AS53535 ARIN Operations

ARIN-PFS-ANYCAST - ARIN Operations · registered in the United States

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in United States#7,947largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#35,583of 79,396 networks with IPv4

IPv63 x /483 prefixes

CountryUnited States18,679 ASNs registered there

Open AS53535 in ASN lookup Look up an IP in this network (199.180.180.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

199.180.180.0/23
199.180.182.0/24
199.253.249.0/24

IPv6 prefixes

All 3 prefixes.

2001:500:f0::/48
2620:37:e000::/48
2620:38:2000::/48

Other ASNs named ARIN Operations

4 other networks use the same organisation name; together with AS53535 they announce 2,560 IPv4 addresses.

ASNNameIPv4 addresses

AS10745ARIN-ASH-CHA - ARIN Operations US768

AS393220ARIN-PFS-SJC - ARIN Operations US256

AS393225ARIN-PFS-IAD - ARIN Operations US256

AS394018ARIN-PFS-SEA - ARIN Operations US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS30013#7944 PIXAR-AS - Pixar1,024

AS36367#7945 AGN-TECH - Alchemy Global Networks, LLC1,024

AS50219#7946 VT-255-50219 - Valence Technology Co.1,024

AS396828#7948 VRSN-AC50-340 - VeriSign Global Registry Services1,024

AS401710#7949 AS-CLOUDMESHLABS - CloudMesh Labs LLC1,024

AS7233#7950 YAHOO-US - Yahoo1,024

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