Data as of Nov 3, 2026
72.14.157.0/24
Anonymizer · ISP proxyCogent Communications, LLC · space held by TFB Net
Operators, sellers and brokers
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.14.157.0/24
From the registry to its use
- Nov 10, 2004Registry recordTFB NetDirect Allocation72.14.128.0/19
- Jun 22, 2011– Jan 22, 2012
- Feb 1, 2012– Dec 17, 2022
- Dec 6, 2022– Dec 29, 2022
- Dec 30, 2022– Sep 7, 2023
- Sep 20, 2023– Oct 25, 2023
- Oct 2, 2023– Oct 25, 2023AnnouncedAS42055 Tamer Telekom Telekomunikasyon Bilgisayar, Elektronik, Yazilim, Donanim San. ve Tic. Ltd. Sti.
- Oct 26, 2023– Nov 12, 2024AnnouncedAS1239 Cogent Communications, LLC
- Sep 14, 2024– Sep 25, 2024
- Nov 13, 2024– Nov 2, 2026
- Jan 7, 2025ReallocatedInternet Utilities NA LLCReallocated72.14.157.0/24
- Jan 7, 2025Route objectIPXOARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-DCL-577
- Jan 7, 2025Route objectIPXOARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-DCL-577
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 72.14.128.0/19 | 8,192 | MYTHOSTECH-NET-01 | TFB Net (TFBNET) · US | Direct Allocation | Nov 10, 2004 | [email protected] |
| └ 72.14.157.0/24 | 256 | MYTHOSTECH-SUBNET-157-1 | IPXO LLC (IL-845) · US | Reallocated | Dec 7, 2022 | [email protected] |
| └ 72.14.157.0/24 | 256 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jan 7, 2025 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- TFB Net
- Handle
- TFBNET
- Range
- 72.14.128.0/19
- Registration type
- Direct Allocation
- Record created
- Nov 10, 2004
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 72.14.157.0/24
- Reallocated
- Jan 7, 2025
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
- 1,658
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2011
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 7
- Last change of origin
- Sep 2024
Recorded history
History
- Handoffs
- 7
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 72.14.157.0/24
- Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Org address
- 2711 Centerville Road, Wilmington, DE, 19808
- Org country
- US
- Type
- Reallocated
- Handle
- NET-72-14-157-0-2
- Parent
- NET-72-14-157-0-1
- Created
- Jan 7, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 10, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN