DISCOVER FINANCIAL SERVICES

Discover Financial Services
Data as of 2026-07-26
GLEIF verified
LEI
Z1YLO2USPORE63VVUL20
Registered name
DISCOVER FINANCIAL SERVICES
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks21 · 68,352 IPv4 addresses
IPv6 1 prefix (largest 2a00:2381:cf0c::/48)
Cluster ID213586406
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI Z1YLO2USPORE63VVUL20
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
21 -1 netblocks since 2026-07-05
2026-07-05 peak 22 2026-07-26

IP Ranges (21)

⬇ export CSV
CIDR Org name Registry Status Confidence
170.217.161.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.162.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.245.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.251.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.252.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.254.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.255.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.149.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.150.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.151.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.152.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.153.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.154.0/24 Discover Financial Services BGP ANNOUNCED ● high
199.38.155.0/24 Discover Financial Services BGP ANNOUNCED ● high
208.88.88.0/24 Discover Financial Services BGP ANNOUNCED ● high
208.88.89.0/24 Discover Financial Services BGP ANNOUNCED ● high
208.88.90.0/24 Discover Financial Services BGP ANNOUNCED ● high
208.88.91.0/24 Discover Financial Services BGP ANNOUNCED ● high
170.217.0.0/16 Discover Financial Services ARIN DIRECT ALLOCATION ● low
208.88.88.0/22 Discover Financial Services ARIN DIRECT ALLOCATION ● low
2a00:2381:cf0c::/48 DISCOVER-FINANCIAL RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: F how networks compare →
4.8% of checked blocks have valid RPKI ROA coverage (1 of 21)
Possible discrepancies (1)

These blocks are registered to Discover Financial Services 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:cf0c::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AS12147 AS16432 BTNET-MNT DFS-35 DSE9-ARIN DSE9-ARIN DSE9-ARIN DUMY-RIPE DUMY-RIPE OLSEN205-ARIN OLSEN205-ARIN OLSEN205-ARIN +7 more