Data as of Nov 10, 2026
192.157.152.0/22
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by INFONET Services Corporation
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 192.157.155.0/24 since Nov 10, 2026 | AS212556 | Unknown |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 192. | 8,192 | BT-IP-ICG-GIIB-BLK6 | INFONET Services Corporation (INFO) · US | Direct Allocation | Apr 17, 1992 | matthias. |
| └ 192. | 768 | INTERLEAF3 | unknown | — | — | — |
| └ 192.157.153.0/24 | 256 | DLJ3 | unknown | — | — | — |
| └ 192. | 1,280 | INTERLEAF4 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 768 | 75% | 1 | |
| Unknown | 256 | 25% | 1 |
Network & registry
Announced by
Covering announcement 192.157.144.0/20
- Prefix
- 192.157.144.0/20
- Announced by
- AS3300 British Telecommunications Limited
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- BT-IP-ICG-GIIB-BLK6
- Registrant
- INFONET Services Corporation
- RIR
- ARIN
Origin network
AS3300
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Oct 28, 1994
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 192.157.144.0/20
192.157.144.0/20
Routing history
- Pattern
- Stable
- First seen
- Jun 2024
- Current origin since
- Jun 2024 · 2.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 192.157.144.0/20 | AS3300 | /24 | ARIN | RPKI valid |
IRR
Route objects on 192.157.144.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3300 | ARIN | BT | MNT-INFO | Aug 1, 2025 |
Whois
Registration for this announcement
- Range
- 192.
157. 130. 0 - 192. 157. 161. 255 - Netname
- BT-IP-ICG-GIIB-BLK6
- Registrant
- INFONET Services Corporation
- Organization
- INFONET Services Corporation (INFO)
- Org address
- 2160 East Grand Avenue, El Segundo, CA, 90245-1022
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-157-130-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Apr 17, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 17, 1992
- Status
- assigned
Report abuse
Abuse contact
- matthias.
blum@ bt. com - Name
- American Registry for IP Numbers -Point of Contact
- Phone
- +1-310-335-2600
- Handle
- AR2-ORG-ARIN