Jacobs
JACOBS
Cluster stats
Netblocks14
All fragments 98 blocks across 35 clusters
Cluster ID191876664
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (14)

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CIDR Org name Registry Status Confidence
62.216.246.100/30 JACOBS RIPE ASSIGNED PA ● low
62.216.246.104/30 JACOBS RIPE ASSIGNED PA ● low
81.143.145.152/29 Jacobs RIPE ASSIGNED PA ● low
81.143.145.216/29 Jacobs RIPE ASSIGNED PA ● low
82.212.252.104/29 Jacobs_GmbH RIPE ASSIGNED PA ● low
83.141.77.184/30 JACOBS-NET RIPE ASSIGNED PA ● low
193.173.73.64/28 JACOBS RIPE ASSIGNED PA ● low
195.35.165.52/30 JACOBS RIPE ASSIGNED PA ● low
195.53.85.224/29 JACOBS RIPE ASSIGNED PA ● low
212.26.198.0/24 JACOBS-NET RIPE ASSIGNED PA ● low
212.243.57.0/25 JACOBS-NET RIPE ASSIGNED PA ● low
217.39.188.72/29 Jacobs RIPE ASSIGNED PA ● low
217.70.160.112/30 jacobs-net RIPE ASSIGNED PA ● low
2a00:2381:1797::/48 JACOBS RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (14 of 14)
Possible discrepancies (2)

These blocks are registered to JACOBS but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:1797::/48 /48 authorized for AS2856 — British Telecommunications PLC
212.26.198.0/24 /24 authorized for AS41960 — Nextpertise B.V.

NIC Handles

AS286-MNT AS8954-MNT BTNET-MNT CASTEL-MNT CH-UNISOURCE-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT GR2386-RIPE-MNT IBIS-MNT IWELT-MNT +1 more