Data as of Nov 8, 2026
145.43.251.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by LNRS Data Services 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 |
|---|---|---|---|---|---|---|
| 145.43.0.0/16 | 65,536 | LNRSG-DSG | LNRS Data Services Limited (ORG-LDSL2-RIPE) · GB | LEGACY | — | abuse@ |
| └ 145.43.248.0/22 | 1,024 | SUBNET-NPT | LNRS Data Services Limited (LexisNexis Risk Solutions, formerly Reed Business Information) | LEGACY | Jan 29, 2018 | abuse@ via LNRSG-DSG |
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
- LNRS Data Services Limited
- Handle
- ORG-LDSL2-RIPE
- Range
- 145.
43. 0. 0/ 16 - Registration type
- LEGACY
- Legacy
- yes
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2025
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 145.43.251.0/24 | AS3257 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3257 | RIPE | LNRS Data Services Limited (LexisNexis Risk Solutions Group, formerly Reed Business Information) | RBI-MNT | Jul 14, 2025 |
Whois
Registration for this announcement
- Range
- 145.
43. 248. 0/ 22 - Netname
- SUBNET-NPT
- Registrant
- LNRS Data Services Limited (LexisNexis Risk Solutions, formerly Reed Business Information)
- Registrant country
- GB
- Organization
- LNRS Data Services Limited (LexisNexis Risk Solutions, formerly Reed Business Information)
- Org country
- GB
- Type
- LEGACY
- Created
- Jan 29, 2018
- Updated
- Feb 6, 2026
- Maintainer
- rbi-mnt
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
lexisnexisrisk. com - Name
- Abuse-C Role
- Handle
- AR69274-RIPE