Stack Exchange, Inc.

Data as of 2026-09-05
GLEIF verified
Complete entity footprint
3 linked clusters · 23 netblocks · 71,464 IPv4 addresses · 1 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
254900J73K7GI9313X56
Registered name
Stack Exchange, Inc.
Jurisdiction
US-DE
Ultimate parent
NASPERS
21380044BQ8812EEKT59
This organisation
Netblocks4 · 768 IPv4 addresses
IPv6 1 prefix (largest 2620:111:7000::/44)
Record ID233931274
RegistryARIN
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 254900J73K7GI9313X56
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
192.111.0.0/24 Stack Exchange, Inc. ARIN DIRECT ALLOCATION ● high
198.252.206.0/24 Stack Exchange, Inc. ARIN DIRECT ALLOCATION ● high
204.89.246.0/24 Stack Exchange, Inc. ARIN DIRECT ALLOCATION ● high
2620:111:7000::/44 Stack Exchange, Inc. ARIN DIRECT ALLOCATION ● high

IPv6 ranges (1)

CIDR
2620:111:7000::/44

Domains hosted in this network

what's this?
stackexchange.com stackoverflow.com sstatic.net superuser.com askubuntu.com serverfault.com imgur.com mathoverflow.net

Corporate group (3 confirmed entities)

Network trust

what's this?
RPKI hygiene: D how networks compare →
25.0% of checked blocks have valid RPKI ROA coverage (1 of 4)
Possible discrepancies (1)

These blocks are registered to Stack Exchange, Inc. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

198.252.206.0/24 /24 authorized for AS13335 — Cloudflare, Inc.

NIC Handles

SE-111 SYSAD101-ARIN SYSAD101-ARIN SYSAD101-ARIN SYSAD101-ARIN