Bath Iron Works Corporation

BGP inherited
Cluster stats
Netblocks11 · 23,086 IPv4 addresses
Registered in United States (6) · United Kingdom (4)
Cluster ID208812833
RegistryARIN
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
11 +2 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-19

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
167.150.30.0 – 167.150.63.255 Bath Iron Works Corporation ARIN DIRECT ALLOCATION ● low
167.150.72.0 – 167.150.80.255 Bath Iron Works Corporation ARIN DIRECT ALLOCATION ● low
167.150.104.0/22 Bath Iron Works Corporation ARIN DIRECT ALLOCATION ● low
167.150.121.0 – 167.150.149.255 Bath Iron Works Corporation ARIN DIRECT ALLOCATION ● low
167.150.226.0 – 167.150.231.255 Bath Iron Works Corporation ARIN DIRECT ALLOCATION ● low
167.150.248.0/21 Bath Iron Works Corporation ARIN DIRECT ALLOCATION ● low
193.63.86.16/29 BATH-COL RIPE ASSIGNED PA ● low
212.219.56.208/28 BATH-COL RIPE ASSIGNED PA ● low
212.219.57.0/28 BATH-COL RIPE ASSIGNED PA ● low
212.219.197.32/28 BATH-COL RIPE ASSIGNED PA ● low
2a00:2381:ee7f::/48 BATH-ROW RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
45.5% of checked blocks have valid RPKI ROA coverage (5 of 11)
Possible discrepancies (1)

These blocks are registered to Bath Iron Works Corporation 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.

2a00:2381:ee7f::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

BIWC BTNET-MNT DDF2-ARIN DUMY-RIPE DUMY-RIPE JANET-HOSTMASTER LAB21-ARIN NETWO8568-ARIN NETWO8568-ARIN NETWO8568-ARIN