Data as of Nov 6, 2026
129.121.55.0/24
No anonymizer space · no proxy exits in 30 daysOso Grande IP Services, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Jun 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 129.121.48.0/21 since Mar 2026 | AS31898 | Hosting | Oso Grande IP Services, LLC |
Network & registry
Origin network
AS26337
US
- Name
- Oso Grande IP Services, LLC
- Type
- Hosting
- Registered
- Oct 9, 2013
- Domain
- endurance.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2026
- Current origin since
- Jun 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 129.121.0.0/16 | AS19871 | /24 | ARIN | Another network |
| 129.121.0.0/16 | AS26337 | /24 | ARIN | RPKI valid |
| 129.121.0.0/16 | AS31898 | /24 | ARIN | Another network |
| 129.121.0.0/16 | AS46606 | /24 | ARIN | Another network |
| 129.121.0.0/16 | AS198949 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 129.
121. 0. 0/ 16 - Netname
- OGTIPS1-129-121
- Registrant
- Oso Grande IP Services, LLC
- Organization
- Oso Grande IP Services, LLC (OGISL)
- Org address
- C/O A Small Orange LLC, Burlington, MA, 01803
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-129-121-0-0-1
- Parent
- NET-129-0-0-0-0
- Created
- Mar 11, 1988
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 11, 1988
- Status
- assigned
Report abuse
Abuse contact
- IARPOC@
Newfold. com - Name
- Abuse
- Phone
- +1-877-659-6181
- Handle
- ABUSE3681-ARIN