Data as of Nov 11, 2026
192.157.151.0/24
No anonymizer space · no proxy exits in 30 daysBritish Telecommunications Limited · space held by INFONET Services Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
0 / 100 · Low
Recent change
New origin Nov 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 192.157.144.0/20 since Jun 2024 | AS3300 | Residential | INFONET Services Corporation |
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 |
|---|---|---|---|---|---|---|
| 192. | 8,192 | BT-IP-ICG-GIIB-BLK6 | INFONET Services Corporation (INFO) · US | Direct Allocation | Apr 17, 1992 | matthias. |
| └ 192. | 768 | INTERLEAF3 | INTERLEAF (C01080866) · JP | Reassigned | Feb 14, 1995 | matthias. via BT-IP-ICG-GIIB-BLK6 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- INFONET Services Corporation
- Handle
- INFO
- Range
- 192.
157. 130. 0 - 192. 157. 161. 255 - Registration type
- Direct Allocation
- Record created
- Apr 17, 1992
- Legacy
- yes
Origin network
AS49182
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Apr 23, 2009
- Domain
- bt.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 10, 2026
- Current origin since
- Nov 10, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 192.157.151.0/24 | AS49182 | /24 | ARIN | RPKI valid |
| 192.157.150.0/23 | AS49182 | /23 | ARIN | Too specific |
| 192.157.148.0/22 | AS49182 | /22 | ARIN | Too specific |
| 192.157.144.0/21 | AS49182 | /21 | ARIN | Too specific |
| 192.157.144.0/20 | AS3300 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS49182 | ARIN | INFONET Services Corporation | MNT-INFO | Oct 12, 2026 |
Whois
Registration for this announcement
- Range
- 192.
157. 150. 0 - 192. 157. 152. 255 - Netname
- INTERLEAF3
- Registrant
- INTERLEAF
- Organization
- INTERLEAF (C01080866)
- Type
- Reassigned
- Handle
- NET-192-157-150-0-1
- Parent
- NET-192-157-130-0-1
- Created
- Feb 14, 1995
- 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