Home ASN LookupAS11817

AS11817 STAFFORDNET - Stafford Associates Computer Specialists, Inc.

🇺🇸

ARINassigned

Announced Prefixes (BGP)

12total

12 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)4,864

Announced (BGP)3,072

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

1998-12-31

Announced Prefixes

(BGP)12

Prefix	RPKI	IRR	Last Seen
66.11.128.0/24	Valid	-	2026-10-10
66.11.129.0/24	Valid	-	2026-10-10
66.11.130.0/24	Valid	-	2026-10-10
66.11.131.0/24	Valid	-	2026-10-10
66.11.132.0/24	Valid	-	2026-10-10
66.11.135.0/24	Valid	-	2026-10-10
66.11.137.0/24	Valid	-	2026-10-10
66.11.139.0/24	Valid	-	2026-10-10
66.11.140.0/24	Valid	-	2026-10-10
216.168.129.0/24Unalloc	No ROA	Other IRR	2026-10-10

1-10 of 12

1 / 2

Allocated Prefixes

(RIR)4

Prefix	Country	RIR	Status
66.11.128.0/20	🇺🇸 US	ARIN	allocated
216.168.129.0/24	-	ARIN	reserved
216.168.130.0/24	-	ARIN	reserved
216.168.135.0/24	-	ARIN	reserved

All 12 announced prefixes of AS11817 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS11817 hands its own prefixes to: transit providers, or peers at an exchange.

AS46887Crown Castle Fiber6
AS6939Hurricane Electric4
AS54004Cablevision Lightpath2

Downstreams (3)

Networks whose own prefixes AS11817 passes on: usually its customers.

AS23227Nikon1
AS396160Royal Realty1
AS396189ABI Research1

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 AS11817 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/11817

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

curl -s "https://api.ipctl.io/v1/asn/11817" | jq