Data as of Nov 9, 2026
187.79.249.0/24
Anonymizer · Datacenter proxyImcloud Technology Co., Ltd. · space held by Sky Digital Co., Ltd.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recent change
New origin Jul 2026
its first announcement on record
IPv4 market
Path
Announced by AS131151 since Jul 2026 · 4 mo ago
1 · Holder
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 187.79.249.0/24 | /24s |
|---|---|---|
| Sky Digital Co., Ltd. | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
187.79.249.0/24
From the registry to its use
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Holder | RPKI |
|---|---|---|---|---|---|
| 187.79.248.0/23 since Jul 2026 | AS131151 | Datacenter proxy | Sky Digital Co., Ltd. | ||
| 187.79.248.0/21 since May 2026 | AS131151 | Datacenter proxy | 1,53675% | Sky Digital Co., Ltd. |
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 |
|---|---|---|---|---|---|---|
| 187.79.248.0/21 | 2,048 | SDCL-TW-NET | Sky Digital Co., Ltd. | ALLOCATED PORTABLE | — | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Sky Digital Co., Ltd.
- Range
- 187.
79. 248. 0/ 21 - Registration type
- ALLOCATED PORTABLE
Origin network
AS131151
TW
- Name
- Imcloud Technology Co., Ltd.
- Type
- Hosting
- Registered
- Sep 11, 2008
- Domain
- imcloud.hk
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.79.248.0/21 | AS38042 | /24 | APNIC | Another network |
| 187.79.248.0/21 | AS131151 | /24 | APNIC | RPKI valid |
| 187.79.248.0/21 | AS134823 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 187.
79. 249. 0/ 24 - Netname
- TW-NAN
- Registrant country
- TW
- Organization
- Not stated by the registry
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Feb 20, 2025
- Status
- assigned
Report abuse
Abuse contact
- abuse@
telecom. tw - Name
- TWNIC ROLE-SDCL-TW
- Handle
- TR524-AP