142.152/29 | 8 | NET-CCF--0-131-239-142-152-29 | unknown | — | — | — |
| └ 131.239.142.160/27 | 32 | LTF-0-131-239-142-160-27 | unknown | — | — | — |
| └ 131.239.142.192/26 | 64 | LTF--131-239-142-192-26 | unknown | — | — | — |
| └ 131.239.143.0/30 | 4 | NET-CCF--131-239-143-0-30 | unknown | — | — | — |
| └ 131.239.143.4/30 | 4 | NET-CCF--131-239-143-4-30 | unknown | — | — | — |
| └ 131.239.143.8/29 | 8 | NET-CCF--131-239-143-8-29 | unknown | — | — | — |
| └ 131.239.143.16/29 | 8 | NET-CCF-0-131-239-143-16-29 | unknown | — | — | — |
| └ 131.239.143.32/29 | 8 | LTF--131-239-143-32-29 | unknown | — | — | — |
| └ 131.239.143.44/30 | 4 | NET-CCF-0-131-239-143-44-30 | unknown | — | — | — |
| └ 131.239.143.48/28 | 16 | LTF--131-239-143-48-28 | unknown | — | — | — |
| └ 131.239.143.64/30 | 4 | NET-CCF--0-131-239-143-64-30 | unknown | — | — | — |
| └ 131.239.143.80/28 | 16 | NET-CCF-131-239-143-80-28 | unknown | — | — | — |
| └ 131.239.143.96/29 | 8 | LTF--131-239-143-96-29 | unknown | — | — | — |
| └ 131.239.143.104/29 | 8 | NET-Z-CCF--131-239-143-104-29 | unknown | — | — | — |
| └ 131.239.143.120/29 | 8 | NET-CCF---131-239-143-120-29 | unknown | — | — | — |
| └ 131.239.143.128/30 | 4 | NET-CCF--0-131-239-143-128-30 | unknown | — | — | — |
| └ 131.239.143.136/29 | 8 | NET-CCF--131-239-143-136-29 | unknown | — | — | — |
| └ 131.239.143.144/29 | 8 | LTF--131-239-143-144-29 | unknown | — | — | — |
| └ 131.239.143.160/29 | 8 | LTF--131-239-143-160-29 | unknown | — | — | — |
| └ 131.239.143.168/29 | 8 | NET-CCF--131-239-143-168-29 | unknown | — | — | — |
| └ 131.239.143.184/29 | 8 | LTF--131-239-143-184-29 | unknown | — | — | — |
| └ 131.239.143.192/30 | 4 | NET-CCF--0-131-239-143-192-30 | unknown | — | — | — |
| └ 131.239.143.196/30 | 4 | NET-Z-CCF--131-239-143-196-30 | unknown | — | — | — |
| └ 131.239.143.200/29 | 8 | NET-Z-CCF--131-239-143-200-29 | unknown | — | — | — |
| └ 131.239.143.208/29 | 8 | LTF-0-131-239-143-208-29 | unknown | — | — | — |
| └ 131.239.143.216/30 | 4 | NET-CCF--0-131-239-143-216-30 | unknown | — | — | — |
| └ 131.239.143.220/30 | 4 | NET-CCF--131-239-143-220-30 | unknown | — | — | — |
| └ 131.239.143.228/30 | 4 | NET-CCF---131-239-143-228-30 | unknown | — | — | — |
| └ 131.239.143.232/29 | 8 | LTF--131-239-143-232-29 | unknown | — | — | — |
| └ 131.239.143.240/29 | 8 | LTF--131-239-143-240-29 | unknown | — | — | — |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,792 | 88% | 7 | |
| Internet provider | 256 | 13% | 1 |
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
- Nov 2021
- Current origin since
- Nov 2021 · 5.0 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
- 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