Data as of Nov 4, 2026
207.153.64.0/18
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 207.153.110.0/24 since Jul 2026 | AS262706 | Hosting | Cogent Communications, LLC | |
| 207.153.122.0/24 since Oct 22, 2026 | AS174 | Internet provider | Cogent Communications, LLC |
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 |
|---|---|---|---|---|---|---|
| 207.153.64.0/18 | 16,384 | COGENT-207-153-18 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Jun 20, 1996 | abuse@ |
| └ 207.153.110.0/24 | 256 | COGC-207-153-110-0-1 | Braslink (C01184081) · US | Reassigned | Sep 27, 2005 | abuse@ via COGENT-207-153-18 |
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 | 16,128 | 98% | 4 | |
| Hosting | 256 | 1.6% | 1 |
Network & 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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 207.153.107.0/24 | AS22241 | RADB | AS22241 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
| 207.153.108.0/24 | AS22241 | RADB | AS22241 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
| 207.153.112.0/24 | AS22241 | RADB | AS22241 proxy-registered route by Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 207.
153. 64. 0/ 18 - Netname
- COGENT-207-153-18
- 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-207-153-64-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Jun 20, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 20, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN