Home ASN LookupAS29987

AS29987 SINFONY6 - Sinfony6, LLC

🇺🇸

ARINassigned

Announced Prefixes (BGP)

42total

42 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)66,048

Announced (BGP)80,640

IPv6 Addresses

Allocated (RIR)3×10²⁶

Announced (BGP)0

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

2025-02-11

Announced Prefixes

(BGP)42

Prefix	RPKI	IRR	Last Seen
23.134.108.0/24MOAS	Invalid	ARIN	2026-10-11
187.31.0.0/16MOAS	No ROA	Other IRR	2026-10-11
187.31.0.0/24	No ROA	-	2026-10-11
187.31.1.0/24	No ROA	-	2026-10-11
187.31.2.0/24	No ROA	-	2026-10-11
187.31.3.0/24	No ROA	-	2026-10-11
187.31.4.0/24	No ROA	-	2026-10-11
187.31.5.0/24	No ROA	-	2026-10-11
187.31.6.0/24	No ROA	-	2026-10-11
187.31.7.0/24	No ROA	-	2026-10-11

1-10 of 42

1 / 5

Allocated Prefixes

(RIR)4

Prefix	Country	RIR	Status
23.134.108.0/24	🇺🇸 US	ARIN	allocated
187.31.0.0/16	🇧🇷 BR	LACNIC	allocated
187.31.14.0/24	🇧🇷 BR	LACNIC	allocated
2602:f6ed::/40	🇺🇸 US	ARIN	allocated

All 42 announced prefixes of AS29987 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS29987 hands its own prefixes to: transit providers, or peers at an exchange.

AS3257GTT BACKBONE GTT Communications33
AS32097WholeSale Internet9

Downstreams (1)

Networks whose own prefixes AS29987 passes on: usually its customers.

AS14571Oi S.A. Em Recuperacao Judicial32

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 AS29987 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/29987

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

curl -s "https://api.ipctl.io/v1/asn/29987" | jq