Data as of Nov 3, 2026
72.13.241.0/24
Anonymizer · ISP proxyNTT America, Inc. · space held by GTT Americas, LLC
IPv4 market
Path
1 · Holder
record created Nov 16, 2004 · reallocated to Arisk Communications inc. Apr 30, 2025
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 72.13.241.0/24 | /24s |
|---|---|---|
| ARISK | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 72.13.241.0/24 | /24s |
|---|---|---|
| GTT Americas, LLC | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.13.241.0/24
From the registry to its use
- Nov 16, 2004Registry recordGTT Americas, LLCDirect Allocation72.13.224.0/19
- May 9, 2005– Aug 1, 2005
- Aug 8, 2005– Nov 27, 2019
- Nov 16, 2019– Nov 2, 2026
- Apr 30, 2025ReallocatedArisk Communications inc.Reallocated72.13.241.0/24
- Apr 30, 2025– May 11, 2025
- May 12, 2025– Jul 10, 2025
- May 13, 2025Route objectAS174 Cogent Communications, LLCARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-GAL-104
- May 13, 2025Route objectAS395793 Arisk Communications inc.ARIN route object for AS395793 Arisk Communications inc., maintainer MNT-GAL-104
- Jun 29, 2025– Mar 7, 2026
- Jun 30, 2025Route objectAS9304 HGC Global Communications LimitedARIN route object for AS9304 HGC Global Communications Limited, maintainer MNT-GAL-104
- Feb 24, 2026Route objectAS2914 NTT America, Inc.ARIN route object for AS2914 NTT America, Inc., maintainer MNT-GAL-104
- Feb 24, 2026– Nov 2, 2026
- todayLeased fromARISKIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.13.224.0/19 since Nov 2019 | AS3257 | Internet provider | 3 | GTT Americas, 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 |
|---|---|---|---|---|---|---|
| 72.13.224.0/19 | 8,192 | TRANSBEAM | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Nov 16, 2004 | [email protected] |
| └ 72.13.241.0/24 | 256 | GTT-ARISK-NET | Arisk Communications inc. (AC-5396) · US | Reallocated | Apr 30, 2025 | [email protected] |
| └ 72.13.241.0/24 | 256 | GTT | unknown | Reassigned | Jan 12, 2026 | [email protected] via GTT-ARISK-NET |
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
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 72.13.224.0/19
- Registration type
- Direct Allocation
- Record created
- Nov 16, 2004
- Reallocated to
- Arisk Communications inc. (AC-5396)
- Reallocated range
- 72.13.241.0/24
- Reallocated
- Apr 30, 2025
Origin network
AS2914
US
- Name
- NTT America, Inc.
- Type
- Internet provider
- Registered
- Dec 7, 1998
- Domain
- ntt.net
- Website
- www.gin.ntt.net/
- 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
- Apr 2025
- Current origin since
- Feb 2026 · 8 mo
- Origin networks
- 4
- Last change of origin
- Feb 2026
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 72.13.241.0/24
- Netname
- GTT
- Organization
- Not stated by the registry
- Type
- Reassigned
- Handle
- NET-72-13-241-0-2
- Parent
- NET-72-13-241-0-1
- Created
- Jan 12, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 16, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Wilson
- Phone
- +1-518-512-9230
- Handle
- WILSO1903-ARIN