AS27564 CAPGEMINI-CIS-AS1 - CAPGEMINI AMERICA, INC.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

10total

9 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)16,384

Announced (BGP)18,432

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2003-04-02

Announced Prefixes

(BGP)10

Prefix	RPKI	IRR	Last Seen
67.204.64.0/18	No ROA	-	2026-10-10
67.204.73.0/24	No ROA	-	2026-10-10
67.204.74.0/24	No ROA	-	2026-10-10
67.204.75.0/24	No ROA	-	2026-10-10
67.204.101.0/24	No ROA	-	2026-10-10
67.204.105.0/24	No ROA	-	2026-10-10
67.204.106.0/24	No ROA	-	2026-10-10
67.204.108.0/24	No ROA	-	2026-10-10
198.199.238.0/24	No ROA	-	2026-10-10
2606:4040::/32	No ROA	ARIN	2026-10-10

(RIR)2

Prefix	Country	RIR	Status
67.204.64.0/18	🇺🇸 US	ARIN	allocated
2606:4040::/32	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS27564 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS27564 between organisations.

Date	Resource	From	To	Type
2018-08-27	AS27564	Cap Gemini Ernst & Young Kansas City Service Center, LLC 🇺🇸 US ARIN	CAPGEMINI AMERICA, INC. 🇺🇸 US ARIN	M&A

ASPA

No ASPA

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS27564 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/27564" | jq