Data as of Nov 3, 2026
149.85.6.0/24
No anonymizer space · no proxy exits in 30 daysA.R.T. Advisors, LLC · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 149.85.0.0/16 since Oct 2020 | AS174 | Internet provider | Cogent Communications, LLC |
Network & registry
Origin network
AS19580
US
- Name
- A.R.T. Advisors, LLC
- Type
- Business
- Registered
- May 21, 2014
- Industry
- Law, Business, and Consulting Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2023
- Current origin since
- Oct 2023 · 3.0 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 149.85.0.0/16
- Netname
- COGENT-149-85-16
- 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-149-85-0-0-1
- Parent
- NET-149-0-0-0-0
- Created
- Jan 28, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 28, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN