Data as of Nov 5, 2026
72.244.48.0/20
2,048 anonymizer addresses · 50% · ISP proxyGTT Communications Inc. · space held by GTT Americas, LLC
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
Runs itSells it
Leased from
IP brokers
| Name | In 72.244.48.0/20 | /24s |
|---|---|---|
| IPXO | 1,79244% | 7 |
Leased from
Owners leasing their own space
| Name | In 72.244.48.0/20 | /24s |
|---|---|---|
| GTT Americas, LLC | 2,04850% | 8 |
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 72.244.48.0/24 since Oct 10, 2026 | AS219447 | Unknown | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.49.0/24 since Jun 2026 | AS6079 | ISP proxy | Proxy providersoperated by Sprioussold by Rayobyte | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.50.0/24 since Jun 2026 | AS6079 | ISP proxy | Proxy providerssold by Rayobyte | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.52.0/24 since Sep 28, 2026 | AS174 | ISP proxy | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.53.0/24 since Jun 2026 | AS6079 | ISP proxy | Proxy providerssold by Rayobyte | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.55.0/24 since Jun 2026 | AS6079 | ISP proxy | Proxy providerssold by Rayobyte | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.56.0/24 since Sep 28, 2026 | AS29802 | Hosting | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.57.0/24 since Sep 28, 2026 | AS6079 | ISP proxy | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.58.0/24 since Oct 10, 2026 | AS219105 | Unknown | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.59.0/24 since Jun 2026 | AS6079 | ISP proxy | Proxy providerssold by Rayobyte | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | |
| 72.244.60.0/24 since Sep 28, 2026 | AS215607 | Hosting | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.61.0/24 since Sep 28, 2026 | AS174 | ISP proxy | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.62.0/24 since Oct 22, 2026 | AS198584 | Hosting | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC | ||
| 72.244.63.0/24 since Oct 10, 2026 | AS29802 | Hosting | IP broker IPXO | GTT Americas, LLC via Internet Utilities NA LLC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.244.0.0/15 | 131,072 | MEGAPATH-BLK-63 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Mar 22, 2005 | abuse@ |
| └ 72.244.0.0/16 | 65,536 | IPXO-GTT | IPXO LLC (IL-845) · US | Reallocated | Jul 18, 2025 | abuse@ |
| └ 72.244.0.0/16 | 65,536 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jul 30, 2025 | report@ |
| └ 72.244.48.0/24 | 256 | NET-72-244-48-0-24 | unknown | Reassigned | Oct 15, 2026 | report@ via IPXO-GTT |
| └ 72.244.51.0/24 | 256 | NET-72-244-51-0-24 | unknown | — | — | — |
| └ 72.244.52.0/24 | 256 | NET-72-244-52-0-24 | unknown | Reassigned | Oct 1, 2026 | report@ via IPXO-GTT |
| └ 72.244.57.0/24 | 256 | NET-72-244-57-0-24 | unknown | Reassigned | Oct 2, 2026 | report@ via IPXO-GTT |
| └ 72.244.58.0/24 | 256 | NET-72-244-58-0-24 | unknown | Reassigned | Oct 11, 2026 | report@ via IPXO-GTT |
| └ 72.244.61.0/24 | 256 | NET-72-244-61-0-24 | unknown | Reassigned | Oct 1, 2026 | report@ via IPXO-GTT |
| └ 72.244.63.0/24 | 256 | NET-72-244-63-0-24 | unknown | Reassigned | Oct 14, 2026 | report@ via IPXO-GTT |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| ISP proxyanonymizer | 2,048 | 50% | 8 | |
| Hosting | 1,280 | 31% | 5 | |
| Internet provider | 512 | 13% | 2 | |
| Unknown | 256 | 6.3% | 1 |
Network & registry
Announced by
Covering announcement 72.244.0.0/15
- Prefix
- 72.244.0.0/15
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Anonymizer addresses
- none
- Leased from
- IP broker IPXO (part)
- Proxy exits
- 430
- Always-on exits
- 68
- RPKI
- No RPKI
- Netname
- MEGAPATH-BLK-63
- Registrant
- GTT Americas, LLC
- RIR
- ARIN
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Who has announced 72.244.0.0/15
72.244.0.0/15
Routing history
- Pattern
- Rotating
- First seen
- Sep 2005
- Current origin since
- Apr 2023 · 3.5 yr
- Origin networks
- 2
- Last change of origin
- Apr 2023
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 72.
244. 0. 0/ 15 - Netname
- MEGAPATH-BLK-63
- Registrant
- GTT Americas, LLC
- Organization
- GTT Americas, LLC (GAL-104)
- Org address
- 4201 Wilson Blvd -Suite 504, Arlington, VA, 22203
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-244-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Mar 22, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 22, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- GTT Abuse Department
- Phone
- +1-703-442-5500
- Handle
- GAD46-ARIN