Data as of Nov 8, 2026

198.102.36.0/24

No anonymizer space · no proxy exits in 30 days

Environmental Systems Research Institute

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
198.102.32.0/19	8,192	NETBLK-ESRI198	Environmental Systems Research Institute (ESRI-1)	Direct Allocation	Apr 16, 1993	abuse@esri.com
└ 198.102.36.0/24	256	NETBLK-ESRI198-36	Environmental Systems Research Institute (C00002136) · US	Reassigned	Apr 16, 1993	abuse@esri.com via NETBLK-ESRI198

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Registry

Origin network