Data as of Nov 9, 2026
66.253.100.0/24
No anonymizer space · no proxy exits in 30 daysTier.Net Technologies LLC · space held by GTT Americas, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS203094
IPv4 market
Path
Announced by AS397423 since Aug 2026 · 11 wk ago
1 · Holder
record created Nov 21, 2005 · reallocated to Internet Utilities NA LLC Jul 22, 2025
2 · Leased from
4 · Use
Hosting
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
66.253.100.0/24
From the registry to its use
- Nov 21, 2005Registry recordGTT Americas, LLCDirect Allocation66.253.0.0/17
- Jul 8, 2006– Jun 8, 2016
- Oct 15, 2011– Feb 22, 2024AnnouncedAS18566 GTT Americas, LLC
- Jun 15, 2016– May 15, 2022
- Apr 29, 2023– Nov 8, 2026
- Jul 22, 2025ReallocatedInternet Utilities NA LLCReallocated66.253.64.0/18
- May 19, 2026– Jun 23, 2026Announced
- Aug 23, 2026– Nov 8, 2026
- Sep 1, 2026Route objectAS397423 Tier.Net Technologies LLCRADB route object for AS397423 Tier.Net Technologies LLC, maintainer MAINT-AS397423
- Sep 1, 2026Route objectIPXOARIN route object for AS397423 Tier.Net Technologies LLC, maintainer MNT-DCL-577
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 66.253.0.0/17 since Apr 2023 | AS3257 | Internet provider | IP broker IPXO (part) | 317 29 always on | 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 |
|---|---|---|---|---|---|---|
| 66.253.0.0/17 | 32,768 | MEGAPATH-BLK-56 | GTT Americas, LLC (GAL-104) · US | Direct Allocation | Nov 21, 2005 | abuse@ |
| └ 66.253.64.0/18 | 16,384 | IPXO-GTT | IPXO LLC (IL-845) · US | Reallocated | Jul 18, 2025 | abuse@ |
| └ 66.253.64.0/18 | 16,384 | NETUTILS | Internet Utilities NA LLC (DCL-577) · US | Reallocated | Jul 22, 2025 | report@ |
| └ 66.253.96.0/20 | 4,096 | TURKNET-BROADBAND | Turknet Iletisim Hizmetleri A.S (C11319578) · US | Reassigned | Aug 17, 2025 | 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.
Network & registry
IPv4 market
Holder
- Organization
- GTT Americas, LLC
- Handle
- GAL-104
- Range
- 66.
253. 0. 0/ 17 - Registration type
- Direct Allocation
- Record created
- Nov 21, 2005
- Reallocated to
- Internet Utilities NA LLC (DCL-577)
- Reallocated range
- 66.
253. 64. 0/ 18 - Reallocated
- Jul 22, 2025
Origin network
AS397423
US
- Name
- Tier.Net Technologies LLC
- Type
- Hosting
- Registered
- Mar 26, 2019
- Domain
- tier.net
- Website
- www.tier.net
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 62
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2011
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 3
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 66.253.100.0/24 | AS397423 | /24 | ARIN | RPKI valid |
| 66.253.96.0/20 | AS834 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 66.
253. 64. 0/ 18 - Netname
- NETUTILS
- Registrant
- Internet Utilities NA LLC
- Organization
- Internet Utilities NA LLC (DCL-577)
- Type
- Reallocated
- Handle
- NET-66-253-64-0-2
- Parent
- NET-66-253-64-0-1
- Created
- Jul 22, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 21, 2005
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse
- Phone
- +1-650-934-1667
- Handle
- IUA-ARIN