Data as of Nov 11, 2026
37.77.63.0/24
No anonymizer space · no proxy exits in 30 daysStackster LLC · space held by S.J.M. Steffann
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
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 |
|---|---|---|---|---|---|---|
| 37.77.56.0/21 | 2,048 | NL-STEFFANN-20120201 | S.J.M. Steffann (ORG-SSP3-RIPE) · NL | ALLOCATED PA | Feb 1, 2012 | abuse@ |
| └ 37.77.63.0/24 | 256 | MODMI-37-77-63-0 | MOD Mission Critical LLC (ORG-MMCL12-RIPE) · NZ | ASSIGNED PA | Jan 11, 2024 | support@ |
Network & registry
IPv4 market
Holder
- Organization
- S.J.M. Steffann
- Handle
- ORG-SSP3-RIPE
- Range
- 37.
77. 56. 0/ 21 - Registration type
- ALLOCATED PA
- Record created
- Feb 1, 2012
Origin network
AS48806
US
- Name
- Stackster LLC
- Type
- Hosting
- Registered
- Sep 27, 2018
- Domain
- stack.net
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Aug 2021
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 3
- Last change of origin
- Jan 2024
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 37.
77. 63. 0/ 24 - Netname
- MODMI-37-77-63-0
- Registrant
- MOD Mission Critical LLC
- Registrant country
- NZ
- Organization
- MOD Mission Critical LLC (ORG-MMCL12-RIPE)
- Org country
- NZ
- Type
- ASSIGNED PA
- Created
- Jan 11, 2024
- Updated
- Jan 11, 2024
- Maintainer
- PREFIXBROKER-MNT
- RIR
- RIPE NCC
- Country
- NL
- Delegated
- Feb 1, 2012
- Status
- assigned
Report abuse
Abuse contact
- support@
modmc. net - Name
- MOD Mission Critical LLC abuse handling
- Handle
- MMCL11-RIPE