Data as of Nov 14, 2026
223.255.243.0/24
No anonymizer space · no proxy exits in 30 daysFlat C · space held by Hong Kong Five Towns Development Co. Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 223.255.240.0/22 since Aug 2016 | AS55649 | Hosting | 1 | Hong Kong Five Towns Development Co. Ltd. |
Network & registry
Origin network
AS55649
HK
- Name
- Flat C
- Type
- Hosting
- Registered
- Aug 3, 2010
- Domain
- metronet.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 2011
- Current origin since
- May 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 223.255.240.0/22 | AS3491 | /24 | APNIC | Another network |
| 223.255.240.0/22 | AS9304 | /24 | APNIC | Another network |
| 223.255.240.0/22 | AS55649 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3491 not the origin | APNIC | Hong Kong Five Towns Development Co. Ltd. | MAINT-METRONET-HK | Nov 9, 2022 |
| AS9304 not the origin | APNIC | Hong Kong Five Towns Development Co. Ltd. | MAINT-METRONET-HK | May 7, 2024 |
| AS9304 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Sep 16, 2020 |
| AS9304 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| AS55649 | APNIC | Hong Kong Five Towns Development Co. Ltd. | MAINT-METRONET-HK | Nov 9, 2022 |
| AS55649 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| AS55649 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Jun 17, 2020 |
Whois
Registration for this announcement
- Range
- 223.
255. 240. 0/ 22 - Netname
- METRONET-HK
- Registrant
- Hong Kong Five Towns Development Co. Ltd.
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Aug 3, 2010
- Status
- assigned
Report abuse
Abuse contact
- support@
metronetchina. com - Name
- ABUSE METRONETHK
- Handle
- AM2545-AP