AS55002 — DEFENSE-NET - F5, Inc.

AS55002 announces 12 IPv4 prefixes covering 61,184 addresses and 1 IPv6 prefixes.

About this network

The AS handle DEFENSE-NET is held by F5, Inc.

What it's used for

• The address space carries F5 Silverline infrastructure, as indicated by the consistent netname F5SL-01 across all listed IPv4 prefixes.
• With 61,184 IPv4 addresses and 110 observed neighbours, the high neighbour count relative to the address block size indicates a transit or peering-heavy role rather than a pure access network.
• Traffic from this AS consists of enterprise application delivery, API security, and zero trust access services, reflecting F5's business focus on multicloud security and workload protection.

Notable

• All registrants in the RDAP sample are listed as F5, Inc., which agrees with the AS holder.
• The address inventory is finely subdivided into numerous /20, /21, /22, and /24 prefixes within the 107.162.0.0/16 range, suggesting internal segmentation for different service tiers or geographic regions.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 107.162.0.0/18
• 107.162.64.0/19
• 107.162.96.0/20
• 107.162.120.0/24
• 107.162.123.0/24
• 107.162.124.0/22
• 107.162.128.0/18
• 107.162.192.0/19
• 107.162.224.0/20
• 107.162.240.0/22
• 107.162.248.0/22
• 107.162.253.0/24
• 2604:e180::/32

Upstream networks

• AS35280 F5 Networks SARL
• AS11404 Wave Broadband
• AS14744 Unitas Global

Downstream networks

• AS11273 Fiserv Solutions, LLC
• AS375 Tieto Oyj
• AS2571 DHL Information Services (Europe) s.r.o
• AS5411 Oyj
• AS13588 Paychex Inc.
• AS8119 DTN, LLC
• AS7165 Equitable Holdings, Inc
• AS18594 Worldpay, LLC
• AS21693 Xcel Energy Inc.
• AS41878 Crosskey Banking Solutions Ab Ltd
• AS18438 Brown Brothers Harriman & Company
• AS6075 Lockheed Martin Corporation
• AS7163 New York Life Insurance Company
• AS13968 CALIFORNIA ISO
• AS198573 Siemens AG
• AS29888 Unum Group
• AS16072 First Data GmbH
• AS33512 Gateway Processing Services
• AS2386 AT&T Enterprises, LLC
• AS18659 Worldpay, LLC
• AS21504 The Bessemer Group, Inc.
• AS46830 Gwinnett County Public Schools
• AS35006 Camera dei deputati
• AS50079 PAYONEER RESEARCH AND DEVELOPMENT LTD
• AS16931 Global Payments, Inc.

Adjacent networks

• AS35280 F5 Networks SARL
• AS11273 Fiserv Solutions, LLC
• AS375 Tieto Oyj
• AS2571 DHL Information Services (Europe) s.r.o
• AS5411 Oyj
• AS25091 IP-Max SA
• AS13588 Paychex Inc.
• AS8119 DTN, LLC
• AS7165 Equitable Holdings, Inc
• AS8194 VAS "Latvijas Valsts radio un televizijas centrs"
• AS18594 Worldpay, LLC
• AS21693 Xcel Energy Inc.
• AS41878 Crosskey Banking Solutions Ab Ltd
• AS6075 Lockheed Martin Corporation
• AS18438 Brown Brothers Harriman & Company
• AS7163 New York Life Insurance Company
• AS13968 CALIFORNIA ISO
• AS198573 Siemens AG
• AS29888 Unum Group
• AS16072 First Data GmbH
• AS33512 Gateway Processing Services
• AS2386 AT&T Enterprises, LLC
• AS18659 Worldpay, LLC
• AS21504 The Bessemer Group, Inc.
• AS46830 Gwinnett County Public Schools

Routing security

• RPKI: 175 valid, 0 invalid and 0 not-found announcements; 143 ROAs.
• ASPA: none published.
• IRR: 2% of announcements registered; 47 route objects.
• Listed in as-sets: AS-CTBC-CUSTOMERS64, AS-DEFENSE, AS-EMBRATELNET, AS-F5, AS-KDDCUSTOMER2, AS-PNAPSEF, AS-TELSTRA-INTL-CUSTOMERS, AS-WAVE-CUSTOMERS, AS12025:AS-CUSTOMERS, AS1221:AS-CUSTOMERS, AS12703:AS-UPSTREAMS, AS262206:AS-PAN, AS3491:AS-CUSTOMERS-AP, AS3491:AS-CUSTOMERS-EU, AS3491:AS-CUSTOMERS-NA, AS35280:AS-DEFENSE, AS35280:AS-F5, AS7473:AS-CUSTOMERS:AS3758.