AECOM

AECOM Limited
Data as of 2026-10-04
GLEIF verified
Complete entity footprint
2 linked clusters · 18 netblocks · 68,652 IPv4 addresses · 2 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
0EEB8GF0W0NPCIHZX097
Registered name
AECOM
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks17 · 68,396 IPv4 addresses
IPv6 2 prefixes (largest 2a04:e780::/29)
Registered in United States (11) · United Kingdom (2) · France (1) · LT (1) · Poland (1)
Also registered under this name 27 netblocks across 10 separate records
Record ID245529269
RegistryBGP
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 0EEB8GF0W0NPCIHZX097
Shared handles clustered on 22 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
63.70.138.0/24 AECOM BGP ANNOUNCED ● high
65.209.211.0/24 AECOM BGP ANNOUNCED ● high
65.240.194.0/23 AECOM BGP ANNOUNCED ● high
144.78.0.0/16 AECOM ARIN DIRECT ALLOCATION ● high
144.78.160.0/22 AECOM Limited BGP ANNOUNCED ● high
144.78.192.0/23 AECOM BGP ANNOUNCED ● high
144.78.194.0/23 AECOM BGP ANNOUNCED ● high
204.76.196.0/23 AECOM BGP ANNOUNCED ● high
209.249.113.0/24 AECOM BGP ANNOUNCED ● high
216.93.242.104/29 AECOM ARIN ALLOCATION ● high
5.226.109.140/30 AECOM RIPE ASSIGNED PA ● low
185.60.80.0/22 AECOM Limited RIPE ALLOCATED PA ● low
212.51.179.192/29 AECOM RIPE ASSIGNED PA ● low
212.59.5.136/29 AECOM RIPE ASSIGNED PA ● low
213.244.179.48/28 AECOM RIPE ASSIGNED PA ● low
2a00:2381:f038::/48 AECOM RIPE AGGREGATED-BY-LIR ● low
2a04:e780::/29 AECOM Limited RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (2)

CIDR
2a04:e780::/29
2a00:2381:f038::/48

Footprint over time

15 weekly snapshots · JSON
18 +2 netblocks since 2026-07-05
2026-07-05 peak 18 2026-10-04

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: D how networks compare →
33.3% of checked blocks have valid RPKI ROA coverage (6 of 18)
Possible discrepancies (1)

These blocks are registered to AECOM Limited 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:f038::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AECOM-MNT AECOMC AGUIL5-ARIN AS12238 AS22866 AS40729 AS60060 BTNET-MNT DOUGL278-ARIN DOUGL278-ARIN DOUGL278-ARIN DUMY-RIPE +10 more