Data as of Nov 6, 2026
154.51.48.0/20
4 residential-proxy exits · 30 daysCogent Communications, LLC
Residential-proxy exits
Proxy exits
4
0.10% of its addresses · 30 days
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
50 observations
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 | Holder | RPKI |
|---|---|---|---|---|
| 154.51.48.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.51.0/24 since May 2026 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.52.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.53.0/24 since May 2026 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.54.0/24 since May 2026 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.55.0/24 since May 2026 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.56.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.57.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.58.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.59.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.60.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.61.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.62.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC | |
| 154.51.63.0/24 since Aug 2025 | AS135377 | Hosting | Cogent Communications, LLC |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 3,584 | 88% | 14 | |
| Internet provider | 512 | 13% | 1 |
Network & registry
Announced by
Covering announcement 154.48.0.0/12
- Prefix
- 154.48.0.0/12
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 12,823
- Always-on exits
- 2,400
- 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 154.48.0.0/12
154.48.0.0/12
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on 154.48.0.0/12
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RADB | Cogent | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
154.48.0.0/12 spans several registrations: 241 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned