Data as of Nov 14, 2026
87.86.190.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by GTT - EMEA Ltd.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market
Path
2 · Leased from
4 · Use
Unknown
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
87.86.190.0/24
From the registry to its use
- Jan 9, 2012AssignedCSL GroupASSIGNED PA87.86.190.0/24
- Sep 17, 2019– today
- Jan 3, 2020– Apr 7, 2020AnnouncedAS4589 GTT Communications (AS4589)
- May 26, 2020– Jun 6, 2020AnnouncedAS4589 GTT Communications (AS4589)
- Apr 27, 2021– Jun 1, 2021AnnouncedAS4589 GTT Communications (AS4589)
- Jul 20, 2021– Jul 31, 2021AnnouncedAS4589 GTT Communications (AS4589)
- Nov 17, 2021– Nov 28, 2021AnnouncedAS4589 GTT Communications (AS4589)
- Jan 28, 2022– Feb 8, 2022AnnouncedAS4589 GTT Communications (AS4589)
- Jun 21, 2022– Jul 2, 2022AnnouncedAS4589 GTT Communications (AS4589)
- Jan 7, 2026– today
- Mar 2, 2026Registry recordGTT - EMEA Ltd.ALLOCATED PA87.82.0.0 - 87.86.255.255
- Apr 29, 2026ReallocatedGTT - EMEA Ltd.SUB-ALLOCATED PA87.86.188.0/22
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 87.86.0.0/16 since Jan 2026 | AS3257 | Internet provider | IP broker IPXO (part) | 54 12 always on | GTT - EMEA Ltd. | |
| 87.84.0.0/14 since Oct 2022 | AS3257 | Internet provider | 89 12 always on |
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 |
|---|---|---|---|---|---|---|
| 87. | 327,680 | UK-EASYNET-20050509 | GTT - EMEA Ltd. (ORG-EA49-RIPE) · GB | ALLOCATED PA | Mar 2, 2026 | abuse@ |
| └ 87.86.188.0/22 | 1,024 | IPXO-GTT | GTT - EMEA Ltd. (ORG-EA49-RIPE) · GB | SUB-ALLOCATED PA | Apr 29, 2026 | report@ |
| └ 87.86.190.0/24 | 256 | CSL-GROUP-GTT | CSL Group | ASSIGNED PA | Jan 9, 2012 | report@ via IPXO-GTT |
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
IPv4 market
Holder
- Organization
- GTT - EMEA Ltd.
- Handle
- ORG-EA49-RIPE
- Range
- 87.
82. 0. 0 - 87. 86. 255. 255 - Registration type
- ALLOCATED PA
- Record created
- Mar 2, 2026
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
- 363
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2019
- Current origin since
- Sep 2019 · 7.2 yr
- Origin networks
- 2
- Last change of origin
- Jan 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 87.86.190.0/24 | AS3257 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 87.
86. 190. 0/ 24 - Netname
- CSL-GROUP-GTT
- Registrant
- CSL Group
- Registrant country
- GB
- Organization
- CSL Group
- Org country
- GB
- Type
- ASSIGNED PA
- Created
- Jan 9, 2012
- Updated
- Dec 9, 2025
- Maintainer
- EASYNET-UK-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- May 9, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR17615-RIPE