WILLIAMS INTERNATIONAL CO., L.L.C.

Williams International
GLEIF verified
LEI
549300DF0KZNR9YFOS63
Registered name
WILLIAMS INTERNATIONAL CO., L.L.C.
Jurisdiction
US-MI
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks7 · 1,058 IPv4 addresses
Registered in United Kingdom (4) · BA (1) · United States (1)
All fragments 134 blocks across 42 clusters
Cluster ID208814955
RegistryARIN
Owner jurisdictionUS-MI
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300DF0KZNR9YFOS63
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.93.89.240/28 WILLIAMS-NET RIPE ASSIGNED PA ● low
81.143.5.120/29 WILLIAMS RIPE ASSIGNED PA ● low
193.133.244.0/23 WILLIAMS RIPE ASSIGNED PA ● low
198.51.40.0/23 Williams International ARIN DIRECT ALLOCATION ● low
217.36.59.8/29 WILLIAMS RIPE ASSIGNED PA ● low
217.40.86.168/29 WILLIAMS RIPE ASSIGNED PA ● low
2a00:2381:d534::/48 WILLIAMS-GROUP RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
71.4% of checked blocks have valid RPKI ROA coverage (5 of 7)
Possible discrepancies (1)

These blocks are registered to Williams International 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:d534::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AS1849-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE JM676-ARIN JM676-ARIN JM676-ARIN TELEKOM-SRPSKE-MNT WILLIA-2