NORTHROP GRUMMAN CORPORATION
Northrop Grumman
LEI
RIMU48P07456QXSO0R61
Registered name
NORTHROP GRUMMAN CORPORATION
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks102
All fragments 103 blocks across 2 clusters
Cluster ID191614951
RegistryAPNIC
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI RIMU48P07456QXSO0R61
Shared handles clustered on 37 shared RIR contact/maintainer handles
Registry names 11 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (102)

showing 50 of 102 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
103.103.1.0/24 Northrop Grumman M5 Network Security Pty Ltd APNIC ASSIGNED PORTABLE ● high
128.99.0.0/16 Northrop Grumman Systems Corporation ARIN ● high
129.4.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
129.193.0.0/16 Northrop Grumman Corp. ARIN ● high
130.124.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
132.228.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
134.77.0.0/16 Northrop Grumman Corp. ARIN ● high
134.223.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
134.223.4.0/22 Northrop Grumman BGP ANNOUNCED ● high
134.223.8.0/22 Northrop Grumman BGP ANNOUNCED ● high
134.223.17.0/24 Northrop Grumman BGP ANNOUNCED ● high
134.223.19.0/24 Northrop Grumman BGP ANNOUNCED ● high
134.223.128.0/20 Northrop Grumman BGP ANNOUNCED ● high
134.223.160.0/20 Northrop Grumman BGP ANNOUNCED ● high
134.223.184.0/22 Northrop Grumman BGP ANNOUNCED ● high
134.223.188.0/22 Northrop Grumman BGP ANNOUNCED ● high
134.223.192.0/19 Northrop Grumman BGP ANNOUNCED ● high
134.223.224.0/22 Northrop Grumman BGP ANNOUNCED ● high
134.223.224.0/19 Northrop Grumman BGP ANNOUNCED ● high
134.223.228.0/23 Northrop Grumman BGP ANNOUNCED ● high
134.223.230.0/24 Northrop Grumman BGP ANNOUNCED ● high
134.223.231.0/24 Northrop Grumman BGP ANNOUNCED ● high
134.223.232.0/24 Northrop Grumman BGP ANNOUNCED ● high
134.223.236.0/22 Northrop Grumman BGP ANNOUNCED ● high
134.223.239.0/24 Northrop Grumman BGP ANNOUNCED ● high
137.51.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
153.113.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
155.104.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
157.127.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
158.114.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
159.4.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
159.201.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
167.225.0.0/16 Northrop Grumman Corp. ARIN ● high
167.225.0.0/17 Northrop Grumman BGP ANNOUNCED ● high
185.160.184.0/24 Northrop Grumman UK Limited BGP ANNOUNCED ● high
185.160.185.0/24 Northrop Grumman UK Limited BGP ANNOUNCED ● high
185.160.186.0/24 Northrop Grumman UK Limited BGP ANNOUNCED ● high
185.160.187.0/24 Northrop Grumman UK Limited BGP ANNOUNCED ● high
192.31.248.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.35.84.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.45.0.0/19 Northrop Grumman BGP ANNOUNCED ● high
192.45.0.0/16 Northrop Grumman BGP ANNOUNCED ● high
192.83.248.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.67.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.68.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.69.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.70.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.71.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.72.0/24 Northrop Grumman BGP ANNOUNCED ● high
192.86.73.0/24 Northrop Grumman BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: F how networks compare →
16.7% of checked blocks have valid RPKI ROA coverage (17 of 102)
Possible discrepancies (5)

These blocks are registered to Northrop Grumman but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:3dc::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:d5::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:3dc::/56 /56 authorized for AS2856 — British Telecommunications PLC
193.101.168.0/21 /21 authorized for AS13054 — badenIT GmbH
103.103.1.0/24 /24 authorized for AS2764 — AAPT Limited

NIC Handles

AN1169-AP APNIC-HM AS1906 AS207173 AS207900 AS5089-MNT BIEBE3-ARIN BTNET-MNT CKN23-ARIN CKN23-ARIN DA192-ARIN DEC3-ARIN +25 more