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Data as of Nov 9, 2026

193.28.104.0/23

No anonymizer space · no proxy exits in 30 days

Zayo Bandwidth · space held by Zayo Group UK Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS6461
Type
Internet provider
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
193.28.104.0/23512UK-ABOVENET-20191007Zayo Group UK Limited (ORG-AUL1-RIPE) · GBALLOCATED PAOct 7, 2019zayoabuse@zayo.com
└ 193.28.104.0/298Net-Deutsche-Glasfaser-Wholesale-GmbHIDIA/391402/001/ZYOASSIGNED PAMar 29, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.8/298Net-CrowdStrike-GmbHIPYX/392628/002/ZYOASSIGNED PAMar 26, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.16/304Net-NYT-FranceIDIA/382790//ZYOASSIGNED PAJan 31, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.20/312Net-Stripe-Payments-Europe-LtdIDIA/391615//ZYOASSIGNED PAMar 13, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.22/312Net-Deutsche-Glasfaser-Wholesale-GmbHIDIA/391402/901/ZYOASSIGNED PAJul 12, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.24/312Net-JustWatch-GmbHunknownASSIGNED PANov 15, 2022zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.32/298Net-CrowdStrike-GmbHIPYX/392628/001/ZYOASSIGNED PAMar 26, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.40/298Net-Deutsche-Glasfaser-Wholesale-GmbHIDIA/391402/003/ZYOASSIGNED PAMar 28, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.48/298Net-Deutsche-Glasfaser-Wholesale-GmbHIDIA/391402/004/ZYOASSIGNED PAMar 28, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.56/298Net-GlobalTeleHost-Corp---USIDIA/389396//ZYOASSIGNED PAApr 24, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.64/298Net-Wilmer-Cutler-Pickering-Hale-and-Dorr-LLPIDIA/385059//ZYOASSIGNED PAFeb 19, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.72/298Net-Cardinal-Health-IncIDIA/370793//ZYOASSIGNED PAJan 27, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.80/298Net-Tiebreak-Solutions-LimitedIDIA/373290//ZYOASSIGNED PAMar 20, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.88/298Net-Comfone-AGIPYX/379727//ZYOASSIGNED PAJul 26, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.96/298Net-Varex-Imaging-CorporationIDIA/373510//ZYOASSIGNED PAJul 27, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.104/304Net-Akamai-Technologies-IncIDIA/380995//ZYOASSIGNED PASep 13, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.108/312Net-Cisco-Solutions-GmbHIDIA/383897//ZYOASSIGNED PAOct 31, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.110/312Net-Telegraph42-Management-GmbHIDIA/385957//ZYOASSIGNED PANov 28, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.112/298Net-Blue-Yonder-GmbHIDIA/382735//ZYOASSIGNED PAOct 12, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.120/298Net-Gort-Lux-SCSp-IVIDIA/377732//ZYOASSIGNED PAOct 27, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.128/304Net-Interkvm-Host-SRLIDIA/384296//ZYOASSIGNED PANov 15, 2023zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.136/298Net-Wilmer-Cutler-Pickering-Hale-and-Dorr-LLPIDIA/384976//ZYOASSIGNED PAMar 7, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.144/304Net-Open-Text-Software-GmbHIDIA/392227//ZYOASSIGNED PAApr 24, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.148/304Net-Aquablue-CorpIDIA/389889//ZYOASSIGNED PAApr 30, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.152/298Net-Yondr-Germany-GmbHIDIA/394713/001/ZYOASSIGNED PAMay 1, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.160/298Net-Yondr-Germany-GmbHIDIA/394713/002/ZYOASSIGNED PAMay 1, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.168/298Net-Eurovision-Services-SAIDIA/395728//ZYOASSIGNED PAMay 29, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.176/304Net-Vercara-LLCIDIA/398802//ZYOASSIGNED PAJul 11, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.180/312Net-Seagate-Technology-LLC---IP-TransitIPYX/303867/019/ZYOASSIGNED PAOct 1, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.182/312Net-Deutsche-Bank-AGIDIA/408400//ZYOASSIGNED PANov 20, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.200/298Net-Intuitive-Surgical-Deutschland-GmbHIPYX/245950/002/ZYOASSIGNED PASep 17, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.208/298Net-China-Telecom-Europe-LimitedIDIA/405588//ZYOASSIGNED PAOct 9, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.232/312Net-EWW-AGIDIA/420926/002/ZYOASSIGNED PAJul 10, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.104.238/312Net-Hosting-Services-IncIDIA/421658/004/ZYOASSIGNED PAAug 26, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.8/298Net-Yondr-Germany-GmbHIDIA/401294/001/ZYOASSIGNED PANov 27, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.64/312Net-Macarne-LLCIDIA/405624//ZYOASSIGNED PANov 29, 2024zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.66/312Net-Interxion-Nederland-BVIDIA/410718//ZYOASSIGNED PAJan 7, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.68/312Net-Telegraph42-Management-GmbHIDIA/410848//ZYOASSIGNED PAJan 14, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.70/312Net-Microsoft-Deutschland-MCIO-GmbHIDIA/411259//ZYOASSIGNED PAMar 3, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.72/298Net-Zenium-Germany-GmbHIDIA/404858//ZYOASSIGNED PAJan 27, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.80/298Net-Cisco-Solutions-GmbHIDIA/416744/001/ZYOASSIGNED PAMay 8, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.88/298Net-Cisco-Solutions-GmbHIDIA/416744/002/ZYOASSIGNED PAMay 8, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.96/304Net-Booz-Allen-Hamilton-IncIDIA/422523//ZYOASSIGNED PAAug 21, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.104/298Net-Cisco-Solutions-GmbHIDIA/416744/001/ZYOASSIGNED PAMay 29, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.112/298Net-Cisco-Solutions-GmbHIDIA/416744/002/ZYOASSIGNED PAMay 29, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.120/304Net-NVIDIA-ARC-GmbHIDIA/417304//ZYOASSIGNED PAJun 20, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.124/312Net-Options-ITIDIA/416979//ZYOASSIGNED PAJul 9, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.126/312Net-EWW-AGIDIA/420926/001/ZYOASSIGNED PAJul 10, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.136/304Net-Allstream-Business-US-LLCIDIA/420492//ZYOASSIGNED PASep 10, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.142/312Net-Fiedler-Alexander-WolfgangIDIA/424357//ZYOASSIGNED PAOct 8, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.144/2816Net-Distributed-Global-Technologies-LLCIDIA/422801//ZYOASSIGNED PAAug 28, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.184/312Net-Wells-Fargo-Bank-NAIDIA/424699//ZYOASSIGNED PAOct 31, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.186/312Net-Blue-Yonder-GmbHIDIA/427289//ZYOASSIGNED PANov 18, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.188/304Net-Allstream-Business-US-LLCIDIA/425532//ZYOASSIGNED PANov 17, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.192/298Net-Netia-SAIDIA/426655//ZYOASSIGNED PANov 11, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.200/298Net-Allstream-Business-US-LLCIDIA/425532//ZYOASSIGNED PANov 17, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.208/298Net-Aristo-Networks-LtdIDIA/425215/002/ZYOASSIGNED PANov 18, 2025zayoabuse@zayo.com
via UK-ABOVENET-20191007
└ 193.28.105.220/312Net-Hawe-Telekom-SA-w-restrukturyzacjiIDIA/428571//ZYOASSIGNED PAJan 7, 2026zayoabuse@zayo.com
via UK-ABOVENET-20191007

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS6461

US
Name
Zayo Bandwidth
Type
Internet provider
Registered
Apr 22, 1996
Domain
zayo.com
Website
www.zayo.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed