Data as of Nov 13, 2026
149.51.0.0/18
6,912 anonymizer addresses · 42%1 residential-proxy exit · 30 daysCogent Communications, LLC
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 64
/24s with at least one exit
Providers
19
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
122 observations
Proxy providers listing exits
- Ake.net
- BirdProxies
- ByteProxies
- Byteful
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- Infatica
- LemonPrime
- MangoProxy
- NodeProxy
- NovaProxy
- Proxy-Seller
- Proxyma
- QUANTICDATA
- RainProxy
- Shifter
- VitalExclusive
IPv4 market
Path
1 · Holder
4 · Use
Hosting
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 149.51.0.0/18 | /24s |
|---|---|---|
| Rackdog | 6,65641% | 26 |
Leased from
Owners leasing their own space
| Name | In 149.51.0.0/18 | /24s |
|---|---|---|
| Cogent Communications, LLC | 6,91242% | 27 |
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Anonymizer addresses | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|
| 149.51.0.0/21 since Jan 2025 | AS3320 | ISP proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.8.0/21 since Jan 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.8.0/23 since Sep 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.10.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.11.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.12.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.13.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.14.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.15.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.16.0/24 since Mar 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.17.0/24 since Mar 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.18.0/24 since May 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.19.0/24 since Sep 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.20.0/23 since Sep 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.21.0/24 since Mar 2026 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.22.0/24 since Sep 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.23.0/24 since Sep 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.32.0/24 since Mar 2023 | AS7029 | ISP proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.33.0/24 since Dec 2022 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.34.0/24 since Jan 2023 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.35.0/24 since Mar 2023 | AS7029 | ISP proxy | IP broker Rackdog | 1 | Cogent Communications, LLC | ||
| 149.51.36.0/24 since Oct 2022 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.37.0/24 since Nov 2022 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.38.0/24 since Nov 2022 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.39.0/24 since Nov 2022 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.40.0/24 since Oct 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.41.0/24 since Feb 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.42.0/23 since Feb 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.42.0/24 since Dec 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.43.0/24 since Mar 2026 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.44.0/23 since Feb 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.46.0/24 since Feb 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.47.0/24 since Feb 2025 | AS398465 | Hosting | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.48.0/20 since Nov 2025 | AS7029 | ISP proxy | 2,30456% | IP broker Rackdog | Cogent Communications, LLC | ||
| 149.51.48.0/24 since Mar 2025 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.49.0/24 since Mar 2025 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.50.0/24 since Mar 2025 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.51.0/24 since Mar 2025 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.52.0/24 since Sep 28, 2026 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.53.0/24 since Sep 28, 2026 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC | |||
| 149.51.54.0/24 since Sep 28, 2026 | AS398465 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 149.51.0.0/16 | 65,536 | COGENT-149-51-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 28, 1992 | abuse@ |
| └ 149.51.0.0/18 | 16,384 | RACKDOG-CGNT-NET-10 | RCN (C11605108) · US | Reassigned | May 27, 2026 | abuse@ via COGENT-149-51-16 |
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
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 7,424 | 45% | 27 | |
| ISP proxyanonymizer | 4,864 | 30% | 4 | |
| Datacenter proxyanonymizer | 2,048 | 13% | 8 | |
| Internet provider | 2,048 | 13% | 1 |
Network & registry
Announced by
Covering announcement 149.50.0.0/15
- Prefix
- 149.50.0.0/15
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- none
- Leased from
- IP broker Rackdog (part)
- Proxy exits
- 3,256
- Always-on exits
- 888
- RPKI
- No RPKI
- RIR
- ARIN
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 2,203
Routing timeline
Who has announced 149.50.0.0/15
149.50.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Sep 2006
- Current origin since
- Sep 2006 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
149.50.0.0/15 spans several registrations: 31 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned