American Express Company
BGP inherited
Cluster stats
Netblocks175
All fragments 188 blocks across 3 clusters
Cluster ID191593372
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 40 shared RIR contact/maintainer handles
Registry names 17 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
175 0 netblocks since 2026-07-05
2026-07-05 peak 175 2026-07-06

IP Ranges (175)

showing 50 of 175 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
12.10.219.0/24 American Express Company BGP ANNOUNCED ● high
12.29.100.0/24 American Express Company BGP ANNOUNCED ● high
12.29.101.0/24 American Express Company BGP ANNOUNCED ● high
12.29.102.0/24 American Express Company BGP ANNOUNCED ● high
12.105.185.0/24 American Express Company BGP ANNOUNCED ● high
139.71.0.0/16 American Express Company ARIN ● high
139.71.0.0/24 American Express Company BGP ANNOUNCED ● high
139.71.1.0/24 American Express Company BGP ANNOUNCED ● high
139.71.2.0/24 American Express Company BGP ANNOUNCED ● high
139.71.3.0/24 American Express Company BGP ANNOUNCED ● high
139.71.5.0/24 American Express Company BGP ANNOUNCED ● high
139.71.6.0/23 American Express Company BGP ANNOUNCED ● high
139.71.8.0/24 American Express Company BGP ANNOUNCED ● high
139.71.9.0/24 American Express Company BGP ANNOUNCED ● high
139.71.10.0/24 American Express Company BGP ANNOUNCED ● high
139.71.11.0/24 American Express Company BGP ANNOUNCED ● high
139.71.16.0/24 American Express Company BGP ANNOUNCED ● high
139.71.17.0/24 American Express Company BGP ANNOUNCED ● high
139.71.18.0/24 American Express Company BGP ANNOUNCED ● high
139.71.19.0/24 American Express Company BGP ANNOUNCED ● high
139.71.20.0/24 American Express Company BGP ANNOUNCED ● high
139.71.21.0/24 American Express Company BGP ANNOUNCED ● high
139.71.22.0/24 American Express Company BGP ANNOUNCED ● high
139.71.23.0/24 American Express Company BGP ANNOUNCED ● high
139.71.24.0/24 American Express Company BGP ANNOUNCED ● high
139.71.25.0/24 American Express Company BGP ANNOUNCED ● high
139.71.26.0/24 American Express Company BGP ANNOUNCED ● high
139.71.27.0/24 American Express Company BGP ANNOUNCED ● high
139.71.28.0/23 American Express Company BGP ANNOUNCED ● high
139.71.48.0/23 American Express Company BGP ANNOUNCED ● high
139.71.50.0/24 American Express Company BGP ANNOUNCED ● high
139.71.51.0/24 American Express Company BGP ANNOUNCED ● high
139.71.52.0/24 American Express Company BGP ANNOUNCED ● high
139.71.53.0/24 American Express Company BGP ANNOUNCED ● high
139.71.54.0/24 American Express Company BGP ANNOUNCED ● high
139.71.55.0/24 American Express Company BGP ANNOUNCED ● high
139.71.64.0/23 American Express Company BGP ANNOUNCED ● high
139.71.66.0/24 American Express Company BGP ANNOUNCED ● high
139.71.67.0/24 American Express Company BGP ANNOUNCED ● high
139.71.68.0/24 American Express Company BGP ANNOUNCED ● high
139.71.69.0/24 American Express Company BGP ANNOUNCED ● high
139.71.70.0/24 American Express Company BGP ANNOUNCED ● high
139.71.71.0/24 American Express Company BGP ANNOUNCED ● high
139.71.72.0/24 American Express Company BGP ANNOUNCED ● high
139.71.73.0/24 American Express Company BGP ANNOUNCED ● high
139.71.74.0/24 American Express Company BGP ANNOUNCED ● high
139.71.75.0/24 American Express Company BGP ANNOUNCED ● high
139.71.76.0/24 American Express Company BGP ANNOUNCED ● high
139.71.77.0/24 American Express Company BGP ANNOUNCED ● high
139.71.78.0/24 American Express Company BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: F how networks compare →
11.4% of checked blocks have valid RPKI ROA coverage (20 of 175)
Possible discrepancies (1)

These blocks are registered to American Express Company 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.

2a00:2381:399b::/48 /48 authorized for AS2856 — British Telecommunications PLC

NIC Handles

AA1792-AP AA2277-AP AB34802-RIPE AEAP1-AP AEAP1-AP AEBC1-AP AEBC1-AP AESOC-ARIN AM2390-AP AMERIC APNIC-HM AS139274 +28 more