AS11971
Pfizer Inc.
AS11971 is Pfizer Inc. (pfizer.com). It announces 55,296 IPv4 addresses in 7 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 1999-02-17· business
55,296
IPv4 addresses announced
7
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
55,296
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States55,296 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- PFIZERNET-GROTON
- name
- Pfizer Inc.
- org
- PFIZER
- org name
- Pfizer Inc.
- org address
- 66 Hudson Boulevard East, New York, NY, 10001-2192
- org city
- New York
- org country
- US
- country
- US
- source
- arin
- created
- 1999-02-17
- updated
- 2021-07-03
- abuse name
- NetAbuse
- abuse email
- NetAbuse@Pfizer.com
- abuse phone
- +1-484-865-1564
- abuse kind
- role
- abuse city
- Collegeville
- abuse country
- US
- admin name
- Robert Azar
- admin email
- robert.azar@pfizer.com
- admin phone
- +1-269-833-2397
- admin kind
- person
- admin city
- ROCHESTER
- admin country
- US
- tech
- AZARR4-ARIN
- tech name
- Robert Azar
- tech email
- robert.azar@pfizer.com
- tech phone
- +1-269-833-2397
- tech kind
- person
- tech city
- ROCHESTER
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.00%
- anyip, geonode0.00%
- None here
- None here
- None here
- None here
- Hosting IP2560.46%
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 146.240.1.0/24 | United States | not found | 17 | 2026-10-02 |
| 148.168.0.0/16also AS7068 | United States | not found | 5 | 2026-10-02 |
| 148.168.32.0/19 | United States | not found | 17 | 2026-10-02 |
| 148.168.35.0/24 | United States | not found | 17 | 2026-10-02 |
| 148.168.192.0/22 | United States | not found | 17 | 2026-10-02 |
| 148.168.192.0/23 | United States | not found | 17 | 2026-10-02 |
| 148.168.224.0/22 | United States | not found | 17 | 2026-10-02 |
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