Data as of Nov 8, 2026
103.207.156.0/23
No anonymizer space · no proxy exits in 30 daysGTT Communications Netherlands B.V. · space held by GTT Communications HK Limited
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 |
|---|---|---|---|---|---|---|
| 103.207.156.0/23 | 512 | GTT-HK | GTT Communications HK Limited (ORG-THKL1-AP) · HK | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.207.156.0/30 | 4 | SimCorp-NETS | Simcorp A/S | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 103.207.156.4/30 | 4 | MIKRON-NETS | Mikron Management AG | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.156.16/28 | 16 | MIKRON-NETS | Mikron Management AG | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 103.207.156.64/27 | 32 | GRUNDFOS-NETS | GRU01/IPAC/324790 | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 103.207.156.96/28 | 16 | GTT-VOICE | GTT | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 103.207.156.128/25 | 128 | SIN-001-VDC-IPAC | SIN-001 VDC Ipac | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.32/27 | 32 | GUNNEBO-NETS | Gunnebo AB | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.65/32 | 1 | INTERMEDIATE-CAPITAL-GROUP-PLC-NETS | Intermediate Capital Group | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.66/31 | 2 | INTERMEDIATE-CAPITAL-GROUP-PLC-NETS | Intermediate Capital Group | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.68/31 | 2 | INTERMEDIATE-CAPITAL-GROUP-PLC-NETS | Intermediate Capital Group | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.70/32 | 1 | INTERMEDIATE-CAPITAL-GROUP-PLC-NETS | Intermediate Capital Group | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.88/30 | 4 | INTERMEDIATE-CAPITAL-GROUP-NETS | Intermediate Capital Group PLC | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.92/31 | 2 | INTERMEDIATE-CAPITAL-GROUP-NETS | Intermediate Capital Group PLC | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.94/32 | 1 | INTERMEDIATE-CAPITAL-GROUP-NETS | Intermediate Capital Group PLC | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.104/30 | 4 | BIBBY-FINANCIAL-SERVICES-NETS | Bibby Financial Services | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.108/31 | 2 | BIBBY-FINANCIAL-SERVICES-NETS | Bibby Financial Services | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.110/32 | 1 | BIBBY-FINANCIAL-SERVICES-NETS | Bibby Financial Services | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.207.157.112/29 | 8 | MSCI-BARRA-NETS | MSCI Barra (Suisse) Sarl | ALLOCATED NON-PORTABLE | — | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 268 | 52% | 9 | |
| Business | 244 | 48% | 17 |
Network & registry
Origin network
AS5580
NL
- Name
- GTT Communications Netherlands B.V.
- Type
- Internet provider
- Registered
- Apr 8, 2009
- Domain
- gtt.net
- Website
- www.gtt.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2016
- Current origin since
- Apr 2019 · 7.6 yr
- Origin networks
- 2
- Last change of origin
- Apr 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.207.156.0/23 | AS5580 | /23 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 103.
207. 156. 0/ 23 - Netname
- GTT-HK
- Registrant
- GTT Communications HK Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 11, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Jan 28, 2016
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- ABUSE GTTAP
- Handle
- AG890-AP