Data as of Nov 11, 2026
203.158.89.0/24
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by BT Global Communication India
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS3300 British Telecommunications Limited, after 16.6 years unannounced
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 |
|---|---|---|---|---|---|---|
| 203.158.64.0/19 | 8,192 | BTGC | BT Global Communication India (ORG-BGCI1-AP) · IN | ALLOCATED PORTABLE | — | ipaddman@ |
| └ 203.158.89.0/24 | 256 | BT-AS5400-CC61 | BT Global Fabric customers | ALLOCATED NON-PORTABLE | — | ipadmin@ |
Network & registry
Registry
Holder
- Organization
- BT Global Communication India
- Handle
- ORG-BGCI1-AP
- Range
- 203.
158. 64. 0/ 19 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- BT Global Fabric customers
- Reallocated range
- 203.
158. 89. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS5400
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Aug 15, 1995
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Sep 2007
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.158.89.0/24 | AS5400 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
158. 89. 0/ 24 - Netname
- BT-AS5400-CC61
- Registrant
- BT Global Fabric customers
- Registrant country
- AU
- Organization
- BT Global Fabric customers
- Org country
- AU
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 11, 2025
- Maintainer
- MAINT-GB-BTGFNAAS
- RIR
- APNIC
- Country
- IN
- Delegated
- Sep 15, 2005
- Status
- assigned
Report abuse
Abuse contact
- ipadmin@
bt. com - Name
- ABUSE INBTGF
- Handle
- AI1081-AP