Data as of Nov 3, 2026

37.77.63.0/24

No anonymizer space · no proxy exits in 30 days

Stackster 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.77.56.0/212,048NL-STEFFANN-20120201S.J.M. Steffann (ORG-SSP3-RIPE) · NLALLOCATED PAFeb 1, 2012[email protected]
└ 37.77.63.0/24256MODMI-37-77-63-0MOD Mission Critical LLC (ORG-MMCL12-RIPE) · NZASSIGNED PAJan 11, 2024[email protected]

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