PFIZER INC.
Pfizer Inc.
Data as of 2026-08-30
GLEIF verified
Complete entity footprint
6 linked clusters ·
103 netblocks ·
533,056 IPv4 addresses ·
27 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
765LHXWGK1KXCLTFYQ30
Registered name
PFIZER INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 55 · 528,124 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2620:1fd::/36) |
| Registered in | United States (37) · Greece (3) · China (2) · Spain (2) · Philippines (2) · Sweden (2) |
| All fragments | 94 blocks across 21 clusters |
| Cluster ID | 232080042 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 765LHXWGK1KXCLTFYQ30 |
| Shared handles | clustered on 39 shared RIR contact/maintainer handles |
| Registry names | 10 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
10 weekly snapshots · JSON
56
+1 netblocks since 2026-07-05
2026-07-05
peak 56
2026-08-30
IP Ranges (55)
showing 50 of 55 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.20.0.216/30 | Pfizer AB | RIPE | ASSIGNED PA | ● high |
| 67.130.57.40/29 | Pfizer Inc. | ARIN | ASSIGNMENT | ● high |
| 123.127.146.80/29 | PFIZER-CO | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 141.173.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 146.240.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 146.240.0.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 146.240.1.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 146.240.2.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 148.168.32.0/19 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.35.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.64.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.76.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.76.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.77.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.80.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.82.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.96.0/19 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.96.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.99.0/24 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.100.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.102.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.192.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.192.0/22 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.216.0/23 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 148.168.224.0/22 | Pfizer Inc. | BGP | ANNOUNCED | ● high |
| 155.142.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 162.48.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 168.224.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 170.116.0.0/16 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 192.43.213.0/24 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 192.112.103.0/24 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 192.132.36.0/24 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 192.132.37.0/24 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 192.132.38.0/24 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 194.237.245.244/30 | Pfizer AB | RIPE | ASSIGNED PA | ● high |
| 198.49.255.0/24 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 198.205.128.0/17 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 203.162.207.240/29 | PFIZER-NET | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 204.114.128.0/17 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 212.98.143.16/28 | Pfizer | RIPE | ASSIGNED PA | ● high |
| 2620:71:8000::/48 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 2620:1fd::/36 | Pfizer Inc. | ARIN | DIRECT ALLOCATION | ● high |
| 125.5.114.120/29 | Pfizer_Inc-PH | APNIC | ASSIGNED NON-PORTABLE | ● medium |
| 125.5.115.224/28 | Pfizer_Inc | APNIC | ASSIGNED NON-PORTABLE | ● medium |
| 62.37.252.40/29 | PFIZER | RIPE | ASSIGNED PA | ● low |
| 62.74.140.88/29 | Pfizer | RIPE | ASSIGNED PA | ● low |
| 80.64.13.240/29 | PFIZER | RIPE | ASSIGNED PA | ● low |
| 86.65.158.0 – 86.65.164.255 | PFIZER | RIPE | ASSIGNED PA | ● low |
| 103.197.3.0/24 | Pfizer | APNIC | ASSIGNED NON-PORTABLE | ● low |
IPv6 ranges (2)
Corporate group (6 confirmed entities)
- Prism LLC 35 blocks
- Pharmacia Inc. 9 blocks
- Pfizer Manufacturing Deutschland GmbH 4 blocks
- Pfizer Health AB 1 blocks
- Pharmacia Hepar,Inc. 1 blocks
Network trust
what's this?
RPKI hygiene: D
how networks compare →
30.4%
of checked blocks have valid RPKI ROA coverage
(17 of 56)
Possible discrepancies (2)
These blocks are registered to Pfizer Inc. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 86.65.158.0 – 86.65.164.255 /21 | authorized for AS15557 — Societe Francaise Du Radiotelephone - SFR SA |
| 103.197.3.0/24 /24 | authorized for AS55996 — CYPRESS TELECOM (CHINA) LIMITED |
NIC Handles
AE135-AP
AS11971
AS3329-MNT
AS36393
AS7068
AZARR4-ARIN
AZARR4-ARIN
AZARR4-ARIN
AZARR4-ARIN
AZARR4-ARIN
DUMY-RIPE
DUMY-RIPE
+27 more