Home ASN LookupAS399817

AS399817 LAER-AS-DWF1 - UnitedLayer, LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

2total

1 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)0

Announced (BGP)256

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)1.2×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2021-06-29

Routing hygiene

Score 5/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 50/100

All announced prefixes have a valid ROA and a matching IRR route object

Based on 2 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained

Announced Prefixes

(BGP)2

Prefix	RPKI	IRR	Last Seen
64.29.130.0/24	Valid	Other IRR	2026-10-26
2607:f3a0:a002::/48	Valid	Other IRR	2026-10-26

All 2 announced prefixes of AS399817 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS399817 hands its own prefixes to: transit providers, or peers at an exchange.

AS174Cogent Communications1
AS3356Level 3 Parent1

ASPA

No ASPA

External Links

ARIN Whois RIPEstat

Learn more

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 AS399817 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

Open

GEThttps://api.ipctl.io/v1/asn/399817

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

curl -s "https://api.ipctl.io/v1/asn/399817" | jq