Data as of Nov 3, 2026
172.121.77.0/24
Anonymizer · Datacenter proxyIT Hostline Ltd · space held by EGIHosting
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
95 / 100 · Critical
Spamhaus DROP · Recently moved
Recent change
New origin May 2026
from AS214238 Host Telecom Ltd
IPv4 market
Path
Announced by AS44559 since May 2026 · 6 mo ago
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 172.121.77.0/24 | /24s |
|---|---|---|---|
| ProxyLine | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 172.121.77.0/24 | /24s |
|---|---|---|
| EGIHosting | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
172.121.77.0/24
From the registry to its use
- Jun 23, 2015Registry recordEGIHostingDirect Allocation172.120.0.0/15
- Jan 27, 2020– Feb 7, 2020
- Aug 1, 2021– Aug 24, 2021
- Sep 13, 2022– Sep 24, 2022
- Oct 14, 2023– May 23, 2025
- May 24, 2025– May 18, 2026
- May 19, 2026– today
- May 24, 2026Route objectAS44559 IT Hostline LtdRADB route object for AS44559 IT Hostline Ltd, maintainer MAINT-AS18779
- Jun 5, 2026Route objectAS44559 IT Hostline LtdARIN route object for AS44559 IT Hostline Ltd, maintainer MNT-EGNL-1
- Jun 6, 2026AssignedIwihost NetReassigned172.121.77.0/24
- todayLeased fromEGIHostingLessor
- todayUsedProxyLineProxy seller
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 |
|---|---|---|---|---|---|---|
| 172.120.0.0/15 | 131,072 | EGN-23 | EGIHosting (EGNL-1) · US | Direct Allocation | Jun 23, 2015 | [email protected] |
| └ 172.121.77.0/24 | 256 | 172-121-77-0-1 | Iwihost Net (HTL-117) · GB | Reassigned | Jun 6, 2026 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- EGIHosting
- Handle
- EGNL-1
- Range
- 172.120.0.0/15
- Registration type
- Direct Allocation
- Record created
- Jun 23, 2015
Origin network
AS44559
CY
- Name
- IT Hostline Ltd
- Type
- Hosting
- Registered
- Nov 29, 2023
- Domain
- ithostline.com
- Spamhaus ASN-DROP
- listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2020
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 4
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 172.121.77.0/24 | AS44559 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 172.121.77.0/24
- Netname
- 172-121-77-0-1
- Registrant
- Iwihost Net
- Organization
- Iwihost Net (HTL-117)
- Org address
- 71-75, Shelton Street, Covent Garden,, London, WC2H 9JQ
- Org country
- GB
- Type
- Reassigned
- Handle
- NET-172-121-77-0-1
- Parent
- NET-172-120-0-0-1
- Created
- Jun 6, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 23, 2015
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +442080403398
- Handle
- ABUSE9136-ARIN