Data as of Nov 6, 2026
149.51.104.0/21
AnonymizerCogent Communications, LLC
IPv4 market
Path
1 · Holder
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 149.51.104.0/21 | /24s |
|---|---|---|---|
| Novada | 1,02450% | 4 |
Leased from
Owners leasing their own space
| Name | In 149.51.104.0/21 | /24s |
|---|---|---|
| Cogent Communications, LLC | 1,53675% | 6 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 149.51.104.0/24 since Dec 2025 | AS202736 | Datacenter proxy | IP broker Rackdog | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | ||
| 149.51.105.0/24 since Dec 2025 | AS202736 | Datacenter proxy | Proxy providerssold by Novada | IP broker Rackdog | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | |
| 149.51.106.0/24 since Nov 6, 2026 | AS174 | ISP proxy | IP broker Rackdog | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | ||
| 149.51.107.0/24 since Nov 6, 2026 | AS174 | ISP proxy | Proxy providerssold by Novada | IP broker Rackdog | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | |
| 149.51.108.0/24 since Dec 2025 | AS202736 | Datacenter proxy | Proxy providerssold by Novada | IP broker Rackdog | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | |
| 149.51.109.0/24 since Dec 2025 | AS202736 | Datacenter proxy | Proxy providerssold by Novada | IP broker Rackdog | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd | |
| 149.51.110.0/23 since Sep 28, 2026 | AS63450 | ISP proxy | Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd |
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@ |
| └ 149.51.64.0/18 | 16,384 | WISDOM-CLOUD-CGNT-NET-12 | Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SG | Reallocated | Dec 29, 2025 | abuse@ |
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 | |
|---|---|---|---|---|
| Datacenter proxyanonymizer | 1,024 | 50% | 4 | |
| ISP proxyanonymizer | 1,024 | 50% | 3 |
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
- 3,359
- Always-on exits
- 946
- 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
- 1,658
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: 30 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned