AS401953 SBA1DC - U.S. Small Business Administration

🇺🇸

ARINassignedASPA Published

Announced Prefixes (BGP)

0total

0 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)0

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2025-09-08

No prefixes found for this ASN.

Upstream Providers(5)

ASN	Name
AS4185	🇺🇸ATTIS-ASN4185 - AT&T Enterprises, LLC
AS4186	🇺🇸ATTIS-ASN4186 - AT&T Enterprises, LLC
AS7018	🇺🇸ATT-INTERNET4 - AT&T Enterprises, LLC
AS14618	🇺🇸AMAZON-AES - Amazon.com, Inc.
AS16509	🇺🇸AMAZON-02 - Amazon.com, Inc.

ASPA

Published5 upstreams, 0 downstreams

Authorized Upstream Providers

Expires 2026-10-27

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
How to run an ASPA checkVerify the upstream providers listed above
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/401953" | jq