AS11572 PhoenixNAP LLC

SS-ATL - PhoenixNAP LLC · registered in the United States

IPv4 addresses9,98414 prefixes · <0.001% of announced IPv4

Rank in United States#2,962largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#9,117of 79,396 networks with IPv4

IPv6257 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS11572 in ASN lookup Look up an IP in this network (63.214.166.1) All networks in United States

IPv4 prefixes

All 14 prefixes, in address order.

63.214.166.0/23
64.38.249.0/24
64.38.250.0/24
104.244.52.0/24
131.153.24.0/21
131.153.65.0/24
131.153.66.0/23
131.153.82.0/24
131.153.132.0/22
131.153.152.0/23
142.228.4.0/22
142.228.40.0/22
204.217.128.0/22
206.232.0.0/22

IPv6 prefixes

All 2 prefixes.

2607:6003:2305::/48
2607:ff00:500::/40

Other ASNs named PhoenixNAP LLC

7 other networks use the same organisation name; together with AS11572 they announce 22,272 IPv4 addresses.

ASNNameIPv4 addresses

AS12189AS12189 - PhoenixNAP LLC US7,680

AS53605PHOEN-56 - PhoenixNAP LLC US1,536

AS46385PNAP-SE3 - PhoenixNAP LLC US768

AS394643AS-PHOENIXNAP-AUS1 - PhoenixNAP LLC US768

AS152879PHOENIXNAP-AS-TPE0 - PhoenixNAP LLC US512

AS397378PHOENIXNAP-BRA - PhoenixNAP LLC US512

AS400672AS-PHOENIXNAP-LA0 - PhoenixNAP LLC US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS394740#2959 CONSOLIDATED-ELECTRIC-COOPERATIVE - Consolidated Cooperative9,984

AS395719#2960 EMERALD - Emerald Broadband, LLC9,984

AS397913#2961 ESU-AS - East Stroudsburg University of Pennsylvania9,984

AS1610#2963 CONTE-25-ASN - Contegix9,984

AS30133#2964 ISC-F-AS - Internet Systems Consortium, Inc.9,984

AS16766#2965 ISLAND-TECHNOLOGY-INC - Island Technology, Inc.9,984

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