Data as of Nov 9, 2026
88.81.160.0/19
5,120 anonymizer addresses · 63% · ISP proxyGTT Communications Inc. · space held by GTT Communications Italy S.R.L.
IPv4 market
Path
2 · Leased from
not leased
4 · Use
ISP proxy
anonymizer space, operator not named
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
88.81.160.0/19
From the registry to its use
- Dec 13, 2005Registry recordGTT Communications Italy S.R.L.ALLOCATED PA88.81.160.0/19
- Dec 22, 2005– Jan 27, 2022AnnouncedAS4589 GTT Communications (AS4589)
- Jan 16, 2022– today
- Feb 1, 2022Route objectAS3257 GTT Communications Inc.RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
- Nov 27, 2024Route objectAS2914 NTT America, Inc.RIPE route object for AS2914 NTT America, Inc., maintainer AS3257-ROUTE-MNT88.81.168.0/22
- Nov 27, 2024Route objectAS2914 NTT America, Inc.RIPE route object for AS2914 NTT America, Inc., maintainer AS3257-ROUTE-MNT88.81.172.0/22
- Nov 27, 2024Route objectAS2914 NTT America, Inc.RIPE route object for AS2914 NTT America, Inc., maintainer AS3257-ROUTE-MNT88.81.176.0/22
- Nov 27, 2024Route objectAS2914 NTT America, Inc.RIPE route object for AS2914 NTT America, Inc., maintainer AS3257-ROUTE-MNT88.81.180.0/22
- Nov 27, 2024Route objectAS2914 NTT America, Inc.RIPE route object for AS2914 NTT America, Inc., maintainer AS3257-ROUTE-MNT88.81.184.0/22
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 |
|---|---|---|---|---|---|---|
| 88.81.160.0/19 | 8,192 | IT-EASYNET-20051213 | GTT Communications Italy S.R.L. (ORG-IIS3-RIPE) · IT | ALLOCATED PA | Dec 13, 2005 | abuse@ |
| └ 88.81.168.0/22 | 1,024 | BITE-GTT | BITE | ASSIGNED PA | Nov 27, 2024 | abuseip@ |
| └ 88.81.172.0/22 | 1,024 | BITE-GTT | BITE | ASSIGNED PA | Nov 27, 2024 | abuseip@ |
| └ 88.81.176.0/22 | 1,024 | BITE-GTT | BITE | ASSIGNED PA | Nov 27, 2024 | abuseip@ |
| └ 88.81.180.0/22 | 1,024 | BITE-GTT | BITE | ASSIGNED PA | Nov 27, 2024 | abuseip@ |
| └ 88.81.184.0/22 | 1,024 | BITE-GTT | BITE | ASSIGNED PA | Nov 27, 2024 | abuseip@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| ISP proxyanonymizer | 5,120 | 63% | 5 | |
| Internet provider | 3,072 | 38% | 2 |
Network & registry
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
- 239
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2005
- Current origin since
- Jan 2022 · 4.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 88.81.160.0/19 | AS3257 | /19 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3257 | RIPE | GTT | AS3257-ROUTE-MNT | Feb 1, 2022 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 88.81.168.0/22 | AS2914 | RIPE | BITE-HRS | AS3257-ROUTE-MNT | Nov 27, 2024 |
| 88.81.172.0/22 | AS2914 | RIPE | BITE-HRS | AS3257-ROUTE-MNT | Nov 27, 2024 |
| 88.81.176.0/22 | AS2914 | RIPE | BITE-HRS | AS3257-ROUTE-MNT | Nov 27, 2024 |
| 88.81.180.0/22 | AS2914 | RIPE | BITE-HRS | AS3257-ROUTE-MNT | Nov 27, 2024 |
| 88.81.184.0/22 | AS2914 | RIPE | BITE-HRS | AS3257-ROUTE-MNT | Nov 27, 2024 |
Whois
Registration for this announcement
- Range
- 88.
81. 160. 0/ 19 - Netname
- IT-EASYNET-20051213
- Registrant
- GTT Communications Italy S.R.L.
- Registrant country
- IT
- Organization
- GTT Communications Italy S.R.L. (ORG-IIS3-RIPE)
- Org country
- IT
- Type
- ALLOCATED PA
- Created
- Dec 13, 2005
- Updated
- Jan 7, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- IT
- Delegated
- Dec 13, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR15759-RIPE