Data as of Nov 13, 2026
207.43.0.0/18
4,096 anonymizer addresses · 25% · ISP proxyCogent Communications, LLC
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 207.43.0.0/18 | /24s |
|---|---|---|---|
| Bright Data | 4,09625% | 16 |
Leased from
Owners leasing their own space
| Name | In 207.43.0.0/18 | /24s |
|---|---|---|
| Cogent Communications, LLC | 4,09625% | 16 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 207.43.0.0/20 since Dec 2025 | AS4637 | ISP proxy | Proxy providersoperated by Bright Data | 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 |
|---|---|---|---|---|---|---|
| 207.40.0.0/14 | 262,144 | COGENT-207-40-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jan 24, 1996 | abuse@ |
| └ 207.43.0.0/18 | 16,384 | RACKDOG-CGNT-NET-53 | RCN (C11605259) · US | Reassigned | May 27, 2026 | abuse@ via COGENT-207-40-0 |
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 | |
|---|---|---|---|---|
| Internet provider | 12,288 | 75% | 1 | |
| ISP proxyanonymizer | 4,096 | 25% | 1 |
Network & registry
Announced by
Covering announcement 207.40.0.0/14
- Prefix
- 207.40.0.0/14
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Anonymizer addresses
- none
- Leased from
- IP broker Rackdog (part)
- Proxy exits
- 42
- RPKI
- No RPKI
- Netname
- COGENT-207-40-0
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
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
- 2,094
Routing timeline
Who has announced 207.40.0.0/14
207.40.0.0/14
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- May 2024 · 2.5 yr
- Origin networks
- 2
- Last change of origin
- May 2024
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 207.
40. 0. 0/ 14 - Netname
- COGENT-207-40-0
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-207-40-0-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Jan 24, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 24, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN