COVANCE LIMITED
COVANCE-INC
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
3 linked clusters ·
46 netblocks ·
71,576 IPv4 addresses ·
3 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.
LEI
549300W6U341IINOH872
Registered name
COVANCE LIMITED
Jurisdiction
Cluster stats
| Netblocks | 13 · 376 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a00:2381:14a5::/48) |
| Registered in | United Kingdom (9) · United States (1) |
| All fragments | 19 blocks across 4 clusters |
| Cluster ID | 213244978 |
| Registry | APNIC |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300W6U341IINOH872 |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
13
0 netblocks since 2026-07-05
2026-07-05
peak 13
2026-07-26
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.128.194.128/29 | COVANCE-LTD | RIPE | ASSIGNED PA | ● low |
| 113.29.67.0/24 | COVANCE-INC | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 193.240.23.208/29 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 193.240.70.64/29 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 193.240.110.160/28 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 212.187.220.200/29 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 212.187.250.32/28 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 213.242.84.224/28 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 213.249.114.152/29 | Covance-Inc | RIPE | ASSIGNED PA | ● low |
| 217.163.79.128/27 | COVANCE-INC | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:14a5::/48 | COVANCE | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:2094::/48 | COVANCE-LTD | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:2094::/56 | COVANCE-LTD | RIPE | ASSIGNED | ● low |
IPv6 ranges (3)
Corporate group (3 confirmed entities)
+1 additional unconfirmed candidate not shown — full list (JSON)- Laboratory Corporation of America 31 blocks
- Chiltern International Limited 3 blocks
Network trust
what's this?
RPKI hygiene: D
how networks compare →
38.5%
of checked blocks have valid RPKI ROA coverage
(5 of 13)
Possible discrepancies (3)
These blocks are registered to COVANCE-INC 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.
| 2a00:2381:14a5::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:2094::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:2094::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AB34802-RIPE
AL1706-AP
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
LCA3-AP
LCA3-AP
LEVEL3-MNT
MAINT-AP-LVLT
QUZAUK