GUIDEWIRE SOFTWARE, INC.

Guidewire Software, Inc.
Data as of 2026-10-11
GLEIF verified
LEI
549300WXSG0J8IXZCK32
Registered name
GUIDEWIRE SOFTWARE, INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks16 · 4,196 IPv4 addresses
IPv6 1 prefix (largest 2a00:2381:ea65::/48)
Registered in United States (11) · United Kingdom (2) · Ireland (2) · Poland (1)
Record ID245477458
RegistryBGP
Owner jurisdictionUS-DE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 549300WXSG0J8IXZCK32
Shared handles clustered on 17 shared RIR contact/maintainer handles
Registry names 10 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (16)

⬇ export CSV
CIDR Org name Registry Status Confidence
66.119.119.0/24 Guidewire Software, Inc. ARIN DIRECT ALLOCATION ● high
162.248.24.0/21 Guidewire Software, Inc. ARIN DIRECT ALLOCATION ● high
185.99.109.0/24 Guidewire Software (Ireland) Limited BGP ANNOUNCED ● high
199.91.42.0/24 Guidewire Software, Inc. ARIN ASSIGNMENT ● high
199.91.42.0/23 Guidewire Software, Inc. ARIN DIRECT ALLOCATION ● high
204.154.121.0/24 Guidewire Software, Inc. ARIN DIRECT ALLOCATION ● high
62.87.181.8/29 GUIDEWIRE-SOFTWARE RIPE ASSIGNED PA ● low
77.67.20.192/28 GUIDEWIRE-SOFTWARE-INC-GTT RIPE ASSIGNED PA ● low
77.67.25.16/29 GUIDEWIRE-SOFTWARE-IRELAND-LIMITED-GTT RIPE ASSIGNED PA ● low
83.218.146.28/30 GUIDEWIRE-SOFTWARE-LAN-27612 RIPE ASSIGNED PA ● low
87.119.90.96/28 GUIDEWIRE-SOFTWARE-INC-GTT RIPE ASSIGNED PA ● low
87.224.119.192/28 GUIDEWIRE-SOFTWARE-LAN-27782 RIPE ASSIGNED PA ● low
154.14.244.64/28 GUIDEWIRE-SOFTWARE-GTT RIPE LEGACY ● low
154.14.251.160/28 GUIDEWIRE-SOFTWARE-INC-GTT RIPE LEGACY ● low
185.99.108.0/22 Guidewire Software (Ireland) Limited RIPE ALLOCATED PA ● low
2a00:2381:ea65::/48 GUIDEWIRE-SOFTWARE RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (1)

Footprint over time

11 weekly snapshots · JSON
17 +3 netblocks since 2026-07-26
2026-07-26 peak 17 2026-10-11

Network trust

what's this?
RPKI hygiene: D how networks compare →
47.1% of checked blocks have valid RPKI ROA coverage (8 of 17)
Possible discrepancies (2)

These blocks are registered to Guidewire Software, 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.

2a00:2381:ea65::/48 /48 authorized for AS2856 — British Telecommunications Limited
199.91.42.0/24 /24 authorized for AS14618 — Amazon.com, Inc.

NIC Handles

AS17214 AS202899 AS3257-IPAM-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE GS-3 LIR-GWRE-NW LIR-GWRE-NW NETIA-MNT NOC11705-ARIN NOC11705-ARIN +5 more