Home ASN LookupAS11686

AS11686 ZAYO-ENA-11686 - Zayo Bandwidth

🇺🇸

ARINassigned

Announced Prefixes (BGP)

271total

265 IPv46 IPv6

IPv4 Addresses

Allocated (RIR)397,312

Announced (BGP)965,632

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)8×10²⁸

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

Country

🇺🇸 US

RIR

ARIN

Status

assigned

Allocated

1998-11-16

Announced Prefixes

(BGP)271

Prefix	RPKI	IRR	Last Seen
38.29.170.0/24	No ROA	Other IRR	2026-10-11
72.162.136.0/22	No ROA	Other IRR	2026-10-11
96.4.0.0/15	Valid	Other IRR	2026-10-11
96.4.0.0/18	Valid	Other IRR	2026-10-11
96.4.8.0/21	Valid	-	2026-10-11
96.4.64.0/18	Valid	Other IRR	2026-10-11
96.4.128.0/18	Valid	Other IRR	2026-10-11
96.4.174.0/23	Valid	-	2026-10-11
96.4.192.0/18	Valid	Other IRR	2026-10-11
96.5.0.0/18	Valid	Other IRR	2026-10-11

1-10 of 271

1 / 28

Allocated Prefixes

(RIR)8

Prefix	Country	RIR	Status
96.4.0.0/15	🇺🇸 US	ARIN	allocated
165.138.0.0/16	🇺🇸 US	ARIN	allocated
165.139.0.0/16	🇺🇸 US	ARIN	allocated
168.254.0.0/16	🇺🇸 US	ARIN	allocated
207.191.176.0/20	🇺🇸 US	ARIN	allocated
208.119.0.0/16	🇺🇸 US	ARIN	allocated
2602:297::/40	🇺🇸 US	ARIN	allocated
2610:128::/32	🇺🇸 US	ARIN	allocated

All 271 announced prefixes of AS11686 →

BGP Neighbours

(seen in AS paths)

Upstreams (7)

Networks AS11686 hands its own prefixes to: transit providers, or peers at an exchange.

AS6461Zayo Bandwidth252
AS174Cogent Communications11
AS14048The University Of Memphis3
AS3450University Of Tennessee2
AS6939Hurricane Electric2
AS11039The George Washington University2
AS14041University Corporation For Atmospheric Research1

Downstreams (11)

Networks whose own prefixes AS11686 passes on: usually its customers.

AS393393Amarillo ISD9
AS40252Cleveland Municipal School District5
AS401912Boulder Valley School District BVSD5
AS25971Milwaukee Public Schools4
AS394209East Central BOCES3
AS6092Harford Community College1
AS46745Gainesville City Schools1
AS46930Denver Public Schools1
AS64248Worcester County Public Schools1
AS393273Education Service Center, Region 171
AS400305MSD Of Mt. Vernon1

Transfer History

Registry transfers of AS11686 between organisations.

AS11686M&A · 2025-10-02
Education Networks of America
🇺🇸 US ARIN
→
Zayo Bandwidth
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-10-02	AS11686	Education Networks of America 🇺🇸 US ARIN	Zayo Bandwidth 🇺🇸 US ARIN	M&A

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 AS11686 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/11686

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

curl -s "https://api.ipctl.io/v1/asn/11686" | jq