AS399820 ATOMIC-NETWORKS-1 - SPARKED HOST LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

2total

1 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)256

Announced (BGP)256

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)1.2×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2021-06-29

Announced Prefixes

(BGP)2

Prefix	RPKI	IRR	Last Seen
204.137.14.0/24	Valid	ARIN	2026-10-11
2602:fc2f:f00::/48	Valid	ARIN	2026-10-11

(RIR)1

Prefix	Country	RIR	Status
204.137.14.0/24	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS399820 hands its own prefixes to: transit providers, or peers at an exchange.

Registry transfers of AS399820 between organisations.

Date	Resource	From	To	Type
2026-01-08	AS399820	Atomic Networks LLC 🇺🇸 US ARIN	SPARKED HOST LLC 🇺🇸 US ARIN	M&A
2022-07-26	AS399820	Atomic Holdings LLC 🇺🇸 US ARIN	Atomic Networks LLC 🇺🇸 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 AS399820 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/399820" | jq