AS6401 Zayo Bandwidth

ZAYO-CAN-6401 - Zayo Bandwidth · registered in the United States

IPv4 addresses1,2805 prefixes · <0.001% of announced IPv4

Rank in United States#7,383largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#28,341of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS6401 in ASN lookup Look up an IP in this network (74.216.108.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

74.216.108.0/24
159.18.19.0/24
206.191.123.0/24
209.82.116.0/24
216.13.138.0/24

Other ASNs named Zayo Bandwidth

13 other networks use the same organisation name; together with AS6401 they announce 2,533,120 IPv4 addresses.

ASNNameIPv4 addresses

AS6461ZAYO-6461 - Zayo Bandwidth US1,596,672

AS11686ZAYO-ENA-11686 - Zayo Bandwidth US734,720

AS19092360NETWORKS-US - Zayo Bandwidth US69,376

AS32703IFN-NET - Zayo Bandwidth US34,560

AS4997AFS-WEST - Zayo Bandwidth US22,784

AS15290ZAYO-CAN-15290 - Zayo Bandwidth US20,736

AS16503ZAYO-16503 - Zayo Bandwidth US20,224

AS17025ZAYO-CUSTOMER-17025 - Zayo Bandwidth US14,848

AS13555EAGLE-NET-ALLIANCE - Zayo Bandwidth US8,704

AS33321ZAYO-33321 - Zayo Bandwidth US3,840

AS22969AFS-ATL - Zayo Bandwidth US2,816

AS11359RMCNEVADA - Zayo Bandwidth US2,304

AS19158ZAYOB-19158 - Zayo Bandwidth US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS5008#7380 TW-ASN-01 - Boldyn Networks Transit US LLC1,280

AS5877#7381 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)1,280

AS6269#7382 ATT-INTERNET2 - AT&T Enterprises, LLC1,280

AS6450#7384 PIXNET-AS - Providers Internet Exchange1,280

AS6534#7385 OCEANIC-CABLE - Charter Communications Inc1,280

AS7045#7386 WEATHER - THE WEATHER CHANNEL, LLC1,280

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources