AS609 EY-AS-L - Ernst & Young LLP

🇺🇸

ARINassigned

Announced Prefixes (BGP)

5total

4 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)4,864

IPv6 Addresses

Allocated (RIR)4.9×10²⁷

Announced (BGP)4.9×10²⁷

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2009-07-22

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
199.52.148.0/24	Valid	ARIN	2026-10-11
199.52.149.0/24	Valid	ARIN	2026-10-11
199.52.150.0/24	Valid	ARIN	2026-10-11
199.52.240.0/20	Valid	ARIN	2026-10-11
2602:80d:8000::/36	Valid	ARIN	2026-10-11

(RIR)1

Prefix	Country	RIR	Status
2602:80d:8000::/36	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS609 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS609 between organisations.

Date	Resource	From	To	Type
2022-06-30	AS609	Ernst & Young LLP 🇺🇸 US ARIN	Ernst and Young LLP 🇺🇸 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 AS609 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/609" | jq