AS17025 Zayo Bandwidth

ZAYO-CUSTOMER-17025 - Zayo Bandwidth · registered in the United States

IPv4 addresses14,84842 prefixes · <0.001% of announced IPv4

Rank in United States#2,472largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#7,390of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS17025 in ASN lookup Look up an IP in this network (64.124.13.1) All networks in United States

IPv4 prefixes

All 42 prefixes, in address order.

64.124.13.0/24
64.124.47.0/24
64.124.134.0/24
64.124.213.0/24
64.125.169.0/24
64.125.227.0/24
64.125.229.0/24
64.201.237.0/24
66.46.216.0/24
69.147.1.0/24
69.147.3.0/24
69.147.5.0/24
69.147.6.0/24
129.220.4.0/24
149.32.156.0/23
159.18.249.0/24
159.18.250.0/24
164.74.122.0/23
164.74.125.0/24
164.74.129.0/24
198.60.208.0/21
199.104.0.0/21
199.127.37.0/24
204.87.173.0/24
205.209.193.0/24
205.209.195.0/24
205.209.196.0/24
207.235.135.0/24
208.184.24.0/24
208.184.52.0/24
208.184.64.0/24
208.184.136.0/24
208.185.127.0/24
209.133.100.0/24
209.133.102.0/24
209.249.51.0/24
209.249.71.0/24
209.249.103.0/24
212.196.214.0/24
213.152.249.0/24
213.152.253.0/24
216.200.251.0/24

IPv6 prefixes

All 2 prefixes.

2001:438:38::/48
2001:438:8022::/48

Other ASNs named Zayo Bandwidth

13 other networks use the same organisation name; together with AS17025 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

AS13555EAGLE-NET-ALLIANCE - Zayo Bandwidth US8,704

AS33321ZAYO-33321 - Zayo Bandwidth US3,840

AS22969AFS-ATL - Zayo Bandwidth US2,816

AS11359RMCNEVADA - Zayo Bandwidth US2,304

AS6401ZAYO-CAN-6401 - Zayo Bandwidth US1,280

AS19158ZAYOB-19158 - Zayo Bandwidth US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS25961#2469 ALYRICA - Alyrica Networks Inc.14,848

AS11049#2470 DYN - Oracle Corporation14,848

AS400956#2471 OPENMETAL-AS - OpenMetal, Inc.14,848

AS2731#2473 HORIZONTELCOM - Infinity Fiber LLC14,848

AS11402#2474 CCCAS-1 - Charlotte Colocation Center, LLc14,848

AS13994#2475 OMU-1 - Owensboro Municipal Utilities14,848

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