Data as of Nov 9, 2026
139.28.100.0/24
No anonymizer space · no proxy exits in 30 daysCSL (DualCom) Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 139.28.100.0/22 since May 2019 | AS205394 | Mobile | CSL (DualCom) Limited |
Network & registry
Origin network
AS205394
GB
- Name
- CSL (DualCom) Limited
- Type
- Internet provider
- Registered
- Sep 6, 2017
- Domain
- csl-group.com
- Website
- www.csl-group.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2019
- Current origin since
- May 2019 · 7.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 139.28.100.0/24 | AS205394 | /24 | RIPE | RPKI valid |
| 139.28.100.0/22 | AS205394 | /22 | RIPE | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS205394 | RIPE | MNT-UK-WEBWAYONE-1 UK-CSLDUALCOM-1-MNT | May 10, 2019 |
Whois
Registration for this announcement
- Range
- 139.
28. 100. 0/ 22 - Netname
- UK-CSLDUALCOM-20190102
- Registrant
- CSL (DualCom) Limited
- Registrant country
- GB
- Organization
- CSL (DualCom) Limited (ORG-CL404-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Feb 27, 2024
- Updated
- Feb 27, 2024
- Maintainer
- uk-csldualcom-1-mnt
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Jan 2, 2019
- Status
- assigned
Report abuse
Abuse contact
- ithelpdesk@
csldual. com - Name
- Abuse-C Role
- Handle
- AR40119-RIPE