AS40089 — BULLHORN-INC-BOSTON

AS40089 announces 2 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

BULLHORN-INC-BOSTON is operated by Bullhorn Inc.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by netnames BULLH-1 and BHWC registered to Bullhorn Inc.
• The AS announces 2048 IPv4 addresses across 2 prefixes and maintains 8 observed neighbours, a ratio consistent with a business network rather than a transit or access provider.
• Traffic from this AS consists of web and API endpoints for Bullhorn's cloud-based customer relationship management and applicant tracking systems.

Notable

• Registrants for both announced prefixes, 52.129.16.0/22 and 204.62.52.0/22, are listed as Bullhorn Inc., matching the AS holder.
• The address inventory is compact, consisting of two /22 blocks totaling 2048 addresses, with no IPv6 prefixes in inventory.

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

Announced prefixes

• 52.129.16.0/22
• 204.62.52.0/22

Upstream networks

• AS12129 123.Net, Inc.
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS23005 SWITCH, LTD
• AS22911 SINAP-TIX, LLC

Adjacent networks

• AS12129 123.Net, Inc.
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS23005 SWITCH, LTD
• AS22911 SINAP-TIX, LLC