ASN Lookup Tool

Zayo Group, LLC zayo.com US US 272 Routes

AS Data

AS11686

AS11686 – Zayo Group, LLC

AS Number 11686
AS Name ZAYO-ENA-11686
Organization Zayo Group, LLC (zayob)
Country US
Website zayo.com
Number of IPv4 Routes 264
Number of IPv6 Routes 6
ASN type ISP
Registry ARIN
Date Allocated 1998-11-16

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IP Ranges

Route # IPs
170.185.63.0/24 256
170.185.33.0/24 256
170.185.126.0/24 256
170.185.45.0/24 256
170.185.156.0/24 256
170.185.51.0/24 256
170.185.191.0/24 256
170.185.138.0/24 256
96.4.0.0/15 131072
96.5.176.0/21 2048
170.185.198.0/24 256
170.185.214.0/23 512
170.185.102.0/24 256
165.138.86.0/24 256
165.138.165.0/24 256
96.5.144.0/22 1024
170.185.0.0/17 32768
170.185.144.0/24 256
170.180.161.0/24 256
170.185.101.0/24 256
170.185.250.0/24 256
170.185.57.0/24 256
165.138.9.0/24 256
170.185.27.0/24 256
96.4.128.0/18 16384
207.191.176.0/21 2048
96.4.8.0/21 2048
2602:297::/40 ~309×10²⁴
170.185.93.0/24 256
170.185.21.0/24 256
170.185.173.0/24 256
170.185.28.0/24 256
170.185.75.0/24 256
170.185.192.0/24 256
2610:128:9500::/40 ~309×10²⁴
170.185.16.0/22 1024
170.185.202.0/24 256
208.119.0.0/16 65536
170.185.113.0/24 256
96.4.0.0/18 16384
170.185.76.0/24 256
170.185.180.0/24 256
170.185.150.0/24 256
170.185.120.0/24 256
170.185.162.0/24 256
165.139.133.0/24 256
170.185.39.0/24 256
96.4.64.0/18 16384
170.185.143.0/24 256
170.185.108.0/23 512
170.185.125.0/24 256
170.185.58.0/24 256
170.185.221.0/24 256
96.5.0.0/18 16384
170.180.0.0/14 262144
170.185.99.0/24 256
170.185.161.0/24 256
170.185.190.0/24 256
165.138.56.0/24 256
170.185.220.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11686
ASName:         ZAYO-ENA-11686
ASHandle:       AS11686
RegDate:        1998-11-16
Updated:        2025-10-02
Ref:            https://rdap.arin.net/registry/autnum/11686


OrgName:        Zayo Bandwidth
OrgId:          ZAYOB
Address:        1401 Wynkoop St.
Address:        #500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2007-10-12
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/ZAYOB


OrgTechHandle: ZIE-ARIN
OrgTechName:   Zayo IP Engineering
OrgTechPhone:  +1-866-236-2824 
OrgTechEmail:  ipeng@zayo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN

OrgAbuseHandle: ABUSE5675-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-866-236-2824 
OrgAbuseEmail:  abuse@zayo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5675-ARIN

OrgNOCHandle: ZIE-ARIN
OrgNOCName:   Zayo IP Engineering
OrgNOCPhone:  +1-866-236-2824 
OrgNOCEmail:  ipeng@zayo.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS400305 MSD of Mt. Vernon US
AS7195 EDGEUNO S.A.S CO
AS20326 TeraSwitch Networks Inc. US
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS3450 University of Tennessee US
AS6939 Hurricane Electric LLC US
AS25964 Henry County Board of Education US
AS6082 IPiFony Systems, Inc. US
AS14537 Continent 8 LLC US
AS4230 CLARO S.A. BR
AS267256 ONETIS TECNOLOGIA LTDA BR
AS37468 Angola Cables AO
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS14907 Wikimedia Foundation Inc. US
AS64248 Worcester County Public Schools US
AS394177 SHIFT HOSTING LLC US
AS11039 The George Washington University US
AS23367 Adaptive Data Networks, LLC US
AS6461 Zayo Bandwidth US
AS40109 Forsyth County Board of Education US
AS16552 Tiggee LLC US
AS58453 China Mobile International Limited HK
AS61573 IP TELECOM BR
AS263237 PowerHost Telecom SPA CL
AS32590 Valve Corporation US
AS14048 The University of Memphis US
AS40252 Cleveland Municipal School District US
AS2734 CoreSite US
AS393273 Education Service Center, Region 17 US
AS1031 PEER 1031 LLC US
AS61461 Airtek Solutions C.A. VE
AS1828 Unitas Global US
AS999 CORIX NETWORKS US
AS24482 SG.GS SG
AS263152 MIGO TELECOM BR
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S. CO
AS46745 Gainesville City Schools US
AS23106 AMERICAN TOWER DO BRASIL COMUNICAÇÃO MULTIMÍDIA LT BR
AS20473 The Constant Company, LLC US
AS264409 Huge Solucoes Corporativas Ltda BR
AS6092 Harford Community College US
AS25971 Milwaukee Public Schools US
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV MX
AS36236 NetActuate, Inc US
AS22850 PIT US US
AS16276 OVH SAS FR
AS19754 The Fusion Network, LLC US
AS14041 University Corporation for Atmospheric Research US
AS6208 FiberX PR
AS64126 DOMINICAN TELECOM PRIME, DTP, S.R.L. DO
AS46930 Denver Public Schools US
AS1239 Cogent Communications, LLC US
AS52468 UFINET PANAMA S.A. PA
AS174 Cogent Communications, LLC US
AS199524 G Core Labs S.A. LU
AS19151 BroadbandONE, LLC US
AS401912 Boulder Valley School District BVSD US
AS393393 Amarillo ISD US
AS13786 Seabras 1 USA, LLC US

Upstreams

AS Number Description Country
AS64126 DOMINICAN TELECOM PRIME, DTP, S.R.L. DO
AS58453 China Mobile International Limited HK
AS7195 EDGEUNO S.A.S CO
AS20326 TeraSwitch Networks Inc. US
AS3450 University of Tennessee US
AS6939 Hurricane Electric LLC US
AS14048 The University of Memphis US
AS174 Cogent Communications, LLC US
AS4230 CLARO S.A. BR
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS37468 Angola Cables AO
AS1031 PEER 1031 LLC US
AS14041 University Corporation for Atmospheric Research US
AS6461 Zayo Bandwidth US
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS400305 MSD of Mt. Vernon US
AS46930 Denver Public Schools US
AS46745 Gainesville City Schools US
AS25964 Henry County Board of Education US
AS40252 Cleveland Municipal School District US
AS6092 Harford Community College US
AS25971 Milwaukee Public Schools US
AS401912 Boulder Valley School District BVSD US
AS393393 Amarillo ISD US
AS393273 Education Service Center, Region 17 US

Contacts

Email Contacts

ipeng@zayo.com

Abuse Contacts

abuse@zayo.com

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Frequently Asked Questions

ASN AS11686 is an Autonomous System Number used to identify a network for BGP internet routing.
AS11686 is listed under Zayo Group, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.