Data as of Nov 5, 2026
Autonomous system

AS17389

Information Handling Services

Announces 20,480 addresses in 4 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
170.207.160.0/19
since Jun 2011
BusinessS&P Global Inc.
170.207.192.0/19
since Jun 2011
BusinessS&P Global Inc.
170.207.240.0/21
since Jun 2011
BusinessS&P Global Inc.
207.167.40.0/21
since Sep 2005
BusinessS&P Global Inc.

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it