Data as of Nov 3, 2026
154.18.68.0/24
No anonymizer space · no proxy exits in 30 daysTransaction Network Services · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.18.0.0/15 since Oct 2008 | AS174 | Internet provider | 870 166 always on |
Network & registry
Origin network
AS137937
US
- Name
- Transaction Network Services
- Type
- Education
- Registered
- Mar 8, 2021
- Domain
- tnsi.com
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2021
- Current origin since
- Apr 2021 · 5.5 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS137937 | RADB | Route Registered for Cogent Communications Customer Transaction Network Services | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.18.0.0/16
- Netname
- COGENT-154-18-16
- 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-154-18-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN