Data as of Nov 6, 2026
103.11.237.0/24
No anonymizer space · no proxy exits in 30 daysFlag Telecom UK Limited · space held by Diamond Systems, Inc.
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 |
|---|---|---|---|---|---|---|
| 103.11.236.0/22 | 1,024 | DIAMOND-SYSTEMS-JP | Diamond Systems, Inc. (ORG-DSI1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.11.237.0/24 | 256 | APNSYS | APNSYS | ASSIGNED NON-PORTABLE | — | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Diamond Systems, Inc.
- Handle
- ORG-DSI1-AP
- Range
- 103.
11. 236. 0/ 22 - Registration type
- ALLOCATED PORTABLE
Origin network
AS15412
GB
- Name
- Flag Telecom UK Limited
- Type
- Internet provider
- Registered
- Jun 22, 2000
- Domain
- flagtel.com
- Website
- flagtel.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2013
- Current origin since
- Sep 2022 · 4.2 yr
- Origin networks
- 3
- Last change of origin
- Sep 2022
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.11.237.0/24 | AS15412 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 103.
11. 237. 0/ 24 - Netname
- APNSYS
- Registrant
- APNSYS
- Registrant country
- HK
- Organization
- APNSYS
- Org country
- HK
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- May 26, 2021
- Maintainer
- MAINT-DIAMOND-SYSTEMS-JP
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 3, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
d-systems. biz - Name
- ABUSE DIAMONDSYSTEMSJP
- Handle
- AD654-AP