Data as of Nov 7, 2026
190.4.88.0/21
No anonymizer space · no proxy exits in 30 daysT-Four Services S.A
Announcements
Nesting
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Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 190.4.88.0/24 since Mar 2011 | AS16973 | Hosting | |
| 190.4.89.0/24 since Jan 2013 | AS16973 | Hosting | |
| 190.4.90.0/24 since Jan 2013 | AS16973 | Hosting | |
| 190.4.91.0/24 since Jan 2013 | AS16973 | Hosting | |
| 190.4.92.0/24 since Jan 2013 | AS16973 | Hosting | |
| 190.4.93.0/24 since Jan 2013 | AS16973 | Hosting | |
| 190.4.94.0/24 since Jan 2013 | AS16973 | Hosting | |
| 190.4.95.0/24 since Sep 2012 | AS16973 | Hosting |
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 |
|---|---|---|---|---|---|---|
| 190.4.88.0/21 | 2,048 | — | T-Four Services S.A (CR-CHSA-LACNIC) | allocated | Jan 27, 2011 | amurillo@ |
| └ 190.4.88.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.89.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.90.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.91.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.92.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.93.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.94.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
| └ 190.4.95.0/24 | 256 | — | TAG Systems (CR-CRCH-LACNIC) | reallocated | Mar 17, 2011 | amurillo@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS16973
CR
- Name
- T-Four Services S.A
- Type
- Hosting
- Registered
- Jul 7, 2000
- Domain
- tagsystems.com
- Website
- www.tagsystems.com/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2011
- Current origin since
- Mar 2011 · 16 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 190.
4. 88. 0/ 21 - Netname
- CR-CHSA-LACNIC
- Registrant
- T-Four Services S.A
- Registrant country
- CR
- Organization
- Not stated by the registry
- Type
- allocated
- Created
- Jan 27, 2011
- RIR
- LACNIC
- Country
- CR
- Delegated
- Jan 27, 2011
- Status
- assigned
Report abuse
Abuse contact
- amurillo@
tagsystems. com - Name
- Adrian Murillo
- Phone
- +506 46008240 [104]
- Handle
- IDS8