Data as of Nov 9, 2026
154.21.214.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 154.21.0.0/16 since Sep 2018 | AS174 | Internet provider | 292 46 always on | 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 |
|---|---|---|---|---|---|---|
| 154.21.0.0/16 | 65,536 | COGENT-154-21-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.21.214.0/23 | 512 | NET-154-21-214-0-1 | Great King Electric Co, LTD. (C07507266) · GB | Reassigned | Feb 19, 2020 | abuse@ via COGENT-154-21-16 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.
21. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
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
- 1,623
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Sep 2021 · 5.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 154.
21. 214. 0/ 23 - Netname
- NET-154-21-214-0-1
- Registrant
- Great King Electric Co, LTD.
- Organization
- Great King Electric Co, LTD. (C07507266)
- Type
- Reassigned
- Handle
- NET-154-21-214-0-1
- Parent
- NET-154-21-0-0-1
- Created
- Feb 19, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN