Simwood Inc.

BGP inherited

Cluster stats

Netblocks	2 · 2,050 IPv4 addresses
All fragments	38 blocks across 10 clusters
Cluster ID	205103283
Registry	ARIN
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 10 shared RIR contact/maintainer handles
Registry names	2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (2)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
172.86.224.0/21	Simwood Inc.	ARIN	DIRECT ALLOCATION	● high
178.18.119.64/30	Simwood	RIPE	ASSIGNED PA	● low

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “Simwood” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

Combined view of all 10 name-family clusters →

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

Edinburgh Internal via Simwood eSMS Limited sub-allocation
SIMWOOD-THE-1 via Glide Student & Residential Limited sub-allocation
Slo Internal via Simwood eSMS Limited sub-allocation
Internal via Simwood eSMS Limited sub-allocation
Man Internal via Simwood eSMS Limited sub-allocation
Internal via Simwood eSMS Limited sub-allocation
London Internal via Simwood eSMS Limited sub-allocation
Manchester Internal via Simwood eSMS Limited sub-allocation

Network trust

what's this?

RPKI hygiene: C how networks compare →

50.0% of checked blocks have valid RPKI ROA coverage (1 of 2)

No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE MAITL3-ARIN MAITL3-ARIN MNT-ADVANTAGE-INTERACTIVE SIMWO SIMWO-ARIN SIMWO-ARIN SIMWO-ARIN SIMWO-ARIN