Data as of Nov 8, 2026
64.81.173.0/24
Anonymizer · ISP proxyKorea Telecom · space held by GTT Americas, LLC
IPv4 market
Path
1 · Holder
record created Apr 28, 2000 · reallocated to Internet Utilities NA LLC Jul 22, 2025
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 64.81.173.0/24 | /24s |
|---|---|---|---|
| FlashProxy | 256100% | 1 |
Leased from
IP brokers
| Name | In 64.81.173.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 64.81.173.0/24 | /24s |
|---|---|---|
| GTT Americas, LLC | 256100% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 64.81.0.0/16 since Apr 2023 | AS3257 | Internet provider | IP broker IPXO (part) | 288 71 always on | GTT Americas, 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 |
|---|---|---|---|---|---|---|
| 64.81.0.0/16 | 65,536 | MEGAPATH-BLK-50 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Apr 28, 2000 | abuse@ |
| └ 64.81.160.0/19 | 8,192 | IPXO-GTT | IPXO LLC (IL-845) · US | Reallocated | Jul 18, 2025 | abuse@ |
| └ 64.81.160.0/19 | 8,192 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jul 22, 2025 | report@ |
Network & registry
Announced by
Covering announcement 64.81.172.0/23
- Prefix
- 64.81.172.0/23
- Announced by
- AS4766 Korea Telecom
- Type
- ISP proxy
- Anonymizer addresses
- all
- Operator
- Proxy providerssold by FlashProxy
- Leased from
- IP broker IPXO
- RPKI
- RPKI valid
- Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- RIR
- ARIN
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 64.
81. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Apr 28, 2000
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 64.
81. 160. 0/ 19 - Reallocated
- Jul 22, 2025
Origin network
AS4766
KR
- Name
- Korea Telecom
- Type
- Internet provider
- Registered
- Apr 22, 1996
- Domain
- kt.com
- Website
- www.kt.com/eng/main.jsp
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1
Routing timeline
Covering aggregate above, the prefix's own history below
64.81.172.0/23
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 64.81.172.0/23 | AS4766 | /24 | ARIN | RPKI valid |
| 64.81.172.0/23 | AS6079 | /24 | ARIN | Another network |
| 64.81.172.0/23 | AS16589 | /24 | ARIN | Another network |
| 64.81.172.0/23 | AS399955 | /24 | ARIN | Another network |
IRR
Route objects on 64.81.172.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4766 | RADB | autogen | MAINT-AS834 | Aug 21, 2025 |
| AS4766 | ARIN | Used by EndUser | MNT-DCL-577 | Aug 21, 2025 |
| AS6079 not the origin | RADB | autogen | MAINT-AS834 | Apr 24, 2026 |
| AS6079 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Apr 24, 2026 |
| AS16589 not the origin | RADB | autogen | MAINT-AS834 | Aug 28, 2025 |
| AS16589 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Aug 28, 2025 |
| AS399955 not the origin | RADB | autogen | MAINT-AS834 | Apr 30, 2026 |
| AS399955 not the origin | ARIN | Used by EndUser | MNT-DCL-577 | Apr 30, 2026 |
Whois
Registration for this announcement
- Range
- 64.
81. 160. 0/ 19 - 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-64-81-160-0-2
- Parent
- NET-64-81-160-0-1
- Created
- Jul 22, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 28, 2000
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN