SIZMEK DSP, INC.

Rocket Fuel Inc.
Data as of 2026-07-26
GLEIF verified
LEI
549300X5KTAU1EN1AZ16
Registered name
SIZMEK DSP, INC.
Jurisdiction
US-DE
Ultimate parent
SIZMEK INC.
5493008CFKMJRW1D5236
Cluster stats
Netblocks10 · 2,816 IPv4 addresses
Registered in United States (9) · United Kingdom (1)
All fragments 11 blocks across 2 clusters
Cluster ID214443384
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300X5KTAU1EN1AZ16
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
10 +2 netblocks since 2026-07-05
2026-07-05 peak 10 2026-07-26

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
185.31.128.0/24 Rocket Fuel Inc. BGP ANNOUNCED ● high
193.0.160.0/24 Rocket Fuel Inc. BGP ANNOUNCED ● high
198.8.71.0/24 Rocket Fuel Inc. BGP ANNOUNCED ● high
199.38.164.0/24 Rocket Fuel Inc. BGP ANNOUNCED ● high
199.38.166.0/23 Rocket Fuel Inc. BGP ANNOUNCED ● high
199.38.167.0/24 Rocket Fuel Inc. BGP ANNOUNCED ● high
207.126.106.0/24 Rocket Fuel Inc. BGP ANNOUNCED ● high
94.31.55.0/24 Rocket_Fuel_Inc RIPE ASSIGNED PA ● low
198.8.70.0/23 Rocket Fuel Inc. ARIN DIRECT ALLOCATION ● low
205.210.186.0/23 Rocket Fuel Inc. ARIN DIRECT ALLOCATION ● low

Domains hosted in this network

what's this?
akadns.net rfihub.com

Network trust

what's this?
RPKI hygiene: D how networks compare →
20.0% of checked blocks have valid RPKI ROA coverage (2 of 10)
Possible discrepancies (1)

These blocks are registered to Rocket Fuel 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.

94.31.55.0/24 /24 authorized for AS205111 — ZOHO Corporation B.V

NIC Handles

ABOVENET-MNT AS54312 DUMY-RIPE DUMY-RIPE JOHNS4306-ARIN NOC12119-ARIN NOC12119-ARIN NOC12119-ARIN PERAL8-ARIN RF-14 ZGA-ARIN ZGA-ARIN +1 more