Data as of Nov 5, 2026
149.5.73.0/24
No anonymizer space · no proxy exits in 30 daysOptiver US LLC · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 149.5.0.0/16 since Sep 2006 | AS174 | Internet provider | 327 51 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS19860
US
- Name
- Optiver US LLC
- Type
- Business
- Registered
- Apr 23, 2010
- Domain
- optiver.com
- Industry
- Investment, Portfolio Management, Pensions and Funds
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2021
- Current origin since
- Feb 2021 · 5.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS19860 | RADB | Route Registered for Cogent Communications Customer Optiver UK Ltd. | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 149.
5. 0. 0/ 16 - Netname
- COGENT-149-5-16
- 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-149-5-0-0-1
- 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
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN