Data as of Nov 3, 2026
154.56.248.0/24
No anonymizer space · no proxy exits in 30 daysSDC Hosting and Support Ltd · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,738 2,387 always on |
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 |
|---|---|---|---|---|---|---|
| 154.56.0.0/16 | 65,536 | COGENT-154-56-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | [email protected] |
| └ 154.56.248.0/22 | 1,024 | SDC-CGNT-NET-1 | SDC Hosting and Support Ltd (C10039343) · GB | Reassigned | Aug 24, 2023 | [email protected] via COGENT-154-56-16 |
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
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.56.0.0/16
- Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
Origin network
AS208636
GB
- Name
- SDC Hosting and Support Ltd
- Type
- Hosting
- Registered
- Jul 1, 2019
- Domain
- sdchostingandsupport.co.uk
- Website
- www.sdchostingandsupport.co.uk
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2024
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 154.56.248.0/22 | AS208636 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 154.56.248.0/22
- Netname
- SDC-CGNT-NET-1
- Registrant
- SDC Hosting and Support Ltd
- Organization
- SDC Hosting and Support Ltd (C10039343)
- Type
- Reassigned
- Handle
- NET-154-56-248-0-1
- Parent
- NET-154-56-0-0-1
- Created
- Aug 24, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN