Data as of Nov 7, 2026
154.21.16.0/22
Anonymizer · ISP proxyFrontier Communications of America, Inc. · space held by Cogent Communications, LLC
IPv4 market
Path
1 · Holder
record created Feb 5, 1992 · reallocated to Server Destroyers LLC Mar 22, 2022
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 154.21.16.0/22 | /24s |
|---|---|---|
| Cogent Communications, LLC | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
154.21.16.0/22
From the registry to its use
- Feb 5, 1992Registry recordCogent Communications, LLCDirect Allocation (legacy, pre-1997)154.21.0.0/16
- Sep 10, 2018– today
- Oct 4, 2018– Sep 4, 2019AnnouncedAS61440 Internet Utilities LATAM Ltd.
- Aug 24, 2019– Oct 23, 2021
- Mar 22, 2022ReallocatedServer Destroyers LLCReallocated154.21.16.0/22
- Mar 22, 2022Route objectAS5650 Frontier Communications of America, Inc.RADB route object for AS5650 Frontier Communications of America, Inc., maintainer MAINT-ADMIN-AS398373
- Mar 29, 2022– today
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|
| 154.21.0.0/16 since Sep 2018 | AS174 | Internet provider | 1,2802.0%ISP proxy, VPN | Proxy providersoperated by High ProxiesVPN servicesoperated by TorGuard | 286 45 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@ |
| └ 154.21.16.0/22 | 1,024 | NET-154-21-16-0 | Server Destroyers LLC (SDL-157) · US | Reallocated | Mar 22, 2022 | serverdestroyers@ |
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
- Reallocated to
- Server Destroyers LLC (SDL-157)
- Reallocated range
- 154.
21. 16. 0/ 22 - Reallocated
- Mar 22, 2022
Origin network
AS5650
US
- Name
- Frontier Communications of America, Inc.
- Type
- Internet provider
- Registered
- Jul 25, 1995
- Domain
- verizonbusiness.com
- Website
- www.frontier.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2018
- Current origin since
- Mar 2022 · 4.6 yr
- Origin networks
- 3
- Last change of origin
- Mar 2022
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5650 | RADB | Prefix | MAINT-ADMIN-AS398373 | Oct 23, 2024 |
Whois
Registration for this announcement
- Range
- 154.
21. 16. 0/ 22 - Netname
- NET-154-21-16-0
- Registrant
- Server Destroyers LLC
- Organization
- Server Destroyers LLC (SDL-157)
- Org address
- 30 N Gould St Ste R, Sheridan, WY, 82801
- Org country
- US
- Type
- Reallocated
- Handle
- NET-154-21-16-0-1
- Parent
- NET-154-21-0-0-1
- Created
- Mar 22, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- serverdestroyers@
gmail. com - Name
- Jonathan Thomas Cho
- Phone
- +1-347-575-9113
- Handle
- JTC25-ARIN